METHOD OF ELECTRIC ENERGY TRANSFER BETWEEN A VEHICLE AND A STATIONARY COLLECTOR

• US 20090153099A1
• Filed: 12/16/2008
• Published: 06/18/2009
• Est. Priority Date: 12/17/2007
• Status: Abandoned Application

• Current Assignee: Energy Recovery Technology, LLC
• Original Assignee: Energy Recovery Technology, LLC
• Inventors: Mahawili, Imad
• Application Number:
  US12/336,006
• Publication Number:
  US 20090153099A1
• Time in Patent Office: Days
• US Class Current: 320/109
• CPC Class Codes: B60L 53/12 Inductive energy transfer
• CPC Class Codes: B60L 53/122 Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
• CPC Class Codes: B60L 53/126 Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
• CPC Class Codes: B60L 55/00 Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/00045 Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y04S 10/126 the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]

Abstract

A vehicle includes an amplifier, a vehicle battery for supplying electrical power to the amplifier, a frequency generator for generating an input signal for the amplifier, and a control system. The amplifier is in communication with the frequency generator for selectively increasing the power of the input signal and outputting an output signal having a frequency and an increased power than the input signal. The control system includes a sensor for detecting the presence of a stator exteriorly of the vehicle and is in communication with the frequency generator and the amplifier. The vehicle also includes a magnetic field generating device for generating a magnetic field. The amplifier is in communication with the magnetic field generating device, and the magnetic field generating device generates a magnetic field in response to receiving the output signal from the amplifier.

Claims

1. A vehicle comprising:

an amplifier;

a vehicle battery for supplying electrical power to said amplifier;

a frequency generator generating an input signal for said amplifier, said input signal having a frequency;

said amplifier in communication with said frequency generator for selectively increasing the power of said input signal and outputting an output signal having said frequency and an increased power than said input signal;

a control system, said control system including a sensor for detecting the presence of a stator exteriorly of the vehicle and in communication with said frequency generator and said amplifier; and

a magnetic field generating device for generating a magnetic field, said amplifier in communication with said magnetic field generating device, and said magnetic field generating device generating a magnetic field in response to receiving said output signal from said amplifier.

2. The vehicle according to claim 1, wherein said frequency generator comprises a variable frequency generator.

3. The vehicle according to claim 2, wherein said control system generates input signals to said generator to vary the frequency of said frequency generator.

4. The vehicle according to claim 1, wherein said magnetic field generating device comprises a metal coil and a metal core.

5. The vehicle according to claim 4, wherein said core comprises a metal core having a high nickel content.

6. The vehicle according to claim 1, further comprising a housing, said housing supporting and mounting said magnetic field generating device to said vehicle.

7. The vehicle according to claim 6, wherein said magnetic field generating device has a bottom side, and said magnetic generating device being encased by said housing on all sides except the bottom side.

8. The vehicle according to claim 1, said control system further including a sensor, said sensor detecting the speed of the vehicle.

9. The vehicle according to claim 8, wherein said control system is configured to generate a drive signal to said amplifier when said sensor senses said vehicle is stationary.

10. An energy transfer system comprising:

a vehicle;

a control system;

a magnetic field generating device in communication with said control system and producing a variable magnetic field in response to signals from said control system, said device mounted to said vehicle; and

a circuit, said circuit including a stationary conductor adapted for placing in or adjacent the vehicle wherein the magnetic field of said magnetic field generating device induces alternating current flow through said circuit when said vehicle is in proximity to said conductor, wherein said magnetic field generating device is configured to generate current flow in said stationary conductor even when said vehicle is stationary.

11. The energy transfer system according to claim 10, wherein said control system includes a frequency generator, said frequency generator producing a signal, said signal generating current flow through said magnetic field generating device.

12. The energy transfer system according to claim 11, further comprising an amplifier for increasing the power of the signal from said frequency generator.

13. The energy transfer system according to claim 12, wherein said circuit forms an AC circuit.

14. The energy transfer system according to claim 13, wherein said circuit includes an energy storage device.

15. An energy transfer system comprising:

a vehicle, said vehicle including a signal generating device;

a stationary magnetic field generating device located exteriorly of said vehicle;

a non-vehicle-based control system for controlling and powering said stationary magnetic field generating device; and

a vehicle-based recharging circuit having a vehicle-based conductor and a vehicle-based energy storage device provided at said vehicle, and said control system driving said stationary magnetic field generating device in response to receiving a signal from said signal generator to thereby generate a magnetic field to transfer energy to said vehicle-based conductor to thereby recharge said vehicle-based energy storage device on the vehicle.

16. The energy transfer system according to claim 15, wherein said control system is configured to generate an alternating current and powering said magnetic field generating device with said alternating current.

17. The energy transfer system according to claim 15, wherein said vehicle comprises an automobile.

18. The energy transfer system according to claim 15, further comprising a use input in communication with said signal generator, said signal generator device generating said signal in response to said user input.

19. The energy transfer system according to claim 18, wherein said user input comprises a button or a switch.

20. The energy transfer system according to claim 15, further comprising a stationary conductor, said vehicle including a vehicle-based magnetic field generating device and a vehicle-based control system for controlling and powering said vehicle-based magnetic field generating device, said signal comprising a first signal, and said signal generating a second signal, and said non-vehicle-based control system driving said stationary magnetic field generating device in response to receiving said first signal, and said vehicle-based control system driving said vehicle-based magnetic field generating device in response to said second signal wherein the magnetic field is generated by said vehicle-based magnetic field generating device generates current flow in said stationary conductor when said vehicle is in close proximity to said stationary conductor.

21. The energy transfer system according to claim 20, further comprising a user input device, said user input device in communication with said signal generator, and said signal generator generating said first signal or said second signal in response to input from said user input device.

22. The energy transfer system according to claim 20, wherein said first signal includes vehicle identification data, and said non-vehicle-based control system measures the amount of energy transferred to the vehicle and associate the amount with the vehicle identification data.

23. The energy transfer system according to claim 22, wherein said non-vehicle-based control system includes a memory device, said amount of energy transferred to the vehicle and associated vehicle identification being stored in memory device.