[특허]Polyphasic multi-coil electric device

Exro Technologies Inc.

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특허 상세정보

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Polyphasic multi-coil electric device

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02K-016/00 H02K-001/22
미국특허분류(USC)	310/268; 310/112; 310/266
출원번호	US-0582655 (2009-10-20)
등록번호	US-8106563 (2012-01-31)
발명자 / 주소	Ritchey, Jonathan
출원인 / 주소	Exro Technologies Inc.
대리인 / 주소	Seed IP Law Group PLLC
인용정보	피인용 횟수 : 12 인용 특허 : 455

초록
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A polyphasic multi-coil generator includes a driveshaft, at least first and second rotors rigidly mounted on the driveshaft so as to simultaneously synchronously rotate with rotation of the driveshaft, and at least one stator sandwiched between the first and second rotors. The stator has an aperture through which the driveshaft is rotatably journalled. A stator array on the stator has an equally circumferentially spaced-apart array of electrically conductive coils mounted to the stator in a first angular orientation about the driveshaft. The rotors and t...

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1. An electric device, comprising: a drive shaft;a rotor rotatable with said drive shaft, said rotor comprising a first array of circumferentially spaced magnets coupled to a first side of said rotor;a stator comprising circumferentially spaced electrically conductive coils coupled to a first side of said stator, said drive shaft passing through said stator, said first side of said stator being adjacent to said first side of said rotor and said rotor and said stator provided in substantially parallel planes;wherein one of said rotor and said stator is plate-shaped and includes a second side opposite said first side and a circumferential edge to comprise one of: a second array of circumferentially spaced magnets coupled to a second side of said rotor and circumferentially spaced electrically conductive coils coupled to a second side of said stator,wherein each of said electrically conductive coils coupled to said first side of said stator is spaced radially with respect to said magnets on said rotor, and is wrapped around a radial core extending outward in a radial direction with respect to said drive shaft. 2. The electric device of claim 1, wherein both said rotor and said stator are plate-shaped and include a second side opposite the first side and a circumferential edge, said rotor comprising a second array of circumferentially spaced magnets coupled to said second side of said rotor, and said stator comprising circumferentially spaced electrically conductive coils coupled to said second side of said stator. 3. The electric device of claim 2, wherein said second array of circumferentially spaced magnets is angularly offset in a drive shaft rotation direction from said first array of circumferentially spaced magnets, and wherein a drive shaft input force to rotate said rotor relative to said stator is reduced by magnetic forces that rotate said first array of circumferentially spaced magnets toward next electrically conductive coils on said first side of said stator in said drive shaft rotation direction. 4. The electric device of claim 3, 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 electric device of claim 4, wherein each pair of magnets is aligned along a common radial axis extending radially outwardly from said drive shaft. 6. The electric device of claim 4, wherein each pair of magnets comprises one magnet and a ferromagnetic material. 7. The electric device of claim 3, wherein said first array of circumferentially spaced magnets and said second array of circumferentially spaced magnets comprise single magnets, each of said single magnets comprising one pole closer to said drive shaft than another pole. 8. The electric device of claim 3, wherein said first array of circumferentially spaced magnets is equally circumferentially spaced, and said second array of circumferentially spaced magnets is equally circumferentially spaced. 9. The electric device of claim 3, wherein said circumferentially spaced electrically conductive coils are equally circumferentially spaced on each side of said stator. 10. The electric device of claim 1, wherein said first array of circumferentially spaced magnets is selected from the group consisting of: permanent magnets, electromagnets, hybrid magnets and combinations thereof. 11. A generator comprising the electric device of claim 1. 12. The electric device of claim 1, wherein said rotor is plate shaped and includes a second side opposite the first side and a circumferential edge and comprises a second array of circumferentially spaced magnets coupled to said second side of said rotor, said second array of magnets being angularly offset in a drive shaft rotation direction from said first array of circumferentially spaced magnets, said electric device further comprising: a second stator comprising circumferentially spaced electrically conductive coils coupled to a first side of said second stator, said drive shaft passing through said second stator, said first side of said second stator being adjacent to said second side of said rotor, said stator and said second stator provided in substantially parallel planes. 13. The electric device of claim 12, wherein said electrically conductive coils coupled to said first side of said stator are at least in part co-planar with said first array of circumferentially spaced magnets, and said electrically conductive coils coupled to said first side of said second stator are at least in part co-planar with said second array of circumferentially spaced magnets. 14. The electric device of claim 1, wherein said rotor is plate-shaped and includes a second side opposite said first side and a circumferential edge and comprises a second array of circumferentially spaced magnets coupled to said second side of said rotor, said electric device further comprising: a second rotor, said second rotor being plate-shaped and including a first side, a second side opposite the first side, and a circumferential edge, said second rotor comprises a first array of circumferentially spaced magnets coupled to said first side of said second rotor and a second array of circumferentially spaced magnets coupled to said second side of said second rotor;a second stator comprising circumferentially spaced electrically conductive coils coupled to a first side of said second stator; anda third stator comprising circumferentially spaced electrically conductive coils coupled to a first side of said third stator, said stator being provided between said rotor and said second rotor, and said rotor and said second rotor being provided between said second stator and said third stator. 15. The electric device of claim 14, wherein said second rotor is angularly offset in a drive shaft rotation direction from said rotor, and wherein a drive shaft input force to rotate said rotor relative to said stator is reduced by magnetic forces that rotate said arrays of circumferentially spaced magnets toward next electrically conductive coils of adjacent stators in said drive shaft rotation direction. 16. The electric device of claim 14, wherein said stator is plate-shaped and includes a first side, a second side opposite said first side, a circumferential edge, and circumferentially spaced electrically conductive coils coupled to said second side of said stator. 17. The electric device of claim 16, wherein said second stator and said third stator are located at ends of one stage of said electric device. 18. An electric device, comprising: a drive shaft;a plurality of plate-shaped rotors having a first side, a second side opposite the first side, and a circumferential edge, said rotors being rotatable with said drive shaft and each comprising a first array of circumferentially spaced magnets coupled to said first side thereof, and a second array of circumferentially spaced magnets coupled to said second side thereof, said second array of circumferentially spaced magnets angularly offset in a drive shaft rotation direction from said first array of circumferentially spaced magnets; anda plurality of plate-shaped stators having a first side, a second side opposite the first side, and a circumferential edge, said plate-shaped stators being interleaved between said plate-shaped rotors, said plate-shaped stators each comprising circumferentially spaced electrically conductive coils coupled to said first side thereof and circumferentially spaced electrically conductive coils coupled to said second side thereof, said drive shaft passing through said stators and said rotors and said stators provided in substantially parallel planes. 19. The electric device of claim 18, wherein each of said electrically conductive coils is spaced radially with respect to said magnets on adjacent rotors and is wrapped around a radial core extending outward in a radial direction with respect to said drive shaft. 20. The electric device of claim 18, wherein said electrically conductive coils are at least in part co-planar with said circumferentially spaced magnets. 21. A motor comprising the electric device of claim 1. 22. The electric device of claim 12, wherein a said first array of circumferentially spaced magnets is configured to be drawn toward next electrically conductive coils of said stator and said second array of circumferentially spaced magnets is configured to be drawn toward next electrically conductive coils of said second stator in said drive shaft rotation direction. 23. The electric device of claim 18, wherein said first array of circumferentially spaced magnets is configured to be drawn toward next electrically conductive coils of an adjacent stator in said drive shaft rotation direction. 24. The electric device of claim 1, wherein a first number of electrically conductive coils is coupled to the first side of said stator and a second number of circumferentially spaced magnets is coupled to the first side of said rotor, said first number being unequal to said second number.

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이 특허를 인용한 특허 (12)

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Polyphasic multi-coil electric device

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Polyphasic multi-coil electric device

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이 특허를 인용한 특허 (12)

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