A heat exchanger assembly may include an intercooler and a housing which encloses said intercooler. The housing may be part of a charge air line. The housing may include a charge air inlet, a charge air outlet and an opening through which the intercooler can be inserted into the housing from one side. The housing may also include a recess on the side opposite the opening, into which recess the intercooler engages. The heat exchanger assembly may include an elastic seal arranged in the region of the recess between the intercooler and the housing. The seal may be configured to at least one of bridge the deformation of the housing occurring during pressure pulsations, bridge relative movements between the intercooler and the housing, and tightly connect the intercooler to the housing in all operating states preventing an undesirable bypass flow.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
A cooling device for a battery module and a battery device comprising said cooling device for a battery module are provided that includes a cooling element having at least one through hole extending from a first side of the cooling element facing the battery module to an opposite second side of the cooling element, at least one spring element disposed on the second side of the cooling element, in order to exert a contact force on the second side of the cooling element in a tensioned condition, and at least one clamping device coupled to the spring element and extending through the through hole, wherein a contact region of the clamping device extends beyond the second side of the cooling element when the spring element is in a relaxed condition.
A device for cooling a vehicle battery is provided that includes a plurality of electric storage elements, and a cooling body being flowed through by a coolant fluid, wherein at least one of the electric storage elements is fixed at least on one cooling plate in thermal contact, and wherein the cooling plate is connected to the cooling body so that heat may be transferred from the storage element to the fluid, wherein the cooling plate has a planar mechanical connection to the cooling body.
An axial flow fan is provided that is arranged in a rotatable manner around an axis in a stationary shroud ring, with fan blades. The shroud ring has an essentially cylindrical annular surface with an axial extension from a leading edge to a trailing edge and the fan blades have an axial depth from an inflow edge to an outflow edge. The outflow edges of the fan blades in an axial direction project beyond the trailing edge of the annular surface and form a blade overhang and flow guidance elements are arranged radially outside the fan blades as well as in the axial region of the blade overhang.
A cooling apparatus for a motor vehicle with an internal combustion engine is provided that includes at least one heat exchanger through which air can pass, at least one axial fan that is located behind the at least one heat exchanger in a direction of air flow and has a circumferential ring with which ring is associated a stationary baffle ring, and a fan shroud adjoining the at least one heat exchanger. At least one motion compensating element with a sealing function is provided between the baffle ring and the at least one fan shroud.
The invention relates to a condenser for an air conditioning system, especially an air conditioning system of a vehicle, said condenser comprising a gill block and laterally arranged headers, the gill block comprising horizontal pipes, a condensing section and a supercooling section arranged above the condensing section. Said condenser also comprises a collector (5) arranged parallel to one of the headers and receiving a drier (16), a filter (18), a downpipe (15) and a rising pipe. The collector (5) is connected to the condensing section by means of a first overflow opening (8) and to the supercooling section by means of a second overflow opening (9) in such a way that a coolant can circulate. The downpipe (15) communicates with the first overflow opening (8), on the inlet side, by means of an inflow chamber (10) arranged in the collector (5).
F25D 17/04 - Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection
The invention relates to a blower wheel, especially a plastic blower wheel for a cylindrical rotor radial fan for the heating and air-conditioning systems of a motor vehicle. Said blower wheel comprises a plurality of blades (2), and the flow channel (3) between two blades (2) is embodied in such a way that it is convergent on the inflow side, divergent on the outflow side, and distinctively shaped.
The invention relates to a heat exchanger, in particular, an evaporator (1), in particular for a motor vehicle air-conditioner, with a number of closely arranged refrigerant tubes and at least one cold reservoir (4), in which a refrigerant medium is provided. The evaporator (1) comprises two parallel regions (1′ and 1″) running across the total width, the first region (V) corresponding to a conventional evaporator in design, the cold reservoir (4) being arranged in a separate second region (1″), through which at least a partial flow of refrigerant can flow which also flows through at least a part of the first region (1′) and the first and the second region are connected to each other by at least one overflow opening (13).
F25D 19/00 - Arrangement or mounting of refrigeration units with respect to devices
F28D 7/10 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
The invention relates to a heat exchanger for a motor vehicle, comprising a first flow path (1), a deflection region (13) located downstream of the first flow path (1) and a second flow path (2) that is located downstream of the deflection region (13). The first and second flow paths (1, 2) can be traversed by a fluid to be cooled and can be surrounded by a coolant to dissipate heat. The second flow path (2) has a flow resistance that differs from that of the first flow path (1).
F28F 13/00 - Arrangements for modifying heat transfer, e.g. increasing, decreasing
F28F 1/42 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
The invention relates to a heat exchanger (or a motor vehicle, comprising a first flow path (1) with a number of flow conduits (6) for conducting a fluid to be cooled, a deflection region (13), situated downstream of the first flow path (1) and a second flow path (2), situated downstream ol the deflection region (13). According to the invention, the flow conduits (6) of the first flow path (1) continue in the deflection region (13) and the second (low path (2) as continuous separate flow conduits (6). The invention also relates to a flow conduit (41, 41′, 61, 61′, 71, 71′, 81, 81′, 91, 91′) for a heat exchanger (30,40) for exchanging heat between a first fluid (31) and a second fluid (33). The aim of the invention is to guarantee an improved transfer of heat with a simultaneous acceptable pressure drop, whilst reducing the blocking risk.
F02B 47/08 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust gas
B60H 1/00 - Heating, cooling or ventilating devices
Apparatus for cooling electrical elements, comprising a heat sink (1, 101, 201) through which a coolant can flow, a plurality of electrical elements (2, 102, 202) which each have a bottom surface and a side surface, with the bottom surfaces being aligned essentially on one plane, with the heat sink (1, 101, 201) having at least one channel (4, 5, 104, 105, 204, 205) through which a coolant can flow and making thermal contact with the electrical elements (2, 102, 202), characterized in that the heat sink (1, 101, 202) extends essentially parallel to the plane of the bottom surfaces, with the channel (4, 5, 104, 105, 204, 205) in the heat sink having a profile which is matched to edges of the electrical elements (2, 102, 202).
H01M 10/663 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
B60H 1/00 - Heating, cooling or ventilating devices
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
H01M 10/6557 - Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
F28D 1/047 - 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 tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
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
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
12.
Conducting device including a corrugated fin for a heat exchanger
A conducting device, such as a corrugated fin, for a heat exchanger, has at least one surface with an increased microscopic roughness. A method increases the microscopic roughness of at least one surface of a conducting device such as a corrugated fin. A heat exchanger, such as an evaporator for an air-conditioning system of a motor vehicle, has tubes through which a medium flows and between which conducting devices are arranged, the conducting devices having a further medium, such as moist air, flowing around them.
The invention relates to a method for soldering components, in particular heat exchanger, in particular made of aluminum materials, aluminum alloys or wrought alloys, in a soldering furnace, in particular a continuous soldering furnace or a batch-type soldering furnace, which comprises a muffle, which is flushed with protective gas in order to create a protective atmosphere. In order to make the production of soldered components easier, during the soldering of the components the muffle is supplied with such a greatly increased amount of gas, in particular protective gas or reaction gas, that a low-oxygen protective atmosphere is created.
The invention relates to a method for producing a metal part. Said method comprises the steps of supplying a strand of metal material and applying a coating from a fluxing agent composition to a surface of the strand of material by means of an application device (1), said fluxing agent composition being applied to only a defined portion of the surface of the strand of material by means of the application device (1).
The invention relates to a heat exchanger, in particular an evaporator (1), with a plurality of refrigerant-carrying pipes (6, 7) which are arranged next to one another and end in at least one collecting vessel (9), and with at least one cold accumulator (4), in which a cold accumulating medium is provided, wherein the evaporator (1) has two regions arranged parallel to each other, a first region (1′) and a second region (1′), and the cold accumulator (4) is arranged in the second region (1′). In this case, the refrigerant-carrying pipes (6, 7) of the first and second regions (1′,1′) are arranged in line with one another and have a width corresponding to one another (b1, b2, b3), and the first and second regions (1′, 1′) have common, continuous corrugated rib.
F28D 7/10 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
Heat exchanger, in particular charge air cooler or exhaust gas cooler for an internal combustion engine of a motor vehicle and method for manufacturing it
The invention relates to a heat exchanger, in particular a charge air cooler or exhaust gas cooler for an internal combustion engine of a motor vehicle, having a first box (2), a second box (3) which is arranged spaced apart from this first box (2), and a plurality of pipes (12) by means of which the first box (2) and the second box (3) are fluidically connected. Furthermore, the heat exchanger has a chamber (6) through which a coolant can flow and which is arranged between the two boxes (2, 3) and through which a plurality or all of these pipes (12), by means of which the two boxes (2, 3) are fluidically connected, run. The base (10, 11) is provided with one or more through-openings (16) for receiving the pipes (12), and at least one base (10, 11) has a border (7) which points away from the pipes toward the outside and is provided with a first step (20) and a second step (21), wherein the border (7) is arranged essentially in the edge region of the base (10, 11), and the second step (22) is arranged in the region of the first step (20), radially offset from the first step (20).
Disclosed is a heat exchanger for a combustion engine, comprising a first connection zone (1, 102) for delivering a fluid that is to be cooled, at least some of said fluid being composed of exhaust gas of the combustion engine, a second connection zone (3, 103) for discharging the fluid, and an exchanger zone (2, 101, 104, 105) which is arranged between the first and the second connection zone relative to a flow path of the fluid. A coolant can flow around the exchanger zone (2, 101, 104, 105) while at least part of the heat exchanger is made of ferritic steel.
F02B 47/08 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust gas
F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
18.
Apparatus for conveying a cooling air flow having a cooling domes
An apparatus for conveying a cooling air flow for at least one motor vehicle heat exchanger has a fan frame, a fan wheel, a fan control unit, and a cooling body. The fan frame has a frame opening, which the fan wheel rotates within. The fan control unit is arranged in an edge region of the frame opening. The cooling body cools the fan control unit and has cooling domes. A first cooling dome is arranged entirely radially exterior to the frame opening and a second cooling dome is located partially radially within the frame opening and partially radially exterior to the frame opening. The first cooling dome exchanges heat with an auxiliary flow that flows radially exterior to the frame opening with respect to the center of the fan wheel when the fan wheel rotates.
B60H 1/00 - Heating, cooling or ventilating devices
F24H 3/06 - Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
19.
Actuating device and heating or air conditioning unit
The invention relates to an actuating device comprising an operating control for positioning actuating elements, in particular in a heating or air conditioning unit and to a heating or air conditioning unit, in particular of a motor vehicle, comprising an actuating device.
The invention relates to a condenser for an air-conditioning system, particularly for a motor vehicle, with vertically arranged tubes, through which a coolant can flow and which are connected to an upper and a lower horizontally arranged manifold whereby permitting the flow of coolant. The inventive condenser also comprises a collector parallelly arranged underneath the lower manifold and, via an inflow opening and an outflow opening, between which a separating device is placed, is connected to the manifold in a manner that permits the flow of coolant. The collector accommodates a filtering and/or drying device. The separating device has a suction device for, in essence, liquid coolant.
The invention relates to a frame part (10) for a tubular heat exchanger. The frame part (10) according to the invention is designed for being fastened (10) to a tubular body that is constituted of a number of parallel tubes through which a heat-exchange medium flows. The tubes run at both ends into a collecting tube which extends at an angle to the tubes. The tubular heat exchanger is provided with a frame part (10) on at least one of the sides of the tubular body that runs parallel to the tubes. Said frame part occludes the tubular heat exchanger from the exterior and can be at least indirectly linked with the collecting tubes. According to the invention, the frame part (10) has at least one predetermined breaking point (20). Said predetermined breaking point (20) is configured in such a mailer that, in the case of rupture, the frame part (10) is divided into two frame sections and that in the area of the predetermined breaking point (20) a frictional connection between the two otherwise separate frame sections is established.
F28D 1/02 - 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
22.
Added electrical heater for a heating system or air conditioner of a motor vehicle
The invention relates to an added electrical heater (1), especially for a heating system or air conditioner of a motor vehicle. A plurality of heating elements (2) are provided which are formed by PTC elements while being fitted with at least one electrically conducting coating (3).
A heat exchanger for an internal combustion engine includes a first flow channel; a second flow channel arranged adjacent to the first flow channel; a line separate from the second flow channel; and a valve channel in which an adjustable valve element is disposed. The valve channel is arranged upstream of the first and second flow channels and an inlet channel is arranged upstream of the valve channel in a flow direction of exhaust gas. The valve element includes a baffle plate, the baffle plate having an end portion that extends diagonally in the valve channel with respect to the flow axis of the first flow channel. The valve element includes a flap that is pivotably mounted at the end portion of the baffle plate such that the flap is pivotable about an axis that extends in a direction of a width of a common housing.
B60H 1/00 - Heating, cooling or ventilating devices
F01N 5/02 - Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F28D 7/02 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
F02B 47/08 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust gas
F16K 1/00 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
24.
Heat exchanger, in particular radiator for motor vehicles
The invention relates to a heat exchanger, in particular a radiator for motor vehicles, comprising a black consisting of tubes and ribs and a lower and upper collection chamber, the lower collection chamber having several chambers which are separated from one another by partitions and between which a fluidic connection can be established. If necessary, by means of a displaceable actuator via connection orifices (17, 18, 19) that are located in a connection channel (16). According to the invention, the actuator is configured as a piston (30) that can be displaced axially between an open and a closed position and the cross-sections of the connection channel (16) and the piston (30) taper from the exterior to the interior in the vicinity of the connection orifices (17, 18, 19).
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F01P 7/02 - Controlling of coolant flow the coolant being cooling-air
25.
Heat exchanger assembly for the front section of a motor vehicle
The invention relates to a heat exchanger assembly, in particular a radiator assembly for the front section of a motor vehicle, including a heat exchanger. The heat exchanger is configured in several parts in the form of heat exchanger elements, i.e. at least one primary heat exchanger and at least one secondary heat exchanger, and at least two of the heat exchanger elements can be displaced in relation to one another in the event of a crash.
A heat exchanger, especially an intercooler for a motor vehicle. The heat exchanger comprises a box, a chamber in which a flowing medium is distributed and/or accumulated, a bundle of tubes, tubes, a tube base, openings, a housing lid, two lateral walls, a stabilizing element, a first receiving element, a first transmission element, a second receiving element, a second transmission element, a force transducing element and a flow guide surface.
The invention relates to an air mixer vent (5), designed in particular for a motor vehicle air conditioning system (1). Said vent comprises an air deflector element (15), which is located on the air mixer vent (5) and protrudes from a surface of said vent (5), the latter (5) being configured as a partially cylindrical vent or having a curved cross-section in relation to the pivoting axis (6).
A device for cooling exhaust gas from an internal combustion engine comprises a plurality of flow ducts which are connected to an exhaust gas recirculation system of the internal combustion engine, a heat exchanger for a coolant to flow around the flow ducts in order to dissipate the exhaust gas heat, and an insert 7, 7′ which is arranged within at least one of the flow ducts. The insert 7, 7′ is in thermal contact with the flow duct such that the exhaust gas flows at least partially around the insert. The insert 7, 7′ has profiled fins 8, 8′, with profiles 9, 9′ which are successive in the flow direction of the exhaust gas being arranged so as to be laterally offset relative to one another.
F02B 47/08 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust gas
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28F 1/14 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
A charge intercooler for a motor vehicle includes a heat transfer block with tubes through which charge air flows, airboxes connected to the tubes that form a charge air inlet and a charge air outlet, and a movable body mounted in one of the airboxes for selectively blocking at least some of the tubes.
F01N 5/02 - Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F02B 33/00 - Engines characterised by provision of pumps for charging or scavenging
The invention relates to a heat exchanger (1), in particular, a gas cooler for a vehicle air-conditioning unit, comprising several flat tubes (2) arranged in two or more parallel rows, a collector tube (6), with one or more longitudinal separating walls (12), running along the longitudinal axis of the collector tube (6), dividing the collector tube (6) into two or more collector channels, whereby the collector tube (6) is embodied from two metal sheets (8) and openings (4) are provided in at least one of the metal sheets (8), for accommodating the ends of the flat tubes (2). Each longitudinal separating wall (12) is provided with tongue-like projections (14), arranged in grooves (16) in at least one of the metal sheets (8) and fixed on the outer side of the metal sheet (8).
The invention relates to a heat exchanger, especially a charge air cooler (5) for motor vehicles. Said heat exchanger comprises a heat exchange block which is constituted of flat tubes (6) having flat tube ends and ribs (7) and tube bottoms (8) having ventilation passages (9) in which the flat tube ends are received and welded together. The heat exchanger also comprises collecting tanks that can be placed on the tube bottoms (8) and means for deflecting the flow in the feed section of the flat tube ends. The inventive heat exchanger is characterized in that the means for deflecting flow (deflection means 2) and means for reinforcing the flat tube ends (reinforcing means) are configured as an integrated structural component (1).
The invention relates to a heat exchanger for motor vehicles, especially for utility vehicles. The heat exchanger can include a heat exchanger unit that includes tubes having tube ends and ribs disposed between the tubes, and collecting tanks disposed on both ends and produced by internal high pressure forming for introducing and discharging a medium. The collecting tanks can include bottoms with openings for receiving the tube ends, covers, and inlet and outlet tubes.
The invention relates to an air-conditioning device and to a method for the operation of an air-conditioning device. The aim of the invention is to improve current air-conditioning devices such that a desired level of temperature inside the motor vehicle changes as little as possible and the windows are kept mist-free. As a result, each bypass channel, which guides the heat exchanger to an air outlet channel, is associated with a mixing flap in order to control the warm air flow passing through the bypass channel.
The invention relates to a method for modifying piece surfaces consisting in bringing pieces into contact with at least one type of a modifying agent in such a way that the modification of the surface is carried out.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
B05D 1/02 - Processes for applying liquids or other fluent materials performed by spraying
The invention pertains to a stationary vehicle air conditioning system with a refrigerant circuit, in which at least one compressor circulates the refrigerant to at least two condensers. The at least one compressor may be powered by the vehicle's mechanical power, by an electrical source, or by a combination of these driving forces. Depending on desired operating characteristics, the condensers may be arranged in a series or parallel configuration. A second compressor also may be added, which second compressor may be powered by a source other than the mechanical energy of the vehicle's engine.
The invention pertains to a stationary vehicle air conditioning system with a refrigerant circuit, in which a compressor circulates refrigerant through a refrigerant circuit including at least one condenser. The one compressor may be powered by the vehicle's mechanical power, by an electrical source, or by a combination of these driving forces. Depending on desired operating characteristics, a plurality of condensers may be arranged in a series or parallel configuration within the circuit, and a second compressor also may be added, which second compressor may be powered by a source other than the mechanical energy of the vehicle's engine. A plurality of fans may be positioned and selectively operable to provide cooling air streams to one or more of the condensers, with the vehicle engine mechanically driving one fan and an electrical power source driving another fan. At minimum, at least one fan is provided to provide a cooling air stream to one or more condensers, wherein the fan is a hybrid drive unit that is capable of being driven through mechanical or electrical means.
The invention relates to an air conditioner for a motor vehicle, comprising a coolant circuit (1) that is provided with several heat-transferring devices through which a coolant can be directed, a heat-transferring device (12) also being part of a coolant circuit. Coolant is redirected from portions of the coolant circuit (1), which are shut down during heating, into a portion of the coolant circuit (1), which is active during heating, as required. Also disclosed is a method for operating such an air conditioner.
A heat exchanger, preferably an oil cooler (1) for a motor vehicle, comprises stacked flat tubes (2, 3, 4), which have tube ends with apertures for admitting and discharging oil, which flows through the flat tubes (2, 3, 4) in their longitudinal direction. The apertures of adjacent flat tubes (2, 3, 4) are in fluid communication with one another in order to form flow passages, and spacings are left between the flat tubes for a medium, in particular a cooling medium, to pass through. The flat tubes are designed as extruded multi-channel tubes.
A regulatable drive for a motor vehicle, in particular for a water pump in a motor vehicle, has a rotatably mounted shaft, on which is located a rotatably mounted drive member and a rotationally fixed driven member. Between the drive member and driven member, a coupling region is defined, which can receive a viscous fluid for selectively coupling the drive member and driven member. The regulatable drive includes at least one first and at least one second flow path, which connect a fluid storage space to the coupling region, and it has a device which can be varied in its position by means of at least one actuator and which varies at least one passage orifice of at least one of the flow paths.
F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
F04B 17/00 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors
A fluid friction clutch for a motor vehicle fan comprises at least one rotatably mounted shaft, a drive element firmly mounted on the shaft so as to rotate with it and a driven element rotatably mounted about the axis of the shaft. The drive element and driven element form a coupling region, which accommodates a viscous fluid. A fan member is connected to the outer region of the driven element by means of at least one partially plastic or plastic-encapsulated fixing ring arranged concentrically with respect to the axis of rotation.
F16D 35/02 - Fluid clutches in which the clutching is predominantly obtained by fluid adhesion with rotary working chambers and rotary reservoirs, e.g. in one coupling part
F04D 29/58 - Cooling; Heating; Diminishing heat transfer
42.
Method for producing a fan wheel and fan wheel produced by this method
A method for producing a fan wheel (1), in particular for a motor vehicle, which is produced by injection molding of a plastic provided with glass fibers, the casting compound being cast in via a ring or cone gate. Also disclosed is a fan wheel (1) produced by this method.
A motor vehicle air-conditioning system (1) has a standstill air-conditioning mode of operation for operating the motor vehicle air-conditioning system (1) in the event that the motor vehicle engine is at a standstill, using an auxiliary power supply (5). A generator (7) is provided which can be operated by means of the auxiliary power supply (5) when the motor vehicle engine is at a standstill and can alternately be operated as an electric motor (7′) in the event that a normal external electrical power supply (9) is available. A method for operating such a motor vehicle air-conditioning system (1) is also described.
patents
