Magnetic Induction Patents (Class 191/10)
  • Patent number: 8851252
    Abstract: A cleaning means related to a vehicle-related system for driving an electrically propellable vehicle along a roadway. The vehicle has three sources of power: a vehicle-related power generator, a set of batteries and vehicle-external electric stations. The vehicle is provided with a current collector which is displaceable up and down and sideways in relation to the direction of transportation, in order to be brought into mechanical and electrical contact with elongated tracks positioned below the roadway and comprising a conductor adapted to be connected with an electric station. The cleaning means is rotatably fastened in an upper area thereof about a horizontally oriented axis of rotation and adapted to clean the track from loose obstacles and/or yield to solid obstacles. The cleaning means and the axis of rotation are movably disposed in vertical direction by means of a resilient member.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: October 7, 2014
    Assignee: Elways AB
    Inventor: Gunnar Asplund
  • Patent number: 8833533
    Abstract: 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.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: September 16, 2014
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Nam Pyo Suh, Soon Heung Chang, Dongho Cho, Gyu Hyeong Cho, Chun Taek Rim, Jung Goo Cho
  • Patent number: 8827058
    Abstract: 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 (200) adapted to receive an alternating electromagnetic field and to produce an alternating electric current by electromagnetic induction. The receiving device (200) comprises a plurality of windings and/or coils (9, 10, 11) of electrically conducting material, wherein each winding or coil (9, 10, 11) is adapted to produce a separate phase of the alternating electric current.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: September 9, 2014
    Assignee: Bombardier Transportation GmbH
    Inventors: Kurt Vollenwyder, Jürgen Meins, Carsten Struve
  • Publication number: 20140238804
    Abstract: 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.
    Type: Application
    Filed: July 13, 2012
    Publication date: August 28, 2014
    Applicant: BOMBARDIER TRANSPORTATION GMBH
    Inventors: Oliver Vietzke, Robert Czainski
  • Patent number: 8807308
    Abstract: 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.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: August 19, 2014
    Inventors: Nam Pyo Suh, Soon Heung Chang, Dongho Cho, Chun Taek Rim, Jung Goo Cho, Kyung-Soo Kim, Yong Hoon Jeong, Yong San Yoon, Gu Ho Jeong
  • Patent number: 8807309
    Abstract: The invention relates to a device for inductively transmitting electrical energy to displaceable consumers (F1-F13) that can be moved along a track, having a primary conductor arrangement (2) divided into route segments (3-7) that are electrically separated from each other, and extending along the track, wherein individual route segments (3-7) are each associated with at least one current source (3?-7?) for imprinting a continuous current into each of the route segments (3-7), and to a corresponding method. The aim of the invention is to supply the displaceable consumers in an energy-saving manner with electric energy matched to demand, and to allow short reaction times when operating the device.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: August 19, 2014
    Assignee: Conductix-Wampfler AG
    Inventors: Mathias Wechlin, Andrew Green
  • Patent number: 8800738
    Abstract: A wireless power feeder 116 feeds power from a feeding coil L2 in the ground to a receiving coil L3 incorporated in an EV by wireless using a magnetic field resonance phenomenon between the feeding coil L2 and receiving coil L3. A plurality of feeding coils L2a to L2d are buried in the ground. Receivers 112a to 112d are buried in corresponding respectively with the feeding coils L2a to L2d. The plurality of receivers 112 each receive a position signal transmitted from a transmitter 110 of the EV. A feeding coil circuit 120 supplies AC power to the feeding coil L2 corresponding to the receiver 112 that has received the position signal to allow the feeding coil L2 to feed power to the receiving coil L3 by wireless.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: August 12, 2014
    Assignee: TDK Corporation
    Inventor: Takashi Urano
  • Publication number: 20140174870
    Abstract: 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 (m1) that is provided in the vehicle; a plurality of power-transmitting devices (1a1, 1a2, 1a3, 1b1, 1b2, 1b3, 1c1, 1c2, 1c3) that are provided at mutually different positions within the electric power supply area; a position detecting device (4) that detects the position of the power-receiving device within the electric power supply area; and a control device (4) that, based on detection results from the position detecting device, selects from among the plurality of power-transmitting devices the power-transmitting device that is located in a position that corresponds to the power-receiving device, and then causes power to be supplied wirelessly from the selected power-transmitting device.
    Type: Application
    Filed: February 26, 2014
    Publication date: June 26, 2014
    Inventor: Motonao NIIZUMA
  • Publication number: 20140159968
    Abstract: The invention relates to a mounting for a data conductor on a conductor strand of a conductor line. The invention further relates to an energy transmission system for transmitting electrical energy between a conductor line and an electrical consumer that can be moved along the conductor line and has at least one data conductor guided along the conductor line and at least one antenna arranged on the consumer, and to a data transmission system for contactless local data transmission between at least one data conductor guided along a conductor line and at least one antenna arranged on an electrical consumer that can be moved along the conductor line.
    Type: Application
    Filed: April 20, 2012
    Publication date: June 12, 2014
    Applicant: CONDUCTIX-WAMPFLER GMBH
    Inventors: Bernd Maier, Frank Pietschmann
  • Publication number: 20140151175
    Abstract: 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.
    Type: Application
    Filed: July 13, 2012
    Publication date: June 5, 2014
    Applicant: BOMBARDIER TRANSPORTATION GMBH
    Inventor: Oliver Vietzke
  • Publication number: 20140138199
    Abstract: 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.
    Type: Application
    Filed: November 7, 2013
    Publication date: May 22, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinji ICHIKAWA, Toru NAKAMURA
  • Publication number: 20140131121
    Abstract: In an electric vehicle, a power unit is installed in an internal space region of a tire of each of front and rear wheels. The unit has a plurality of power elements arranged on an inner peripheral surface of a ground contact portion of the tire. Each of the elements includes a core made of a permalloy, and a power coil wound around the core. When a periodically-changing magnetic field is generated in a region above a road by an electric supply arrangement installed in the road, each of the elements generates electric power. This electric power is supplied to a motor of the vehicle through a power distribution system. The motor drives front wheels. The electric vehicle can continuously run over long distances without charging a battery at a buttery station.
    Type: Application
    Filed: January 16, 2014
    Publication date: May 15, 2014
    Inventors: Ryuji UENO, Misako NAKATA
  • Publication number: 20140116831
    Abstract: 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.
    Type: Application
    Filed: June 11, 2012
    Publication date: May 1, 2014
    Applicant: Bombardier Transportation GmbH
    Inventor: Konrad Woronowicz
  • Patent number: 8590682
    Abstract: 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 (12) for producing an electromagnetic field and for thereby transferring the energy to the vehicle, the electric conductor arrangement (12) comprises at least one line (1, 2, 3) for carrying one phase of an alternating voltage or current, the line (1, 2, 3) extends along the track, the line (1, 2, 3) is arranged in such a manner that it produces—at each point in time while the alternating electric current is flowing through the line (1, 2, 3)—a row of successive magnetic poles (at sections 5) of an electromagnetic field, wherein the successive magnetic poles have alternating magnetic polarities, the row of successive magnetic poles extends in the travel direction of the vehicle which is defined by the track.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: November 26, 2013
    Assignee: Bombardier Transportation GmbH
    Inventors: Jürgen Meins, Carsten Struve
  • Patent number: 8561770
    Abstract: A system and method for powering of a vehicle is disclosed. In accordance with embodiments of the present disclosure, a roadway may include an embedded conductor and a source of energy. The embedded conductor may be embedded in the roadway configured to transfer energy to a vehicle upon the roadway via magnetic induction or electric conduction. The source of energy may be applied upon or embedded in the roadway and configured to generate electric current to the embedded conductor. The source of energy may include a solar power generator, a thermoelectric power generator, a piezoelectric power generator, and/or any other suitable source of energy.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: October 22, 2013
    Assignee: Blue Wheel Technologies, Inc.
    Inventor: Laurian Stoicoviciu
  • Patent number: 8556050
    Abstract: An electrical connection device for an electric vehicle includes an arm, attached to a moving vehicle, and an air-bearing electrical-pickup device, disposed at a distal end of the arm. The air-bearing electrical-pickup device is positionable adjacent to an electric-powered guideway and configured to receive electrical power therefrom. The air bearing electrical-pickup device includes an air inlet positioned to provide a flow of air between the guideway and the air bearing device, and an induction loop, configured to sense ferromagnetic material in the guideway.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: October 15, 2013
    Inventor: Bryan Richards
  • Patent number: 8544622
    Abstract: 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.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: October 1, 2013
    Assignee: Bombardier Transportation GmbH
    Inventors: Kurt Vollenwyder, Jürgen Meins
  • Publication number: 20130248311
    Abstract: 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: the at least one current line extends at a first height level, the system comprises an electrically conductive shield for shielding the magnetic field, wherein the shield extends under the track and extends below the first height level, and a magnetic core extends along the track at a second height level and extends above the shield.
    Type: Application
    Filed: November 22, 2011
    Publication date: September 26, 2013
    Applicant: BOMBARDIER TRANSPORTATION GMBH
    Inventors: Robert Czainski, Juergen Meins, John Whaley
  • Publication number: 20130233663
    Abstract: 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.
    Type: Application
    Filed: November 22, 2011
    Publication date: September 12, 2013
    Applicant: BOMBARDIER TRANSPORTATION GMBH
    Inventors: Robert Czainski, Oliver Vietzke
  • Patent number: 8528710
    Abstract: A non-contact power feeding device feeds power from a power transmission coil to a power receiving coil based on a mutual induction effect of electromagnetic induction. In such a non-contact power feeding device, power can be fed to the power receiving coil by a mobile power feeding method whereby the power receiving coil is moved corresponding to the stationary power transmission coil through an air gap in the case of power feeding. The power transmission coil and the power receiving coil are respectively formed in a loop-shaped flat structure. A crossover coil is adopted to serve as the power transmission coil. The crossover coil is formed in a long loop shape along the direction of movement of the power receiving side and is crossed along the way to provide a plurality of units. It is however to be noted that a resonant repeating coil can be used together with the power transmission coil to adopt the crossover coil as its repeating coil.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: September 10, 2013
    Assignee: Showa Aircraft Industry Co., Ltd.
    Inventors: Kitao Yamamoto, Takeshi Sato, Keisuke Abe, Masashi Mochizuki, Yasuyuki Okiyoneda
  • Publication number: 20130220756
    Abstract: 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.
    Type: Application
    Filed: October 4, 2011
    Publication date: August 29, 2013
    Applicant: FUJI MACHINE MFG. CO., LTD.
    Inventors: Takahiro Jindo, Jun Suzuki
  • Patent number: 8499910
    Abstract: The invention relates to a device for inductively transmitting electrical energy to or from a mobile object (3) that is located on a roadway or rail, is at a standstill or in motion, and comprises a load and/or an energy store, comprising a floor inductor (5) that is associated with the roadway (1) and comprises a plurality of first induction coils (4) that are arranged along the roadway (1) or rail, are connected to a current source, and have a magnetically conductive iron core (6) for generating a magnetic field directed toward the moving object (3). An inductive wheel (8) attached to the moving object (3) comprises a stationary second induction coil (9) having a magnetically conductive iron core (10) and magnetically conductive wheel disks (11, 12) that are directed toward the roadway (1) or rail and connected to said magnetically conductive iron core on both sides.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: August 6, 2013
    Assignee: Stemmann-Technik GmbH
    Inventor: Burkhard Hübner
  • Patent number: 8469166
    Abstract: The ground-based electric power supply system (1) for a transportation vehicle (T), includes: a transportation vehicle (T), a plurality of elements (4) emitting an electromagnetic field in order to power the transportation vehicle (T) by induction, the emitting elements (4) being positioned and spaced apart from each other along the circulation track of the transportation vehicle (T), a device (5) for receiving the energy emitted by the plurality of emitting elements (4), borne by the transport vehicle (T), means (6) for electrically powering the plurality of emitting elements (4) selectively, the means (6) being laid out so as to electrically power at least one emitting element (4) when the vehicle (T) is located above said at least one emitting element (4), characterized in that the length (L) of the receiving device (5) measured in the direction of circulation of the vehicle, is greater than the distance (D) which separates two consecutive emitting elements (4) along the circulation track.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: June 25, 2013
    Assignee: Alstom Transport SA
    Inventor: Jean-Luc Alexandre
  • Patent number: 8459188
    Abstract: A magnetic levitation railway is described which comprises a guideway, at least one magnetic levitation vehicle and a device for contactless, inductive transmission of electrical energy from said guideway to said vehicle. According to the invention the device comprises at least two receiver coils (27a, 27b) being formed by conductor windings and mounted on the vehicle and at least one primary conductor extending in the longitudinal direction of the guideway and being connected to a high-frequency alternating voltage source. The two receiver coils (27a, 27b) are assigned either jointly to the same primary conductor or individually to one of two primary conductors each (FIG. 4).
    Type: Grant
    Filed: March 12, 2005
    Date of Patent: June 11, 2013
    Assignee: Thyssenkrupp Transrapid GmbH
    Inventors: Luitpold Miller, Friedrich Loeser
  • Publication number: 20130112519
    Abstract: 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.
    Type: Application
    Filed: December 21, 2010
    Publication date: May 9, 2013
    Applicant: BOMBARDIER TRANSPORTATION GMBH
    Inventor: Dominik Anders
  • Publication number: 20130098723
    Abstract: 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.
    Type: Application
    Filed: October 15, 2010
    Publication date: April 25, 2013
    Applicant: Korea Advances Institute of Science and Technology
    Inventors: Dong Ho Cho, Nam Pyo Suh, Chang Kyoung Eem, Young Min Kim, Sang Joo Yoo, Hyun Woo Chu, Mi Hyun Park
  • Publication number: 20130098724
    Abstract: 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.
    Type: Application
    Filed: December 16, 2010
    Publication date: April 25, 2013
    Inventors: Nam Pyo Suh, Dong Ho Cho, Chun Taek Rim, Jong Woo Kim, Kyung Min Park, Bo Yune Song, Young Dong Son, Joo Young Choi, Byung O. Kong, Sung Jun Son, Ji Chul Jang, Chae Hun Lim
  • Publication number: 20130092491
    Abstract: 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.
    Type: Application
    Filed: October 18, 2010
    Publication date: April 18, 2013
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Nam Pyo Suh, Soon Heung Chang, Dong Ho Cho, Jung Goo Cho, Chun Taek Rim, Gu Ho Jeong, Kyung Hun Lee, Bo Yune Song, Yang Jin Cho, Chae Hun Lim, Jong Woo Kim, Young Dong Son, Joo Young Choi, Ji Chul Jang, In Lee, Eun Ho Kim, Myung Koo Kang
  • Patent number: 8421410
    Abstract: A resonance type non-contact charging device includes a high frequency power source, a primary side resonant coil, a secondary side resonant coil, a charger, a secondary battery, and a stop control unit. The primary side resonant coil receives supply of high frequency electric power from the high frequency power source. The secondary side resonant coil is arranged apart from the primary side resonant coil in a non-contact manner. The secondary side resonant coil receives electric power from the primary side resonant coil through magnetic field resonance between the primary side resonant coil and the secondary side resonant coil. The charger receives supply of high frequency electric power from the secondary side resonant coil. The secondary battery is connected to the charger. The stop control unit stops the high frequency power source before stopping the charger when charging is to be stopped.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: April 16, 2013
    Assignees: Kabushiki Kaisha Toyota Jidoshokki, Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazuyoshi Takada, Sadanori Suzuki, Kenichi Nakata, Shimpei Sakoda, Yukihiro Yamamoto, Shinji Ichikawa, Tetsuhiro Ishikawa
  • Patent number: 8418823
    Abstract: 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.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: April 16, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Naohide Matsumura
  • Patent number: 8421411
    Abstract: A resonance type non-contact charging device includes a high frequency power source, a primary side resonant coil, a secondary side resonant coil, a charger, a secondary battery, and a stop control unit. The primary side resonant coil receives supply of high frequency electric power from the high frequency power source. The secondary side resonant coil is arranged apart from the primary side resonant coil in a non-contact manner. The secondary side resonant coil receives electric power from the primary side resonant coil through magnetic field resonance between the primary side resonant coil and the secondary side resonant coil. The charger receives supply of high frequency electric power from the secondary side resonant coil. The secondary battery is connected to the charger. The stop control unit stops the high frequency power source before stopping the charger when charging is to be stopped.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: April 16, 2013
    Assignees: Kabushiki Kaisha Toyota Jidoshokki, Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazuyoshi Takada, Sadanori Suzuki, Kenichi Nakata, Shimpei Sakoda, Yukihiro Yamamoto, Shinji Ichikawa, Tetsuhiro Ishikawa
  • Publication number: 20130037365
    Abstract: 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.
    Type: Application
    Filed: March 9, 2011
    Publication date: February 14, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Shinji Ichikawa
  • Patent number: 8360216
    Abstract: The invention relates to a system for transferring electric energy to a vehicle, in particular to a track bound vehicle such as a light rail vehicle, wherein the system comprises an electric conductor arrangement for producing an alternating electromagnetic field and for thereby transferring the energy to the vehicle, the electric conductor arrangement comprises at least two lines, wherein each line is adapted to carry a different one of phases of an alternating electric current, the conductor arrangement comprises a plurality of segments, wherein each segment extends along a different section of the path of travel of the vehicle, each segment comprises sections of the at least two lines and each segment can be switched on and off separately of the other segments.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: January 29, 2013
    Assignee: Bombardier Transportation GmbH
    Inventors: Jürgen Meins, Kurt Vollenwyder
  • Publication number: 20130020161
    Abstract: 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.
    Type: Application
    Filed: September 17, 2010
    Publication date: January 24, 2013
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOG
    Inventors: Nam Pyo Suh, Soon Heung Chang, Dong Ho Cho, Gyu Hyeong Cho, Chun Taek Rim, Jung Goo Cho, Joung Ho Kim
  • Patent number: 8347789
    Abstract: A transport system, including a rail system and carriages movably disposed thereon, the rails being encompassed by a primary conductor system to which at least one secondary coil, included by the carriage, is inductively coupled for the contactless transfer of electrical energy and/or information.
    Type: Grant
    Filed: January 13, 2007
    Date of Patent: January 8, 2013
    Assignee: Sew-Eurodrive GmbH & Co. KG
    Inventors: Konstantin Wolf, Josef Schmidt, Günter Becker, Leobald Podbielski
  • Publication number: 20120318624
    Abstract: 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. At least one receiving antenna for receiving the electromagnetic field is mounted on the track of the vehicle. A detector device which is connected to the at least one receiving antenna and is adapted to produce a detection signal depending on a received field intensity of the electromagnetic field that is received by the at least one receiving antenna.
    Type: Application
    Filed: February 22, 2011
    Publication date: December 20, 2012
    Applicant: BOMBARDIER TRANSPORTATION GMBH
    Inventors: Timothy Russell Dickson, Kurt Vollenwyder, Sidney Berry
  • Publication number: 20120267209
    Abstract: The invention relates to a device for inductively transmitting electrical energy to displaceable consumers (F1-F13) that can be moved along a track, having a primary conductor arrangement (2) divided into route segments (3-7) that are electrically separated from each other, and extending along the track, wherein individual route segments (3-7) are each associated with at least one current source (3?-7?) for imprinting a continuous current into each of the route segments (3-7), and to a corresponding method. The aim of the invention is to supply the displaceable consumers in an energy-saving manner with electric energy matched to demand, and to allow short reaction times when operating the device.
    Type: Application
    Filed: July 21, 2010
    Publication date: October 25, 2012
    Applicant: CONDUCTIX-WAMPFLER AG
    Inventors: Mathias Wechlin, Andrew Green
  • Patent number: 8292052
    Abstract: 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.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: October 23, 2012
    Assignee: General Electric Company
    Inventors: Adnan Kutubuddin Bohori, Ajith Kuttannair Kumar, Bret Dwayne Worden, James William Bray, Somakumar Ramachandrapanicker, Arvind Kumar Tiwari, Suma Memana Narayana Bhat
  • Publication number: 20120217111
    Abstract: A roadway powered electric vehicle system includes a power supply (101) which makes power available inductively to one or more modules (111) provided in or under a roadway. Modules (111) make a magnetic field selectively available to one or more vehicles travelling over the roadway corresponding to the location of the vehicle. The presence or strength of the magnetic field provided on the roadway may be dependent upon the vehicle type or category.
    Type: Application
    Filed: August 6, 2010
    Publication date: August 30, 2012
    Inventors: John Talbot Boys, Grant Anthony Covic
  • Patent number: 8240406
    Abstract: A system and method for powering of a vehicle is disclosed. In accordance with embodiments of the present disclosure, a powering assembly may include an axle, a wheel coupled to the axle, and at least one secondary coil winding affixed to the wheel. The wheel may be configured to rotate about the axle in a plane substantially perpendicular to an axis of the axle. The at least one secondary coil may be configured such that when the wheel is proximate to an embedded conductor embedded in a roadway and carrying a first electrical current, a magnetic field induced by the first electrical current induces a second electrical current in the at least one secondary coil winding.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: August 14, 2012
    Assignee: Blue Wheel Technologies, Inc.
    Inventors: Laurian Stoicoviciu, Spencer Sharp
  • Publication number: 20120186927
    Abstract: 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.
    Type: Application
    Filed: February 11, 2010
    Publication date: July 26, 2012
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Nam Pyo Suh, Soon Heung Chang, Dongho Cho, Chun Taek Rim, Jung Goo Cho, Kyung-Soo Kim, Yong Hoon Jeong, Yong San Yoon, Gu Ho Jeong
  • Patent number: 8220568
    Abstract: A system and method for powering of a vehicle is disclosed. In accordance with embodiments of the present disclosure, a powering assembly may a carrier having one or more structural elements, an axle coupled to the carrier, a wheel coupled to the axle and configured to rotate about the axle in a plane substantially perpendicular to an axis of the axle and substantially linear rod mechanically coupled to the carrier such that the longitudinal axis of the rod is perpendicular to the axis of the axle. A secondary coil winding may be affixed to the rod and configured such that when the rod is proximate to an embedded conductor embedded in a roadway and carrying a first electrical current, a magnetic field induced by the first electrical current induces a second electrical current in the secondary coil winding.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 17, 2012
    Assignee: Blue Wheel Technologies, Inc.
    Inventor: Laurian Stoicoviciu
  • Patent number: 8212520
    Abstract: A resonance type non-contact charging device includes a high frequency power source, a primary side resonant coil, a secondary side resonant coil, a charger, a secondary battery, and a stop control unit. The primary side resonant coil receives supply of high frequency electric power from the high frequency power source. The secondary side resonant coil is arranged apart from the primary side resonant coil in a non-contact manner. The secondary side resonant coil receives electric power from the primary side resonant coil through magnetic field resonance between the primary side resonant coil and the secondary side resonant coil. The charger receives supply of high frequency electric power from the secondary side resonant coil. The secondary battery is connected to the charger. The stop control unit stops the high frequency power source before stopping the charger when charging is to be stopped.
    Type: Grant
    Filed: December 24, 2009
    Date of Patent: July 3, 2012
    Assignees: Kabushiki Kaisha Toyota Jikoshikki, Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazuyoshi Takada, Sadanori Suzuki, Kenichi Nakata, Shimpei Sakoda, Yukihiro Yamamoto, Shinji Ichikawa, Tetsuhiro Ishikawa
  • Publication number: 20120145500
    Abstract: 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.
    Type: Application
    Filed: July 29, 2011
    Publication date: June 14, 2012
    Applicant: ATS AUTOMATION TOOLING SYSTEMS INC.
    Inventors: Darragh Staunton, Albert Kleinikkink, John Ditner, Scott Lindsay, Javan Taylor
  • Patent number: 8193886
    Abstract: A reception unit is provided including a receiver coil for the contactless transfer of electric energy. The receiver coil includes a plurality of flux guiding elements (16a, 16b) that are made of a highly permeable material and that are designed to concentrate the field lines. The flux guiding elements (16a, 16b) form a continuous molded part that is embodied in a base body (18) and that is combined with the base body to form a component that can be completely prefabricated. The molded part is produced by casting and the base body (18) is used as a casting mold.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: June 5, 2012
    Assignee: ThyssenKrupp Transrapid GmbH
    Inventors: Wolfgang Hahn, Qinghua Zheng, Andreas Diekmann
  • Publication number: 20120103741
    Abstract: 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.
    Type: Application
    Filed: March 5, 2010
    Publication date: May 3, 2012
    Applicant: Korean Advanced Institute of Science and Technology
    Inventors: Nam Pyo Suh, Soon Heung Chang, Dongho Cho, Gyu Hyeong Cho, Chun Taek Rim, Jung Goo Cho
  • Publication number: 20120085610
    Abstract: The ground-based electric power supply system (1) for a transportation vehicle (T), includes: a transportation vehicle (T), a plurality of elements (4) emitting an electromagnetic field in order to power the transportation vehicle (T) by induction, the emitting elements (4) being positioned and spaced apart from each other along the circulation track of the transportation vehicle (T), a device (5) for receiving the energy emitted by the plurality of emitting elements (4), borne by the transport vehicle (T), means (6) for electrically powering the plurality of emitting elements (4) selectively, the means (6) being laid out so as to electrically power at least one emitting element (4) when the vehicle (T) is located above said at least one emitting element (4), characterized in that the length (L) of the receiving device (5) measured in the direction of circulation of the vehicle, is greater than the distance (D) which separates two consecutive emitting elements (4) along the circulation track.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 12, 2012
    Applicant: ALSTOM TRANSPORT SA
    Inventor: Jean-Luc ALEXANDRE
  • Publication number: 20120085611
    Abstract: 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.
    Type: Application
    Filed: December 16, 2011
    Publication date: April 12, 2012
    Applicant: ENERGY RECOVERY TECHNOLOGY, LLC
    Inventor: Imad Mahawili
  • Publication number: 20120055751
    Abstract: 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 (200) adapted to receive an alternating electromagnetic field and to produce an alternating electric current by electromagnetic induction. The receiving device (200) comprises a plurality of windings and/or coils (9, 10, 11) of electrically conducting material, wherein each winding or coil (9, 10, 11) is adapted to produce a separate phase of the alternating electric current.
    Type: Application
    Filed: September 17, 2009
    Publication date: March 8, 2012
    Applicant: BOMBARDIER TRANSPORTATION GMBH
    Inventors: Kurt Vollenwyder, Jürgen Meins, Carsten Struve
  • Publication number: 20120012406
    Abstract: A system and method for powering of a vehicle is disclosed. In accordance with embodiments of the present disclosure, a powering assembly may a carrier having one or more structural elements, an axle coupled to the carrier, a wheel coupled to the axle and configured to rotate about the axle in a plane substantially perpendicular to an axis of the axle and substantially linear rod mechanically coupled to the carrier such that the longitudinal axis of the rod is perpendicular to the axis of the axle. A secondary coil winding may be affixed to the rod and configured such that when the rod is proximate to an embedded conductor embedded in a roadway and carrying a first electrical current, a magnetic field induced by the first electrical current induces a second electrical current in the secondary coil winding.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 19, 2012
    Inventor: Laurian Stoicoviciu