[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-007/20
미국특허분류(USC)	310/112; 310/114; 310/266; 310/268
출원번호	US-0545027 (2009-08-20)
등록번호	US-8212445 (2012-07-03)
발명자 / 주소	Ritchey, Jonathan Gale
출원인 / 주소	Exro Technologies Inc.
대리인 / 주소	Seed IP Law Group PLLC
인용정보	피인용 횟수 : 10 인용 특허 : 450

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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 rotatable with said drive shaft and comprising a first array of circumferentially spaced magnets coupled to said first rotor;a second rotor rotatable with said drive shaft and comprising a second array of circumferentially spaced magnets coupled to said second rotor, wherein when said first rotor and said second rotor rotate with said drive shaft, said first array of magnets is angularly offset in a drive shaft rotation direction from said second array of magnets; andfirst and second stators interleaved with said first rotor and said second rotor, each of said first and second stators comprising an aperture that receives said drive shaft, said first stator further comprising circumferentially spaced electrically conductive coils coupled to said first stator, said second stator further comprising circumferentially spaced air coils coupled to said second stator, and each of said first and second rotors and first and second stators provided in substantially parallel planes. 2. The polyphasic multi-coil electric device of claim 1, further comprising: a third rotor rotatable with said drive shaft, said third rotor comprising a third array of circumferentially spaced magnets coupled to said third rotor, wherein when said first rotor, said second rotor and said third rotor rotate with said drive shaft, said third array of magnets is angularly offset in a drive shaft rotation direction from said first array of magnets and said second array of magnets; anda third stator comprising an aperture that receives said drive shaft, said third stator further comprising circumferentially spaced electrically conductive coils coupled to said third stator, said third rotor and said third stator provided in substantially parallel planes. 3. The polyphasic multi-coil electric device of claim 1, further comprising: a third rotor rotatable with said drive shaft, said third rotor comprising a third array of circumferentially spaced magnets coupled to said third rotor, wherein when said first rotor, said second rotor and said third rotor rotate with said drive shaft, said third array of magnets is angularly offset in a drive shaft rotation direction from said first array of magnets and said second array of magnets; anda third stator comprising an aperture that receives said drive shaft, said third stator further comprising circumferentially spaced air coils coupled to said third stator, said third rotor and said third stator provided in substantially parallel planes. 4. The polyphasic multi-coil electric device of claim 1, wherein each of said first array of circumferentially spaced magnets and said second array of circumferentially spaced magnets comprise pairs of magnets, each pair of magnets including one magnet closer to said drive shaft than the other magnet. 5. The polyphasic multi-coil electric device of claim 4, wherein each of said pairs of magnets is aligned along a common radial axis extending outward in a radial direction with respect to said drive shaft. 6. The polyphasic multi-coil electric device of claim 1, wherein each of said electrically conductive coils is wrapped around a radial core extending outward in a radial direction with respect to said drive shaft. 7. The polyphasic multi-coil electric device of claim 1, wherein said electrically conductive coils are aligned end to end in a concentric circle around said drive shaft. 8. The polyphasic multi-coil electric device of claim 1, wherein each of said circumferentially spaced air coils is centered on a radial axis extending outward in a radial direction with respect to said drive shaft. 9. The polyphasic multi-coil electric device of claim 1, further comprising a plurality of successive stators interleaved with a plurality of successive rotors, wherein electrically conductive coils of said plurality of successive stators are electrically coupled to be selectively electrically energized between an open and a closed circuit state, resistance to rotation of said drive shaft reduced when in said open circuit state and increased when in said closed circuit state. 10. The polyphasic multi-coil electric device of claim 1, wherein said first rotor and said first stator define a first stage having a first diameter and said second rotor and said second stator define a second stage having a second diameter, said second diameter being greater than said first diameter. 11. The polyphasic multi-coil electric device of claim 1, wherein said first rotor and said first stator define a first stage having a first diameter and said second rotor and second stator define a second stage having a second diameter, said second diameter being less than said first diameter. 12. A polyphasic multi-coil electric device comprising: a drive shaft; anda first electric device stage including first, second, and third rotors interleaved with first, second, and third stators, said first, second, and third rotors coupled to said drive shaft and each of said first, second, and third stators comprising an aperture that receives said drive shaft, at least one of said first, second, and third stators further comprising circumferentially spaced air coils coupled thereto, said first rotor further comprising a first array of circumferentially spaced magnets coupled to said first rotor, said second rotor further comprising a second array of circumferentially spaced magnets coupled to said second rotor, and said third rotor further comprising a third array of circumferentially spaced magnets coupled to said third rotor,wherein when said first, second and third rotors rotate with said drive shaft, said first, second, and third array of magnets are angularly offset in a drive shaft rotation direction from each other, each of said first, second, and third rotors and said first, second, and third stators provided in substantially parallel planes. 13. The polyphasic multi-coil electric device of claim 12, further comprising a second electric device stage, the second electric device stage comprising three rotors interleaved with three stators, said second electric device stage having a first diameter, said first electric device stage having a second diameter, said second diameter being less than said first diameter. 14. The polyphasic multi-coil electric device of claim 12, further comprising a second electric device stage, the second electric device stage comprising three rotors interleaved with three stators, said second electric device stage having a first diameter, said first electric device stage having a second diameter, said second diameter being greater than said first diameter. 15. The polyphasic multi-core electric device of claim 12, wherein each of said first array of circumferentially spaced magnets, said second array of circumferentially spaced magnets, and said third array of circumferentially spaced magnets comprise pairs of magnets, each pair of magnets including one magnet closer to said drive shaft than the other magnet. 16. The polyphasic multi-coil electric device of claim 15, wherein each of said pairs of magnets is aligned along a common radial axis extending outward in a radial direction with respect to said drive shaft. 17. The polyphasic multi-coil electric device of claim 12, wherein each of said electrically conductive coils is wrapped around a radial core extending outward in a radial direction with respect to said drive shaft. 18. The polyphasic multi-coil electric device of claim 12, wherein said electrically conductive coils are aligned end to end in a concentric circle around said drive shaft. 19. The polyphasic multi-coil electric device of claim 12, wherein each of said circumferentially spaced air coils is centered on a radial axis extending outward in a radial direction with respect to said drive shaft. 20. The electric device of claim 1, wherein said electrically conductive coils coupled to said first stator are at least in part co-planar with said first array of circumferentially spaced magnets. 21. The electric device of claim 1, wherein said air coils coupled to said second stator are at least in part co-planar with said second array of circumferentially spaced magnets. 22. The electric device of claim 12, wherein at least one of said first, second, and third stator comprises electrically conductive coils coupled thereto and said electrically conductive coils are at least in part co-planar with one of said first, second, or third array of circumferentially spaced magnets. 23. The electric device of claim 12, wherein said air coils coupled to at least one of said first, second, and third stator are at least in part co-planar with said first, second, or third array of circumferentially spaced magnets.

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이 특허를 인용한 특허 피인용횟수: 10

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Polyphasic multi-coil electric device

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이 특허를 인용한 특허 피인용횟수: 10

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Polyphasic multi-coil electric device

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이 특허에 인용된 특허 (450)

이 특허를 인용한 특허 피인용횟수: 10

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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