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Washing machine motor control device and method 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • D06F-033/02
출원번호 US-0306613 (1999-05-06)
발명자 / 주소
  • J. Stephen Thorn
  • Arthur E. Woodward
  • Ralph D. Furmanek
출원인 / 주소
  • Emerson Electric Co.
대리인 / 주소
    Howrey Simon Arnold & White LLP
인용정보 피인용 횟수 : 9  인용 특허 : 28

초록

A method and device for driving a clothes washing machine motor at a predetermined speed is presented. The washing machine motor, which may be an AC induction motor, is powered by a DC to AC inverter that includes a DC bus. The DC bus current is measured and the inverter output frequency is adjusted

대표청구항

1. A method of driving a clothes washing machine motor at a predetermined speed, the washing machine motor being powered by a DC to AC inverter that includes a DC bus providing an essentially constant DC voltage, the method comprising:measuring the DC bus current; and adjusting the inverter output f

이 특허에 인용된 특허 (28)

  1. Studtmann George H. (Mt. Prospect IL), Control and stabilizing system for damperless synchronous motor.
  2. Sakai Keijiro (Hitachi JPX) Matsuda Yasuo (Hitachi JPX) Honbu Mitsuyuki (Katsuta JPX), Control system for induction motor using inverter for AC power supply.
  3. Streater August L. (Bluffton IN), Control system for permanent magnet synchronous motor.
  4. Baker Robert W. (Westerville OH), Controller for providing PWM drive to an A.C. motor.
  5. Gritter David (Racine WI), Current control for microprocessor motor drive.
  6. Hoadley Frederick L. (Ithaca NY), D-C Bus current monitoring system.
  7. Nakamura Yoshinobu (Aichi JPX) Mochikawa Hiroshi (Mie JPX), Device for controlling an AC motor.
  8. Nondahl Thomas A. (West Allis WI), Digital power converter.
  9. Boyd ; Jr. John H. (Holland MI), Electronically commutated motor, method of operating such, control circuit, laundry machine and drive therefor.
  10. Reichard John G. (Milwaukee WI), Fast response motor current regulator.
  11. McCarthy Richard C. ; Bittar Joseph, Flywheel energy storage for operating elevators.
  12. Iwasaki Masahiko (Aichi JPX) Katto Masayuki (Aichi JPX), Inverter control apparatus.
  13. Gritter David J. (Racine WI) Shanblatt Michael A. (East Lansing MI) Strangas Elias G. (East Lansing MI), Isolated adjustable frequency AC inverter control.
  14. Disser Robert J. (Dayton OH) Foust Jeff A. (Eaton OH) Lehnhoff Richard N. (Kettering OH) Graham Donald E. (Dayton OH) Heaston Bruce A. (Union OH), Load-based control of an AC motor.
  15. Schrder-Brumloop Helmut L. (of Berlin DEX) Lb Rdiger (of Berlin DEX), Low cost current sensor for fast-switching inverter applications.
  16. Branecky Brian T., Method and apparatus for controlling an induction motor.
  17. Sood Pradeep K. (St. Louis MO) Skinner james L. (Florissant MO) Petty Douglas M. (Clayton MO), Method and apparatus of operating a dynamoelectric machine using DC bus current profile.
  18. Tao Jinghan (Shorewood WI) Merrison John (Wauwatosa WI), Method and apparatus used with AC motor for detecting unbalance.
  19. Wieloch Christopher J., Motor controller with circuit interrupter and method for interrupting power to a motor controller.
  20. Ikeshita Wataru (Aichi JPX), Regenerative AC/DC/AC power converter for a plurality of motors.
  21. Wirth William F. (Ithaca NY), Shootthrough fault protection system for a voltage source transistor inverter.
  22. Murty Balarama V. (West Bloomfield MI) Namuduri Chandra S. (Sterling Heights MI), Single current regulator for controlled motoring and braking of a DC-fed electric motor.
  23. Sood Pradeep K. (St. Louis County MO) Thorn John S. (St. Louis County MO), Speed control for inverter driven washing machine.
  24. Holston Roger W. (St. Louis MO) Hinesley Carl P. (St. Louis MO), Speed control system and method for electric motor.
  25. Mochikawa Hiroshi,JPX, Three-phase bridge rectifier.
  26. Sood Pradeep K. (St. Louis MO) Petty Douglas M. (St. Louis MO), Unbalanced load detection system and method for a household appliance.
  27. Earle Kent L. (Woodbridge IL), Variable speed induction motor control system.
  28. Hattori, Masayuki, Voltage multiplier circuit.

이 특허를 인용한 특허 (9)

  1. Ciancimino, Rosario; Sharp, Brenner Martin; Stenger, Gerald C., Load unbalanced prediction method and apparatus in an appliance.
  2. Ciancimino, Rosario; Sharp, Brenner Martin; Stenger, Gerald C., Method and apparatus for detecting load unbalance in an appliance.
  3. Zhang,Zheng; Xu,Huangsheng, Method for calibrating current offset and filtering bad data in a system that detects power output.
  4. Katsuyama, Kazuo; Kitazawa, Hideo, Motor controller.
  5. Hoemann,Keith I., Variable speed induction motor with wye-delta switching with reduced drive volt-amp requirement.
  6. Kim,Hyung Kyoon; Pyo,Sang Yeon, Washing machine and method of controlling the same.
  7. Suel, II, Richard Dean, Washing machine with improved method of braking to a non-zero speed.
  8. Lee, Chul Woong; Lee, Jae Cheon; Hwang, Min Kyu, Washing pattern determination method.
  9. Kim,Hyun Sook, Wobbling washing machine and method of controlling the same.
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