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Method and apparatus for starting a sensorless polyphase DC motor in dual-coil mode and switching to single coil mode at

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02P-007/285
출원번호 US-0387386 (1995-02-13)
발명자 / 주소
  • Cameron Scott W. (Milpitas CA)
출원인 / 주소
  • SGS-Thomson Microelectronics, Inc. (Carrollton TX 02)
인용정보 피인용 횟수 : 46  인용 특허 : 0

초록

A method and apparatus for operating a polyphase dc motor selectively in dual-coil or uni-coil commutation modes. The motor has a plurality of “Y”connected driving coils connected together at a center tap. Each driving coil has an input node at an end opposite the center tap, and is driven by a swit

대표청구항

A method for operating a polyphase dc motor of the type having a plurality of driving coils connected together at a center tap current input node, having a pair of switches arranged for connection in series across the power supply voltage and having a connection node between each switch connected to

이 특허를 인용한 특허 (46)

  1. Eroglu, Ender T.; Menegoli, Paolo; Li, Whitney H., Adaptive system and method for spinning a polyphase disk drive motor from a stationary position.
  2. Lu, Yisong, BLDC zero crossing with BEMF, gating, and tri-state detect circuitry.
  3. Lin, Mou-Shiung, Chip structure with a passive device and method for forming the same.
  4. Paolo Menegoli, Circuit and method for detecting backward spin of a spindle motor for a disk drive.
  5. Kern, Lynn R.; McFarland, James P., Drive method to minimize vibration and acoustics in three phase brushless DC (TPDC) motors.
  6. Yoshida,Makoto; Goto,Naomi, Driver of electric compressor.
  7. Kern, Lynn R., Driving low voltage brushless direct current (BLDC) three phase motors from higher voltage sources.
  8. Xu,Mingzhou; Chen,Wei; Duddeck,Michael W.; Pearson,Wayne T.; Scherzinger,William M., Gas turbine engine starter generator that selectively changes the number of rotor poles.
  9. Xu, Mingzhou; Chen, Wei; Pearson, Wayne T.; Scherzinger, William M.; Duddek, Michael W., Gas turbine engine starter generator with AC generator and DC motor modes.
  10. Xu, Mingzhou; Pearson, Wayne T.; Anghel, Cristian E.; Morcov, Nicolae, Gas turbine engine starter generator with multiple windings on each exciter stator pole.
  11. Xu, Mingzhou; Pearson, Wayne T.; Anghel, Cristian E.; Lengel, Jim, Gas turbine engine starter generator with switchable exciter stator windings.
  12. Xu, Mingzhou; Pearson, Wayne T.; Yao, Yuan; Lengel, Jim; Anghel, Cristian E., Gas turbine engine starter-generator exciter starting system and method including a capacitance circuit element.
  13. Xu, Mingzhou; Pearson, Wayne T.; Yao, Yuan; Lengel, Jim; Anghel, Cristian E., Gas turbine engine starter-generator exciter starting system and method including a capacitance circuit element.
  14. Lin, Mou-Shiung, High performance system-on-chip inductor using post passivation process.
  15. Lin, Mou Shiung, High performance system-on-chip passive device using post passivation process.
  16. Lin, Mou-Shing, High performance system-on-chip using post passivation process.
  17. Lin, Mou-Shiung, High performance system-on-chip using post passivation process.
  18. Xu,Mingzhou; Duddeck,Michael W.; Pearson,Wayne T.; Scherzinger,William M.; Stout,David E., Hybrid gas turbine engine starter-generator.
  19. Xu,Mingzhou; Duddeck,Michael W.; Pearson,Wayne T.; Scherzinger,William M.; Stout,David E., Hybrid gas turbine engine starter-generator.
  20. Kimura, Reiichi; Kokami, Yasuhiko; Kawauchi, Kunihiro; Kurosawa, Minoru; Itagaki, Kichiya, Magnetic disk storage apparatus.
  21. Assaf Mahmoud, Method and apparatus for adding to the reserve area of a disk drive.
  22. Rote, John K.; Oh, Seil; Schmidt, Brian L., Method and apparatus for applying a commutation advance automatically in a brushless DC motor.
  23. Menegoli, Paolo; Eroglu, Ender T.; Li, Whitney H., Method and apparatus for detecting motion of a motor for a disk drive system.
  24. Huggett Colin ; Kalman Gabor P., Method and apparatus for driving a brushless DC motor without rotor position sensors.
  25. Menegoli, Paolo, Method and apparatus for spinning a multiphase motor for a disk drive system from an inactive state.
  26. Paolo Menegoli, Method and apparatus for spinning a multiphase motor for a disk drive system from an inactive state.
  27. Geyer, Tobias; Kieferndorf, Frederick; Papafotiou, Georgios; Oikonomou, Nikolaos, Method for controlling a converter.
  28. Galbiati Ezio,ITX ; Maiocchi Giuseppe,ITX, Method for driving a brushless DC electric motor.
  29. Lin, Mou-Shiung; Lee, Jin-Yuan, Method for making high-performance RF integrated circuits.
  30. Lin, Mou-Shiung; Lee, Jin-Yuan, Method for making high-performance RF integrated circuits.
  31. Carobolante Francesco, Motor with input-controlled high side driver.
  32. Carobolante Francesco (San Mateo CA), Motor with input-controlled high side driver.
  33. Kern, Lynn R.; Konradi, Vadim, Natural commutation for three phase brushless direct current (BLDC) motors.
  34. Lin, Mou-Shiung; Chou, Chiu-Ming; Chou, Chien-Kang, Post passivation interconnection process and structures.
  35. Lin, Mou-Shiung; Chou, Chiu-Ming; Chou, Chien-Kang, Post passivation interconnection structures.
  36. Miura, Yuichi, Sensorless control unit for brushless DC motor.
  37. Chang,Yen Chuan; Tzou,Ying Yu, Sensorless start-up method for driving a brushless DC motor.
  38. Yoshitomi,Tetsuya; Ueshima,Yasuyuki, Single phase motor driving unit.
  39. Kern, Lynn R., System and method for aligning a resting rotor to a known position.
  40. Kern, Lynn R., System and method for aligning a rotor to a known position.
  41. Kern, Lynn R.; McFarland, James P., System and method for inducing rotation of a rotor in a sensorless motor.
  42. Lakerdas Andrew,CAX ; Kershaw Peter A.,CAX ; Stegelmann Oliver,CAX, Three-speed dual-winding direct current permanent magnet motor method and apparatus.
  43. Lin, Mou-Shiung, Top layers of metal for high performance IC's.
  44. Lin, Mou-Shiung, Top layers of metal for high performance IC's.
  45. Lin, Mou-Shiung, Top layers of metal for high performance IC's.
  46. Menegoli Paolo, Using different frequency clocks to clock counters of a driver circuit at spin-up and at regulation.
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