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Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02K-001/27
  • H02K-021/12
출원번호 US-0509619 (2006-08-25)
등록번호 US-7446448 (2008-11-04)
우선권정보 JP-8-275826(1996-10-18)
발명자 / 주소
  • Tajima,Fumio
  • Matsunobu,Yutaka
  • Kawamata,Shouichi
  • Shibukawa,Suetaro
  • Koizumi,Osamu
  • Oda,Keiji
출원인 / 주소
  • Hitachi, Ltd.
  • Hitachi Car Engineering Co., Ltd.
대리인 / 주소
    Crowell & Moring LLP
인용정보 피인용 횟수 : 0  인용 특허 : 37

초록

A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnet pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a cogging torque and

대표청구항

What is claimed is: 1. A permanent magnet electric rotating machine comprising: a stator having a stator iron core and three phase stator windings being wound on the stator iron core; and a rotor arranged opposite the stator with a rotation air gap in between, and said rotor having a rotor iron cor

이 특허에 인용된 특허 (37)

  1. Nagate Takashi,JPX ; Ishiguro Akiyoshi,JPX, Brushless motor with magnetic sensor to detect leaked magnetic flux.
  2. Nagate Takashi (Suwa JPX) Endo Kenichi (Suwa JPX) Koike Yoshikazu (Suwa JPX) Seto Takeshi (Suwa JPX) Yamagishi Yoshihiko (Suwa JPX), Corrosion resistant rotor with auxiliary yokes.
  3. Ishii Hirohisa (Tokyo JPX) Shishikura Masami (Yokohama JPX) Okamura Toshihiko (Tokyo JPX), DC Brushless motor.
  4. Uetake Akihito,JPX ; Yamagishi Yoshihiko,JPX, DC brushless motor having auxiliary salient poles.
  5. Johnson William H. (Colchester VT), Differential torque motor.
  6. Steen Charles R. (Novelty OH), Direct axis aiding permanent magnets for a laminated synchronous motor rotor.
  7. Beltrame Carlo L. (13 York Street East Ivanhoe ; 3079 Victoria AUX) Barnes Arthur J. (33 Carthy Street North Altona ; 3025 Victoria AUX), Drive assistance device for a golf buggy.
  8. Gillott George L. (Prospect CT), Electric rotating machine.
  9. Saether Gustav (Leksvik NOX), Electric stepper motor.
  10. Brandes Jurgen (Bad Neustadt DEX) Schuller Uwe (Ilmenau DEX), Hybrid-energized electric machine.
  11. Kliman Gerald B. (Schenectady NY), Method of assembling rotor magnets.
  12. Patel Navinchandra R. (Rockford IL), Method of fabricating a permanent magnet rotor.
  13. O\Meara William L. (Leon FL) Murray Terry A. (Gadsden FL), Method of producing a nitrocellulose propellant containing a cellulosic burn rate modifier infiltrated therein.
  14. Gizaw Daniel (Indianapolis IN), Permanent magnet brushless DC motor having reduced cogging.
  15. Fumio Tajima JP; Yutaka Matsunobu JP; Shouichi Kawamata JP; Suetaro Shibukawa JP; Osamu Koizumi JP; Keiji Oda JP, Permanent magnet dynamo electric machine.
  16. Tajima Fumio,JPX ; Matsunobu Yutaka,JPX ; Kawamata Shouichi,JPX ; Shibukawa Suetaro,JPX ; Koizumi Osamu,JPX ; Oda Keiji,JPX, Permanent magnet dynamo electric machine.
  17. Matsunobu Yutaka,JPX ; Tajima Fumio,JPX ; Kobayashi Takashi,JPX ; Kawamata Shouichi,JPX ; Shibukawa Suetaro,JPX ; Koizumi Osamu,JPX ; Oda Keiji,JPX, Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the same.
  18. Tajima Fumio,JPX ; Matsunobu Yutaka,JPX ; Kawamata Shouichi,JPX ; Shibukawa Suetaro,JPX ; Koizumi Osamu,JPX ; Oda Keiji,JPX, Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine.
  19. Tajima, Fumio; Matsunobu, Yutaka; Kawamata, Shouichi; Shibukawa, Suetaro; Koizumi, Osamu; Oda, Keiji, Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine.
  20. Tajima, Fumio; Matsunobu, Yutaka; Kawamata, Shouichi; Shibukawa, Suetaro; Koizumi, Osamu; Oda, Keiji, Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine.
  21. Tajima, Fumio; Matsunobu, Yutaka; Kawamata, Shouichi; Shibukawa, Suetaro; Koizumi, Osamu; Oda, Keiji, Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine.
  22. Tajima,Fumio; Matsunobu,Yutaka; Kawamata,Shouichi; Shibukawa,Suetaro; Koizumi,Osamu; Oda,Keiji, Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine.
  23. Burgbacher Martin (St. Georgen DEX), Permanent magnet excited electric motor.
  24. Mita Masahiro (Fukaya JPX) Sasaki Takashi (Fukaya JPX), Permanent magnet field-type rotating machine.
  25. Matsubayashi Jun (Ibaraki JPX) Tajima Fumio (Ibaraki JPX) Miyashita Kunio (Hitachi JPX) Takada Kazuaki (Katsuta JPX) Kubokura Kuniaki (Hitachi JPX) Toyoda Eiji (Hitachi JPX), Permanent magnet reversible synchronous motor.
  26. Miyashita Kunio (Hitachi JPX) Yamashita Seizi (Katsuta JPX) Watanabe Hiroshi (Hitachi JPX) Tanabe Shoji (Sakura JPX), Permanent magnet rotor.
  27. Jones Donald W. (Burnt Hills NY), Permanent magnet rotor and method of making same.
  28. Sakamoto Masafumi (Gunma JPX), Permanent magnet type brushless motor.
  29. Sugiyama Takeshi (Himeji JPX), Permanent magnet type dynamoelectric machine rotor.
  30. Kliman Gerald B. (Schenectady NY), Realizations of folded magnet AC motors.
  31. Futami Toshihiko (Kanagawa JPX), Rotator element for electric motor.
  32. Nagate Takashi (Suwa JPX) Endo Kenichi (Suwa JPX) Koike Yoshikazu (Suwa JPX) Seto Takeshi (Suwa JPX) Yamagishi Yoshihiko (Suwa JPX), Rotor for brushless electromotor.
  33. Nagate Takashi (Suwa JPX) Endo Kenichi (Suwa JPX) Koike Yoshikazu (Suwa JPX) Seto Takeshi (Suwa JPX) Yamagishi Yoshihiko (Suwa JPX), Rotor for brushless electromotor and method for making same.
  34. Nagate Takashi,JPX ; Endo Kenichi,JPX ; Koike Yoshikazu,JPX ; Seto Takeshi,JPX ; Yamagishi Yoshihiko,JPX, Rotor for brushless electromotor and method for making same.
  35. Mikulic Kreso (Cincinnati OH), Rotor lamination for an AC permanent magnet synchronous motor.
  36. Cuenot Alain,FRX ; Petitboulanger Alain,FRX, Synchronous motor with permanent magnets included in a rotor.
  37. Horst Gary E. (Manchester MO), Variable reluctance start permanent magnet motor.
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