IP Library Granted Patent US 9,318,922
Granted Patent B2
US 9,318,922 · App. 13/834,366 · Granted Apr 19, 2016

Mechanically removable wireless power vehicle seat assembly

Inventors: Katherine L. Hall (Arlington, MA); Konrad Kulikowski (North Andover, MA); Morris P. Kesler (Bedford, MA); Andre B. Kurs (Chestnut Hill, MA); Steve J. Ganem (Westwood, MA); David A. Schatz (Needham, MA); Eric R. Giler (Boston, MA)
Assignee: WiTricity Corporation
H02J17/00B60L1/00H02J5/005H03H7/40B60L2200/26
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Quick Facts
Patent No.
US 9,318,922
App. No.
13/834,366
Granted
Apr 19, 2016
Kind
B2
Abstract

Described herein are improved capabilities for a system and method for wireless energy distribution to a mechanically removable vehicle seat, comprising a source resonator coupled to an energy source of a vehicle, the source resonator positioned proximate to the mechanically removable vehicle seat, the source resonator generating an oscillating magnetic field with a resonant frequency and comprising a high-conductivity material adapted and located between the source resonator and a vehicle surface to direct the oscillating magnetic field away from the vehicle surface, and a receiving resonator integrated into the mechanically removable vehicle seat, the receiving resonator having a resonant frequency similar to that of the source resonator, and receiving wireless energy from the source resonator, and providing power to electrical components integrated with the mechanically removable vehicle seat.

Claims (50)

1. A system for wireless energy distribution to a mechanically removable vehicle seat, the system comprising:

a source resonator coupled to an energy source of a vehicle, the source resonator positioned proximate to but physically separated from the mechanically removable vehicle seat, the source resonator generating an oscillating magnetic field with a resonant frequency and comprising a high-conductivity material adapted and located between the source resonator and a vehicle surface to direct the oscillating magnetic field away from the vehicle surface and toward at least part of the mechanically removable vehicle seat; and

a second resonator integrated into the mechanically removable vehicle seat, the second resonator having a resonant frequency similar to that of the source resonator, receiving wireless energy from the source resonator, and providing power to electrical components integrated with the mechanically removable vehicle seat.

2. The system of claim 1 , wherein at least one of the electrical components is a third resonator integrated proximate to the back portion of the vehicle seat, the third resonator comprising a high-conductivity material adapted and located between the third resonator and the interior of the vehicle seat to direct the oscillating magnetic field away from the interior of the vehicle seat, wherein the third resonator provides an effective wireless energy transfer area concentrated dominantly behind the vehicle seat.

3. The system of claim 2 , wherein the third resonator is electrically connected to the second resonator through a wired connection.

4. The system of claim 2 , wherein a wireless energy enabled electrical device located within the wireless energy transfer area receives wireless energy from at least one of the second resonator and the third resonator.

5. The system of claim 1 , further comprising a repeater resonator integrated proximate to the back portion of the vehicle seat the repeater resonator having a resonant frequency similar to the source resonant frequency and comprising a high-conductivity material adapted and located between the repeater resonator and the interior of the vehicle seat to direct the oscillating magnetic field away from the interior of the vehicle seat, wherein the repeater resonator provides an effective wireless energy transfer area substantially behind the vehicle seat.

6. The system of claim 5 , wherein a wireless energy enabled electrical device located within the wireless energy transfer area receives wireless energy from the repeater resonator.

7. The system of claim 1 , wherein the at least one of the electrical components is a seat heater.

8. The system of claim 1 , wherein the at least one of the electrical components is an electric seat-position adjustment actuator.

9. The system of claim 1 , wherein the at least one of the electrical components is an entertainment device.

10. The system of claim 1 , wherein the high-conductivity material is used to shape the resonator fields of the source resonator such that they avoid lossy objects in the vehicle surface.

11. The system of claim 1 , wherein the high-conductivity material is covered on at least one side by a layer of magnetic material to improve the electromagnetic coupling between the source resonator and the second resonator.

12. A method for wireless energy distribution to a mechanically removable vehicle seat, the method comprising:

providing a source resonator coupled to an energy source of a vehicle, the source resonator positioned proximate to the mechanically removable vehicle seat, the source resonator generating an oscillating magnetic field with a frequency and comprising a high-conductivity material adapted and located between the source resonator and a vehicle surface to direct the oscillating magnetic field away from the vehicle surface; and

receiving energy from the oscillating magnetic field of the source resonator by a receiving resonator integrated into the mechanically removable vehicle seat, the receiving resonator having a resonant frequency similar to that of the source resonator and providing power to electrical components integrated with the mechanically removable vehicle seat.

13. The method of claim 12 , wherein at least one of the electrical components is a second resonator integrated proximate to the back portion of the vehicle seat, the second resonator comprising a high-conductivity material adapted and located between the second resonator and the interior of the vehicle seat to direct the oscillating magnetic field away from the interior of the vehicle seat, wherein the second resonator provides an effective wireless energy transfer area concentrated dominantly behind the vehicle seat.

14. The method of claim 13 , wherein the second resonator is electrically connected to the receiving resonator through a wired connection.

15. The method of claim 13 , wherein a wireless energy enabled electrical device located within the wireless energy transfer area receives wireless energy from the second resonator.

16. The method of claim 12 , further comprising a repeater resonator integrated proximate to the back portion of the vehicle seat the repeater resonator having a resonant frequency similar to the source resonant frequency and comprising a high-conductivity material adapted and located between the repeater resonator and the interior of the vehicle seat to direct the oscillating magnetic field away from the interior of the vehicle seat, wherein the repeater resonator provides an effective wireless energy transfer area substantially behind the vehicle seat.

17. The method of claim 16 , wherein a wireless energy enabled electrical device located within the wireless energy transfer area receives wireless energy from the repeater resonator.

18. The method of claim 12 , wherein the at least one of the electrical components is a seat heater.

19. The method of claim 12 , wherein the at least one of the electrical components is an electric seat-position adjustment actuator.

20. The method of claim 12 , wherein the at least one of the electrical components is an entertainment device.

21. The method of claim 12 , wherein the high-conductivity material is used to shape the resonator fields of the source resonator such that they avoid lossy objects in the vehicle surface.

22. The method of claim 12 , wherein the high-conductivity material is covered on at least one side by a layer of magnetic material to improve the electromagnetic coupling between the source resonator and the receiving resonator.

23. A system for wireless energy distribution from a source resonator to a mechanically removable vehicle seat, the source resonator coupled to an energy source of a vehicle and generating an oscillating magnetic field with a resonant frequency, the system comprising:

a receiving resonator integrated into the mechanically removable vehicle seat, the receiving resonator comprising a high-conductivity material adapted and located between the receiving resonator and the interior of the vehicle seat to direct the oscillating magnetic field of the source resonator away from the interior of the vehicle seat, having a resonant frequency similar to that of the source resonator, receiving wireless energy from the source resonator, and providing power to electrical components integrated with the mechanically removable vehicle seat.

24. The system of claim 23 , wherein at least one of the electrical components is a second resonator integrated proximate to the back portion of the vehicle seat, the second resonator comprising a high-conductivity material adapted and located between the second resonator and the interior of the vehicle seat to direct the oscillating magnetic field away from the interior of the vehicle seat, wherein the second resonator provides an effective wireless energy transfer area concentrated dominantly behind the vehicle seat.

25. The system of claim 24 , wherein the second resonator is electrically connected to the receiving resonator through a wired connection.

26. The system of claim 24 , wherein a wireless energy enabled electrical device located within the wireless energy transfer area receives wireless energy from the second resonator.

27. The system of claim 23 , further comprising a repeater resonator integrated proximate to the back portion of the vehicle seat the repeater resonator having a resonant frequency similar to the source resonant frequency and comprising a high-conductivity material adapted and located between the repeater resonator and the interior of the vehicle seat to direct the oscillating magnetic field away from the interior of the vehicle seat, wherein the repeater resonator provides an effective wireless energy transfer area substantially behind the vehicle seat.

28. The system of claim 27 , wherein a wireless energy enabled electrical device located within the wireless energy transfer area receives wireless energy from the repeater resonator.

29. The system of claim 23 , wherein the at least one of the electrical components is a seat heater.

30. The system of claim 23 , wherein the at least one of the electrical components is an electric seat-position adjustment actuator.

31. The system of claim 23 , wherein the at least one of the electrical components is an entertainment device.

32. The system of claim 23 , wherein the high-conductivity material is used to shape the resonator fields of the source resonator such that they avoid lossy objects in the mechanically removable vehicle seat.

33. The system of claim 23 , wherein the high-conductivity material is covered on at least one side by a layer of magnetic material to improve the electromagnetic coupling between the source resonator and the receiving resonator.

34. A method for wireless energy distribution from a source resonator to a mechanically removable vehicle seat, the source resonator coupled to an energy source of a vehicle and generating an oscillating magnetic field with a resonant frequency, the method comprising:

receiving energy from the oscillating magnetic field of the source resonator by a receiving resonator comprising a high-conductivity material adapted and located between the receiving resonator and the interior of the vehicle seat to direct the oscillating magnetic field of the source resonator away from the interior of the vehicle seat, the receiving resonator integrated into the mechanically removable vehicle seat, having a resonant frequency similar to that of the source resonator, and providing power to electrical components integrated with the mechanically removable vehicle seat.

35. The method of claim 34 , wherein at least one of the electrical components is a second resonator integrated proximate to the back portion of the vehicle seat, the second resonator comprising a high-conductivity material adapted and located between the second resonator and the interior of the vehicle seat to direct the oscillating magnetic field away from the interior of the vehicle seat, wherein the second resonator provides an effective wireless energy transfer area concentrated dominantly behind the vehicle seat.

36. The method of claim 35 , wherein the second resonator is electrically connected to the receiving resonator through a wired connection.

37. The method of claim 35 , wherein a wireless energy enabled electrical device located within the wireless energy transfer area receives wireless energy from the second resonator.

38. The method of claim 34 , further comprising a repeater resonator integrated proximate to the back portion of the vehicle seat the repeater resonator having a resonant frequency similar to the source resonant frequency and comprising a high-conductivity material adapted and located between the repeater resonator and the interior of the vehicle seat to direct the oscillating magnetic field away from the interior of the vehicle seat, wherein the repeater resonator provides an effective wireless energy transfer area substantially behind the vehicle seat.

39. The method of claim 38 , wherein a wireless energy enabled electrical device located within the wireless energy transfer area receives wireless energy from the repeater resonator.

40. The method of claim 34 , wherein the at least one of the electrical components is a seat heater.

41. The method of claim 34 , wherein the at least one of the electrical components is an electric seat-position adjustment actuator.

42. The method of claim 34 , wherein the at least one of the electrical components is an entertainment device.

43. The method of claim 34 , wherein the high-conductivity material is used to shape the resonator fields of the source resonator such that they avoid lossy objects in the mechanically removable vehicle seat.

44. The method of claim 34 , wherein the high-conductivity material is covered on at least one side by a layer of magnetic material to improve the electromagnetic coupling between the source resonator and the receiving resonator.

Assignments (4)
ASSIGNMENT OF SECURITY INTEREST Recorded Dec 18, 2025
From: AIR WAVES WIRELESS ELECTRICITY IV, LLC
To: WITRICITY AI TECH, LLC
Reel/Frame 074004/0929 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 16, 2025
From: WITRICITY CORPORATION
To: WITRICITY AI TECH, LLC
Reel/Frame 073982/0106 →
SECURITY INTEREST Recorded Dec 5, 2025
From: WITRICITY CORPORATION; WITRICITY HOLDINGS, INC.
To: AIR WAVES WIRELESS ELECTRICITY IV, LLC, AS COLLATERAL AGENT FOR LENDERS
Reel/Frame 073860/0204 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 18, 2014
From: HALL, KATHERINE L.; KULIKOWSKI, KONRAD; KESLER, MORRIS P.; KURS, ANDRE B.; GANEM, STEVE J.; SCHATZ, DAVID A.; GILER, ERIC R.
To: WITRICITY CORPORATION
Reel/Frame 032466/0294 →
Continuity (62)
Continuation In Part 13283811 · Oct 28, 2011
Continuation In Part 12567716 · Sep 25, 2009
Continuation In Part 13232868 · Sep 14, 2011
Continuation In Part 12899281 · Oct 6, 2010
Continuation In Part 12770137 · Apr 29, 2010
Continuation In Part 12721118 · Mar 10, 2010
Continuation In Part 12613686 · Nov 6, 2009
Continuation 12567716 · Sep 25, 2009
Continuation In Part 13222915 · Aug 31, 2011
Continuation In Part 13154131 · Jun 6, 2011
Continuation In Part 13090369 · Apr 20, 2011
Continuation In Part 13021965 · Feb 7, 2011
Continuation In Part 12986018 · Jan 6, 2011
Continuation In Part 12986018 · Jan 6, 2011
Continuation In Part 12789611 · May 28, 2010
Continuation In Part 12770137 · Apr 29, 2010
Continuation In Part 12767633 · Apr 26, 2010
Continuation In Part 12759047 · Apr 13, 2010
Continuation In Part 12757716 · Apr 9, 2010
Continuation In Part 12749571 · Mar 30, 2010
Continuation In Part 12639489 · Dec 16, 2009
Continuation In Part 12647705 · Dec 28, 2009
Continuation In Part 12567716 · Sep 25, 2009
Continuation In Part 12721118 · Mar 10, 2010
Continuation In Part 12705582 · Feb 13, 2010
Continuation In Part 12860375 · Aug 20, 2010
Continuation In Part 12759047 · Apr 13, 2010
Continuation In Part 12722050 · Mar 11, 2010
Continuation In Part 12612880 · Nov 5, 2009
Continuation 12698523 · Feb 2, 2010
Continuation In Part 12567716 · Sep 25, 2009
Continuation In Part 12567716 · Sep 25, 2009
Provisional Application 61382806 · Sep 14, 2010
Provisional Application 61378600 · Aug 31, 2010
Provisional Application 61411490 · Nov 9, 2010
Provisional Application 61351492 · Jun 4, 2010
Provisional Application 61326051 · Apr 20, 2010
Provisional Application 61292768 · Jan 6, 2010
Provisional Application 61173747 · Apr 29, 2009
Provisional Application 61172633 · Apr 24, 2009
Provisional Application 61100721 · Sep 27, 2008
Provisional Application 61108743 · Oct 27, 2008
Provisional Application 61147386 · Jan 26, 2009
Provisional Application 61152086 · Feb 12, 2009
Provisional Application 61178508 · May 15, 2009
Provisional Application 61182768 · Jun 1, 2009
Provisional Application 61121159 · Dec 9, 2008
Provisional Application 61142977 · Jan 7, 2009
Provisional Application 61142885 · Jan 6, 2009
Provisional Application 61142796 · Jan 6, 2009
Provisional Application 61142889 · Jan 6, 2009
Provisional Application 61142880 · Jan 6, 2009
Provisional Application 61142818 · Jan 6, 2009
Provisional Application 61142887 · Jan 6, 2009
Provisional Application 61156764 · Mar 2, 2009
Provisional Application 61143058 · Jan 7, 2009
Provisional Application 61163695 · Mar 26, 2009
Provisional Application 61169240 · Apr 14, 2009
Provisional Application 61152390 · Feb 13, 2009
Provisional Application 61523998 · Aug 16, 2011
Provisional Application 61254559 · Oct 23, 2009
Related Publication 20130221744A1 · Aug 29, 2013