| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 191010000 | MAGNETIC INDUCTION | 45 |
| 20080236973 | Device for Transmitting Electrical Energy from the Track to the Vehicle of a Magnetic Levitation Railway - A device for transmitting electrical energy from the track ( | 10-02-2008 |
| 20090032350 | SYSTEM AND METHOD FOR CAPTURING ENERGY FROM A RAILCAR - A method and system of using one or more railcar linear electric generators to decelerate a vehicle such as a train consist. In one embodiment, the one of more electric generators are configured to capture deceleration energy and supply the energy to one or more power grid connections. The one of more railcar electric generators may also operate as motors to assist propelling a train consist. Optional energy storage may also be included. | 02-05-2009 |
| 20090057084 | ENERGY RECOVERY SYSTEM - An energy recovery system including a device that produces a magnetic field adapted for mounting to a vehicle and a stationary conductor adapted for placing in or adjacent the path of the vehicle wherein the magnetic field induces current to flow through the conductor when the vehicle moves past the conductor. The vehicle may be an automobile, a truck, a train, or other type of vehicle. When used in conjunction with a train, the energy recovery system may be designed to recover energy from non-locomotive train cars in addition to, or in lieu of, the train locomotive. Kinetic energy that would otherwise be lost to heat energy through the application of brakes to the non-locomotive cars can thereby be recovered and re-used. | 03-05-2009 |
| 20110198176 | Transferring Electric Energy to a Vehicle - The invention relates to a system for transferring electric energy to a track bound vehicle, in particular to a light rail vehicle, such as a tram, wherein the system comprises an electric conductor arrangement ( | 08-18-2011 |
| 20110220445 | Fully automatic traffic system - A fully automatic traffic system includes insertable individual system vehicles that are used for transporting persons and goods, are provided with their own drive system, their own steering mechanism, and at least one power take-off and guiding apparatus, and move along a route which encompasses a solid ground forming the running surfaces for the wheels of the individual vehicles, and a power supply and guiding system over which the wheels of the vehicles can roll. At least one power take-off and guiding apparatus of the individual vehicles can be deployed into and retracted from the effective range of the power supply and guiding system of the route. The ground that supports the running surfaces for the wheels of the individual vehicles consists of roadway elements which can be separately arranged and/or laid. | 09-15-2011 |
| 20110220446 | DEVICE FOR TRANSMITTING ELECTRICAL ENERGY - The invention relates to a device for inductively transmitting electrical energy to or from a mobile object ( | 09-15-2011 |
| 20110253495 | PRODUCING ELECTROMAGNETIC FIELDS FOR TRANSFERRING ELECTRIC ENERGY TO A VEHICLE - The invention is a system for transferring electric energy to a vehicle. The system includes an electric conductor arrangement for producing an alternating electromagnetic field and for thereby transferring the energy to the vehicle. The electric conductor arrangement includes at least one alternating current line, wherein each alternating current line carries one phase of an alternating electric current. The conductor arrangement includes a plurality of consecutive segments, wherein the segments extend along the path of travel of the vehicle. Each segment includes one section of each of the at least one alternating current line. The system also includes a direct current supply line for supplying electric energy to the segments. Each segment is connected to the supply line via at least one inverter which inverts a direct current carried by the supply line to an alternating current carried by the at least one alternating current line. | 10-20-2011 |
| 20110259694 | ELECTRICALLY POWERED VEHICLE - An electric vehicle can run with power supplied from a power supply facility on the outside of the vehicle. A resonator for power reception is disposed under a metallic under body and configured to receive power from a resonator for power transmission in the power supply facility by resonating with the resonator through an electromagnetic field. A power storage device stores power received by the resonator for power reception. A power cable is laid under the under body along with the resonator for power reception, and configured to transmit power received by the resonator for power reception. | 10-27-2011 |
| 20110315496 | POWER TRANSFER SYSTEM AND METHOD - A contactless power transfer system for a mobile asset is presented. The system includes a primary loop disposed adjacent to a location that is coupled to a power source. A secondary receiving coil is disposed on the mobile asset and coupled to a traction motor for receiving power from the primary loop. The power transfer system further includes a field-focusing element that can focus a magnetic field from the primary loop onto the secondary receiving coil, the field-focusing element having a non-linear current distribution. | 12-29-2011 |
| 20120055751 | INDUCTIVELY RECEIVING ELECTRIC ENERGY FOR A VEHICLE - The invention relates to an arrangement for providing a vehicle, in particular a track bound vehicle, with electric energy, wherein the arrangement comprises a receiving device ( | 03-08-2012 |
| 20120085610 | GROUND-BASED POWER SUPPLY SYSTEM FOR A TRANSPORTATION VEHICLE AND ASSOCIATED METHODS - The ground-based electric power supply system ( | 04-12-2012 |
| 20120085611 | ENERGY RECOVERY SYSTEM - An energy recovery system including a device that produces a magnetic field adapted for mounting to a vehicle and a stationary conductor adapted for placing in or adjacent the path of the vehicle wherein the magnetic field induces current to flow through the conductor when the vehicle moves past the conductor. The vehicle may be an automobile, a truck, a train, or other type of vehicle. When used in conjunction with a train, the energy recovery system may be designed to recover energy from non-locomotive train cars in addition to, or in lieu of, the train locomotive. Kinetic energy that would otherwise be lost to heat energy through the application of brakes to the non-locomotive cars can thereby be recovered and re-used. | 04-12-2012 |
| 20120103741 | ULTRA SLIM POWER SUPPLY DEVICE AND POWER ACQUISITION DEVICE FOR ELECTRIC VEHICLE - An ultra slim power supply device for supplying power to an electric vehicle in a contactless manner includes at least one power supply track buried in a road. Each power supply track includes a plate-shaped magnetic core extending along the road, a plate or strip shaped magnetic field generator arranged above the magnetic core through which an alternating current is supplied to generate a magnetic field, a plate or strip shaped insulating body positioned between the magnetic core and the magnetic field generator to isolate them from each other, and a housing for enclosing the magnetic core, the magnetic field generator and the insulating body. | 05-03-2012 |
| 20120145500 | SYSTEM AND METHOD FOR PROVIDING POWER TO A MOVING ELEMENT - A system and method for providing power to a plurality of moving elements in a transport system that include: tracking a position of each of the plurality of moving elements in the transport system; and selectively operating a power system provided to the transport system based on the position of each of the plurality of the moving element such that power is independently transferred to each of the plurality of moving elements. In another embodiment, the system and method include: adapting the plurality of moving elements to receive power from a drive component used to drive the plurality of moving elements along the transport system; and controlling the drive component to provide power to the plurality of moving elements, and, in particular, while the moving elements are moving. | 06-14-2012 |
| 20120186927 | Power Supply Device, Power Acquisition Device and Safety System for Electromagnetic Induction-Powered Electric Vehicle - It is provided a power supply device and a power acquisition device for an electromagnetic induction-powered electric vehicle that increase a power transfer efficiency by maximizing a lateral deviation tolerance and by minimizing a gap between the power acquisition device and the power supply device while preventing the power acquisition device from colliding with an obstacle present on a road and being damaged by the collision. | 07-26-2012 |
| 20120217111 | ROADWAY POWERED ELECTRIC VEHICLE SYSTEM - A roadway powered electric vehicle system includes a power supply ( | 08-30-2012 |
| 20120267209 | DEVICE AND METHOD FOR INDUCTIVELY TRANSMITTING ELECTRIC ENERGY TO DISPLACEABLE CONSUMERS - The invention relates to a device for inductively transmitting electrical energy to displaceable consumers (F | 10-25-2012 |
| 20120318624 | DETECTING THE PRESENCE OF A VEHICLE - An arrangement for detecting the presence of a moving vehicle includes an emitting antenna adapted to emit an electromagnetic field in a range of emitting directions and mounted on the vehicle. | 12-20-2012 |
| 20130020161 | POWER SUPPLY AND ACQUISITION APPARATUS FOR ON-LINE ELECTRIC VEHICLE - A power supply and acquisition apparatus for an electrical vehicle includes a power supply device embedded along a road and a power acquisition device attached on the vehicle. The power supply device includes a plurality of power supply core units, each core unit having two opposite magnetic poles and formed in a direction perpendicular to a longitudinal direction of the road; and one or more power supply lines disposed along the longitudinal direction such that adjacent two magnetic poles have different polarities. The power acquisition device includes power acquisition core units; a connection member for connecting the power acquisition core units such that the power acquisition core units are spaced from each other by a distance between the magnetic poles; and a power acquisition coil wound around the respective power acquisition core units or the connection member. | 01-24-2013 |
| 20130037365 | INDUCTIVELY CHARGED VEHICLE WITH AUTOMATIC POSITIONING - An electric vehicle receives electric power, in a non-contact manner, from an electric power transmitting coil provided externally to the vehicle. The electric vehicle includes an electric power receiving unit that is disposed at a bottom of the vehicle and receives electric power from the electric power transmitting unit via electromagnetic field resonance; a camera that captures an image of the outside; and a display unit that displays an outside view from the vehicle that is captured by the camera. The electric power receiving unit is disposed at a position that is offset toward a peripheral face, on which the camera is disposed, with respect to the center of the bottom in the longitudinal direction of the vehicle. | 02-14-2013 |
| 20130092491 | POWER SUPPLY APPARATUS FOR ON-LINE ELECTRIC VEHICLE, METHOD FOR FORMING SAME AND MAGNETIC FIELD CANCELATION APPARATUS - A power supply apparatus is for supplying power to an electric vehicle by a magnetic induction mechanism. The apparatus includes a power supply structure including a multiple number of power supply rail modules connected in a forward road direction, each power supply rail module including at least one power supply line passage elongated in the forward road direction, a power supply core of a lattice structure provided below the power supply line passage, and a concrete structure incorporating the power supply line passage and the power supply core; at least one power supply line accommodated in the power supply line passage in the forward road direction and surrounded by an insulating pipe; and at least one common line provided in the forward road direction and surrounded by an insulating pipe, for supplying power to the power supply apparatus. | 04-18-2013 |
| 20130098723 | METHOD AND APPARATUS FOR TRANSPORTING POWER TO ELECTRIC VEHICLE WITH SEGMENTS OF POWER SUPPLY ROAD - A power transport apparatus for transporting electric power to an electric vehicle on the road is provided. The apparatus includes a plurality of power supply units provided at a road in a longitudinal direction of the road, one or more of the power supply units simultaneously transporting the electric power to the electric vehicle; and a power line supplying the electric power to the respective power supply units. | 04-25-2013 |
| 20130098724 | MODULAR ELECTRIC-VEHICLE ELECTRICITY SUPPLY DEVICE AND ELECTRICAL WIRE ARRANGEMENT METHOD - The present invention relates to a modular electric-vehicle electricity supply device and an electrical wire arrangement method, and more particularly, to an electric-vehicle electricity supply device and electrical wire arrangement method which use a modular approach such that respective modules can be controlled so as to be either ON or OFF; in which a plurality of a magnets disposed at right angles to the direction of travel on a road area provided spaced at predetermined intervals in the direction of travel on the road, and which comprises electricity supply cores formed such that the widths at right angles to the direction of travel on the road are very narrow, and comprises electricity supply wires arranged such that the magnets of electricity supply cores which neighbor each other in the direction of travel on the road have different polarities. | 04-25-2013 |
| 20130112519 | SYSTEM FOR TRANSFERRING ENERGY TO A VEHICLE AND METHOD OF OPERATING THE SYSTEM - A system for transferring energy to a vehicle, in particular a track bound vehicle, such as a light rail vehicle, wherein the system includes an electric conductor arrangement adapted to produce an electromagnetic field which can be received by the vehicle thereby transferring the energy to the vehicle the system further includes electric and/or electronic devices which are adapted to operate the electric conductor arrangement. The devices produce heat while operating the conductor arrangement and—therefore—are to be cooled. A cooling arrangement of the system includes a structure having a cavity in which at least one of the devices to be cooled is located. The structure includes a cover limiting the cavity at the top, wherein the device(s) to be cooled is/are located at a distance to the cover. The structure is integrated in the ground at the path of travel of the vehicle in such a manner that the cover forms a part of the surface of the ground. | 05-09-2013 |
| 20130220756 | RECIPROCATING DEVICE - In a reciprocating device, first and second power transmission units are provided on one end side and the other end side of a track to put therebetween power receiving units which are provided on a movable body being movable along the track. Thus, when the movable body is moved close to the one end side or the other end side of the track to separate the power receiving units far from the second power transmission unit on the other end side or the first power transmission unit on the one end side, the power receiving units are able to efficiently receive the electric power from the first power transmission unit on the one end side or the second power transmission unit on the other end side which is close thereto. Therefore, it is possible to reciprocate the movable body between the both ends of the track in a simplified construction. | 08-29-2013 |
| 20130233663 | ROUTE FOR VEHICLES AND METHOD OF BUILDING THE ROUTE - A route for vehicles driving on a surface of the route includes a plurality of shaped blocks adapted to position and/or to hold a plurality of line sections of one or more electric line. Each shaped block comprises recesses forming spaces and/or projections delimiting spaces for receiving at least one of the line sections. The electric line or lines extend(s) through the spaces and extend(s) along the surface of the route in and/or about the travelling direction of vehicles. The shaped blocks and the electric line or lines are supported by a base layer of the route and are covered by a cover layer of the route. The material of the cover layer is also located in regions of the route sideways of the shaped blocks so that the shaped blocks and the cover layer form an integrated layer on top of the base layer. | 09-12-2013 |
| 20130248311 | TRANSFERRING ELECTRIC ENERGY TO A VEHICLE BY INDUCTION - A system for transferring electric energy to a vehicle, wherein the system comprises an electric conductor arrangement for producing a magnetic field and for thereby transferring the energy to the vehicle, wherein the electric conductor arrangement comprises at least one current line, wherein each current line is adapted to carry the electric current which produces the magnetic field or is adapted to carry one of parallel electric currents which produce the magnetic field and wherein:
| 09-26-2013 |
| 20140116831 | System and Method for Transferring Electric Energy to a Vehicle Using Segments of a Conductor Arrangement which can be Operated Independently - A system and method for transferring electric energy to a vehicle includes at least one electric conductor arrangement for producing an alternating electromagnetic field and for transferring electromagnetic energy to the vehicle. The conductor arrangement includes a plurality of segments, each extending along a section of the path of travel of the vehicle and including one line for each phase of alternating current carried by the segment to produce the electromagnetic field. A plurality of source units connected in parallel provide the alternating current to the segment and a current supply conducts electrical energy to the plurality of source units. At least a first source unit is connectable to each segment of a first set of at least two segments of the at least one conductor arrangement. Each neighboring segment of the first set of segments is exclusively connectable to another source unit. | 05-01-2014 |
| 20140138199 | POWER TRANSMITTING DEVICE AND POWER TRANSFER SYSTEM - A power transmitting device that contactlessly transmits electric power to a power receiving device having a secondary coil provided at a vehicle, and a power transfer system, are provided. The power transmitting device includes primary coils, a selecting unit and a control unit. The primary coils are arranged at an interval in an arrangement direction. The selecting unit selects one primary coil to which electric power is supplied from a power supply. The control unit controls the selecting unit by supplying the selected primary coil with a second electric power smaller than a first electric power, selecting a power transmitting coil from among the primary coils on the basis of at least one of a power transmitting situation of the selected primary coil and a power receiving situation of the secondary coil, and supplying the power transmitting coil with the first electric power. | 05-22-2014 |
| 20140151175 | Route for Vehicles, in Particular for Road Automobiles - A route for vehicles driving on the route surface wherein the route includes a plurality of shaped blocks adapted to position and/or to hold a plurality of line sections of one or more electric lines. Each shaped block includes recesses forming spaces and/or projections delimiting spaces for receiving at least one of the line sections. At least one electric line extends through the spaces and along the surface of the route in and/or about the travelling direction of vehicles which are driving on the route. The shaped blocks and the at least one electric line are supported by a base layer and are covered by a cover layer of the route. The material of the shaped blocks is also located in side regions of the route sideways of the shaped blocks so that the shaped blocks and the side regions form an integration layer above the base layer. | 06-05-2014 |
| 20140174870 | VEHICLE ELECTRIC POWER SUPPLY SYSTEM - The present invention is vehicle electric power supply system (A) that supplies electric power wirelessly to a vehicle (M) that is positioned within an electric power supply area (X). The vehicle electric power supply system (A) has: a power-receiving device (m | 06-26-2014 |
| 20140238804 | Conductor Arrangement for Producing an Electromagnetic Field and Route for Vehicles, in Particular for Road Automobiles, Comprising the Conductor Arrangement - A conductor arrangement for producing an electromagnetic field and thereby transferring energy to vehicles driving on a surface of a route, in particular for transferring energy to road automobiles is disclosed. The conductor arrangement includes a first, lower coating layer, a second upper coating layer, and at least one electric line which—if arranged as part of the route—extends under the surface of the route in and/or about the travelling direction of the vehicles. The at least one electric line is arranged in between the lower and upper coating layer. | 08-28-2014 |
| 20140318912 | Providing a Vehicle with Electric Energy Using a Receiving Device Adapted to Receive an Alternating Electromagnetic Field - An arrangement for providing a vehicle with electric energy, including a receiving device adapted to receive an alternating electromagnetic field and to produce an alternating electric current by magnetic induction, a plurality of phase lines adapted to carry a different phase current of the alternating electric current. Each phase line forms at least two coils. Each coil includes at least one turn of the phase line. The turn of any one of the coils including only one turn is turned around a central axis of the coil. The turns of any one of the coils including more than one turn are consecutive sections of the phase line turned around a central axis of the coil. The at least two coils of each phase line are located next to each other so as to form a sequence of coils. | 10-30-2014 |
| 20140318913 | Inductively Transferring Electric Energy to a Vehicle Using Consecutive Segments Which are Operated at the Same Time - A system for transferring electric energy to a vehicle, including an electric conductor arrangement for producing an alternating electromagnetic field and for thereby transferring electric energy to a vehicle. The conductor arrangement includes a plurality of consecutive segments. Each segment is combined with an assigned controller adapted to control the operation of the segment independently of the other segments. The controllers of at least two consecutive segments are connected to each other and/or to a central controlling device so that the at least two consecutive segments can operate at the same time. Each segment includes at least three alternating current lines for carrying phases of a multi-phase alternating current. The consecutive segments are electrically connected in parallel to each other to a current supply. The alternating current lines of each segment include a plurality of sections which extend transversely to the direction of travel of the vehicle. | 10-30-2014 |
| 20150075934 | Providing a Land Vehicle, in Particular a Rail Vehicle or a Road Automobile, with Electric Energy by Induction - An arrangement for providing a land vehicle, with electric energy includes producing an electromagnetic field on a primary side located on the track of the vehicle and/or located at a stop of the vehicle, by receiving the magnetic component of the electromagnetic field on a secondary side on board the vehicle above the source of the electromagnetic field and by magnetic induction on the secondary side. The arrangement includes a secondary side conductor assembly made of electrically conducting material which produces an electromagnetic stray field during operation while the electrically conducting material carries an alternating electric current and a secondary side shielding assembly made of magnetizable material. The secondary side shielding assembly extends sideways of the secondary side conductor assembly on the same level as the secondary side conductor assembly, thereby shielding regions, which are located beyond the magnetizable material, from the electromagnetic stray field. | 03-19-2015 |
| 20150090552 | Inductive Pick-Up Arrangement for an Electric Vehicle and Method of Operating an Electric Vehicle - The invention relates to an inductive pick-up to be mounted on an electric vehicle, operated with electric energy produced by the inductive pick-up by magnetic induction. The inductive pick-up includes a pick-up portion, a mounting portion, and an actuator. The invention also relates to an electric land vehicle including an inductive pick-up mounted at the bottom of the vehicle. The invention also relates to a method of operating an electric vehicle having an inductive pick-up portion. | 04-02-2015 |
| 20150298560 | BASE MAGNETICS AND SEQUENCE DESIGN FOR DYNAMIC SYSTEMS - Dynamic wireless charging systems may involve coordinating multiple charging base pads to provide coordinated, continuous power transfers to a moving receiver along the distance in which the dynamic wireless charging system is installed. The layout and design of the charging base pads, the current flow through the charging base pads, and the sequencing of charging base pad activation and current flow implemented may dramatically affect the power transfers and practicality of such dynamic systems. The sequencing and control of these coils may need to be capable of managing the individual coils with minimal infrastructure as well as be capable of distributing the required power from the power grid to these pads efficiently and safely, and may comprise charging base pads, controllers to control the power flow to, activation of, and current flow direction within the base pads. | 10-22-2015 |
| 20150298561 | BASE ARRAY NETWORK DESIGN FOR MULTIPLE VEHICLE PADS - Dynamic wireless charging systems may involve coordinating multiple charging base pads to provide coordinated, continuous power transfers to a moving receiver along the distance in which the dynamic wireless charging system is installed. These dynamic systems may require a large number of coils (base pads) which may be components in base array networks (BAN modules). The BAN modules may provide for simplified installation and system design wherein the BAN modules may be preassembled and self-contained, drop-in-place units. The layout and design of the BAN modules may be such that they may contain charging base pads, local controllers, distribution circuitry, and switching controls. The sizing of the BAN modules may dramatically affect the usability and practicality of such dynamic systems. The sizing of the BAN modules may be dependent upon the pitch between vehicle pads on electric vehicles and base pad pitch within the BAN modules. | 10-22-2015 |
| 20150321566 | Providing Vehicles with Electric Energy by Magnetic Induction - An arrangement for providing a vehicle with electric energy, wherein the arrangement includes a generating device for inducing an alternating electric current by magnetic induction in a corresponding receiving device, wherein the arrangement comprises a base to which the generating device is attached, the base defines a vehicle location an elevated region sideways of the vehicle location, wherein an upper surface of the elevated region is elevated compared to an upper surface of the base under the vehicle location, an elongated profile includes an electrically conducting material and/or a magnetizable material, wherein the elongated profile is attached to the elevated region and extends along an extension of the generating device in a longitudinal direction of the arrangement and wherein an elevated profile extends upwards towards a level of the upper surface of the elevated region and also extends towards the vehicle location. | 11-12-2015 |
| 20150321567 | A Safety System, a Method of Operating a Safety System and a Method of Building a Safety System - The invention relates to a safety system for an inductive power transfer system for transferring power to a vehicle on a surface of a route, wherein the primary unit comprises at least one primary winding for generating an electromagnetic primary field for the inductive power transfer, wherein a charging surface of the route is assigned to the primary winding. The safety system comprises at least one inductive sensing system, wherein the inductive sensing system comprises multiple detection windings wherein the multiple detection windings are arranged in an array structure, and wherein the array structure covers the charging surface at least partially. Furthermore, the invention relates to a method of operating such a safety system and a method of building such a safety system. | 11-12-2015 |
| 20150343921 | SELF-INSULATED MODULAR POWER SUPPLY LINE - Self-insulated power supply line for vehicles in which a magnetically attractable flexible belt element housed in an insulating casing provides in sequence the power supply to a plurality of conducting elements spaced from one another and external to the casing. A detector circuit is provided adapted to measure the dispersion current which flows between the live conducting element and conducting elements adjacent to it in the case of poor insulation conditions of the road surface. | 12-03-2015 |
| 20150360571 | EcoCharge - The earth's magnetic field has not been mined as a source of energy for electric vehicles. With average field strength of 0.5 Tesla around the world it is easy to understand why it has been overlooked. A disruptive technology is needed to mine the earth's magnetic field for powering electric vehicles. Such a technology, graphene, is now at an early stage of development with excellent properties in the form of high conductivity, low resistivity sheets that are durable, light weight, and low cost. Electrical properties of multiple sheets of graphene provide a significant multiplier to earth's weak magnetic field yielding a feasible source of ecologically clean power for electric vehicles. Graphene based EcoCharge systems can be mounted on a vehicles drive shaft and axles putting graphene in motion to mine the earth's magnetic field. Estimates show that EcoCharge can generate 15.1 kW at 60 mph while weighing only 10 oz. | 12-17-2015 |
| 20160046192 | MOVEMENT MECHANISM - A movement mechanism includes a plurality of primary power-supplying coils each serving as a power-supplying coil that is able to supply power to another power-supplying coil in a wireless manner and arranged along an imaginary line parallel to the movement path, a secondary power-supplying coil serving as a power-supplying coil configured to receive power from another power-supplying coil in a wireless manner; and a movement structure serving as a structure configured to support the secondary power-supplying coil and to move along the movement path, wherein power is able to be supplied in a wireless manner to the secondary power-supplying coil from one or more of the primary power-supplying coils sequentially selected from among the plurality of primary power-supplying coils depending on an arrangement sequence when the movement structure moves along the movement path. | 02-18-2016 |
| 20160052398 | ROAD BEARING FOR ELECTRIC VEHICLE CONNECTION - A road bearing for inductive coupling to an electrical connection device of an electric vehicle includes a series of primary induction coils, a bearing surface element, and a plurality of deformation features in the bearing surface element. The series of primary induction coils are interconnected to a source of electrical power and disposed in a substantially linear array below a roadway surface and within a roadway structure, and are aligned generally parallel to an alignment of the roadway. The bearing surface element is disposed above the primary induction coils, and has an upper surface that is substantially flush with the roadway surface, has a surface flatness in the range of ±1 μm per 30 mm, and a magnetic permeability in the range of 0.9 to 2. The plurality of deformation features include depressions in the upper surface of the bearing surface element, and are configured to provide friction to vehicle wheels. | 02-25-2016 |
| 20160185226 | Carrying Device and a Receiving Device - Provided herein is a carrying device of a receiving device of a system for inductive power transfer to a vehicle, including: a carrying plate, a first edge element arranged at a first lateral edge of the carrying plate, and at least another edge element arranged at a second lateral edge of the carrying plate. The edge elements are slanted with respect to the carrying plate. The carrying plate and the edge elements are made of non-magnetic material. Also provided herein is a method of manufacturing the carrying device of the receiving device. | 06-30-2016 |
