[특허]AC generator with annular permanent magnets

AC generator with annular permanent magnets 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02K-009/06 H02K-019/22
출원번호	US-0658851 (1991-02-22)
우선권정보	JP-0045270 (1990-02-26)
발명자 / 주소	Kusase Shin (Obu JPX)
출원인 / 주소	Nippondenso Co., Ltd. (Kariya JPX 03)
인용정보	피인용 횟수 : 66 인용 특허 : 0

초록 ▼

In an AC generator having a plurality of claw-shaped magnetic pole portions in a rotor, a pair of projected portions which extend toward an outer circumference from both ends of boss portions on an outer circumference of a shaft are provided, and permanent magnets are also provided so as to abut against the projected portions so that magnetic flux is applied in the same direction as the magnetic flux applied to the projected portions when an electric current is applied to a field winding which is wound around the boss portions. With a magnetic path thus constructed, it is possible that the magnetic flux if permanent magnets is put on the magnetic flux produced by a field winding, thus applying much magnetic flux to the stator. As a result, the output per weight can be increased.

대표청구항 ▼

An AC generator comprising: a rotor having at least a first and second magnetic pole core opposing each other and similar in shape and size, said magnetic pole core having a center hole for piercing by a shaft of said rotor, said first and second magnetic pole cores each including a boss portion of cylindrical form having a given wall thickness surrounding said center hole, a projecting portion extending from said boss portion in a radial direction of said rotor, and a claw-shaped magnetic pole portion extending in an axial direction of said rotor from an end of said projecting portion that extends in said radial direction of said rotor, wherein said claw-shaped magnetic pole portions of said first and second magnetic pole cores extend in opposite axial directions of said rotor and oppose each other in said axial direction; a stator disposed around said rotor with a predetermined gap between said stator and said rotor, said stator having a stator winding; a field winding wound on interior portions of said boss portions of said first and second magnetic pole cores for supplying magnetic flux to said rotor in a given direction when electric current is applied to said field winding; at least a first annular permanent magnetic plate magnetized in a direction of its thickness, and fixed to an exterior side face of a projecting portion of one of said first and second magnetic pole cores for supplying magnetic flux in said given direction; and at least a first annular yoke plate, abutting an exterior face of said permanent magnetic plate and attached to a claw-shaped magnetic pole portion of a magnetic pole core to which said permanent magnetic plate is not fixed.

이 특허를 인용한 특허 (66)

Ishikawa Hiroaki,JPX, AC generator for vehicle having combined structure of field coil and permanent magnet.
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Umeda Atsushi,JPX ; Tokura Norihito,JPX ; Sato Hirohide,JPX ; Taniguchi Makoto,JPX ; Kusase Shin,JPX, Alternator.
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Umeda Atsushi,JPX ; Shiga Tsutomu,JPX ; Kusase Shin,JPX, Alternator for an automotive vehicle.
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Hsu, John S., Brushless machine having ferromagnetic side plates and side magnets.
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Ragaly Istvan,DEX, Claw pole generator with ventilation fan supporting the magnetic pole tips.
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Umeda Atsushi,JPX ; Shiga Tsutomu,JPX ; Kusase Shin,JPX, Compact high-power alternator for a vehicle having a rotor and a stator.
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Lipo Thomas A. ; Li Yue, Doubly salient permanent magnet machine with field weakening (or boosting) capability.
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Akemakou Dokou Antoine,FRX, Dual excitation electrical machine, and especially motor vehicle alternator.
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Reutlinger, Kurt, Electric machine having a hybrid-excited rotor.
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Calley, David Gregory; Janecek, Thomas, Electrical devices having tape wound core laminate rotor or stator elements.
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Calley, David Gregory, Electrical devices using disk and non-disk shaped rotors.
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Calley, David G., Electrical devices using electromagnetic rotors.
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Calley, David Gregory, Electrical devices using electronmagnetic rotors.
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Calley, David Gregory, Electrical devices with reduced flux leakage using permanent magnet components.
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Gerhard Pfleuger DE; Stefan Lober DE, Electrical machine with stator and claw pole rotor system.
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Syverson Charles D., Hybrid alternator.
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Syverson Charles D. (North Mankato MN), Hybrid alternator.
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Syverson Charles D. ; Francis Willard P., Hybrid alternator.
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Syverson Charles D. ; Curtiss William P., Hybrid alternator with full output at idle.
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Syverson Charles D. (North Mankato MN) Curtiss William P. (Chelsea MA), Hybrid alternator with voltage regulator.
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Feng Liang ; John Michael Miller ; Xingyi Xu, Hybrid permanent magnet/synchronous machines.
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Liang, Feng; Miller, John Michael; Xu, Xingyi, Hybrid permanent magnet/synchronous machines.
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Shah, Manoj Ramprasad; Kliman, Gerald Burt; Chari, Madabushi Venkata Krishnama, Hybrid salient pole machines.
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Shah, Manoj Ramprasad; Kliman, Gerald Burt, Hybrid synchronous machines comprising permanent magnets and excitation windings in cylindrical element slots.
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Yasuzumi Ochiai JP; Yoshitake Nishi JP; Kazuya Oguri JP; Sanshiro Ogino JP; Hiroyuki Makabe JP, Hybrid-type magnet and stepping motor including same.
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Nakamura,Shigenobu, Method for making stator of rotary electric machine.
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Kusase, Shin, Motor apparatus including Lundell motor having Lundell-type rotor.
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Paul Armiroli FR; Jean-Philippe Badey FR, Motor vehicle alternator rotor with interposed permanent magnets.
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Hall, Vincent; Crain, Stephen G., Permanent magnet arrangement for generator rotor.
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Calley, David G.; Janecek, Thomas F., Polyphase transverse and/or commutated flux systems.
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Calley, David G.; Janecek, Thomas F., Polyphase transverse and/or commutated flux systems.
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Calley, David G.; Janecek, Thomas F., Polyphase transverse and/or commutated flux systems.
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Janecek, Thomas, Powdered metal manufacturing method and devices.
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Bramson Eric David ; York Michael Timothy, Recessed alternator pole piece.
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Taniguchi Makoto,JPX ; Nimura Takayasu,JPX, Rotary electric machine having Lundell type core.
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Mipo, Jean-Claude; Li, Li; Kobylanski, Luc; Foggia, Albert, Rotary electric machine with armature magnetic reaction compensation.
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Evans Paul Michael (Ypsilanti MI) Schultz Roy David (Dearborn MI), Rotating electrical machine with electromagnetic and permanent magnet excitation.
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Harris Richard Kenneth ; York Michael Timothy, Rotating electrical machine with permanent magnet inserts.
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Dokou Antoine Akemakou FR, Rotating maching with advanced excitation means.
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Yamada, Yoji; Morita, Chie, Rotor and motor.
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Yamada, Yoji; Morita, Chie; Takemoto, Yoshiaki; Morisaki, Makoto, Rotor and motor.
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Yamada, Yoji; Morita, Chie; Tateishi, Yoko; Fujii, Yuuki; Yokoyama, Seiya, Rotor and motor.
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Yamada, Yoji; Morita, Chie; Tateishi, Yoko; Fujii, Yuuki; Yokoyama, Seiya, Rotor and motor.
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Kusase Shin,JPX ; Umeda Atsushi,JPX ; Hukaya Saburo,JPX ; Inomata Noriyasu,JPX ; Irie Hitoshi,JPX ; Ishida Hiroshi,JPX, Rotor for a rotating electric machine.
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Kusase Shin,JPX ; Umeda Atsushi,JPX ; Hukaya Saburo,JPX ; Inomata Noriyasu,JPX ; Irie Hitoshi,JPX ; Ishida Hiroshi,JPX, Rotor for a rotating electric machine.
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Harris Richard Kenneth ; York Michael Timothy, Rotor for an electrical machine.
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Liang Feng ; Miller John Michael ; Xu Xingyi, Rotor for an electrical machine.
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Isoda,Hitoshi; Asao,Yoshihito, Rotor of rotating electric machine.
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Nakamura, Shigenobu, Stator of rotary electric machine and method for making the same.
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Nakamura, Shigenobu, Stator of rotary electric machine and method for making the same.
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Janecek, Thomas F., Transverse and/or commutated flux system coil concepts.
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Calley, David G.; Janecek, Thomas F., Transverse and/or commutated flux system rotor concepts.
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Calley, David G.; Janecek, Thomas F., Transverse and/or commutated flux system rotor concepts.
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Calley, David G.; Janecek, Thomas F., Transverse and/or commutated flux system stator concepts.
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Calley, David G.; Janecek, Thomas F., Transverse and/or commutated flux system stator concepts.
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Calley, David G.; Cole, Daniel S; Dyer, John M.; Janecek, Thomas F., Transverse and/or commutated flux systems configured to provide reduced flux leakage, hysteresis loss reduction, and phase matching.
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Calley, David G.; Cole, Daniel S; Dyer, John M.; Janecek, Thomas F., Transverse and/or commutated flux systems configured to provide reduced flux leakage, hysteresis loss reduction, and phase matching.
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Calley, David G.; Cole, Daniel S.; Dyer, John M.; Janecek, Thomas F.; Reynolds, J. Scott, Transverse and/or commutated flux systems for electric bicycles.
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Calley, David G.; Cole, Daniel S.; Dyer, John M.; Janecek, Thomas F.; Williams, Tyler K., Transverse and/or commutated flux systems having laminated and powdered metal portions.
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Calley, David G.; Cole, Daniel S.; Dyer, John M.; Janecek, Thomas F., Transverse and/or commutated flux systems having phase offset.
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Calley, David G.; Cole, Daniel S; Dyer, John M.; Janecek, Thomas F., Transverse and/or commutated flux systems having phase offset.
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Calley, David G.; Cole, Daniel S.; Dyer, John M.; Janecek, Thomas F.; Williams, Tyler K., Transverse and/or commutated flux systems having segmented stator laminations.
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Calley, David G.; Cole, Daniel S.; Dyer, John M.; Janecek, Thomas F.; Williams, Tyler K., Transverse and/or commutated flux systems having segmented stator laminations.
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Kanazawa Hiroshi,JPX ; Tahara Kazuo,JPX ; Tajima Fumio,JPX ; Honda Yoshiaki,JPX ; Kamohara Hideaki,JPX, Vehicle alternator having improved rotating yoke.
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Kanazawa,Hiroshi; Miyata,Kenji; Kawabata,Kaoru; Maki,Kohji; Tahara,Kazuo; Sasaki,Susumu; Takahata,Ryoichi, Vehicular alternator.
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Fujita, Masahiko; Nishitani, Shoichiro; Nakatake, Yasushi; Doi, Masaharu; Kudou, Shinya; Shono, Kazuhiro; Asao, Yoshihito; Kuribayashi, Masaru, Welding set of metal member including permanent magnet and welding method thereof, as well as electric rotating machine.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

AC generator with annular permanent magnets 원문보기

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AC generator with annular permanent magnets 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (66)

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