Abstract

An inductive power transfer pad for inductive power transfer to a vehicle includes a stationary part and a movable part. The movable part is movable between a retracted state and an extended state. The movable part includes a primary winding structure and at least one inverter that is electrically connected to the primary winding structure.

IPC Classes  ?

• B60L 53/12 - Inductive energy transfer
• H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
• B60L 53/302 - Cooling of charging equipment

Abstract

A system and a method for determining a relative pose between a primary winding structure and a secondary winding structure of a system for inductive power transfer The invention relates to a system and a method for determining a relative pose between a primary winding structure and a secondary winding structure of a system for inductive power transfer, wherein a first relative pose is determined by at least a first radio direction finding system, wherein the first radio direction finding system comprises at least one transmitting device (8) and at least two receiving devices (5a, 5b) for receiving a position signal transmitted by the transmitting device (8), wherein the first relative pose is determined based on output values generated be the receiving devices (5a, 5b) upon reception of the position signal, wherein at least one motion value of the vehicle (7) is determined, wherein the first relative pose is determined using a model-based determination, wherein input values of the model-based determination are provided by the output values of the receiving devices (5a, 5b) and the at least one motion value.

IPC Classes  ?

• B60L 53/124 - Detection or removal of foreign bodies
• 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
• H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
• H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
• H02J 50/60 - Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
• H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment

Abstract

The invention relates to an inductive power transfer pad (10), in particular a power transfer pad (10) of a system for inductive power transfer to a vehicle, comprising a stationary part (14) and a movable part (12), wherein the movable part (12) is movable between a retracted state and an extended state, characterized in that the movable part (12) further comprises a primary winding structure (26) and at least one inverter (34) that is electrically connected to the primary winding structure (26). Further, the invention relates to a method for manufacturing such an inductive power transfer pad (10).

IPC Classes  ?

• B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
• B60L 53/122 - Circuits or methods for driving the primary coil, i.e. supplying electric power to the coil
• B60L 53/22 - Constructional details or arrangements of charging converters specially adapted for charging electric 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

Abstract

Inductive power transfer with reduced electromagnetic interactions within a conductor arrangement The invention relates to a conductor arrangement (90) for an inductive power transfer, the conductor arrangement (90) comprising at least three coils (92, 94) that are arranged along a longitudinal axis (LO) and that are formed of at least one conductor, wherein the conductor arrangement (90) comprises at least two winding heads (W) that are arranged opposite to one another and in which conductor sections of each of the coils (92, 94) extend along one another as well as along the longitudinal axis (LO), wherein, within at least one of the two winding heads (W), the conductor sections of a first and second coil (92) that extend along the longitudinal axis (LO) are arranged at a first distance (D1) to one another, the first distance (D1) being equal to or larger than zero, and the conductor section of the third coil (94) that extends along the longitudinal axis (LO) is arranged at second distances (D2) to said conductor sections of the first and second coil (92), the second distances (D2) being larger than the first distance (D1). Further, the invention relates to an inductive power transfer arrangement (100) and methods for providing conductor arrangements (90) for an inductive power transfer.

IPC Classes  ?

• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
• B60L 53/12 - 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
• B60M 7/00 - Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway

Abstract

An antenna arrangement and a method for operating an antenna arrangement The invention relates to an antenna arrangement, wherein the antenna arrangement (1) comprises a voltage source (3), a first inductive antenna element (L1), a second inductive antenna element (L2) and at least one capacitive element (C), wherein the voltage source (3) is electrically connected in parallel to a series connection of a first circuit section comprising at least the first inductive antenna element (L1) and a further circuit section comprising a parallel connection of a first subsection of the further circuit section comprising the at least one capacitive element (C) and a further subsection of the further circuit section comprising at least the second inductive antenna element (L2), and a method of operating an antenna arrangement.

IPC Classes  ?

• 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
• B60L 53/12 - Inductive energy transfer
• H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
• G01S 1/04 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves - Details

Abstract

The invention relates to a filter circuit arrangement, an electric vehicle and a method of operating an electric vehicle, comprising - a rectifier-sided high voltage terminal (RTH) and a rectifier-sided low voltage terminal (RTL), - a network-sided high voltage terminal (NTH) and a network-sided low voltage terminal (NTL), - a vehicle ground connecting terminal (VG), - a first virtual ground circuit section (VSG1), wherein the electrical connection of the network-sided high voltage terminal (NTH) to the rectifier-sided high voltage terminal (RTH) comprises at least one filter element of at least one filter circuit and the electrical connection of the network-sided high voltage terminal (NTH) to the first virtual ground section (VGS1) comprises at least a first resistive element (R1), wherein the electrical connection of the network-sided low voltage terminal (NTL) to the rectifier-sided low voltage terminal (RTL) comprises at least one filter element of at least one filter circuit and the electrical connection of the network-sided low voltage terminal (NTL) to the first virtual ground section (VGS1) comprises at least a second resistive element (R2), wherein the electrical connection of the first virtual ground section (VGS1) to the vehicle ground connecting terminal (VG) comprises at least a first capacitive element (C1).

IPC Classes  ?

• B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
• B60L 53/122 - Circuits or methods for driving the primary coil, i.e. supplying electric power to the coil
• B60L 53/22 - Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
• H02M 1/12 - Arrangements for reducing harmonics from ac input or output
• H02M 1/14 - Arrangements for reducing ripples from dc input or output
• H02M 1/15 - Arrangements for reducing ripples from dc input or output using active elements

Abstract

uvwuvwuvwuvww), wherein the phase shift is determined depending on the time difference between the voltage-specific reference time point and the current-specific reference time point.

IPC Classes  ?

• G01R 19/175 - Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero

Abstract

The invention relates to power transfer device (10) for inductively charging a water-bound vehicle (30), comprising: - a power transfer part (28) comprising a primary conductor arrangement (40); and - at least one connecting member (22) which has a first connecting portion (24) for connecting the power transfer device (10) to the surroundings and a second connecting portion (26) for connecting the connecting member (22) to the power transfer part (28); wherein the connecting member (22) has a least one resilient portion (23) that is configured to absorb shocks exerted onto the power transfer part (28). Further, the invention relates to a mooring area (12), comprising a respective power transfer device (10).

IPC Classes  ?

• B60L 53/12 - Inductive energy transfer
• 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

Abstract

The invention relates to an inductive power transfer device (10) for an inductive power transfer to a water-bound vehicle (60), with: - a power transfer part (12), comprising a primary conductor arrangement (54); and - a kinematic unit (14) for enabling a movement of the power transfer part (12); wherein the kinematic unit (14) comprises a linear guide (24) which is oriented so that, when the power transfer part (12) is displaced along a path (28) defined by the linear guide (24), a position of the power transfer part (12) along a vertical spatial axis (Z) is altered. Further, the invention relates to a system (1) for an inductive power transfer to a water-bound vehicle (60) and a method for operating an inductive power transfer device (10).

IPC Classes  ?

• B60L 53/12 - Inductive energy transfer
• 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

Abstract

Stationary part (1) for an inductive power transfer pad (34), comprising an electronic section (2), comprising an electronic housing (10), a receiving section (3) for a movable part (33) of the inductive power transfer pad (34), a cooling channel (4), predominantly or solely running through the receiving section (3), and having a first end (11) and a second end (12), the first end (11) and the second end (12) both being connected to an interior of the electronic housing (10), a first fan (19), which is placed within the cooling channel (4) or at the first or second end (12), or beneath the first or second end (12), of the cooling channel (4), wherein, when the fan (19) is in operation, air from the interior of the electronic housing (10) can be transported through the cooling channel (4), heat can be transferred from the air to a structural member (5) of the receiving section (3), so that the air cools down, and cooled-down air can be transported back to the interior of the housing.

IPC Classes  ?

• B60L 53/12 - Inductive energy transfer
• 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 53/302 - Cooling of charging equipment

Abstract

The invention relates to an inductive power transfer pad (10), comprising a conductor arrangement (36) for generating or receiving an electromagnetic field during an inductive power transfer and an airflow generating system (37) that is configured to generate an airflow (22) during an inductive power transfer, said airflow (22) being directed into the surroundings of the inductive power transfer pad (10). Further, the invention relates to an arrangement (11) for an inductive power transfer and a method for cooling an inductive power transfer pad (10).

IPC Classes  ?

• B60L 53/10 - Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
• B60L 53/30 - Constructional details of charging stations
• B60L 53/302 - Cooling of charging equipment

Abstract

The invention relates to a conductor arrangement a conductor arrangement (5) for an inductive power transfer, wherein a conductor (10) is arranged so as to form at least a first and a second subwinding (1, 2) that are arranged next to one another, such that at least one conductor segment of each of the first and second subwinding (1, 2) run alongside one another in a first conductor bundle (22) of the conductor arrangement (5), wherein in said first conductor bundle (22), the first subwinding (1) and the second subwinding (2) are connected to one another via a first connecting conductor segment (26) that crosses at least one further conductor segment (29) of the conductor arrangement (5). Further, the invention relates to a system (100) for an inductive power transfer comprising at least two respective conductor arrangements (5)

IPC Classes  ?

• H01F 27/38 - Auxiliary core members; Auxiliary coils or windings
• B60L 53/12 - Inductive energy transfer
• H01F 38/14 - Inductive couplings

Abstract

The invention relates to a method of manufacturing a winding structure unit (1) of a primary unit or a secondary unit of a system for inductive power transfer, in particular to a vehicle, and a winding structure unit (1), wherein -a casting mold is provided, - at least one electric line (2) is arranged within the casting mold, - at least one additional element is arranged within the casting mold, - a casting material (7, 8) is casted into the casting mold.

IPC Classes  ?

• H01F 27/02 - Casings
• H01F 27/32 - Insulating of coils, windings, or parts thereof
• H01F 38/14 - Inductive couplings
• H01F 41/00 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
• H01F 41/12 - Insulating of windings
• H01F 27/28 - Coils; Windings; Conductive connections
• H01F 27/30 - Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support

Abstract

The invention relates to a movable part of a device for inductive energy transmission and to a device for inductive energy transmission, wherein the movable part (1) has or forms a receiving volume (4) for accommodating at least one winding structure (5) for generating an electromagnetic field, wherein the movable part (1) has at least one insertion section (7) for introducing at least one electrical line (8) into the receiving volume, wherein at least one closure element (12) for sealing the receiving volume (4) is arranged in the insertion section (7).

IPC Classes  ?

• B60L 53/12 - Inductive energy transfer
• 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

Abstract

The invention relates to a device for inductive energy transfer and to a stationary part of a device of this kind, and to a method for producing a stationary part, wherein: the stationary part (1) comprises a base part (3); the stationary part (1) has a bellows (7), which are fastened to the base part (3); the stationary part has at least one through-opening (10, 11, 18); the at least one through-opening (10, 11, 18) is arranged in a region of the base part (3) surrounded by the bellows (7) or in a region outside the region of the base part (3) surrounded by the bellows (7); a through-opening (10, 11, 18) is arranged in a base surface of the base part (3) or extends through the base surface of the base part (3).

IPC Classes  ?

• B60L 53/30 - Constructional details of charging stations
• B60L 53/12 - Inductive energy transfer
• H02G 9/10 - Installations of electric cables or lines in or on the ground or water in cable chambers, e.g. in manhole or in handhole
• B29C 45/26 - Moulds
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor

Abstract

The invention relates to a system for determining a relative pose between a primary winding structure (18) and a secondary winding structure (21) of a system (2) for inductive power transfer, wherein the system comprises at least a first pose determining means for determining a relative pose, wherein the relative pose is determinable by the first pose determining means, wherein the system comprises at least one correcting means for correcting the pose determination by the first pose determining means, wherein a correction of the pose determination is adjustable.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

Inductive power transfer pad (1; 100), in particular of a system for inductive power transfer to a vehicle, comprising a stationary part (2) a movable part (3), which in a resting position rests on the stationary part (2) and which is movable in Z-direction (Z) relatively to the stationary part (2) upwards in order to reach a higher position, wherein the stationary part (2) comprises a frame (4), surrounding the stationary part (2) at least three sides, the frame (4) having at an upper edge (5) which is oriented towards the movable part (3), the upper edge (5) has at least one first supporting surface (6, 7, 14) on which the movable part (3) rests when it is in the resting position, the at least one supporting-surface on the upper edge (5) is an inclined surface the movable part (3) comprises at least one first contacting surface (17, 18, 19) which contacts the at least one first supporting surface (6, 7, 14) when the movable part (3) is in the resting position, wherein the first contacting surface (17, 18, 19) fits to the first supporting surface (6, 7, 14).

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• 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 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power

Abstract

The invention relates to an electronic unit and a method of manufacturing an electronic unit (1), wherein the unit (1) comprises at least electronic component, wherein the unit (1) comprises at least one housing (2) for the at least one electronic component (4, 5, 6, 7) of the unit (1), wherein the unit (1) comprises at least one auxiliary power supply line (8), wherein the unit (1) further comprises an RCD switch element (12), wherein the at least one auxiliary power supply line (8) is fitted with the RCD switch element (12) and at least one exposed section (19) in such a manner that the RCD switch element (12) triggers when the at least one exposed section (19) of the auxiliary power supply line (8) is exposed to a conductive fluid, wherein the at least one exposed section (19) is arranged in a fluid collection volume of the housing.

IPC Classes  ?

• G08B 21/20 - Status alarms responsive to moisture
• H01H 35/42 - Switches operated by change of humidity
• H02H 5/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays

Abstract

The invention relates to a voltage-controllable capacitive device, wherein the capacitive device (1) comprises a first dielectric material (2) and at least one further dielectric material (3), wherein at least the permittivity of the first dielectric material (2) is DC voltage-dependent, wherein a voltage dependence of the permittivity of the first dielectric material (2) is different from a voltage dependence of the permittivity of the further dielectric material (3), wherein the device (1) further comprises at least one voltage providing means (5) for providing a DC voltage to the first dielectric material (2).

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01G 7/06 - Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture having a dielectric selected for the variation of its permitivity with applied voltage, i.e. ferroelectric capacitors
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type

Abstract

The invention relates to a receiving device for a system for inductive power transmission, wherein the receiving device (1) comprises a housing, the housing comprises a cover part (2) and a base part (3) as housing parts, and the housing has an internal volume for receiving at least one winding structure (12), characterized in that one of the housing parts has at least one rib (16) and the other housing part has at least one groove (15) for receiving the at least one rib (16). The at least one rib (16) and the at least one groove (15) are arranged between the internal volume and an external volume, the receiving device (1) comprises at least one sealing element (38), and at least one portion of the at least one rib (16) and at least one portion of the at least one sealing element (38) are arranged in at least one portion of the at least one groove (38). The invention further relates to a method for production.

IPC Classes  ?

• H01F 38/14 - Inductive couplings
• H01F 27/02 - Casings
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• F16J 15/02 - Sealings between relatively-stationary surfaces
• G12B 9/02 - Casings; Housings; Cabinets
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
• H05K 5/04 - Metal casings

Abstract

The invention relates to a receiving device for a system for inductive power transmission, wherein the receiving device (1) comprises a housing and said housing comprises, as housing parts, a cover part (2) and a base part (3). The housing has an internal volume for receiving at least one winding structure (12), and at least one of the housing parts has at least one heat sink on an outer surface. The invention also relates to a method for producing the receiving device.

IPC Classes  ?

• H01F 38/14 - Inductive couplings
• H01F 27/02 - Casings
• H01F 27/22 - Cooling by heat conduction through solid or powdered fillings

Abstract

A receiving device of a system for inductive power transfer, wherein the receiving device comprises a housing, wherein the housing comprises a cover element and a base element, wherein the receiving device has at least one reception area for a circuit board, wherein the receiving device comprises at least one magnetic shielding element, characterized in that the at least one magnetic shielding element covers the at least one reception area of the cover element at least partially.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates secondary-sided arrangement (3) of at least one secondary winding structure (W), wherein the secondary-sided arrangement (3) comprises at least one phase line and one secondary winding structure (W) per phase line, wherein the secondary-sided arrangement comprises at least two magnetically conducting elements (5, 5a, 5b, 5c, 5d, 5e), wherein the secondary-sided arrangement comprises at least one lateral outer magnetically conducting element (5a, 5d, 5e, 5f) and at least one inner magnetically conducting element (5b, 5c), wherein a width of the at least one lateral outer magnetically conducting element (5a, 5d) is larger than a width of the at least one inner magnetically conducting element (5b, c) and/or a length (L_5b, L_5e) of the at least one inner magnetically conducting element (5b, 5e) is smaller than a length (L_5a, L_5f) of the at least one lateral outer magnetically conducting element (5a, 5f) and a method for manufacturing such a secondary-sided arrangement (3).

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01F 38/14 - Inductive couplings
• H01F 3/10 - Composite arrangements of magnetic circuits
• H01F 27/36 - Electric or magnetic shields or screens

Abstract

A method and a device for determining a switching current of at least one switching element (6) of a converter (5) of a system for inductive power transfer, wherein the method comprises the steps of - determine a phase current (IU, IV, IW) of at least one AC phase line of the converter (5), - determine at least one switching time point (SP, SP1, SP2, SP3) of the at least one switching element (6) and the phase current value at said switching time point (SP, SP1, SP2, SP3), - determine switching current of the at least one switching element (6) depending on the at least one phase current value as well as a method for controlling an operation of at least one switching element (6).

IPC Classes  ?

• G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• G01R 31/26 - Testing of individual semiconductor devices

Abstract

The invention relates to an arrangement (1) of a first slab assembly (2, 2a) and at least one further slab assembly (2, 2b, 2c), wherein each slab assembly (2, 2a, 2b, 2c) comprises a cable bearing element (20) and a section of at least one electric line (3a, 3b, 3c), wherein the at least one electric line (3a, 3b, 3c) extends from the first to the further slab assembly (2, 2a, 2b, 2c), wherein a length of the section of the at least one electric line (3a, 3b, 3c) between the first and the further slab assembly (2, 2a, 2b, 2c) is larger than zero, wherein the first and the further slab assembly (2, 2a, 2b, 2c) are foldably connected by the at least one electric line (3a, 3b, 3c).

IPC Classes  ?

• B60M 7/00 - Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway

Abstract

The invention relates to a method of manufacturing an arrangement for transferring energy from a primary unit conductor arrangement (18; 28) by a magnetic or an electromagnetic field to a secondary unit conductor arrangement (11) in which the field induces an electric voltage, wherein the method comprises the steps: • arranging a conductor arrangement selected from the primary unit conductor arrangement (18; 28) and the secondary unit conductor arrangement in a first layer (19) of the arrangement and • providing a second layer (21; 23), so that the second layer (21; 23) is located on a back side of the first layer (19) opposite to a front side of the first layer (19) on which the magnetic or electromagnetic field is transferred or received during operation, wherein the second layer (21; 23) is made of a constituent material, comprising magnetic and/or magnetizable particles dispersed within the constituent material and wherein the magnetic or magnetizable particles are moved with respect to their positions and/or orientations within the constituent material before the constituent material is hard and the movement is caused by a magnetic field.

IPC Classes  ?

• H01F 38/14 - Inductive couplings
• H01F 27/36 - Electric or magnetic shields or screens

Abstract

The invention relates to a cable bearing arrangement (1) for a winding structure of system for inductive power transfer, wherein the winding structure has at least a first cable (C, C1), wherein the cable bearing arrangement comprises or provides at least one cable guiding means for holding at least the first cable (C, C1), wherein the cable bearing arrangement (1) is provided by a cable chain, wherein the cable chain can adopt an unrolled state and a rolled-up state and a method of installing a cable bearing arrangement.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02G 11/00 - Arrangements of electric cables or lines between relatively-movable parts

Abstract

The invention relates to a secondary unit of a system for inductive power transfer to a vehicle (2), wherein the secondary unit (1) comprises at least one secondary-sided means for executing generic functions, wherein the secondary unit (1) comprises at least one vehicle-specific state management means, wherein an execution of the generic functions is controllable by the at least one state management means.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The invention relates to a system and a method for detecting an authorized secondary unit (4) in a system (2) for inductive power transfer, wherein the system comprises at least one means (11) for providing a short circuit of the secondary winding structure (10), wherein the system comprises at least one primary-sided system for detecting the short circuit of a secondary winding structure (10), wherein an authorized secondary unit (4) is detectable if a short circuit of the secondary winding structure (10) is detected.

IPC Classes  ?

• 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

Abstract

An inductive power transfer pad, system for inductive transfer and method of operating an inductive power transfer pad The invention relates to an inductive power transfer pad, in particular a power transfer pad (1) of a system for inductive power transfer to a vehicle, comprising a stationary part (2) and a movable part (3), wherein the stationary part (2) has a bottom surface (4), wherein the movable part (3) has an upper surface (7), wherein the movable part (3) is movable between a retracted state and an extended state, wherein at least a portion of the upper surface (7) is inclined with respect to the bottom surface (4) in the retracted state of the movable part (3). The invention further relates to a method of operating an inductive power transfer pad and an inductive power transfer system.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates to a receiving device (3) for receiving an electromagnetic field and for producing an alternating electric current by magnetic induction, in particular for generating electric energy for operating a vehicle, and the receiving device (3) comprising: - at least one electric phase line (13) for carrying a phase of the alternating electric current, wherein sections of the electric phase line (13) form inductances that produce an alternating electric voltage by magnetic induction during operation of the receiving device (3), - a first electric connection (19) being connected or connectable to at least one first connection point of the at least one electric phase line (13) for connecting the at least one electric phase line (13) to a first electric load (7), wherein the first electric connection (19) and the section or sections of the at least one electric phase line (13) which can be connected via the first electric connection (19) to the first electric load (7) form a first electric circuit having a first resonance frequency defined by the inductance or inductances of the section or sections and by at least one capacitance of the at least one electric phase line (13) and/or the first electric connection (19), - a second electric connection (29) being connected or connectable to at least one second connection point of the at least one electric phase line (13) for connecting the at least one electric phase line (13) to the first electric load (7) and/or to a second electric load, wherein the second electric connection (29) and the section or sections of the at least one electric phase line (13) which can be connected via the second electric connection (29) to the first electric load (7) and/or to the second electric load form a second electric circuit having a second resonance frequency defined by the inductance or inductances of the section or sections and by at least one capacitance of the at least one electric phase line (13) and/or the second electric connection (29), wherein the first electric circuit and the second electric circuit comprise different sets of in each case at least one section of the at least one electric phase line (13), so that a first total inductance of the first electric circuit differs from a second total inductance of the second electric circuit and, thereby, the first resonance frequency differs from the second resonance frequency.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The invention relates to an inductive power transfer unit having a winding unit for inductive power transfer during a power transfer operation, flux guiding means, and an antenna element. It is an objective of the invention to provide for at least one additional antenna element at reduced costs and preferably with only little additional space required to install the additional antenna element and it is another objective of the invention to prevent damage to the antenna element during the power transfer operation. These problems are solved by providing an inductive power transfer unit (2, 3) wherein the antenna element (10) is arranged with the flux guiding means (6) for generating or receiving an antenna signal (50) during an auxiliary operation, wherein a compensation element (20) is arranged, such that the compensation element (20) compensates for an induced voltage and/or induced current in the antenna element (10) during the power transfer operation.

IPC Classes  ?

• H01F 38/14 - Inductive couplings
• H04B 5/00 - Near-field transmission systems, e.g. inductive loop type
• H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material

Abstract

The invention relates to an inductive power transfer unit, wherein the inductive power transfer unit (1) comprises at least one winding structure (2) and at least one flux guiding means, wherein the inductive power transfer unit (1) further comprises at least one antenna element (10), wherein at least one portion of the at least one flux guiding means is a part of the antenna element (10). The invention further relates to a system for inductive power transfer and a method of communicating.

IPC Classes  ?

• H01F 38/14 - Inductive couplings
• H04B 5/00 - Near-field transmission systems, e.g. inductive loop type
• H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material

Abstract

The invention relates to an arrangement (11, 21, 41) for transferring electric energy to a vehicle, in particular to a track bound vehicle such as a light rail vehicle (81 ) or to a road automobile, wherein - the arrangement (11, 21, 41) comprises an electric conductor arrangement (41 ) for producing an alternating electromagnetic field and for thereby transferring the energy, - the conductor arrangement (41 ) comprises a plurality of consecutive segments (T1, T2, T3, T4, T5), wherein the segments (T1, T2, T3, T4, T5) extend in the direction of travel of the vehicle, - each of the consecutive segments (T1, T2, T3, T4, T5) comprises at least one alternating current line (44a, 44b, 44c) for carrying a phase of an alternating current in order to produce the alternating electromagnetic field, - each of the consecutive segments (T1, T2, T3, T4, T5) is combined with an assigned controller (CTR1; 31) adapted to control the operation of the segment (T1, T2, T3, T4, T5) independently of the other segments (T1, T2, T3, T4, T5), - at least two neighbouring segments (41a, 41b) of the consecutive segments (T1, T2, T3, T4, T5) are inductively coupled to each other so that a first segment (41b) of the neighbouring segments (41a, 41b), while the first segment (41b) is operated under control of its assigned controller (CTR1; 31), induces a voltage and thereby produces an induced alternating electric current in a second segment (41a) of the neighbouring segments (41a, 41b), if the second segment (41a) is not operated under control of its assigned controller (CTR1; 31), - the arrangement (11, 21, 41) comprises a controllable coupling (S1) for coupling the second segment (41a) to a load (RL; F1, S1; 105), which controllable coupling (S1) has a first operating state in which the second segment (41a) is coupled to the load (RL; F1, S1; 105) so that any alternating electric current in the second segment (41a) is damped by the load (RL; F1, S1; 105), and has a second operating state in which the second segment (41a) is not coupled to the load (RL; F1, S1; 105) so that any alternating electric current in the second segment (41a) is not damped by the load (F1, S1; 105), - the arrangement (11, 21, 41) is adapted to switch the controllable coupling (S1) to the first operating state before, while and/or after a time interval starts in which the second segment (41a) is not operated under control of its assigned controller (CTR1; 31) and in which the first segment (41b) is operated under control of its assigned controller (CTR1; 31) so that the induced alternating electric current in the second segment (41a), which is produced by operation of the first segment (41b), is damped by the load (F1, S1; 105).

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• E01B 25/30 - Tracks for magnetic suspension or levitation vehicles

Abstract

The invention relates to a system for determining a relative position and/or orientation between a primary winding structure (18) and a secondary winding structure (21) of a system (2) for inductive power transfer, wherein the system (1) comprises at least one secondary-sided transmitting unit, wherein a positioning signal (PS) with a positioning frequency is transmittable by the secondary-sided transmitting unit, wherein the system comprises at least one primary-sided receiving unit, wherein a signal portion of the received signal with the positioning frequency is determinable, wherein the relative position and/or orientation is determinable depending on the determined signal portion and the invention relates to a method for determining a relative position and/or orientation between a primary winding structure (18) and a secondary winding structure (21) of a system (2) for inductive power transfer.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• 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 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices

Abstract

The invention relates to an inductive power transfer pad, in particular a transfer pad of a system for inductive power transfer to a vehicle, comprising a stationary part (2) and a movable part (7), wherein the movable part (7) comprises a primary winding structure (8), wherein the inductive power transfer pad (1) comprises at least one actuating means, wherein the movable part (7) is movable at least in a vertical direction (z) by the at least one actuating means, wherein the at least one actuating means is provided by a shape memory alloy actor (6), and a method of operating an inductive power transfer pad (1).

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01F 38/14 - Inductive couplings
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates to an inductive power transfer pad (1), in particular a transfer pad of a system for inductive power transfer to a vehicle, comprising a stationary part (2) and a movable part (3), wherein the movable part (3) comprises a primary winding structure (4), wherein the inductive power transfer pad (1) comprises at least one actuating means, wherein the movable part (3) is movable at least in a first direction (z) by the at least one actuating means, wherein the inductive power transfer pad (1) comprises a scissor lift means, wherein the movable part (3) and the stationary part (2) are coupled by the scissor lift means, wherein a scissor arrangement (7a, 7b) of the scissor lift means is coupled to the stationary part (2) by at least one fixed bearing (10), wherein the scissor arrangement (7a, 7b) is coupled to the movable part (3) by at least one floating bearing (11), and a method of operating an inductive power transfer pad (1).

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• B66F 7/06 - Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
• B65G 29/02 - Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones for inclined or vertical transit

Abstract

The invention relates to a primary-sided arrangement (1) of primary winding structures (W1, W2, W3) of a system for inductive power transfer, wherein the primary-sided arrangement (1) comprises at least three phase lines and at least one winding structure (W1, W2, W3) per phase line, wherein each winding structure (W1, W2, W3) comprises at least one subwinding structure (SW1 _1,..., SW3_3), wherein the winding structures (W1, W2, W3) extend along a longitudinal axis (x) of the primary-sided arrangement (1), wherein a pitch (P12 _1,..., P32 3) between corresponding subwinding structures (SW1_1,..., SW3_3) of the winding structures (W1, W2, W3) varies along the longitudinal axis (x) and/or a length (L_SW1_1,..., L_SW1_3) of the subwinding structures (SW1_1,..., SW3_3) of the winding structures (W1, W2, W3) varies along the longitudinal axis (x). The invention further relates to a system for inductive power transfer, to a method of manufacturing a primary-sided arrangement (1) and to a method for inductively supplying power to a vehicle.

IPC Classes  ?

• H01F 38/14 - Inductive couplings
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling

Abstract

The invention relates to a primary-sided arrangement (1) of primary winding structures (W1, W2, W3) of a system for inductive power transfer, wherein the primary-sided arrangement (1) comprises at least three phase lines and at least one winding structure (W1, W2, W3) per phase line, wherein each winding structure (W1, W2, W3) comprises at least one subwinding structure (SW1_1,..., SW3_3), wherein the winding structures (W1, W2, W3) extend along a longitudinal axis (x) of the primary-sided arrangement (1), wherein a pitch (P12) between corresponding subwinding structures (SW1_1,...,SW3_2) of a first winding structure (W1) and a second winding structure (W2) is chosen from an interval of ]0,1[ of a length of one subwinding structure, wherein a pitch (P13) between corresponding subwinding structures (SW1_1,...,SW3_3) of the first winding structure (W1) and the third winding structure (W3) is smaller than the pitch (P12) between corresponding subwinding structures (S0W1_1,...,SW3_2) of the first winding structure (W1) and the second winding structure (W2). The invention further relates to a system for inductive power transfer and to a method for inductively supplying power to a vehicle.

IPC Classes  ?

• H01F 38/14 - Inductive couplings
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling

Abstract

The invention relates to an arrangement for transferring energy to a vehicle (1) by generating a magnetic field and by inducing an electric voltage in a receiving device (4) of the vehicle (1), the arrangement comprising: - a plurality of generating devices (T1, 12, 13, 14, 15, 16) for generating the magnetic field, - a control connected to the generating devices (T1, 12, 13, 14, 15, 16), the control (15) being adapted to control operation of each of the generating devices (T1, 12, 13, 14, 15, 16) individually and separately from the other generating devices (T1, 12, 13, 14, 15, 16), wherein the plurality of generating devices (T1, 12, 13, 14, 15, 16) is arranged one after the other in a sequence along a path of travel for the vehicle (1), wherein a first generating device (T2) of the plurality of generating devices (T1, 12, 13, 14, 15, 16) is located at a vehicle stop location, where the path of travel is designed for a stopping vehicle (1), so that the stopping vehicle (1) can be provided with magnetic field energy generated by the first generating device (T2), wherein at least one second generating device (T1, T3, T4, T5) of the plurality of generating devices (T1, 12, 13, 14, 15, 16) is arranged along an acceleration section of the path of travel, where the vehicle (1) may decelerate in order to stop at the vehicle stop location or where the vehicle (1) may accelerate in order to depart from the vehicle stop location.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

A circuit arrangement for a system for inductive power transfer and a method of operating a circuit arrangement, wherein the circuit arrangement (1 ) comprises at least one winding structure (1 ) with a first and at least one other subwinding structure (2a, 2b), wherein the subwinding structures (2a, 2b) are operatable in a first operational mode and a second operational mode, wherein an unipolar alternating electromagnetic field is providable in the first operational mode and a multipolar electromagnetic field is providable in the second operational mode.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01F 27/38 - Auxiliary core members; Auxiliary coils or windings
• H01F 38/14 - Inductive couplings
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates to a winding structure of a system for inductive power transfer, wherein the winding structure (6) comprises a main winding structure with a first sub- winding (2a) and at least another sub-winding (2b), wherein the first sub-winding (2a) generates or receives a first portion of a main electromagnetic field and the at least one other sub-winding (2b) generates or receives another portion of the main electromagnetic field, wherein the winding structure (6) comprises at least one additional winding structure (5a, 5b, 5c, 5d), wherein the at least one additional winding structure (5a, 5b, 5c, 5d) is arranged asymmetric with respect to the first and the other sub-winding (2a, 2b). Further, the invention relates to a method of operating a winding structure (6) of a system for inductive power transfer and such a system for inductive power transfer.

IPC Classes  ?

• H01F 27/38 - Auxiliary core members; Auxiliary coils or windings
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01F 38/14 - Inductive couplings
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates to a power transfer unit of a system for inductive power transfer, wherein the power transfer unit comprises a winding structure (1), wherein the power transfer unit further comprises at least one flux guiding means (3) for guiding a magnetic flux of the electromagnetic field, wherein the at least one flux guiding means comprises or provides at least one low reluctance section with a first reluctance and at least one high reluctance section with another reluctance, wherein the other reluctance is higher than the first reluctance. Furthermore, the invention relates to a method of manufacturing a power transfer unit and to a method of operating a power transfer unit.

IPC Classes  ?

• H01F 38/14 - Inductive couplings

Abstract

The invention relates to a device and a method for adjusting an inductance of at least one electric conductor (2), wherein the device (1 ) comprises an adjustment arrangement (3) with a first magnetically conductive element and at least a second magnetically conductive element, wherein the adjustment arrangement comprises at least a first spacer element (6), wherein the at least first spacer element (6) is arranged in between the first magnetically conductive element and the second magnetically conductive element.

IPC Classes  ?

• H01F 17/06 - Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
• H01F 27/06 - Mounting, supporting, or suspending transformers, reactors, or choke coils
• H01F 3/14 - Constrictions; Gaps, e.g. air-gaps
• H01F 27/26 - Fastening parts of the core together; Fastening or mounting the core on casing or support

Abstract

The invention relates to a method of operating an inductive power transfer system (1) for transferring power to a vehicle, wherein the inductive power transfer system (1) comprises a primary winding structure for generating an alternating electromagnetic field and a secondary winding structure for receiving the alternating electromagnetic field and generating an alternating current output voltage, wherein the alternating current output voltage is rectified and supplied to at least one energy storage element (12), wherein the rectified output voltage (Uc) is adjusted by varying a gap size of a gap between the primary winding structure and the secondary winding structure, wherein the gap size is adjusted to prepare and/or to initiate and/or to control an energy transfer process depending on charging characteristics of the at least one energy storage element (12). Furthermore, the invention relates to an inductive power transfer system for transferring energy to a vehicle.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates to a method of and control system for operating a circuit arrangement, in particular a circuit arrangement (1) of an electric vehicle for inductive power transfer to the vehicle, wherein the circuit arrangement (1) comprises at least one phase line with at least one field receiving arrangement (2) and at least one compensating arrangement (CV) with a variable reactance, wherein at least one current-dependent cost function is evaluated, wherein the reactance is varied such that the cost function optimized.

IPC Classes  ?

• B60L 5/00 - Current-collectors for power supply lines of electrically-propelled vehicles
• B60M 7/00 - Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway

Abstract

The invention relates to a receiving device (200) for receiving a magnetic field and for producing electric energy by magnetic induction, in particular for use by a vehicle, wherein − the receiving device (200) comprises at least one coil (131) of at least one electric line and wherein the magnetic field induces an electric voltage in the at least one coil (131) during operation, − the receiving device (200) and the at least one coil (131) are adapted to receive the magnetic field from a receiving side of the receiving device (200), − the receiving device (200) comprises a first field shaping arrangement (185) comprising magnetizable material adapted to shape magnetic field lines of the magnetic field, − the first field shaping arrangement (185) is placed behind the at least one coil (131), if viewed from the receiving side of the receiving device (200), − the receiving device (200) comprises a capacitor arrangement (211) comprising at least one capacitor (115), which is electrically connected to the at least one coil (131), − the capacitor arrangement (211) is placed behind the first field shaping arrangement (185), if viewed from the receiving side of the receiving device (200), − the receiving device (200) comprises a first cooling structure (181) comprising conduits for guiding a flow of a cooling fluid in order to cool the receiving device (200), − the first cooling structure (181) is placed in between the first field shaping arrangement (185) and the capacitor arrangement (211).

IPC Classes  ?

• H01F 27/10 - Liquid cooling
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01F 27/28 - Coils; Windings; Conductive connections
• H01F 38/14 - Inductive couplings

Abstract

The invention relates to method of detecting an arrangement comprising a primary unit (7) of an inductive power transfer system (5) and/or a secondary unit (34) of the inductive power transfer system (5), the method comprising: - using a detector device (31) to detect the arrangement, the detector device (31) comprising at least one electrical conductor, - determining at least one electrical property of the detector device (31) and generating determination results consisting of a determination result for each of different regions of the arrangement, - comparing the determination results with existing information about the arrangement to be detected, wherein the existing information includes information about expected values for the different regions of the arrangement, thereby generating a comparison result, - deciding from the comparison result whether the determination results indicate that the detector device (31) has detected the arrangement as expected.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates to a housing for at least one object detection device (3) of a system for inductive power transfer, in particular to a vehicle, wherein the housing comprises at least a top element and at least one bottom element, wherein the top and the bottom element are made of a non-metallic material, wherein at least a part of the object detection device (3) is arrangeable in between the bottom and the top element. Further, the inventions relates to a primary unit and a pavement slab assembly (1).

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01F 38/14 - Inductive couplings
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks

Abstract

The invention relates to a method and an apparatus for detecting at least one interfering body in a system for inductive energy transmission, wherein the system for inductive energy transmission comprises at least one primary coil unit (18) for generating at least part of an electromagnetic power transmission field, wherein the apparatus comprises at least one interfering body detector means (48, 25, 50), wherein the at least one interfering body detector means (48, 25, 50) comprises at least one field coil means (12) for generating an excitation field and at least one detector coil means (14) which is assigned to the at least one field coil means (12), wherein the apparatus comprises at least one evaluation means (25) for detecting a state of coupling between the at least one field coil means (12) and the at least one detector coil means (14) and/or for detecting a change in the state of coupling, wherein the interfering body is detectable depending on the state of coupling and/or the change in the state of coupling, wherein the apparatus comprises at least one compensation means (16) for taking into consideration an electromagnetic influence of the primary coil unit (18) and/or the secondary coil unit (38) on the state of coupling between the at least one field coil means (12) and the at least one detector coil means (14), and to a system for inductive energy transmission.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates to a system for inductive power transfer to vehicles driving or standing on a surface of a route, in particular to road automobiles, wherein the system comprises a primary winding structure for generating an alternating electromagnetic field, wherein a field volume (FV) is assigned to the primary winding structure, wherein the system comprises at least a part of a first heating system (12), wherein elements of the first heating system (12) which are arranged within the field volume (FV) are non-metallic elements. Further, the inventions relates to a pavement slab assembly and a method of operating a system for inductive power transfer.

IPC Classes  ?

• B60M 7/00 - Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
• E01H 5/10 - Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice by application of heat

Abstract

The invention relates to an object detection system for an inductive power transfer system, in particular for transferring power to a vehicle (1) on a surface (2) of a route (3), wherein the inductive power transfer system comprises a primary winding structure and a secondary winding structure, wherein a charging volume (CV) is assigned to the inductive power transfer system during inductive power transfer, wherein the object detection system comprises at least one sensing device, wherein the sensing device has a detection volume (10), wherein the at least one sensing device is arranged such that the detection volume (10) is fully arranged outside the charging volume (CV) or comprises only an edge portion of the charging volume (CV). Furthermore, the invention relates to a method for detecting a foreign object, an inductive power transfer system and a vehicle.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks

Abstract

The invention relates to a receiving device (1), in particular a receiving device (1) of a system for inductive power transfer to a vehicle (3), wherein the receiving device (2) comprises a housing (4), wherein at least one medium is arranged within the housing (4), wherein the medium has thermal coefficient of expansion which is smaller than the thermal coefficient of expansion of air. Furthermore, the invention relates to a method of manufacturing a receiving device and to a vehicle with a receiving device.

IPC Classes  ?

• H01F 27/02 - Casings
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01F 27/10 - Liquid cooling
• H01F 38/14 - Inductive couplings

Abstract

The invention relates to an inductive power transfer pad, in particular a power transfer pad (1) of a system for inductive power transfer to a vehicle, comprising a stationary part (2) and a movable part (3), wherein the movable part (3) comprises a primary winding structure, wherein the movable part (3) is movable between a retracted state and an extended state, wherein the power transfer pad (1) is designed and/or controllable such that the movable part (3) is only movable to a position from a set of predetermined positions, wherein the set of predetermined positions is a subset of the set of all positions between the retracted and the extended state. The invention further relates to a method of operating an inductive power transfer pad and an inductive power transfer system.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates to an inductive power transfer pad (1), in particular a transfer pad of a system (1, 11, 12) for inductive power transfer to a vehicle (43), comprising a stationary part (2) and a movable part (3), wherein the movable part (3) comprises a primary winding structure (6) for generating a magnetic or electromagnetic field while an electric current flows through windings of the primary winding structure (6), wherein the inductive power transfer pad (1) comprises at least one actuator (14; 44) for actuating motion of the movable part (3), wherein the movable part (3) is movable at least into a first direction by the at least one actuator (14; 44) so as to move between a retracted state and an extended state, wherein - the stationary part (2) comprises operating devices (38), which are electric and/or electronic devices adapted to operate the primary winding structure (6) so that the primary winding structure (6) generates the magnetic or electromagnetic field, wherein the operating devices (38) are electrically connected to the primary winding structure (6) and produce heat during operation, - the stationary part (2) comprises a cooling device (31) which is thermally coupled to the operating devices (38) and is adapted to transfer heat to an environment of the inductive power transfer pad (1), - the cooling device (31) is covered by the movable part (3) in the retracted state and the movable part (3) uncovers the cooling device (31) while being moved into the extended state.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Abstract

The invention relates to an inductive pickup arrangement (1) to be mounted on an electric vehicle which shall be operated with electric energy produced by the inductive pickup arrangement by magnetic induction, wherein: - the arrangement (1) comprises a pickup portion (2) comprising at least one electric inductance for receiving a magnetic field and for producing the electric energy, - the arrangement (1) comprises a mounting portion (3) mounted or to be mounted on the vehicle, - the arrangement comprises at least one actuator (4) for actuating motion of the pickup portion (2) relative to the mounting portion (3), - the mounting portion (3) and the pickup portion (2) are moveably connected to each other via at least one connecting portion (5), - the connecting portion (5) comprises a lever (5a) rotatably connected to the mounting portion (3) via a first joint (6), - the lever (5a) has a first region (105) extending from the first joint (6) in a first direction and has a second region (106) extending from the first joint (6) in a second direction which differs from the first direction, the first region (105) being connected to the actuator (4) and the second region (106) being rotatably connected via a second joint (9) to a connecting element (5b) connecting the connecting portion (5) to the pickup portion, - the first joint (6) and the second joint (9) are arranged to allow for rotating motion about parallel axes of rotation resulting in the pickup portion (2) moving in a resulting pickup motion direction either away from the mounting portion (3) or approaching the mounting portion (3), - the connecting portion (5) is arranged next to a side margin of the pickup portion (2) and the parallel axes of rotation extend - if viewed in the resulting pickup motion direction – transversely to the side margin.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• B60L 5/00 - Current-collectors for power supply lines of electrically-propelled vehicles

Abstract

The invention relates to a vehicle, wherein the vehicle (1) comprises at least one receiving device (2) of a system for inductive power transfer, wherein the vehicle (1) comprises a cabin section (6), wherein at least one shielding layer (9a, b, 9c) is arranged between the receiving device (2) and the cabin section (6), wherein the vehicle (1) comprises a floor section (7), wherein the at least one shielding layer (9a, 9b, 9c) is integrated into the floor section (7) of the vehicle (1). The invention also relates to a method of manufacturing a vehicle (1).

IPC Classes  ?

• H01F 27/36 - Electric or magnetic shields or screens
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01F 38/14 - Inductive couplings

Abstract

A method of communication between a vehicle and a wayside unit for controlling an inductive energy transfer to the vehicle, a vehicle and an arrangement The invention relates to a method of communication between a vehicle (1) and a wayside control unit (11) for controlling an inductive power transfer to the vehicle (1), wherein the control unit (11) controls a generation of an electromagnetic field by a primary unit (9) with a primary winding structure of a system for inductive power transfer, wherein the vehicle (1) comprises a secondary unit (3) with a secondary winding structure for receiving the alternating electromagnetic field, wherein charging-related data is transmitted in between the vehicle (1) and the control unit (11) via a first communication link (13), wherein the authentication-related data is transmitted from the vehicle (1) to the control unit (11) via a second communication link (17, 18), wherein the authentication-related data is used to authenticate the charging-related data, and a vehicle (1) and an arrangement of a vehicle (1) and a primary unit.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The invention relates to a method of detecting a correct position and/or orientation of a secondary winding structure of a secondary unit relative to a primary winding structure (3) of a primary unit (2) of a system for inductive power transfer to a vehicle (1), wherein the vehicle (1) comprises the secondary unit for receiving an alternating electromagnetic field which is generated by the primary unit (2), wherein the vehicle (1) comprises at least a first transmitter (7a) for transmitting a first signal (13a) and a second transmitter (7b) for transmitting a second signal (13b), wherein a wayside control unit (15) comprises at least one receiving means for receiving the first and the second signal (13a, 13b), wherein the correct position and/or orientation of the secondary winding structure of the secondary unit relative to the primary winding structure (3) of the primary unit (2) is detected depending on the first and the second signal (13a, 13b).

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• G08C 17/04 - Arrangements for transmitting signals characterised by the use of a wireless electrical link using magnetically coupled devices
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
• H04B 5/02 - Near-field transmission systems, e.g. inductive loop type using transceiver
• G01S 5/00 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
• G01S 11/00 - Systems for determining distance or velocity not using reflection or reradiation
• G05D 1/02 - Control of position or course in two dimensions
• B61L 3/12 - Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control controlling electrically using radio waves
• B61L 3/22 - Continuous control along the route using electromagnetic radiation
• B61L 3/24 - Continuous control along the route using electromagnetic radiation employing different frequencies or coded pulse groups
• B61L 15/00 - Indicators provided on the vehicle or vehicle train for signalling purposes
• B61L 25/02 - Indicating or recording positions or identities of vehicles or vehicle trains
• H04L 27/10 - Frequency-modulated carrier systems, i.e. using frequency-shift keying

Abstract

The invention relates to an inductive power transfer system for transferring electric energy to a vehicle (81), wherein the system comprises - a wayside electric conductor arrangement (1) for producing an alternating electromagnetic field and for thereby transferring the energy to the vehicle (81), - a vehicle side receiving device (2) for receiving the alternating electromagnetic field and for producing electric energy by magnetic induction, wherein - the wayside electric conductor arrangement (1) is combined with an array (14) of a plurality of sensor coils (4), the sensor coils (4) being placed side by side to form the array (14), - the array (14) extends in directions transverse to a field direction of the electromagnetic field, which field direction extends from the wayside electric conductor arrangement (1) to the vehicle side receiving device (2) during transfer of the energy to the vehicle, - a detector arrangement (12) is connected to the plurality of the sensor coils (4), the detector arrangement (12) being adapted to detect an effect of any magnetic and/or electrically conducting body (3, 6), that is possibly located in the field direction, on at least one electrical property of at least one of the sensor coils (4), - at least one marker body (6), which is a magnetic and/or electrically conducting body, is combined with the vehicle side receiving device (2), - a position determining device (15) is connected to the detector arrangement (12) and is adapted to determine a position of the vehicle side receiving device (2) from a detection result of the detector arrangement (12), the detection result indicating the sensor coil (4) / sensor coils (4) which is/are nearest to the marker body (6). The invention also relates to a method of operating and of manufacturing an inductive power transfer system.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The invention relates to a method of operating a three phase primary winding structure (6) of a system for inductive power transfer, wherein the primary winding structure (6) comprises a first phase line (P1), a second phase line (P2) and a third phase line (P3), wherein in a standard operational mode a first phase input voltage (U1), a second phase input voltage (U2) and a third phase input voltage (U3) are controlled such that a predetermined phase shift between all three phase input voltages (U1, U2, U3) is provided, wherein in a modified operational mode the first phase input voltage (U1), the second phase input voltage (U2) and the third phase input voltage (U3) are controlled such that the set of phase shift values comprises at most two non-zero values and all non-zero phase shift values are equal. Furthermore, the invention relates to a primary unit of a system for inductive power transfer.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The invention relates to a circuit arrangement of a system for inductive power transfer, in particular of inductive power transfer to a vehicle, wherein the circuit arrangement comprises at least one phase line, wherein the at least one phase line has a resulting inductance and a resulting capacitance, wherein the resulting inductance and the resulting capacitance of the phase line are chosen such that a resonant frequency of the phase line matches a predetermined operating frequency (ω), wherein the resulting capacitance is provided by at least two capacitive subcircuits (C1, C2, C3, C4) and/or the resulting inductance is provided by at least two inductive subcircuits (L1, L2), wherein the at least two inductive subcircuits (L1, L2) and/or the at least two capacitive subcircuits (C1, C2, C3, C4) within the phase line are arranged such that a maximal absolute value of the potential V along the phase line is smaller than a predetermined potential. The invention further relates to a method of designing a circuit arrangement, a secondary unit and a primary unit comprising the circuit arrangement.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The invention relates to a carrying device and a receiving device, in particular a carrying device (1) of a receiving device (2) of a system for inductive power transfer to a vehicle, comprising: - a carrying plate (3), - a first edge element (13) arranged at a first lateral edge (6) of the carrying plate (3), - at least another edge element (14) arranged at a second lateral edge (7) of the carrying plate (3), wherein the edge elements (13, 14) are slanted with respect to the carrying plate (3). Further, the invention relates to a method of manufacturing a carrying device (1) and a receiving device (2).

IPC Classes  ?

• B60L 5/00 - Current-collectors for power supply lines of electrically-propelled vehicles
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

P14.056WO / TP-02398 23 June 2014 Bombardier Transportation Gmb H 26 Bombardier Transportation Gmb H Schöneberger Ufer 0785 Berlin Germany Abstract Object detection system and method for operating an object detection system The invention relates to an object detection system for an inductive power transfer system, in particular for transferring power to a vehicle (6) on a surface (2) of a route, wherein the object detection system (10) comprises at least one LC oscillating circuit (14, 14a, 14b) and at least one driving circuit (13), wherein an input side of the driving circuit (13) is connected to a power supply circuit and an output side of the driving circuit (13) is connected to the at least one LC oscillating circuit (14, 14a, 14b), wherein the driving circuit (13) provides an alternating current voltage (UO) to the at least one oscillating circuit (14, 14a, 14b), wherein the object detection system (10) comprises at least one means for capturing an input power to the driving circuit (13) provided by the power supply circuit, wherein the object detection system (10) comprises at least one detection means for detecting a foreign object (9) depending on the captured input power. (Fig. 1)

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• H01F 38/00 - Adaptations of transformers or inductances for specific applications or functions
• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• 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 17/00 - Systems for supplying or distributing electric power by electromagnetic waves