Title:
食器洗い機のモータ駆動装置
Document Type and Number:
Japanese Patent JP4363169
Kind Code:
B2
Abstract:
An apparatus for driving a motor of a dishwasher includes an AC power source, a rectification circuit for converting an AC power from the AC power source to a DC power, an inverter circuit for converting the DC power from the rectification circuit to an AC power, a motor driven by the inverter circuit to drive a wash pump and/or a drain pump, a current detector for detecting an output current of the inverter circuit, and a controller for performing a PWM (pulse width modulation) control of the inverter circuit based on an output signal of the current detector to thereby control the motor to rotate at a set rotation speed. A phase difference between an output voltage and the output current of the inverter circuit or a reactive current is controlled to have a predetermined value.
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Inventors:
Mitsuyuki Kiuchi
Suzuki General
Hideki Nakata
Yoshioka Hakuharu
Suzuki General
Hideki Nakata
Yoshioka Hakuharu
Application Number:
JP2003412988A
Publication Date:
November 11, 2009
Filing Date:
December 11, 2003
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
A47L15/42; A47L15/46; H02P6/06; H02P6/08; H02P6/15; H02P6/18; H02P6/182; H02P6/28; H02P21/00; H02P21/05; H02P21/22; H02P21/34; H02P23/04; H02P27/04; H02P27/08
Domestic Patent References:
| JP2001212061A | ||||
| JP2003190070A | ||||
| JP2003333887A | ||||
| JP2002051964A |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano