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Brushless DC motor having reduced torque ripple for electric power steering 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02K-003/00
출원번호 US-0650519 (1996-05-20)
발명자 / 주소
  • Sebastian Tomy
  • Collier-Hallman Steven James
출원인 / 주소
  • General Motors Corporation
대리인 / 주소
    Sigler
인용정보 피인용 횟수 : 36  인용 특허 : 17

초록

A brushless DC motor has a permanent magnet rotor comprising p magnetic poles and a stator having an integer multiple of 6*p*n slots containing windings, n being a positive, non-zero integer, and the poles and slots being skewed by one slot pitch with respect to each other. The windings in the slots

대표청구항

[ I claim:] [1.] A motor vehicle having a source of electric power and an electric power steering system with a power assist actuator mechanically coupled for vibration transmission to a steering wheel, the actuator comprising a brushless DC motor having a permanent magnet rotor comprising p magneti

이 특허에 인용된 특허 (17)

  1. Bratoljic Tihomir (Wettengen CHX), D 상세보기
  • Kusase Sin (Obu JPX) Banzai Keiichiro (Toyota JPX) Hayashi Seiji (Anjo JPX), Alternating current generator having a plurality of independent three-phase windings.
  • Musil J. Donald (905 Top-O-Hollow Rd. Ames IA 50010), Apparatus for minimizing magnetic cogging in an electrical machine.
  • Ban, Itsuki; Nakajima, Akihiro, Apparatus for removing torque ripples in a direct current motor.
  • Takahashi, Yoshiteru; Ogawa, Masataka, Disc type brushless motor.
  • Uesugi Michika (Fuji JPX), Drive control apparatus for brushless DC motor and driving method therefor.
  • Stridsberg Lennart (Enskede SEX), Electric power train for vehicles.
  • Brandes Jrgen (Bad Neustadt DEX), Electrical machine having a permanent-magnet-excited rotor.
  • Krefta Ronald J. (Fort Wayne IN) Forbes Franklin L. (LaOtto IN), Electronically commutated motor having an increased flat top width in its back EMF waveform, a rotatable assembly theref.
  • Abukawa Toshimi (Hitachioota JPX) Okuyama Toshiaki (Naka JPX) Tahara Kazuo (Hitachi JPX) Marumoto Katsuji (Hitachi JPX) Koterazawa Toshiyuki (Hitachi JPX) Hombu Mitsuyuki (Katsuta JPX) Takahashi Tada, Motor-driven power steering apparatus.
  • Lee I Soo (JangMi Apt. 9/B ; 302-64 ; Ichon-Dong YongSan-Ku ; Seoul KRX), Multi-phase bipolar brushless D.C. motor.
  • Hoemann, Keith I.; Eckles, Scott E., Permanent magnet rotor and motor.
  • Nishio Akira (Fujieda JPX) Nakamura Masato (Fujieda JPX) Mochizuki Akihiro (Shizuoka JPX), Polyphase direct current motor.
  • Khutoretsky Garri M. (ulitsa Altaiskaya 20 ; kv. 5 Leningrad SUX) Vorontsov Alexandr I. (Pushkin ; ulitsa Khazova 43 ; kv. 94 Leningrad SUX) Drozdova Larisa A. (prospekt Karla Marxa ; 25 ; kv. 26 Len, Six-phase winding of electric machine stator.
  • Stanley Marlin L. (Amsterdam NY), Skewing of pole laminations of a switched reluctance machine to reduce acoustic noise.
  • Yazaki Asao (Shimoina JPX) Sunaba Takashi (Komagane JPX) Takemura Yoshihiro (Komagane JPX), Slotless brushless DC motor.
  • Fushimi Takehiko (Kariya JPX) Mase Hisayasu (Handa JPX) Hatano Takeshi (Chiryu JPX) Matsumoto Tadaichi (Okazaki JPX) Tamura Kazutaka (Toyota JPX), Steering control system for vehicle.
  • 이 특허를 인용한 특허 (36)

    1. Clark, Warren; Bell, Jr., Oliver A., AC drive system for electrically operated vehicle.
    2. Clark, Warren; Bell, Oliver A., AC drive system for electrically operated vehicle.
    3. Clark,Warren; Bell,Oliver A., AC drive system for electrically operated vehicle.
    4. Wagoner, Robert Gregory; Smith, David, Acoustic noise modification in power converters.
    5. Hui Chen JP; Koji Matsuda JP; Toshiyuki Onizuka JP, Brushless DC-motor driving controller.
    6. Shimizu, Yasuo; Yoneda, Atsuhiko; Shiobara, Hitoshi; Kuribayashi, Takashi, Brushless motor and electric power steering apparatus equipped with the brushless motor.
    7. Kimura,Kiyoshi; Itoh,Taku; Yoshiyama,Shigeru, Brushless synchronous motor.
    8. Benoit Derouane FR; Sunil Keshava Murthy ; Tomy Sebastian ; Buyun Liu, Commutation system for torque ripple minimization.
    9. Lee, I Soo, Constant-power brushless DC motor.
    10. Mori, Tatsuya; Kezobo, Isao; Kimpara, Yoshihiko; Furukawa, Akira, Control apparatus for AC rotary machine and control apparatus for electric power steering.
    11. Shuji Endo JP; Hui Chen JP, Control apparatus for an electrical power steering apparatus.
    12. Richards, Bryn Geoffrey Roddick; Hu, Wenshan, Controller for improving control and operation of AC motors.
    13. Sebastian, Tomy, Device for disconnecting a neutral point of a motor.
    14. Itami Yukio,JPX ; Suzuki Mitsuo,JPX, Direct-current brushless motor, and polygon scanner and image forming apparatus having the same and a method thereof.
    15. Yukio Itami JP; Mitsuo Suzuki JP, Direct-current brushless motor, and polygon scanner and image forming apparatus having the same and a method thereof.
    16. Klippert, Uwe, Drive device for an adjusting device for adjusting a vehicle part and method for operating a drive device.
    17. Clark, Warren W.; Bell, Oliver A., Drive system for electrically operated vehicle.
    18. Tomita Masaaki,JPX ; Mizutani Ryoji,JPX, Electric motor and electric power steering apparatus employing the electric motor.
    19. Suzuki, Takashi, Electric power converter, driving apparatus and electric power steering apparatus.
    20. Mori,Sadaaki; Jonokuchi,Hideki; Inayama,Hirohide; Ishihara,Atsushi, Electric power steering apparatus.
    21. Crapo, Alan D.; Walls, Todd A.; Hartsfield, Jr., Richard E., Electric power steering system including a permanent magnet motor.
    22. Crapo,Alan D.; Walls,Todd A.; Hartsfield, Jr.,Richard E., Electric power steering system including a permanent magnet motor.
    23. Richards, Bryn Geoffrey Roddick; Hu, Wenshan, Electrical controller for machines.
    24. Jeffrey Ronald Coles GB, Electrical power assisted steering systems.
    25. Jayaraman, Ganga P.; Lyles, Michael L.; Szulyk, Zenon P.; Haack, Bryan R., Force feel using a brushless DC motor.
    26. Liu, Buyun; Sebastian, Tomy; Murthy, Sunil Keshava, Fractional-slot winding motor.
    27. Bell, Jr., Oliver A.; Clark, Warren W., Hill hold for an electric vehicle.
    28. Oblizajek, Kenneth L.; Hogland, Derek K.; Sopoci, John D.; Ma, Wen-Hou, Method for attenuating smooth road shake in an electric power steering system.
    29. Sato, Koji; Minowa, Takehisa; Miyata, Koji, Permanent magnet motor and rotor thereof.
    30. Patterson, Dean James; Kennedy, Byron John; Camilleri, Steven Peter; Guymer, Benjamin David; Greaves, Matthew Campbell, Poly-phase electromagnetic device having an improved conductor winding arrangement.
    31. Crapo, Alan D.; Walls, Todd A.; Hartsfield, Jr., Richard E.; Ketterer, Charles P.; De Luca, Ken, Reduced cogging torque permanent magnet electric machine with rotor having offset sections.
    32. Taniguchi, Makoto, Rotating electrical machine.
    33. Matsubara, Masakatsu; Hanai, Takashi; Ito, Wataru, Stator of rotating electrical machine and rotating electrical machine.
    34. Christophe Nicot FR; Pascal Desbiolles FR; Fernand Peilloud FR, Steering column with hall linear array.
    35. Chen,Hanyang B., Vehicle alternator stator winding having dual slot configuration.
    36. Muramatsu,Atsushi; Itikawa,Hiroyuki, Vibration control system for electric tilt steering.
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