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Permanent magnet rotor and method and apparatus for making same

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02K-021/12
출원번호 US-0017533 (1993-02-16)
발명자 / 주소
  • Molnar David T. (Fort Wayne IN)
출원인 / 주소
  • General Electric Company (Fort Wayne IN 02)
인용정보 피인용 횟수 : 44  인용 특허 : 0

초록

A permanent magnet rotor includes a core and a plurality of magnetizable elements adhesively secured to the outer surface of the core. The core and adhered magnetizable elements are cold-pressed into a deep drawn cup-shaped outer metallic shell having a substantially closed end wall and an opposite

대표청구항

A permanent magnet rotor for use in an electric motor, said rotor comprising, in combination, a core, a plurality of magnetizable elements disposed about a generally fixed diameter cylindrical outer peripheral surface of said core, said magnetizable elements being arcuate in transverse cross-section

이 특허를 인용한 특허 (44)

  1. German,John R.; Crowley,Daniel T.; Meinke,Brian P.; Peterson,Roger L., Alternating current rotatable sputter cathode.
  2. Tapper, Kevin L., Apparatus for assembling rotor of permanent magnet motor.
  3. Beyerl, Andrew T.; Boulanger, Keith; Huber, Alex; Elger, William A.; Wackwitz, Jeffrey M., Brushless motor for a power tool.
  4. Guedes-Pinto, Paulo; Saban, Daniel M.; Stout, John; Krishnan, Venkateshwaran; Strouse, Dennis; Ivaschenko, Alex, Electric machine.
  5. Mullin,Paul Steven; Pant,Albert Keith; Ionel,Dan Mircea; Branecky,Brian Thomas; Mehlhorn,William Louis; Lesak,Alan Edward; Coloma,Anthony Joseph, Electric machine.
  6. Mullin,Paul Steven; Pant,Albert Keith; Ionel,Dan Mircea; Branecky,Brian Thomas; Mehlhorn,William Louis; Lesak,Alan Edward; Coloma,Anthony Joseph, Electric machine including circuit board mounting means.
  7. Saban, Daniel M.; Ahmad, Raed H.; Pan, Zhiguo, Electromechanical energy conversion systems.
  8. Griffith D. Neal, Hard disc drive with base incorporating a spindle motor stator.
  9. Neal, Griffith D., High speed spindle motor.
  10. Neal, Griffith D., High speed spindle motor for disc drive.
  11. Neal Griffith D., High speed spindle motor with hydrodynamic bearings.
  12. Saban, Daniel M.; Stout, John, Hybrid winding configuration of an electric machine.
  13. Chung, Ming-Hsiu; Lin, Yu-Ching, Magnet case and rotor incorporating the same.
  14. Tapper, Kevin L., Method for assembling rotor of permanent magnet motor.
  15. Shepard, Christon L.; Chandrasekharan, Shrinidhi; LaParre, Ronald R.; Turpin, David L.; Shaffer, Alan L., Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels.
  16. Neal,Griffith D., Motor.
  17. Griffith D. Neal, Motor and disc assembly for computer hard drive.
  18. Lieu,Dennis K.; Neal,Griffith D., Motor with encapsulated stator and method of making same.
  19. Neal, Griffith D.; Neal, Albert D., Motor with stator made from linear core preform.
  20. Hill Wolfgang,DEX, Permanent magnet electric machine with hard-magnetic and soft-magnetic segments.
  21. Fisher Robert L. ; Snuffer Daniel H., Permanent magnet rotor and method of assembly.
  22. Burton, Stephen J., Permanent magnet rotor design.
  23. Sebastian, Tomy; Murthy, Sunil Keshava; Liu, Buyun; Fleer, Mark F., Permanent magnet structure for brushless motor and power assist actuator using the same.
  24. Marioni Elio (Dueville ITX), Permanent-magnet rotor for electric motors and method of manufacturing the same.
  25. Kohara Seiichi,JPX ; Kidowaki Shinji,JPX, Punch, powder pressing apparatus and powder pressing method.
  26. Kohara, Seiichi; Kidowaki, Shinji, Punch, powder pressing apparatus and powder pressing method.
  27. Kohara, Seiichi; Kidowaki, Shinji, Punch, powder pressing apparatus and powder pressing method.
  28. Poag Andrew F. ; Tevaarwerk Joseph ; Heilman Ray D. ; Gavello Mauro,ITX, Rotor assembly for a rotating machine.
  29. Carrasco, Eduardo; Schroeder, Ulrich, Rotor assembly with permanent magnets and method of manufacture.
  30. Saban, Daniel M., Rotor for an electric machine.
  31. Petrov, Peter; Saban, Daniel M., Rotor for electric machine having a sleeve with segmented layers.
  32. Saban, Daniel M.; Guedes-Pinto, Paulo, Rotor for electric machine having a sleeve with segmented layers.
  33. Shiao, Sam; Elpern, Dave; Morris, Terry; Dietrich, Bob, Sleeve in end rings for permanent magnet rotor.
  34. Saban, Daniel M.; Stout, John; Guedes-Pinto, Paulo, Slot configuration of an electric machine.
  35. Lieu, Dennis K.; Neal, Griffith D., Spindle motor with encapsulated stator and method of making same.
  36. Griffith D. Neal, Stator assembly.
  37. Neal,Griffith D., Stator assembly made from a molded web of core segments and motor using same.
  38. Neal,Griffith D., Stator assembly made from a plurality of toroidal core segments and motor using same.
  39. Saban, Daniel M.; Guedes-Pinto, Paulo, Stator for an electric machine.
  40. Saban, Daniel M.; Guedes-Pinto, Paulo, Stator for an electric machine.
  41. Stout, John; Saban, Daniel M.; Guedes-Pinto, Paulo, Stator wedge for an electric machine.
  42. Saban, Daniel M.; Guedes-Pinto, Paulo, Thermally matched composite sleeve.
  43. Shepard, Christon L.; LaParre, Ronald R.; Chandrasekharan, Shrinidhi; Loffler, James M.; Shaffer, Alan L., Tools with a thermo-mechanically modified working region and methods of forming such tools.
  44. Saban, Daniel M.; Guedes-Pinto, Paulo, Wrapped rotor sleeve for an electric machine.
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