Wireless power transmission systems for elevators
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B66B-001/34
H02J-017/00
H02J-005/00
B66B-007/00
H02J-050/40
H02J-050/70
H02J-050/12
H02J-007/02
출원번호
US-0704585
(2015-05-05)
등록번호
US-9837860
(2017-12-05)
발명자
/ 주소
McCarthy, Colin
Lou, Herbert Toby
Guckaya, Gozde
출원인 / 주소
WiTricity Corporation
대리인 / 주소
Fish & Richardson P.C.
인용정보
피인용 횟수 :
4인용 특허 :
225
초록▼
The disclosure features a wireless power transmission system for an elevator that includes at least two wireless power sources disposed at intervals along a wall of an elevator shaft and coupled to a power supply, and at least one wireless power receiving device configured to be mounted to an exteri
The disclosure features a wireless power transmission system for an elevator that includes at least two wireless power sources disposed at intervals along a wall of an elevator shaft and coupled to a power supply, and at least one wireless power receiving device configured to be mounted to an exterior of an elevator cab and to be coupled to a load onboard the elevator cab, where during operation, the at least two wireless power sources are configured to generate an oscillating magnetic field to transfer wireless energy to the at least one wireless power receiving device.
대표청구항▼
1. A wireless power transmission system for an elevator, the system comprising: at least two wireless power sources disposed at intervals along a wall of an elevator shaft and coupled to a power supply; andat least one wireless power receiving device configured to be mounted to an exterior of an ele
1. A wireless power transmission system for an elevator, the system comprising: at least two wireless power sources disposed at intervals along a wall of an elevator shaft and coupled to a power supply; andat least one wireless power receiving device configured to be mounted to an exterior of an elevator cab and to be coupled to a load onboard the elevator cab,wherein during operation, the at least two wireless power sources are configured to generate an oscillating magnetic field to transfer wireless energy to the at least one wireless power receiving device; andwherein lengths of the intervals between the at least two sources are determined by an amount of power delivered to the elevator cab. 2. The system of claim 1, wherein the load comprises a battery. 3. The system of claim 1, further comprising a communication and control system coupled to at least one of the at least two wireless power sources. 4. The system of claim 3, wherein during operation, the communication and control system is configured to control an amount of energy transferred from the at least one of the at least two wireless power sources. 5. The system of claim 3, wherein during operation, the communication and control system is configured to activate the at least one of the at least two wireless power sources. 6. A wireless power transmission system for an elevator, the system comprising: at least two wireless power sources disposed at intervals along a wall of an elevator shaft and coupled to a power supply; andat least one wireless power receiving device configured to be mounted to an exterior of an elevator cab and to be coupled to a load onboard the elevator cab,wherein during operation, the at least two wireless power sources are configured to generate an oscillating magnetic field to transfer wireless energy to the at least one wireless power receiving device;wherein the load comprises a battery; andwherein lengths of the intervals between the at least two sources are determined by a power storage capacity of the battery. 7. The system of claim 6, further comprising a communication and control system coupled to at least one of the at least two wireless power sources. 8. The system of claim 7, wherein during operation, the communication and control system is configured to control an amount of energy transferred from the at least one of the at least two wireless power sources. 9. The system of claim 7, wherein during operation, the communication and control system is configured to activate the at least one of the at least two wireless power sources. 10. A wireless power transmission system for an elevator, the system comprising: at least two wireless power sources disposed at intervals along a wall of an elevator shaft and coupled to a power supply; andat least one wireless power receiving device configured to be mounted to an exterior of an elevator cab and to be coupled to a load onboard the elevator cab,wherein during operation, the at least two wireless power sources are configured to generate an oscillating magnetic field to transfer wireless energy to the at least one wireless power receiving device; andwherein one of the at least two wireless power sources is positioned at a location in the shaft where the elevator cab spends more time than at other positions within the shaft. 11. The system of claim 10, wherein during operation, wireless energy transferred from either one of the at least two wireless power sources is used to top-off a battery of the elevator cab. 12. The system of claim 10, further comprising at least one repeater, wherein during operation, the at least one repeater receives wireless energy from one of the at least two wireless power sources and transfers wireless energy to the at least one wireless power receiving device. 13. The system of claim 10, wherein the load comprises a battery. 14. The system of claim 10, further comprising a communication and control system coupled to at least one of the at least two wireless power sources. 15. The system of claim 14, wherein during operation, the communication and control system is configured to control an amount of energy transferred from the at least one of the at least two wireless power sources. 16. The system of claim 14, wherein during operation, the communication and control system is configured to control an amount of energy transferred from the at least one of the at least two wireless power sources. 17. A wireless power transmission system for an elevator, the system comprising: at least two wireless power sources disposed at intervals along a wall of an elevator shaft and coupled to a power supply;at least one wireless power receiving device configured to be mounted to an exterior of an elevator cab and to be coupled to a load onboard the elevator cab, the load comprising a battery; anda voltage monitor coupled to the battery,wherein during operation: the at least two wireless power sources are configured to generate an oscillating magnetic field to transfer wireless energy to the at least one wireless power receiving device; anda communication and control system of the at least one wireless power receiving device is configured to return the elevator cab to a position proximate to one of the at least two wireless power sources when the voltage monitor indicates a low battery level. 18. The system of claim 17, wherein during operation, a communication and control system of the one of the at least two wireless power sources is configured to control an amount of power transferred from the one of the at least two wireless power sources. 19. The system of claim 17, wherein during operation, the communication and control system is configured to control an amount of energy transferred from the at least one of the at least two wireless power sources. 20. A wireless power transmission system for an elevator, the system comprising: at least two wireless power sources disposed at intervals along a wall of an elevator shaft and coupled to a power supply; andat least one wireless power receiving device configured to be mounted to an exterior of an elevator cab and to be coupled to a load onboard the elevator cab,wherein during operation, the at least two wireless power sources are configured to generate an oscillating magnetic field to transfer wireless energy to the at least one wireless power receiving device; andwherein lengths of the intervals between the at least two sources are determined by a length of the elevator shaft. 21. The system of claim 20, wherein the load comprises a battery. 22. The system of claim 20, further comprising a communication and control system coupled to at least one of the at least two wireless power sources. 23. The system of claim 22, wherein during operation, the communication and control system is configured to control an amount of energy transferred from the at least one of the at least two wireless power sources. 24. The system of claim 22, wherein during operation, the communication and control system is configured to activate the at least one of the at least two wireless power sources. 25. A wireless power transmission system for an elevator, the system comprising: at least two wireless power sources disposed at intervals along a wall of an elevator shaft and coupled to a power supply; andat least one wireless power receiving device configured to be mounted to an exterior of an elevator cab and to be coupled to a load onboard the elevator cab,wherein during operation, the at least two wireless power sources are configured to generate an oscillating magnetic field to transfer wireless energy to the at least one wireless power receiving device; andwherein lengths of the intervals between the at least two sources are determined by a speed with which the elevator cab travels along the elevator shaft. 26. The system of claim 25 wherein the load comprises a battery. 27. The system of claim 25, further comprising a communication and control system coupled to at least one of the at least two wireless power sources. 28. The system of claim 27, wherein during operation, the communication and control system is configured to control an amount of energy transferred from the at least one of the at least two wireless power sources. 29. The system of claim 27, wherein during operation, the communication and control system is configured to activate the at least one of the at least two wireless power sources.
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