A heat exchanger for use in an outdoor environment with a heat pump system is provided. The heat exchanger includes a first set of tubes arranged in a parallel flow manner between a first manifold and a second manifold, wherein central straight portions of adjacent tubes are disposed with a space therebetween along each tube of the first set of tube between the first and second manifolds. A second set of tubes are arranged in a parallel flow manner between a third manifold and a fourth manifold, wherein central straight portions of adjacent tubes within the second set of tubes are at least partially disposed within the space between adjacent tubes of the first set of tubes. A fluid that flows through the first set of tubes additionally flows through the second set of tubes before the fluid returns to again flow through the first set of tubes.
F28D 1/00 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo
The present invention relates to a filter medium comprising an antimicrobial compound, a method for producing the filter medium, the filter element, a filter system as well as the use of the filter medium for the filtration of water in the combustion chamber of an internal combustion engine.
A humidifying device (1) for a fuel cell comprises a plurality of flat membrane components (2k) through which moisture can pass and which are stacked, and a spacer (3), which is provided between two adjacent flat membrane components (2k, 2k + 1) and thus forms a flow channel for a fluid. The spacer (3) has on one side abutting parts (31) which abut one of the two flat membrane parts (2k, 2k + 1), on the other side abutting parts (32) which abut another of the two flat membrane parts, and through bores (33) which, in the stacking direction (Z direction) of the plurality of flat membrane components (2k), connect spaces (A1, A2) on both sides of the spacer (3).
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
The present invention relates to a system (1) which has at least one component package (2) each with at least one electronic component (3), in particular a semiconductor component (4). The respective component (3) has a first outer surface (6) and a second outer surface (7) facing away from the first outer surface (6). Improved cooling efficiency and simplified manufacture are achieved by providing for at least one of the outer surfaces (6, 7) of the components (3) a cooler (11), wherein a flow path (12) in the cooler (11) substantially locally extends over the associated outer surface (6, 7). The invention further relates to an electric application (100) comprising such a system (1).
H01L 23/373 - Cooling facilitated by selection of materials for the device
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
5.
ELECTRIC COMPRESSOR HAVING A COMPRESSION DEVICE WITH A FIXED SCROLL HAVING A MODIFIED SCROLL FLOOR AND A FIXED SCROLL HAVING A MODIFIED SCROLL FLOOR
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll-type compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume.
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
F04C 18/00 - Rotary-piston pumps specially adapted for elastic fluids
F04C 29/12 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll-type compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume.
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll-type compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume.
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll-type compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume.
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
F04C 18/00 - Rotary-piston pumps specially adapted for elastic fluids
F04C 29/12 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
The present invention relates to a battery device (1) comprising individual battery cells (2, 3), in particular pouch cells, which are connected together in an electrically conductive manner and have electrically conductive contact lugs (4, 5) for producing the electrical contact. It is essential to the invention that at least one such contact lug (4, 5) is placed in a multilayer fold (6) made of contiguous individual layers (7, 8) which are arranged flat on top of one another and are integrally connected, by welding, to one another and to an electrically conductive connector (9) of the battery device (1). The invention also relates to a vehicle component comprising at least one such battery device (1).
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/507 - Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
H01M 50/528 - Fixed electrical connections, i.e. not intended for disconnection
The invention relates to a battery cell module (1) comprising a cell stack (4) of battery cells (5) and a housing (2) through which coolant fluid can flow. The battery cell module (1) has a conductor group (7) for each cell stack (4), having a conductor (8) and a flexible contact element (10). The contact element (10) has a temperature sensor (11) around which coolant fluid can flow.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/249 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/502 - Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
11.
STATOR FOR AN ELECTRIC MACHINE, AND ELECTRIC MACHINE
The invention relates to a stator (1) for an electric machine. The stator (1) comprises a housing (2), which surrounds a housing interior space (3), and multiple stator laminations (4), which are arranged in the housing interior space (3), are stacked one on top of the other in an axial direction (A) and together form a laminated core (5). The laminated core (5) is radially spaced from the housing (2) such that a fluid path (7) through which a cooling medium (K) can flow for the purposes of cooling the stator (1) is formed by an intermediate space (6) that is formed between the housing (2) and the laminated core (5). The stator (1) furthermore comprises a rib structure (9) for diverting the cooling medium (K) as it flows through the fluid path (7), said rib structure being arranged on an outer circumference (11), which radially inwardly delimits the fluid path (7), of the laminated core (5). Here, the rib structure (9) comprises a plurality of ribs (10) which protrude radially outwardly from the laminated core (5) and project into the fluid path (7).
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll- type compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume.
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scrolltype compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume.
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
F04C 18/00 - Rotary-piston pumps specially adapted for elastic fluids
F04C 29/12 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
The invention relates to a rechargeable battery arrangement (1) comprising a housing (3), in which at least two energy storage cells (5) held by way of a cell carrier (4) are arranged. The features provided according to the invention are – that a dielectric coolant (6) for cooling the energy storage cells (5) is able to flow through the housing (3) at least in part, – that each energy storage cell (5) has at least one cell contact lug (7) projecting through the cell carrier (4), – that at least two cell contact lugs (7) are electrically conductively connected to one another via a cell connector (8), – that the cell connector (8) bears on the cell carrier (4) in a bearing region (9), – that the cell carrier (4) has in the bearing region (9) at least one groovelike channel (10) covered by the cell connector (8), with the result that dielectric coolant (6) is able to flow behind the cell connector (8) there and cool it.
H01M 10/6566 - Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/249 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/502 - Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
The present invention relates to a battery (1), in particular a traction battery (2), having a housing (4) and battery cells (5) which are arranged in the housing (4) and are arranged in a flow path (3) of a cooling fluid passing through the housing (4). An increased power density of the battery (1) is achieved by virtue of the fact that a heat sink (8) which is arranged between two successive battery cells (5) and has a protruding section (10) delimits, with an end face (6) of at least one of the associated battery cells (5), a cavity (11) through which the flow path (3) passes. The invention also relates to a motor vehicle (100) comprising such a battery (1).
H01M 10/60 - Heating or cooling; Temperature control
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
The present invention relates to an inductive charging device (1) for a vehicle charging system (8), having an energy transmission winding (4) and at least one flux guiding element (5). An inductive charging device of the invention includes a near-positioning transmission unit (NAH-POS) suitable to generate at least one near-positioning signal (NAH-SIG) as well as a far-positioning transmission unit (FERN-POS) suitable to generate at least one far-positioning signal (FERN-SIG). The invention further relates to a method for positioning a vehicle (2).
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
17.
CHARGING SYSTEM COMPRISING INDUCTION CHARGING DEVICES
The present invention relates to a charging system (1) comprising stationary induction charging devices (2), which are spaced apart from each other, for wireless power transfer. Increased efficiency of the charging system (1) with increased convenience is achieved by way of the respective induction charging device (2) having a positioning device (4) for positioning a mobile induction charging device (101) for the stationary induction charging device (2) and the stationary induction charging devices (2) being divided into groups (6), wherein the positioning devices (4) of the respective group (6) are activated when a motor vehicle (100) approaches the group (6). The invention also relates to a car park system (300) comprising a car park (200) and such a charging system (1).
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
B60L 53/67 - Controlling two or more charging stations
G05D 1/02 - Control of position or course in two dimensions
G05D 1/03 - Control of position or course in two dimensions using near-field transmission systems, e.g. inductive-loop type
H04B 5/00 - Near-field transmission systems, e.g. inductive loop type
B60L 53/30 - Constructional details of charging stations
B60L 53/39 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
B60L 53/66 - Data transfer between charging stations and vehicles
B60L 53/68 - Off-site monitoring or control, e.g. remote control
G08G 1/14 - Traffic control systems for road vehicles indicating individual free spaces in parking areas
The present invention relates to a sensor system (25) for a vehicle (2) having a mobile inductive charging device (1a), which can be fastened to and/or in the vehicle (2) via an interface. The sensor system (25) has a primary sensor unit (18prim) and a secondary sensor unit (18sek). The sensor system (25) is suitable for positioning the vehicle (2) in a defined position in relation to a stationary inductive charging device (1b). The primary sensor unit (18prim) and the secondary sensor unit (18sek) are arranged spaced apart from each other and the primary sensor unit (18prim) is mechanically connected to the mobile inductive charging device (1a) and/or integrated in it.
B60L 53/35 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
B60L 53/39 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
19.
INDUCTIVE CHARGING DEVICE FOR A VEHICLE CHARGING SYSTEM
The invention relates to an inductive charging device (1, 1a) for a vehicle charging system (8), comprising an energy transmission winding and at least one flux-guiding element and at least one first sensor winding and a second sensor winding. The flux-guiding element is suitable for guiding a magnetic field during an energy transmission process taking place between another inductive charging device (1, 1b) and the energy transmission winding. The first sensor winding and the second sensor winding are arranged around at least one of the at least one flux-guiding elements. The first sensor winding has a first radial longitudinal direction and the second sensor winding has a second radial longitudinal direction. The first radial longitudinal direction is at least approximately perpendicular to the vehicle longitudinal direction or to the target vehicle longitudinal direction and the second radial longitudinal direction is at least approximately arranged in the vehicle longitudinal direction (6) or in the target vehicle longitudinal direction.
B60L 53/122 - Circuits or methods for driving the primary coil, i.e. supplying electric power to the coil
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
B60L 53/39 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
20.
INDUCTIVE CHARGING DEVICE FOR A VEHICLE CHARGING SYSTEM
Disclosed is an inductive charging device (1) for a vehicle charging system (8), comprising an energy transmission winding (4), at least one energy transmission flux guiding element (5energ) and at least one positioning signal coil (41), wherein: - the energy transmission flux guiding element (5energ) is suitable to guide a magnetic field during an energy transmission process between another inducting charging device (1) and the energy transmission coil (4); - the positioning signal coil (41) includes a positioning signal winding (42) and at least one positioning flux guiding element (5pos); - the positioning flux guiding element (5pos) is suitable to guide a magnetic field during a positioning process; - the at least one energy transmission flux guiding element (5energ) is separate from the at least one positioning flux guiding element (5pos); and - the positioning signal winding (42) is suitable to generate a positioning signal (40) during a positioning process.
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
B60L 53/35 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
The present invention relates to a system (1) for inductive energy transfer, which system has at least one stationary induction charging device (2, 2a) and at least one mobile induction charging device (2, 2b), which induction charging devices interact during a charging operation for inductive energy transfer. A positioning device (4) generates, in one of the induction charging devices (2, 2a), at least two transmission signals (5, 5a, 5b) with different frequencies, which are received at the other induction charging device (2, 2b) as a superimposed reception signal. The positioning device (4) determines an associated amplitude from the reception signal for the respectively received transmission signal (5, 5a, 5b). This leads to simplified determination of the relative position with reduced complexity of hardware and reduced costs, The invention also relates to a computer program product for determining the amplitudes.
B60L 53/122 - Circuits or methods for driving the primary coil, i.e. supplying electric power to the coil
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
B60L 53/39 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
G01D 5/20 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
H04B 5/00 - Near-field transmission systems, e.g. inductive loop type
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
22.
METHOD FOR OPERATING A SYSTEM COMPRISING A CAR PARK AND AT LEAST ONE MOTOR VEHICLE
The present invention relates to a method for operating a system (1) comprising a car park (10) and at least one motor vehicle (100), wherein the car park (10) has parking spaces (11) which each have a stationary induction charging device (12). The respective stationary induction charging device (12) generates, for orienting the respective motor vehicle (100), an orientation field (18) which is oriented parallel to a parking direction (P) of the associated parking space (11), wherein at least two adjacent stationary induction charging devices (12) generate orientation fields (18) with different frequencies. The invention also relates to such a system (1).
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
B60L 53/67 - Controlling two or more charging stations
The invention relates to an inductive charging device (1) for a vehicle charging system (8) comprising an energy transmission winding (4) and at least one flux-guiding element (5). An inductive charging device according to the invention has a close-range positioning transmitter (NAH-POS) which is suitable for generating at least one close-range positioning signal (NAH-SIG), and a remote-positioning transmitter (FERN-POS) which is suitable for generating at least one remote-positioning signal (FERN-SIG).
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
The invention relates to a method for positioning a vehicle (2) having a mobile inductive charging device (1a) in a defined position in relation to a stationary inductive charging device (1b). A positioning signal is generated in one of the two inductive charging devices (1a, 1b). The positioning signal induces at least one voltage signal (13a, 13b) in the other of the two inductive charging devices (1a, 1b). A relative distance between the mobile inductive charging device (1a) and the stationary inductive charging device (1b) is approximated from the induced voltage signal (13a, 13b).
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
B60L 53/35 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
The invention relates to an elliptical ring groove piston, wherein the piston comprises a piston head and a skirt portion, an inner cooling gallery for cooling the piston is provided inside the piston head, and the inner cooling gallery is provided with an oil inlet for a cooling medium to enter and an oil outlet for the cooling medium to flow out after heat exchange; and ring lands and ring grooves arc provided on the outer side of the piston head, and the piston is provided with a first ring groove adjacent to the top of the piston. It is essential in that, on a section of the first ring groove, the profile of a bottom diameter of the first ring groove is elliptical, and the direction of the major axis of the ellipse generally coincides with a connecting line which connects a center line of the oil outlet of the inner cooling gallery and an axis of the piston.
The invention relates to a pump device (1) for conveying cooling fluid W. The pump device (1) comprises a housing (2) in which a fluid channel (3), through which the cooling fluid W to be conveyed can flow, is arranged, and a drive unit (4) for driving the cooling fluid W guided through the fluid channel (3). Furthermore, the pump device (1) comprises an electric sensor unit (5) that comprises at least one sensor (6), more particularly a temperature sensor for determining at least one measurement variable that characterises the cooling fluid. The sensor unit (5) can be arranged at least partially in the fluid channel (3). The sensor (6) can be arranged as a temperature sensor outside the fluid channel (3) and be coupled thereto in a heat-conducting manner.
The invention relates to a fuel cell system with a humidifier (15) through which the supply air path (3) and the exhaust air path (4) are guided. According to the invention, the fuel cell system comprises an additional moisture return (5). To this end, the exhaust air path (4) communicates fluidically with the supply air path (3) by means of the additional moisture return (5) such that moisture (F) or water (W) can be transported out of the exhaust air (AL) into the supply air (ZL). For this purpose, the additional moisture return (5) has at least one water separator (6), which is arranged in the exhaust air path (4), for separating water (W) from the moist exhaust air (AL), a collector (7) for temporarily storing the separated moisture (F), and a water injector (8) for introducing the separated or/and temporarily stored moisture (F) into the supply air path (3). The water injector (8) comprises a prefilmer lip arranged in the supply air path (3) for atomizing the moisture (F) introduced into the dry supply air (ZL).
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
The invention relates to a fuel cell system (1) comprising an expansion machine (2) with a high-pressure side (3a) and a low-pressure side (3b) for performing mechanical work, and comprising multiple fuel cells (4) stacked on top of one another, which communicate fluidically with the high-pressure side of the expansion machine (2) via a gas path (5), such that, during operation of the fuel cell system (1), exhaust gas discharged from the fuel cells (4) into the gas path (5) and containing water drives the expansion machine (2). The fuel cell system (1) comprises a water separator (6) arranged in the gas path (5) for separating water from the exhaust gas, and a valve unit (7) arranged between the water separator (6) and the high-pressure side (3a) of the expansion machine (2) for adjusting an amount of exhaust gas to be supplied to the expansion machine (2). The fuel cell system (1) also comprises a bypass gas path (8) through which the exhaust gas can flow, which branches off from the gas path (5) between the fuel cells (4) and the water separator (6) and fluidically communicates with the low-pressure side (3b) of the expansion machine (2), such that exhaust gas can bypass the expansion machine (2) via the bypass gas path (8). In addition, a bypass valve unit (9) is arranged in the bypass gas path (8) for adjusting the amount of exhaust gas flowing through the bypass gas path (8).
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
H01M 8/04111 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
H01M 8/04225 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during start-up
29.
EXHAUST COMPONENT, COMPRESSOR INCLUDING THE SAME, AND AIR CONDITIONING SYSTEM
The present invention relates to an exhaust component for a compressor, the compressor being provided with an exhaust port, wherein the exhaust component comprises: an exhaust valve body, the exhaust valve body being arranged at the exhaust port, and the exhaust valve body being provided with an exhaust hole; a guiding structure, the guiding structure being mounted in the exhaust valve body; and an exhaust valve sheet, the exhaust valve sheet being sleeved onto the guiding structure and moving in the exhaust valve body without being driven by an elastic force, so that when the compressor runs for exhausting, the exhaust valve sheet moves along the guiding structure to cause the exhaust port to be in communication with the exhaust hole; and when the compressor stops, the exhaust valve sheet moves towards the exhaust port side to cut off a flow path between the exhaust port and the exhaust hole.
F04B 39/10 - Adaptation or arrangement of distribution members
F04C 28/06 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
F04C 29/12 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
The present invention relates to a charging device (1) for an electric motor vehicle (2), having a charging station (4) which has a communication circuit arrangement (5) which has an electrical line path (6) in which an electrical oscillator (9) for generating a pulse-width-modulated electrical communication signal (10) is arranged, and having a charging cable device (11), which has a connection cable (12) and a connection plug (16), for electrically communicatively connecting the charging station (4) to the electric motor vehicle (2). The charging cable (12) has an electrical cable line path (13) which is electrically communicatively connected to the line path (6), wherein the connection plug (16) arranged on the connection cable (12) has an electrical plug line path (19) which is electrically communicatively connected to the cable line path (13). It is essential that the charging device (1) has an electrical resistance component (23) which is electrically communicatively integrated into the plug line path (19) remotely from the connection cable (12).
The invention relates to an electric rotary transformer (1) for inductive energy transmission. According to the invention, the rotary transformer (1) comprises a rotary transformer stator (3) comprising a primary coil (2) and a rotary transformer rotor (6) designed to be rotatable with respect to the rotary transformer stator (3) about a rotational axis (D) extending along an axial direction (A) relative to the rotary transformer stator (3) and having a secondary coil (5), wherein the secondary coil (5) can be or is inductively coupled to the primary coil (2). The rotary transformer (1) also comprises a transformer core (4) made from a magnetic material and which is arranged stationary relative to the primary coil (2) and which at least partially surrounds the primary coil (2) and the secondary coil (5). The primary coil (2) has an electrically energisable primary coil winding (7), and the secondary coil (5) has an electrically energisable secondary coil winding (8). Furthermore, the primary coil winding (7) and the secondary coil winding (8) are arranged side by side along the axial direction (A) or perpendicular to the axial direction (A) and each comprises an electrically conductive stranded wire (9, 10) or at least one electrically conductive winding wire.
The present invention relates to a transmission oil cooler (1), in particular for a transmission (2) of a motor vehicle (3), in particular of an electric vehicle, - comprising a housing (4) that has a housing upper part (5) and a housing lower part (6) and in or on which a heat exchanger (7) is arranged, - wherein the housing lower part (6) is designed to also function as a transmission housing cover (8) for a transmission housing (9) that can be connected thereto. As a result, the number of interfaces and the complexity of assembly can be reduced.
The invention relates to a rotor (1) for an externally excited electric synchronous machine (2), in particular for a traction motor of a vehicle, comprising - a rotor shaft (3) which extends along an axial direction, and - a winding support (4) which is rotationally fixed to the rotor shaft (3) and which has at least two, preferably four a more, electrically energizable rotor windings (5) in order to generate a magnetic rotor field, wherein - the winding support (4) is made of a laminated core with a plurality of sheet-metal parts which are stacked one over the other along the axial direction and which are made of a ferromagnetic material, and - the winding support (4) is designed to be closed on the outer circumference of the winding support so as to bridge the rotor windings (5). In this manner a closed rotor structure is achieved which allows high rotational speeds.
The invention relates to a bipolar element (1) for a fuel cell (10). The bipolar element (1) comprises a metal film (3) functioning as a bipolar plate (2). A fibre structure (6) comprising metal fibres (5) is arranged on an upper side or/and on an underside of the film (3). The fibre structure (6) preferably consists of the fibres (5). According to the invention, the fibres (5) of the fibre structure (6) are integrally bonded to the film (3) by means of a solder connection (8). The solder connection (8) generates a highly electrically conductive transition between the film and the fibres of the fibre structure. In this manner, the fibre structure (6) or microfibre structure can, in turn, function as a gas diffusion layer. According to the invention, the fibres (5) of the fibre structure (6) have a fibre diameter of at most 10 µm.
The present invention relates to an air-conditioning module (2) for a helmet (1), in particular a motorbike helmet, comprising at least one heat pump assembly (8) and at least one first fan (12) and at least one second fan (13). The heat pump assembly (8) has a first heat pump side (9) and a second heat pump side (10). The heat pump assembly (8) is suitable for pumping heat from the first heat pump side (9) to the second heat pump side (10) and/or from the second heat pump side (10) to the first heat pump side (9). The air-conditioning module (2) has fastening means for arrangement in or on the upper region of the helmet (1). The first fan (12) and/or the second fan (13) are air-guidingly connected to the ambient air (17). During operation, the first fan (12) directs air past the first heat pump side (9) and into the helmet (1). During operation, the second fan (13) directs air (4) out of the helmet interior and past the second heat pump side (10).
The invention relates to a stationary inductive charging device (1), comprising a coil (2) for generating an alternating electromagnetic field, power electronics (3) for supplying power to the coil (2) and for energising the coil (2), and a cooling plate (8) which is connected in a heat-transferring manner to components (7) of the power electronics (3) and to the coil (2). Efficient cooling of the power electronics (3) and the coil (2) results from a cooling device (14) which has a cooling duct system (15) having a plurality of cooling ducts (17) running in the cooling plate (8) and carrying a coolant, and a conveying device (16) driving the coolant in the cooling duct system (15). Efficient heat dissipation from the cooling plate (8) or from the coolant results from a ventilation device (21) that has an air duct system (22) comprising at least one air-carrying air duct (24) connected to the cooling plate (8) in a heat-transferring manner, at least one fan (23) for driving the air in the air duct system (22), at least one air inlet (26) communicating with the surroundings (25) of the inductive charging device (1) and at least one air outlet (27) communicating with the surroundings (25).
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
The invention relates to an induction charging device (1) comprising a charging arrangement (2) having at least one electric component (3, 3a, 3b) and comprising at least one housing (4) having a housing cover (5) and a housing base (6). The housing cover (5) and the housing base (6) are attached to one another and the charging arrangement (2) is accommodated in an interior space (8) formed by the two parts. The housing base (6) is made of a heat-conductive material and the component (3, 3a, 3b) of the charging arrangement (2) is at least partly connected to the housing base (6) so as to transfer heat.
The present invention relates to a stationary inductive charging device (1), - having a coil (2) and a power electronics (3) for energy supply and for driving the coil (2), - having a refrigerant plate (4) which is connected at its plate upper side (5) to components (6) of the power electronics (3) and to the coil (2) in a heat-transferring manner, - having a refrigerant device (14) which has a refrigerant duct system (15) running in the refrigerant plate (4) with a plurality of refrigerant ducts (17) carrying a refrigerant, and a compressor (16) driving the refrigerant in the refrigerant duct system (15) as well as a condenser (18), an evaporator (50) and an expansion valve (19), - having a ventilation device (20) which has an air duct system (21) comprising at least one air-carrying air duct (23) connected to the plate upper side (5) in a heat-transferring manner, at least one fan (22) for driving the air in the air duct system (21), at least one air inlet (25) communicating with the surroundings (24) of the inductive charging device (1) and at least one air outlet (26) communicating with the surroundings (24).
The present invention relates to an induction charging unit (1) for an energy transmission system, comprising a cooling device (3) which defines a component-mounting area (2) and is designed for dissipating thermal energy, comprising at least one electrical power component (4) and comprising a clamping device (5). It is important for the at least one electrical power component (4) to be clamped onto the component-mounting area (2) of the cooling device (3) using the clamping device (5). The invention also relates, in particular, to an energy transmission system for inductively charging a battery-electric vehicle with electrical energy, the energy transmission system having such an induction charging unit (1).
The present invention relates to a system (1) for inductive energy transfer, in particular to a mobile application (100), which system comprises: a stationary induction charging device (2, 2a) having a stationary energy coil (3, 3a); and a mobile induction charging device (2, 2b) having a mobile energy coil (3, 3b). Precise and reliable determination of the relative position of the energy coils (3) in relation to one another is achieved by means of a positioning device (4) which has, in one of the induction charging devices (2), at least four transmission coils (5) and, in the other induction charging device (2), at least one receiver (6), wherein the transmission coils (5) generate mutually distinguishable positioning fields (60) which interact with the at least one receiver (6), wherein the ratio between the positioning fields (60) is used to determine whether the energy coils (3) overlap one another. The invention also relates to an induction charging device (2) of this kind and to a mobile application (100), in particular a motor vehicle (101), having a mobile induction charging device (2, 2b) of this kind.
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
The invention relates to a ring filter element (6), comprising - an upper end plate (7), - a lower end plate (8), and filter material (9) interposed between the upper end plate (7) and the lower end plate (8). According to the invention, a drying device (11) comprising a drying agent (12) is provided on the ring filter element (6). The invention further relates to a filter device (1) comprising a ring filter element (6) of the above type and comprising a drying device (11) with a drying agent (12) arranged in the region of the filter housing (3).
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 36/00 - Filter circuits or combinations of filters with other separating devices
B01D 37/02 - Precoating the filtering elements or material; Addition of filter aids to the liquid being filtered
The invention relates to a stationary inductive charging device (1) for an inductive vehicle charging system for charging a battery of a battery-powered electric vehicle, comprising at least one coil (2) for generating an electromagnetic alternating field, power electronics (3) for supplying power to the coil (2) and for driving the coil (2), a cooling plate (4) which is connected at its plate upper side (5) to components (6) of the power electronics (3) and to the coil (2) in a heat-transferring manner, and a cooling device (14) which has a cooling duct system (15) running in the cooling plate (4) and having cooling ducts (17) carrying a coolant, and a conveying device (16) driving the coolant in the cooling duct system (15). In order to improve heat dissipation, a ventilation device (20) is proposed that comprises an air duct system (21) having at least one air-carrying air duct (23) connected to the plate upper side (5) in a heat-transferring manner, at least one fan (22) for driving the air in the air duct system (21), at least one air inlet (25) communicating with the environment (24) of the inductive charging device (1) and at least one air outlet (26) communicating with the environment (24).
INDUCTION CHARGING APPARATUS, VEHICLE INDUCTION CHARGING APPARATUS, ENERGY TRANSMITTER APPARATUS, COMBINATION OF AN ENERGY TRANSMITTER APPARATUS AND A BATTERY ELECTRIC VEHICLE, AND METHOD FOR BRINGING A BATTERY ELECTRIC VEHICLE EQUIPPED WITH A VEHICLE INDUCTION CHARGING APPARATUS TO AN INDUCTION CHARGING APPARATUS
The present invention relates to a mobile or stationary induction charging apparatus (1) for a charging station (2) designed for charging a battery electric vehicle (100) with electrical energy, comprising a transmission device (12) consisting of at least one electrical transmission coil (20) which is separate from an energy coil (11) of the induction charging apparatus (1) and provides an electromagnetic or magnetic field designated as a guide path marker field. A guide, in particular a guide path (22), for the vehicle induction charging apparatus (101) is marked on the basis of the at least one guide path marker field, on the basis of which guide the vehicle induction charging apparatus (101) and/or the vehicle (100) can be guided to the energy coil (11). The invention relates in particular to a vehicle induction charging apparatus (101), also in particular to an energy transmitter apparatus, also in particular to a combination of an energy transmitter apparatus and a battery electric vehicle (100), and also in particular to a method for bringing a battery electric vehicle (100) equipped with a vehicle induction charging apparatus (101) to an induction charging apparatus (1).
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
The invention relates to an induction charging device (1), in particular a stationary and/or inductive induction charging device, for an inductive vehicle-charging system for charging a battery of a battery-powered vehicle. The induction charging device (1) comprises at least one coil (2) for generating an alternating electromagnetic field, said coil extending in a plane running perpendicularly to the vertical direction (H) of the induction charging device (1) and being formed by electrical conductors in the form of strands (3). The induction charging device (1) also comprises a coil carrier structure (4) made of plastic for positioning the strands (3), the strands (3) being at least partially embedded in said coil carrier structure. The induction charging device (1) also comprises a support structure (5) which has a plurality of support elements (6) which each extend in the vertical direction (H) and which are mutually spaced in the longitudinal direction (L) perpendicular to the vertical direction (H) and are supported against the coil carrier structure (4) in the vertical direction. The induction charging device (1) also comprises at least two, preferably a plurality of, magnetic-field-conducting core plates (7) which are made of a magnetically soft material, are mutually spaced and extend in the longitudinal direction (L), wherein each core plate (7) is supported against at least one support element (6).
B60L 53/30 - Constructional details of charging stations
H01F 27/30 - Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
The present invention relates to a method for determining the relative position of a stationary induction charging device (2, 2a) in relation to a mobile induction charging device (2, 2b), which devices interact with one another during a charging operation for inductive energy transfer. Precise and robust determination of the relative position of energy coils (3) of the induction charging devices (2) in relation to one another is achieved in that, relative to one of the energy coils (3), at least two fixed positioning fields (60) are generated, the positioning fields (60) are received at a location that is fixed relative to the other energy coil (3), and the ratio (62) between the positioning fields (60) is determined, wherein, when the determined ratio (62) corresponds to a previously specified ratio range (63), an overlap of the two energy coils (3) is identified. The invention also relates to a computer program product for carrying out the method, to a system (1) which is operated in this way, and to a mobile application (100) comprising a mobile induction charging device (2, 2a) of a system (1) of this kind. In addition, the invention relates to a stationary induction charging device (2, 2a) of a system (1) of this kind.
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
The present invention relates to a method for determining the relative position of a stationary induction charging device (2, 2a) in relation to a mobile induction charging device (2, 2b), which devices interact with one another during a charging operation for inductive energy transfer. Precise determination of the relative position of energy coils (3) of the induction charging devices (2) in relation to one another is achieved by generating, in the stationary induction charging device (2, 2a), at least one magnetic approach field (70) with an approach intensity maximum (71), the at least one approach field (70) being fixed relative to the stationary energy coil (3, 3a) of the stationary induction charging device (2, 2a) and the approach intensity maximum (71) of the relevant at least one approach field (70) being at a distance from the stationary energy coil (3, 3a). An approach of the mobile energy coils (3, 3b) of the mobile induction charging device (2, 2b) to the stationary energy coil (3, 3a) is detected if at least one of the at least one approach fields (70) is received in the mobile induction charging device (2, 2b). The invention also relates to a computer program product for executing the method, to a system (1) operated in this way, and to a mobile application (100), in particular a motor vehicle (101), comprising a mobile induction charging device (2, 2a) of such a system (1). The invention also relates to a stationary induction charging device (2, 2a) of such a system (1).
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
The present invention relates to a system (1) for inductively transmitting energy, more particularly to a mobile application (100), which system comprises a stationary induction charging device (2, 2a) which has a stationary energy coil (3, 3a), and a mobile induction charging device (2, 2b) which has a mobile energy coil (3, 3b). Precise and robust detection of the position of the energy coils (3) relative to each other is achieved by means of a positioning device (4) which has four transmitting coils (5) in one of the induction charging devices (2) and at least one receiver (6) in the other induction charging device (2). The transmitting coils (5) generate positioning fields (60) which can be distinguished from one another and which interact with the at least one receiver (6). On the basis of the relationship between the positioning fields (60), it is detected whether the energy coils (3) overlap with each other. The invention also relates to an induction charging device (2) of this type and to a mobile application (100), more particularly a motor vehicle (101), having a mobile induction charging device (2, 2b) of this type.
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power
48.
COOLING DEVICE FOR A STATIONARY INDUCTIVE CHARGING DEVICE
The invention relates to a cooling device (1) for a stationary inductive charging device. The cooling device (1) comprises a base (2) and a cover panel (3), between which at least two channel plates (4a, 4b, 4c) are sandwiched. In the process, at least one of the channel plates (4a, 4b, 4c) is provided with at least one opening (5) which forms a cooling channel structure (10) for the through-flow of a cooling medium (K) or which is part of such a cooling channel structure. Furthermore, the base (2), the at least two channel plates (4a, 4b, 4c), and the cover panel (3) are stacked one over the other along a stacking direction (S) and are bonded together by means of a soldered connection.
The present invention relates to a stationary floor assembly (1), - having a housing (12) which has a floor (14) and is spaced apart in a spacing direction (5) from an underlying surface (31), - having at least one flat coil (6) which is arranged in the housing (12) and has a conductor (7), - having a core arrangement (8) which has at least one core body (9) which has a central region (10) and at least one edge region (11), - wherein at least one support (15) is provided which is arranged within the central region (10) of an associated core body (9) and connects the core arrangement (8) and the floor (14) in a heat-transmitting manner, - wherein the at least one support (15) penetrates the floor (14) and supports the housing (12) on the underlying surface (31), - wherein a cooling air duct (16) runs below the floor (14), in particular between the floor (14) and the underlying surface (31). By this means, an arrangement of the supports (15) that does not have an adverse effect on a magnetic field, and improved cooling are possible.
The invention relates to a stationary induction charging device (1) for an inductive vehicle charging system (3) for charging a battery of a battery electric vehicle, comprising - at least one coil (2) for generating an electromagnetic alternating field, which extends in a plane running perpendicular to the height direction (Z) of the induction charging device (1) and which is formed with electrical conductors designed as strands (4), - a strand carrier structure (5) made of plastic for positioning the strands (4), in which structure the strands (4) are at least partially embedded, - a cooling plate structure (6) made of plastic which extends perpendicular to the height direction (Z) below the strands (4) with respect to the height direction (Z), and in which structure a cooling channel system (8) having a plurality of cooling channels (9) for conducting a coolant is formed, - a plurality of magnetic field-guiding guide plates (7) which are made of a soft-magnetic material, extend perpendicular to the height direction (Z) and are arranged between the strands (4) and the cooling channels (9) with respect to the height direction (Z). The thermal and electrical efficiency can be improved when the guide plates (7) are at least partially embedded in the strand carrier structure (5) and/or in the cooling plate structure (6).
The invention relates to a stationary inductive charging device (1) for a vehicle charging system, comprising a coil unit (15) which has at least one electrically energizable induction coil (5) for generating a magnetic alternating field. The inductive charging device additionally comprises an electric inverter (7), which is electrically connected to the power electronics, for converting an electric direct current into an electric alternating current, by means of which the induction coil (5) can be electrically energized via the power electronics (6). The inductive charging device additionally comprises power electronics (6) for providing an electric direct current to the electric inverter (7). According to the invention, the inductive charging device comprises a cooling device (10) that has a cooling circuit, through which a cooling medium can flow, for cooling the inductive charging device components (4) which produce waste heat during operation, i.e. the coil unit (15) or the induction coil (5), the power electronics (6), and the inverter (7). At least the inductive coil unit (15) and the cooling device (10) are thermally coupled together in order to cool the coil unit (15) and are additionally constructed in a modular manner so as to be installable independently of one another and in a mutually spaced manner, in particular on an installation base (31) or on an installation wall (32).
The invention relates to a stationary inductive charging device (1) for a vehicle charging system, comprising a housing (2) which at least partly surrounds a housing interior (3). The inductive charging device additionally comprises a resonator (5) which is arranged in the housing interior (3), said resonator comprising at least one electrically energizable induction coil and first power electronics (6) that are arranged in the housing interior (3) and are electrically connected to the induction coil, which is arranged in the resonator (5). The inductive charging device additionally comprises second power electronics (7), which are arranged in the housing interior (3), for converting an electric supply current into an electric alternating current, by means of which the induction coil arranged in the resonator (5) can be electrically energized. The inductive charging device (1) additionally comprises a cooling device (10) for discharging the exhaust heat accumulating in the housing interior (3) during the operation of the inductive charging device (1). The cooling device (1) comprises at least one coolant path (11) which is formed in the housing interior (3) and through which a cooling medium (K) can flow. Said exhaust heat is absorbed by the cooling medium (K) and is discharged out of the housing interior (3).
The invention relates to an inductive charging device for a vehicle charging system, comprising an energy-transmission winding and at least one flux-guiding element and at least one positioning signal winding. The positioning signal winding is in the form of a solenoid having a winding axis in the vehicle longitudinal direction or the target vehicle longitudinal direction, and the flux-guiding element is suitable for guiding a magnetic field during an energy-transmission process which takes place between a further inductive charging device and the energy-transmission winding. The positioning signal winding encloses at least one of the at least one flux-guiding element and the energy-transmission winding.
The invention relates to an inductive charging device for a vehicle charging system, comprising an energy transmission winding, at least one flux guiding element, at least one first sensor winding, and a second sensor winding. The flux guiding element is suitable for conducting a magnetic field during an energy transmission which is carried out between an additional inductive charging device and the energy transmission winding, and the first sensor winding and the second sensor winding are arranged about at least one of the at least one flux guiding elements.
The invention relates to a method for positioning a vehicle having a mobile inductive charging device in a defined position in relation to a stationary inductive charging device. The mobile inductive charging device or the stationary inductive charging device has a first sensor winding with a first radial longitudinal direction and a second sensor winding with a second radial longitudinal direction. The first radial longitudinal direction and the second radial longitudinal direction are arranged at an angle of between 70° and 110° in relation to one another, preferably perpendicularly in relation to one another, and at an angle of between 35° and 55° in relation to the longitudinal direction of the vehicle or to the target vehicle longitudinal direction, preferably at a 45° angle in relation to the longitudinal direction of the vehicle or in relation to the target vehicle longitudinal direction. A positioning signal generates a first voltage signal in the first sensor winding and a second voltage signal in the second sensor winding. The at least one first voltage signal is detected in a signal detection unit and the at least one second voltage signal is detected in a signal detection unit. An evaluation unit converts the first voltage signal into a first digital signal and the second voltage signal into a second digital signal and processes and compares the first digital signal and the second digital signal. Processing the first digital signal and the second digital signal includes transformation into the frequency range, and a direction deviation value between the longitudinal direction of the vehicle and the connecting line between the stationary inductive charging device and the mobile inductive charging device is calculated from the comparison of the first digital signal with the second digital signal.
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
The invention relates to a stationary inductive charging device (1) for an inductive vehicle charging system (5) for charging a vehicle battery, comprising a device housing (2) which has a housing base (3) and a housing cover (4) that is spaced from the housing base (3) in a vertical direction (Z); at least one coil (6) which is arranged in the device housing (2) for generating an electromagnetic alternating field; and power electronics (7) which are arranged in the device housing (2) for providing energy to the coil (6) and actuating the coil (6). In order to effectively cool components (10) of the power electronics (7), an air cooling device (11) is provided which has at least one air shaft (12) that runs in the device housing (2) for guiding air, at least one fan (13) that is arranged in the device housing (2) for driving the air in the air shaft (12), at least one air inlet (14) that is formed on the device housing (2) and fluidically connects the air shaft (12) to the surroundings (16) of the inductive charging device (1), and at least one air outlet (15) that is formed on the device housing (2) and fluidically connects the air shaft (12) to the surroundings (16). An efficient cooling process of the components (10) is achieved and that each air shaft (12) has a shaft wall (17) made of metal, said shaft wall being exposed to the air on an inner face (18) of the wall. The air shaft (12) has at least one heat transfer region (20) in which the shaft wall (17) is coupled to at least one component (10) on the outer face (19) of the wall so as to transfer heat.
The invention relates to a stationary induction charging device (1) for a vehicle charging system (2), - with a housing (4) which at least partially surrounds a housing interior space (3) and has a bottom (8), - with a cooling device (5) for dissipating the waste heat arising in the housing interior space (3) during operation of the stationary induction charging device (1), - wherein the cooling device (5) comprises a heat exchanger (6) which can be flowed through by air (L) from the outer surroundings and a cooling medium (K) in a fluidically separated manner, in which heat exchanger (6) heat can be transferred from the cooling medium (K) to the air (L), - wherein the heat exchanger (6) is arranged substantially horizontally and is flowed through by the air (L) substantially in the vertical direction z during operation. As a result, a throughflow of the heat exchanger (6) with reduced pressure losses on the air side and improved cooling of the stationary induction charging device (1) can be achieved.
The present invention relates to a stationary floor assembly (1) for an inductive charging device (2), - having a housing (3) with a base plate (4) and a housing cover (5) covering the base plate (4), - having at least one flat coil (8) which is held by a wire support (7) and is spaced apart from the base plate (4) in the spacing direction (6), - having a core arrangement (10) with at least one core body (11) for magnetic flux guidance, - wherein a cavity (12) is formed between the at least one core body (11) and the base plate (4), - wherein at least one support (15) is provided between the flat coil (8) and the base plate (4), which support extends through the cavity (12) in the spacing direction (6), wherein the wire support (7) has a pressure platform (16), - wherein a load distribution structure (17) is arranged between the housing cover (5) and the wire support (7), which structure is supported on the pressure platform (16) and via the latter on the associated support (15).
The invention relates to a fuel cell system (1) having at least one fuel cell (2) and a rinsing system (5). The rinsing system (5) comprises a compressor (6) for conveying air (L) and a membrane body (7) for separating oxygen (O2) from the conveyed air (L). The rinsing system (5) is designed to rinse an anode (3) of the at least one fuel cell (2) with a residue (R) of the air (L) freed of oxygen (O2). The invention also relates to a method for rinsing the anode (3) of the fuel cell (2) of the fuel cell system (1). The invention further relates to the rinsing system (5) and to a motor vehicle having the fuel cell system (1).
H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
B60L 50/72 - Constructional details of fuel cells specially adapted for electric vehicles
H01M 8/04223 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
The present invention relates to a floor assembly (1) for an inductive charging device (2) for charging a motor vehicle (3) on an underlying surface (6), said floor assembly having a coil (5), a core arrangement (10) with at least one core body (1), and a base plate (8). Increased power, simplified production and improved stability of the floor assembly (1) are produced by the fact that a supporting column (15) supporting the core arrangement (10) on the base plate (8) has a contour (19) by means of which electronics (16) in a cavity (14) between the base plate (8) and the core arrangement (10) are subjected to mechanical load in the direction of the base plate (8).
The invention relates to a membrane stack (1) for a humidifier module of a fuel cell system. The membrane stack (1) comprises a plurality of moisture-permeable membranes (2a, 2b) that are stacked on top of one another at a distance from one another along a stacking direction (S). An intermediate space (7a, 7b) formed in each case between two membranes (2a, 2b) adjacent in the stacking direction (S) forms a gas path (5a, 5b) through which a gas (G1, FG) can flow, wherein a spacer element (3a, 3b) is located in each intermediate space (7a, 7b) and is supported on these two membranes (2a, 2b). The spacer elements (3a, 3b) each have a corrugated support structure (8a, 8b) which extends perpendicular to the stacking direction (S) along an extension direction (E, E1, E2). The spacer elements (3a, 3b) are fixedly connected on both sides to the membrane (2a, 2b) that is adjacent in the stacking direction (S) by means of an adhesive connection (6a.1, 6a.2, 6b.1, 6b.2).
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
STATOR, PREFERABLY A OVERMOLDED STATOR, FOR AN ELECTRIC MACHINE, PREFERABLY A MACHINE WITH RADIAL COOLING CHANNELS, PRODUCTION METHOD FOR SUCH A STATOR AND USE OF SUCH A STATOR IN AN ELECTRIC MACHINE
The present invention relates to a stator (1) with a ring-shaped stator body (3) defining a longitudinal centre axis (2), on which stator body with respect to the longitudinal centre axis (2), encased radially internally by a plastic injection moulded body (4), electrically conductive stator windings (5), extending along the longitudinal centre axis (2) and projecting on both sides with respect to the longitudinal centre axis (2) axially beyond the stator body (3) are fixed, so that the stator body (3) is flanked axially by a ring-shaped first axial overhang (6) and a ring-shaped second axial overhang (7). It is essential that the stator (1) has radial cooling apertures (8), which completely penetrate the first and/or second axial overhang (6, 7). The invention relates furthermore to a production method for such a stator (1) and a use of such a stator (1) in an electric machine.
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 15/10 - Applying solid insulation to windings, stators or rotors
H02K 3/38 - Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
63.
STATOR FOR AN ELECTRIC MACHINE, PRODUCTION METHOD FOR THE SAME AND MOTOR VEHICLE COMPONENT HAVING SUCH A STATOR
The present invention relates to a stator (1) for an electric machine, having an annular stator body (3) defining a longitudinal centre axis (2), on whose outer circumference lateral surface (4) longitudinal ribs (5) projecting radially away to the outside and longitudinal cooling channels (6) that can be flowed through by cooling fluid that are delimited by the same are arranged, wherein the stator (1) comprises an annular outer housing sleeve (7) axially put over the stator body (3). It is substantial for the invention that the stator body (3) with the longitudinal ribs (5) is fixed to the outer housing sleeve (7) from radially inside in a frictionally locking manner. The invention additionally relates to a production method for such a stator (1) and to a motor vehicle component for a motor vehicle comprising a stator (1).
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 3/28 - Layout of windings or of connections between windings
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 15/10 - Applying solid insulation to windings, stators or rotors
The invention relates to a hydrogen combustion engine (1) comprising: - a crankcase (3), - a hydrogen sensor (4) for detecting a hydrogen concentration in a crankcase gas (5), - a crankcase ventilation device (9) which is designed in such a way that it flushes the crankcase (3) if a predefined hydrogen concentration in the crankcase gas (5) is exceeded and thereby reduces the hydrogen concentration in the crankcase (3), and/or - a humidity sensor (32) for detecting a humidity in a crankcase gas (5), and a crankcase ventilation device (9) which is designed in such a way that it flushes the crankcase (3) if a predefined humidity in the crankcase gas (5) is exceeded and thereby reduces the humidity in the crankcase (3). This at least reduces the risk of fire or explosion due to hydrogen accumulating in the crankcase (3).
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
F02D 19/02 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
The invention relates to a fan device (1), in particular for a chair (20), for conducting air. The fan device (1) comprises a fan (2) and a fan connection (3) which is fluidically and mechanically connected to the fan (2) and on which at least one form-fitting element (4a) or a force-fitting element (4b) is arranged in order to form a form-fitting or force-fitting connection (4) to a structural body (21) which is provided in the chair (20) and is made of a structural foam (22).
A47C 7/74 - Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling
The invention relates to a chair (1) having a seat body (2), in particular a seat shell, and having a backrest (3), wherein the seat body (2) is delimited on the top side by a seat surface (4) and comprises a structural body (5) made from an elastically compressible foam (6). Below the structural body (5) there is a support structure (7) with a plurality of support elements (8), on which the structural body (5) made from the foam (6) is supported. A fan device (10) for extracting air from the seat surface (4) or/and for conveying air to the seat surface (4) is arranged in the structural body (5) and at a distance from the support structure (7). The fan device (10) and the support structure (5) are arranged relative to each other in such a manner that the fan device (10) does not touch the support structure (7) even when the foam (6) is compressed.
A47C 7/74 - Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling
The invention relates to an air-conditioning device (2) for a helmet (1), in particular a motorbike helmet, comprising at least one air-conditioning module (4) and an air-guiding unit (6). The air-conditioning module (4) has a heat pump assembly (8) with a first heat pump side (9) and a second heat pump side (10). The heat pump assembly (8) is suited for pumping heat from the first heat pump side (9) to the second heat pump side (10) and/or from the second heat pump side (10) to the first heat pump side (9). The at least one air-conditioning module (4) has a first fan (12) arranged on the first heat pump side (9) and a second fan (14) arranged on the second heat pump side (10). The air-guiding unit (6) has at least one first channel (13) that air-guidingly connects the first heat pump side (9) to a front region (7) of the helmet, and an air-guiding connection, in particular a second channel (15), which air-guidingly connects the second heat pump side (10) to the front region (7) of the helmet. The first fan (12) and/or the second fan (13) is air-guidingly connected to the ambient air (17). During operation, the first fan (12) directs air past the first heat pump side (9) and into the first channel (13). During operation, the second fan (14) directs air from the helmet interior, in particular from the second channel (15) and past the second heat pump side (10).
The invention relates to an air-conditioning device (2) for a helmet (1), in particular a motorbike helmet, comprising at least one air-conditioning module (4) and an air-guiding unit (6). The air-conditioning module (4) is arranged outside the helmet (1). The at least one air-conditioning module (4) has at least one first fan (12). The air-guiding unit (6) has at least one first channel (13) that connects the air-conditioning module (4) to a front region (7) of the helmet (1) in an air-guiding manner. The air-conditioning module (4) is secured to the helmet (1) via a releasable connection, wherein the releasable connection is released when a force is applied to the helmet (1) and the applied force exceeds a predetermined threshold value.
The invention relates to a method for producing an electric motor (1) comprising a stator (2) with stator slots (3) and electrical conductors (4) arranged therein. In order to achieve a simple production, according to the invention: at least two electrical conductors (4) are covered with an electrical insulator (5) in an extrusion process, which holds the at least two electrical conductors (4) spaced apart from one another and has at least one positioning contour (6); and the at least two electrical conductors (4) are introduced into an associated stator slot (3), together with the electrical insulator (5), and fixed therein using the at least one positioning contour (6).
H02K 3/30 - Windings characterised by the insulating material
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 15/12 - Impregnating, heating or drying of windings, stators, rotors or machines
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 15/06 - Embedding prefabricated windings in machines
The present invention relates to a method for producing a rotor (1) of an electric motor (2) having laminations (4) arranged on a rotor shaft (3), in which method - at least two laminations (4), rotationally offset relative to each other in the circumferential direction (5) and having magnet pockets (6) and magnets (7) arranged therein, are arranged on the rotor shaft (3), - at least one perforated disc (9) with at least one opening (10) is arranged in the axial direction (8) between two laminations (4) in such a way that the opening (10) overlaps and connects two magnetic pockets (6) of two laminations (4) adjacent to the perforated disc (9), - a cavity between the magnet pockets (6) and the magnets (7) is filled by means of a curable casting compound (11), the casting compound (10) flowing through the opening (10) in the process.
H02K 1/276 - Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
H02K 15/03 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
71.
METHOD FOR PROTECTING AN EXTERNAL CIRCUIT FROM A SURGE VOLTAGE
The invention relates to a method (10) for protecting an external circuit (2) from a surge voltage by means of a protective circuit (1). The protective circuit (1) has a protective unit (3) with a semiconductor switch (4) and a voltage regulator (6). In the method: - a setpoint voltage (U_SOLL) and an actual voltage (U_IST) of the external circuit (2) are specified to the voltage regulator (6); - depending on the difference between the setpoint voltage (U_SOLL) and the actual voltage (U_IST), a gate voltage (U_GATE) is provided at the semiconductor switch (4) by the voltage regulator (6). The invention also relates to the protective circuit (1) for carrying out the method (10).
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
H02H 7/08 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from norm for dynamo-electric motors
An electric machine (1) comprises a stator (2) and a rotor (3), whereby the stator (2) and/or the rotor comprises a stack of steel laminations (13), whereby the stack of steel laminations (13) is made up of identical steel steel laminations (8, 9) of substantially the same shape havingwith a plurality of openings (10) which when stacked one on top of another form a plurality of fluid cooling channels (7, 18, 19, 20, 22) extending axially through the stack, whereby a plurality of the steel laminations (8, 9) are provided with a different orientation in the stack (13) to the other steel laminations (8, 9) in the stack (13), such that the fluid cooling channels (7, 18, 19, 20, 22) form a serpentine cooling path extending axially through the stack (13 ). A method of assembling the electric machine comprises either rotating or reversing a plurality of the steel laminations (8, 9) in relation to the other steel laminations (8, 9) before or during assembly of the stack (13).
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
The invention relates to an inductively electrically excited synchronous machine (1), comprising: - a rotor (2), which has a rotor coil (5) for generating a rotor field and a transformer secondary coil (6) for supplying the rotor coil with electrical energy; - a stator (3), which has a stator coil (9) for generating a stator field and a transformer primary coil (10) for inductively transmitting electrical energy to the transformer secondary coil (6); and - a machine controller (4), which demagnetizes the rotor coil (5) in the event of a machine fault of the synchronous machine (1). The demagnetization of the rotor coil (5) is improved by means of a demagnetizing circuit (15, 15'), which has: - a dynamo winding (16, 16') disposed on the stator (3); - a switching device (17, 17') for activating and deactivating the demagnetizing circuit (15, 15'); and - an electrical-energy load (18, 18') and/or an electrical-energy store (19, 19'). Electrical energy fed in by induction at the dynamo winding (16, 16') in question is supplied to the load (18, 18') in question and/or to the store (19, 19') in question. During normal operation of the synchronous machine (1), the machine controller (4) triggers the switching device (17, 17') in question to deactivate the demagnetizing circuit (15, 15") and, in the event of the machine fault, the machine controller triggers the switching device (17, 17') in question to activate the demagnetizing circuit (15, 15").
H02P 25/03 - Synchronous motors with brushless excitation
H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
The present invention relates to an inductively electrically excited synchronous machine (1), having: a rotor (2), which has a rotor coil (5) for generating a rotor field and a transformer secondary coil (6) for supplying the rotor coil (5) with electrical energy; and a stator (3), which has a stator coil (9) for generating a stator field and a transformer primary coil (10) for inductively transmitting electrical energy to the respective transformer secondary coil (6). Demagnetisation of the rotor coil (5) can be improved with a demagnetisation circuit (19), which is electrically connected to the stator coil (9) and has a switching device (20) for activating and deactivating the demagnetisation circuit (19) and a consumer (22) of electrical energy and/or a store (23) for electrical energy, wherein the switching device (20) deactivates the demagnetisation circuit (19) during normal operation of the synchronous machine (1) and activates the demagnetisation circuit (19) if there is a machine fault.
H02P 25/03 - Synchronous motors with brushless excitation
H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
H02P 29/024 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
H02P 3/22 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor by short-circuit or resistive braking
The invention relates to data transmission between a secondary side (3) of a transformer device (1), which is used for inductively transmitting electrical energy from a DC voltage source (4) to a consumer (11), and a primary side (2) of the transformer device (1). Data which are intended to be transmitted from the secondary side (3) to the primary side (2) are encoded on the secondary side (3) by modulating a secondary-side resonant frequency, and a primary-side parameter correlating to the secondary resonant frequency is monitored and decoded on the primary side (2).
H02P 25/03 - Synchronous motors with brushless excitation
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
The invention relates to an electrical machine (1), in particular a traction motor for driving a vehicle, having a stator (2) and having a rotor (3) which has a rotor shaft (7) that is mounted so as to be rotatable relative to the stator (2) about an axis of rotation (6). The rotor (3) has a magnetic-field generating arrangement (9) which is mounted on the rotor shaft (7) for conjoint rotation and generates a magnetic rotor field at least while the electrical machine (1) is in operation. The rotor shaft (7) contains, coaxially to the axis of rotation (6), a coolant distributor channel (10) and has, at an axial shaft end (11), a coolant inlet (12) which is open to the coolant distributor channel (10). Improved cooling can be achieved if the rotor shaft (7) has, at a first axial arrangement end (15) of the magnetic-field generating arrangement (9), first radial outlet openings (17) which are open to the coolant distributor channel (10), such that, when the electrical machine (1) is in operation, coolant (13) flows along the first arrangement end (15), and if the rotor shaft (7) has, at a second axial arrangement end (16) of the magnetic-field generating arrangement (9), second radial outlet openings (18) which are open to the coolant distributor channel (10), such that, when the electrical machine (1) is in operation, coolant (13) flows along the second arrangement end (16).
The invention relates to a rotor (1) for an externally excited synchronous machine (2), including a rotor winding (3) arranged on a rotor shaft (4) and a rectifier (6). In order to be able to reduce the load a rotary transformer rotor (9) of a rotary transformer (8) is subjected to and in order to be able to reduce interfering influences on it, the rectifier (6) and a secondary coil (7) are located inside the hollow rotor shaft (4).
H02K 11/042 - Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
The invention relates to a rotor (1) for an externally excited synchronous machine (2), including rotor windings (3) on a rotor shaft (4) that has at least one cavity (15), and a rectifier (6). In order to be able to reduce the load a rectifier (6) is subjected to, it is at least partly located in the cavity (15) of the rotor shaft (4).
H02K 11/042 - Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 19/12 - Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
79.
ROTOR FOR AN EXTERNALLY EXCITED SYNCHRONOUS MACHINE
The invention relates to a rotor (1) for an externally excited synchronous machine (2), including - rotor windings (3) arranged on a rotor shaft (4), - a balancing ring (5), and - a rectifier (6) that is electrically connected to the rotor windings (3). In order to simplify assembly and balancing, a rotary transformer rotor (8) of a rotary transformer (7) having a secondary coil (9) is arranged on the balancing ring (5), the secondary coil projecting from the balancing ring (5) in the axial direction (14).
H02K 3/51 - Fastening of winding heads, equalising connectors, or connections thereto applicable to rotors only
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 11/042 - Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts
H02K 19/12 - Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
80.
ROTOR ASSEMBLY, AND SYNCHRONOUS MACHINE INCLUDING THE ROTOR ASSEMBLY
The invention relates to a rotor assembly (2) for an inductively electrically excited synchronous machine (1). The rotor assembly (2) has a hollow shaft (3) that can rotate about an axis of rotation (RA), a rotor (4) and a secondary-side circuit (5) of an energy-transferring unit (6). The secondary-side circuit (5) has a rectifier (7) with a printed circuit board (10) and at least one electrical component (11), and a secondary coil (8). According to the invention, the rectifier (7) is oriented transversely to the axis of rotation (RA) and is mounted in a cavity (9) of the hollow shaft (3) for cojoint rotation. The invention also relates to the synchronous machine (1) comprising the rotor assembly (2).
H02K 11/042 - Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 19/36 - Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches
The invention relates to an electrically excited synchronous machine (1), comprising - a stator (2) which has a stator housing (5) with at least one axial end-face bearing shield (6) and a stator coil (7) for generating a magnetic stator field, - a rotor (3) which has a rotor shaft (9) rotatably supported at least on the bearing shield (6) about a rotational axis (10) and a rotor coil (11) for generating a magnetic rotor field, and - an energy transmission system (40) which has an energy transmitter (4) for transmitting electric energy to the rotor coil (11), wherein - the bearing shield (6) contains at least one coolant channel (23) and has a coolant inlet (24) and a coolant outlet (25) such that the bearing shield (6) is actively cooled by a coolant conducted through the coolant channel (23), and - the energy transmitter (4) has at least one component (37) which is fixed to the stator and which is arranged in or on the bearing shield (6) so as to transfer heat.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 19/10 - Synchronous motors for multi-phase current
H02K 19/12 - Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
The invention relates to an electrically excited synchronous machine (1), comprising - a stator (2) which has a stator housing (5) with at least one axial end-face bearing shield (6) and a stator coil (7) for generating a magnetic stator field, - a rotor (3) which has a rotor shaft (9) rotatably supported at least on the bearing shield (6) about a rotational axis (10) and a rotor coil (11) for generating a magnetic rotor field, and - an energy transmission system (40) for transmitting electric energy to the rotor coil (11), wherein - the bearing shield (6) contains at least one coolant channel (23) and has a coolant inlet (24) and a coolant outlet (25) such that the bearing shield (6) is actively cooled by a coolant conducted through the coolant channel (23), and - at least one component (35) of a power electronics system (34) of the synchronous machine (1), said power electronics system being fixed to the stator, is arranged on the bearing shield (6) so as to transfer heat.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 19/12 - Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
The invention relates to a system (0) with an electric rotary transformer (1) for an inductive energy transmission, comprising a rotary transformer stator (2) with a transformer primary coil (3) and a rotary transformer rotor (4) with a transformer secondary coil (5). The transformer primary coil (3) and the transformer secondary coil (5) interact during operation in order to induce a transformer voltage in the transformer secondary coil (5). An improved operation of the system (0) is achieved by means of a signal transmission device (20) for inductively transmitting operating signals, wherein the signal transmission device (20) has a rotor signaling coil (21), which is rotationally fixed to the rotary transformer rotor (4) and which is electrically isolated from the transformer primary coil (3), and a stator signaling coil (22), which is stationary relative to the rotary transformer stator (2) and which is electrically isolated from the transformer primary coil (3). The rotor signaling coil (21) and the stator signaling coil (22) interact in the process in order to transmit operating signals. The invention additionally relates to a separately excited electric synchronous machine (100) comprising such a system (0), to a motor vehicle (200) comprising such a separately excited electric synchronous machine (100), and to the use of such a separately excited electric synchronous machine (100) as a traction motor (120).
H02K 19/12 - Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
The invention relates to an electrical rotary transformer (1) for inductive energy transmission. The rotary transformer (1) comprises a rotary transformer stator (2) having a primary coil (20). The rotary transformer (1) further comprises a rotary transformer rotor (3) designed to be rotatable about a rotation axis (D) relative to the rotary transformer stator (2) and having a secondary coil (21), wherein the secondary coil (21) can be or is inductively coupled to the primary coil (20). The rotary transformer (1) also comprises a capacitive coupling device (4) for capacitive electrical signal transmission between the rotary transformer stator (2) and the rotary transformer rotor (3).
The present invention relates to a separately excited electric synchronous machine (100) comprising a machine rotor (101), which has a machine rotor coil (103), and comprising a machine stator (104), the machine rotor (101) rotating relative to the machine stator (104) about a rotation axis (90) during operation. Increased operational stability and improved operational variability together with simple implementation are achieved by a signal transmission device (20) which has a signal coil (21), connected in series with the machine rotor coil (103), on the machine rotor (101) and a magnetic field sensor (23), which detects the magnetic field generated by the signal coil (21) during operation, on the machine stator (104). The invention also relates to a motor vehicle (200) comprising such a separately excited electric synchronous machine (100).
H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
H02K 23/12 - DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having excitation produced by current sources independent of the armature circuit
The present invention relates to an externally excited electric synchronous machine (100) having a machine rotor (101) which has a machine rotor coil (103) which during operation generates a magnetic rotor field. The synchronous machine (100) also has a rectifier circuit (6) which supplies a DC voltage to the machine rotor coil (103) in order to generate the rotor field. The demagnetization of the machine rotor coil (103) is improved by a protection circuit (20) which is connected in parallel with the rectifier circuit (6) and the machine rotor coil (103) as well as by a switch (23) which is located between the protection circuit (20) and the rectifier circuit (6) and which is opened by means of a trigger circuit (24) in order to demagnetize the machine rotor coil (103).
H02P 9/30 - Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
The invention relates to an electric rotary transformer (1) for an inductive energy transmission, said rotary transformer having a rotary transformer stator (2) with a primary coil (3) and a rotary transformer rotor (4) with a secondary coil (5). The primary coil (3) and the secondary coil (5) interact during operation in order to induce a transformer voltage in the secondary coil (5). An increased efficiency of the rotary transformer (1) is achieved in that at least one of the coils (3, 5) has an electric conductor (20) through which the flow path (21) of a fluid for cooling the rotary transformer (1) is guided. The invention additionally relates to a separately excited electric synchronous machine (100) comprising such a rotary transformer (1), to a motor vehicle (200) comprising such a separately excited electric synchronous machine (100), and to the use of such a synchronous machine (100) as a traction motor (120).
The invention relates to a rotor (2) for an electric machine (1). The rotor (2) has a winding carrier (7) and at least two windings (10) carried by the winding carrier (7). The winding carrier (7) has a shaft region (8) and at least two carrier teeth (9), and the windings (10) are wound onto the respective carrier teeth (9). The winding carrier (7) has a magnetic main part (12) and two end caps (13). According to the invention, the two end caps (13) are made of a magnetic material. The invention also relates to the winding carrier (7) for the rotor (2) and to the electric machine with the rotor (2). The invention further relates to a use of the rotor (2) in the electric machine (1), which is a traction motor for a motor vehicle.
The invention relates to a synchronous machine (1), comprising: - a stator group (2) which has a housing (3) and a stator (4); and - a rotor group (5) which has a shaft (6) and a rotor (7). The rotor group (5) is mounted in the stator (4) so as to be rotatable about an axis of rotation (RA). The synchronous machine (1) also comprises an end shield (8) for the housing (3) and a bearing (10) for the shaft (6). The synchronous machine (1) additionally comprises an energy transmitter (12) having a magnetic core (13). According to the invention, the magnetic core (13) is located radially between the end shield (8) and the bearing (10) and partially reproduces the end shield (8).
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 19/12 - Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
H02K 19/26 - Synchronous generators characterised by the arrangement of exciting windings
90.
METHOD FOR DETERMINING A LOAD CURRENT ON THE SECONDARY SIDE
The invention relates to a method (7) for determining an output current (i_AUS) on the secondary side and determining therefrom a load current (i_LAST) in a circuit (1). The circuit (1) comprises a phase-shifted full bridge (4) on the primary side and a rectifier (5) on the secondary side. The circuit (1) comprises a transformer (3) having a leakage inductance (L_EIN) on the primary side, a leakage inductance (L_AUS) on the secondary side and a magnetisation inductance (L_M). An input current (i_EIN) flows through the leakage inductance (L_EIN) on the primary side, the output current (i_AUS) flows through the leakage inductance (L_AUS) on the secondary side and a magnetisation current (i_M) flows through the magnetisation inductance (L_M). The input current (i_EIN) increases in a charging phase (LADE-P) and decreases in a freewheeling phase (FREILAUF-P). According to the invention, in the method in step A the parameters of the input current (i_EIN) are measured; in step B a characteristic of the input current (i_EIN) in the charging phase (LADE-P) is calculated; in step C the magnetisation current (i_M) in the charging phase (LADE-P) is calculated; and in step D the output current (i-AUS) in the load charging phase (LAST-LADE-P) is calculated. The invention also relates to a device comprising the circuit (1) and comprising a control device for carrying out the method.
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
The invention relates to a rotor piece (1) for a rotor. The rotor piece (1) has an inner rotor (2) and a housing part (3). The inner rotor (2) has a central region (4) and at least two rotor blades (7) that extend radially outwards. The housing part (3) has a bottom (11) and a wall (12). The inner rotor (2) is accommodated in the housing part (3) and is outwardly surrounded by the base (11) and the wall (12). The inner rotor (2) and the housing part (3) are axially locked together by means of a locking unit (15) of the rotor piece (1). The invention also relates to the rotor comprising the rotor piece (1). The invention also relates to a method for manufacturing the rotor piece (1).
H02K 3/38 - Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
H02K 3/51 - Fastening of winding heads, equalising connectors, or connections thereto applicable to rotors only
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 15/02 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
The present invention relates to a magnet core (1) for an electric machine (2), comprising a core ring (4) which defines a centre axis (3) and is formed from a magnetic core material and the accumulated axial core material width (5) of which decreases radially from the inside to the outside. The invention also relates to an electric machine (2) comprising at least one such magnet core (1).
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 19/12 - Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
H02K 19/26 - Synchronous generators characterised by the arrangement of exciting windings
The invention relates to a rotor of a synchronous electric motor comprising the rotor core and magnets, where an impeller (2A) on the rotor core in combination with a hollow shaft is used for propelling a coolant through a cooling system of the electric motor. In an advantageous embodiment the coolant is introduced directly into the main cavity (7) of the hollow shaft and released out of the shaft through a plurality of channels (1C) in the area of a junction surface between a shaft core (1A) and a supporting body (1B), wherein outlet apertures (3) of the channels (1C) are aligned with intake area of the impeller (2A).
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 21/12 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
The invention relates to an electrical machine (1) which contains a rotor group (2) with a shaft (5) and a rotor (4) and a housing group (3) with a housing (7) and a stator (8). The rotor group (2) is rotatably mounted in the housing group (3). At least two cooling channels (14) are formed in the stator (8) and a first circulation chamber (13a) and a second circulation chamber (13b) are formed in the housing (7). The machine (1) further comprises a flow path (12) formed at least by the at least two cooling channels (14) and the two circulation chambers (13a, 13b). According to the invention, a coolant inlet (16) and a coolant outlet (17) are formed in the flow path (12) and at axial ends (8a, 8b) of the stator (8). The cooling channels (14) extend axially through the entire stator (8) and can be flowed through in parallel and/or in series with one another in the flow path (12).
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
F01D 5/00 - Blades; Blade-carrying members; Heating, heat-insulating, cooling, or antivibration means on the blades or the members
The invention relates to an electrical machine (1) which contains a rotor group (2) with a shaft (5) and a rotor (4) and a housing group (3) with a housing (7) and a stator (8). The rotor group (2) is rotatably mounted in the housing group (3). At least two cooling channels (14) are formed in the stator (8) and a first circulation chamber (13a) and a second circulation chamber (13b) are formed in the housing (7). The machine (1) further comprises a flow path (12) formed at least by the at least two cooling channels (14) and the two circulation chambers (13a, 13b). According to the invention, a coolant inlet (16) and a coolant outlet (17) are formed in the flow path (12) and at axial ends (8a, 8b) of the stator (8). The cooling channels (14) extend axially through the entire stator (8) and can be flowed through in parallel and/or in series with one another in the flow path (12).
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
A direct cooled electric motor (9) for a traction drive of an electric vehicle, adapted to be cooled by a coolant, comprises a housing (1) receiving a stator core (2), the stator core (2) comprising a steel lamination stack, a rotor (3) arranged to rotate radially inside the stator core (2), and windings (7) which extend axially through the stator core (2) and axially beyond the axial ends (8) of the stator core (2), and at least one end fiber (6), whereby the end fiber (6) extends in the circumferential and radial directions over an axial end (8) of the stator core (2) and comprises a plurality of winding apertures (6c) arranged circumferentially around the end fiber (6), whereby the windings (7) extend through the winding apertures (6c).
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
The invention relates to an electric motor, which comprises a sheath (1) for forming a main cavity of the electric motor, into which a coolant for cooling the components of the electric motor is introduced, wherein the electric motor has a rotor (3) and a stator (2) with a first stator end winding and a second stator end winding, and wherein the electric motor further comprises an impeller (31) for pumping the coolant into the region of the end windings.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
98.
ONE-SHOT OVERMOLDING OF THE ROTOR FOR ELECTRIC MOTOR
The invention relates to a rotor of electric motor and to a method of manufactur- ing the same. The rotor comprising a shaft, a rotor core, a plurality of magnets (4), and a resin being used for fixation of the magnets (4) within the rotor core. According to the invention, a manifold (3G) on a front surface of the rotor core is used to provide an overlapping surface area for a plurality of the cavities within the rotor core. Advantageously the number of the gates (5B-G) within the tool is significantly reduced. In an advantageous embodiment, a plurality of the blades on the front surface of the rotor core is manufactured by filling up the manifold (3G) cavity further comprising the impeller (3B) for oil-cooled rotor.
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
H02K 15/03 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 1/276 - Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
H02K 15/12 - Impregnating, heating or drying of windings, stators, rotors or machines
B29C 45/02 - Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
B29L 31/34 - Electrical apparatus, e.g. sparking plugs or parts thereof
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
99.
MODULAR ASSEMBLY FOR A REFRIGERANT CIRCUIT OF A MOTOR VEHICLE, AND REFRIGERANT CIRCUIT
The invention relates to a modular assembly (50) for a refrigerant circuit of a motor vehicle. The modular assembly comprises an internal heat exchanger (22) and a heat exchanger (44) that can be flown through by a coolant. The internal heat exchanger (22) is designed to transfer heat from a high-pressure side of the internal heat exchanger (22) to a low-pressure side of the internal heat exchanger (22). The heat can be introduced into a refrigerant, which is compressible by means of a compressor, by the operation of a compressor of the refrigerant circuit. The heat exchanger (44) can be impinged by a refrigerant that can be supplied from the high-pressure side of the internal heat exchanger (22) to the heat exchanger (44) and can be relaxed by means of an expansion device (40) of the modular assembly. The modular assembly is designed to be separate from an evaporator of the refrigerant circuit and/or separated from a condenser of the refrigerant circuit and comprises a carrying device (94) separate from the heat exchanger (44), on which carrying device the heat exchanger (44) is retained. The invention also relates to a refrigerant circuit having such a modular assembly.
B60H 1/00 - Heating, cooling or ventilating devices
100.
COOLER PASSIVATION PROCESS FOR A COOLANT COOLER OF A COOLER DEVICE MOUNTED IN A MOTOR VEHICLE, COOLER DEVICE, AND USE OF A MOTOR VEHICLE TO PASSIVATE A COOLANT COOLER OF A COOLER DEVICE
The present invention relates to a cooler passivation process for a coolant cooler (2) of a cooler device (1) mounted in a motor vehicle. According to the cooler passivation process, a cooler device (1) with a coolant cooler (2) is provided, the latter having at least one aluminium cooling channel (3) with a cooler surface (4) provided with flux. The cooler device (1) is provided, for example mounted, in a motor vehicle and is then put into operation with at least one fuel cell of the motor vehicle. In order to form a passivation layer (8) on the coolant cooler (2), according to the invention a previously provided aqueous passivation solution (5) formed from passivation layer forming material (6) and fuel cell wastewater (7) is applied to the cooler surface (4), provided with the flux, of the at least one aluminium cooling channel (3), the passivation solution (5) reacting with the cooler surface (4), provided with the flux, of the at least one aluminium cooling channel (3) while thermal energy provided by the coolant cooler (2) is supplied, forming a passivation layer (8).
B23K 35/36 - Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
F28F 19/02 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings