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Title:
INVERTER OF WASHING MACHINE AND INVERTER OF WASHING MACHINE&sol DRYER
Document Type and Number:
WIPO Patent Application WO/2003/050341
Kind Code:
A1
Abstract:
An inverter of washing machine performing drive control of a motor imparting a rotational driving force required for washing, rinsing and spin extracting operations in a full automatic washing machine performing the washing, rinsing and spin extracting processes continuously. The inverter comprises a control means for operating the motor with a full field in the low speed rotational region of washing, rinsing and spin extracting operations, with weak field in the high speed rotational region of spin extracting operation, and performing vector control of the output of the motor in the case of full field operation, and voltage&sol phase control of the motor in the case of weak field operation.

Inventors:
HOSOITO TSUYOSHI (JP)
NAGAI KAZUNOBU (JP)
Application Number:
PCT/JP2002/011635
Publication Date:
June 19, 2003
Filing Date:
November 07, 2002
Export Citation:
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Assignee:
TOSHIBA KK (JP)
HOSOITO TSUYOSHI (JP)
NAGAI KAZUNOBU (JP)
International Classes:
D06F25/00; D06F37/30; D06F33/02; H02P6/06; H02P6/08; H02P6/21; H02P21/00; H02P21/18; H02P21/24; H02P21/28; H02P21/32; H02P23/16; H02P27/04; H02P27/08; (IPC1-7): D06F33/02; H02P21/00
Foreign References:
JPH11114275A1999-04-27
JPH10117489A1998-05-06
JP2000342883A2000-12-12
JP2000084287A2000-03-28
Other References:
See also references of EP 1464749A4
Attorney, Agent or Firm:
Sato, Tsuyoshi (Sakae 4-chome Naka-ku Nagoya-shi, Aichi, JP)
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