[특허]Polyphasic multi-coil electric device

Exro Technologies, Inc.

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Polyphasic multi-coil electric device

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02K-016/00 H02K-007/108
미국특허분류(USC)	310/078; 310/114
출원번호	US-0489326 (2012-06-05)
등록번호	US-8614529 (2013-12-24)
발명자 / 주소	Ritchey, Jonathan Gale
출원인 / 주소	Exro Technologies, Inc.
대리인 / 주소	Seed IP Law Group PLLC
인용정보	피인용 횟수 : 5 인용 특허 : 472

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A polyphasic multi-coil generator includes a drive shaft, at least first and second rotors rigidly mounted on the drive shaft so as to simultaneously synchronously rotate with rotation of the drive shaft, and at least one stator sandwiched between the first and second rotors. A stator array on the stator has an array of electrically conductive coils mounted to the stator in a first angular orientation about the drive shaft. The rotors each have an array of magnets which are circumferentially equally spaced around the rotor and located at the same radiall...

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1. A polyphasic multi-coil electric device comprising: a drive shaft;a first rotor having a first aperture for receiving said drive shaft, said first rotor having a first array of magnets circumferentially spaced on said first rotor;a second rotor having a second aperture for receiving said drive shaft, said second rotor having a second array of magnets circumferentially spaced on said second rotor, angular rotation of said first rotor being fixed relative to said second rotor and said first array of magnets being angularly offset in a drive shaft rotation direction from said second array of magnets;first and second stators interleaved with said first rotor and said second rotor, each of said first and second stators having an aperture for receiving said drive shaft and a stator array including electrically conductive coils mounted circumferentially on said first and second stators, said first and second rotors and said first and second stators being provided in substantially parallel planes;mechanisms for selectively coupling said first rotor and said second rotor to said drive shaft to rotate said first rotor and said second rotor relative to said first and second stators, rotation of said first rotor and said second rotor relative to said first and second stators for inducing a current in said electrically conductive coils of said first and second stators;wherein a drive shaft input force required to rotate said first rotor and said second rotor relative to said first and second stators is reduced by attractive magnetic forces that rotate said first array of magnets and said second array of magnets toward next electrically conductive coils in said drive shaft rotation direction. 2. A polyphasic multi-coil electric device as claimed in claim 1, wherein said mechanisms are current driven sensors including at least one solenoid. 3. A polyphasic multi-coil electric device as claimed in claim 1, wherein said mechanisms are clutches mounted within hubs of said first rotor and said second rotor, said clutches being selectively engageable by a splined portion of said drive shaft. 4. A polyphasic multi-coil electric device as claimed in claim 3, wherein said clutches include clutch splines, a clutch arm and clutch shoes, said clutch arm being rotatable relative to said clutch shoes to force said clutch shoes into engagement with said hubs and said clutch arm being rotatable with said clutch shoes to bring a rotational speed of said hubs into alignment with a rotational speed of said drive shaft. 5. A polyphasic multi-coil electric device as claimed in claim 4, wherein said hubs include splines for receiving said splined portion of said drive shaft, said splined portion of said drive shaft being moved into engagement with said splines of said hubs when said rotational speed of said hubs matches said rotational speed of said drive shaft. 6. A polyphasic multi-coil electric device as claimed in claim 3, wherein said splined portion of said drive shaft is axially movable by a shifter rod to engage clutches of successive rotors of said polyphasic multi-coil electric device, said subsequent rotors being interleaved with successive stators. 7. A polyphasic multi-coil electric device as claimed in claim 1, wherein each of said first array of magnets and said second array of magnets include pairs of magnets, each of said pairs of magnets including one magnet radially inner relative to said drive shaft and the other magnet radially outer relative to said drive shaft. 8. A polyphasic multi-coil electric device as claimed in claim 7, wherein each of said pairs of magnets are aligned along a common radial axis extending radially outwardly of said drive shaft. 9. A polyphasic multi-coil electric device as claimed in claim 1, wherein each of said electrically conductive coils is wrapped around a radial axis extending radially outward of said drive shaft. 10. A polyphasic multi-coil electric device as claimed in claim 1, wherein said electrically conductive coils are aligned end to end in a concentric circle around said drive shaft. 11. A polyphasic multi-coil electric device as claimed in claim 1, wherein said electrically conductive coils are mounted parallel relative to said drive shaft. 12. A polyphasic multi-coil electric device as claimed in claim 1, wherein said electrically conductive coils are mounted slightly inclined from parallel relative to said drive shaft. 13. A polyphasic multi-coil electric device as claimed in claim 1, wherein said first array of magnets is at least in part co-planar with said stator array of said first stator and said second array of magnets is at least in part co-planar with said stator array of said second stator. 14. A polyphasic multi-coil electric device as claimed in claim 1, further comprising a plurality of successive stators interleaved with a plurality of successive rotors, wherein said electrically conductive coils of said plurality of successive stators are selectively electrically energized between open and closed circuits, rotational resistance for rotating said drive shaft being reduced when circuits are open and increased when the circuits are closed. 15. A multi-coil electric device comprising: a drive shaft;a first rotor having a first array of magnets mounted thereon, said first rotor rotatable by said drive shaft;a first stator having a first array of electrically conductive coils mounted thereon, rotation of said first rotor relative to said first stator inducing a current in said first array of electrically conductive coils;wherein said electrically conductive coils are selectively electrically energized between open and closed circuits, rotational resistance for rotating said drive shaft being reduced when circuits are open and increased when the circuits are closed. 16. A multi-coil electric device as claimed in claim 15, further comprising: a second rotor having a second array of magnets mounted thereon, said second rotor also rotatable by said drive shaft;a second stator having a second array of electrically conductive coils mounted thereon, rotation of said second rotor relative to said second stator inducing a current in said second array of electrically conductive coils;wherein said first and second arrays of electrically conductive coils are each selectively electrically energized between open and closed circuits, for adjusting the rotational resistance of said drive shaft. 17. A multi-coil electric device as claimed in claim 16 wherein said first and second stators are interleaved with said first and second rotors. 18. A multi-coil electric device as claimed in claim 15, wherein individual coils in said first array of electrically conductive coils are selectively electrically energized between open and closed circuits for adjusting the rotational resistance of said drive shaft. 19. A multi-coil electric device as claimed in claim 15, wherein said electric device is a generator.

이 특허에 인용된 특허 (472)

이 특허를 인용한 특허 피인용횟수: 5

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Polyphasic multi-coil electric device

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이 특허에 인용된 특허 (472)

이 특허를 인용한 특허 피인용횟수: 5

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Polyphasic multi-coil electric device

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이 특허에 인용된 특허 (472)

이 특허를 인용한 특허 피인용횟수: 5

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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