COMPRESSOR DRIVE AND REFRIGERATING AIR-CONDITIONING DEVICE

Title:

COMPRESSOR DRIVE AND REFRIGERATING AIR-CONDITIONING DEVICE

Document Type and Number:

Japanese Patent JP2004104895

Kind Code:

A

Abstract:

To provide a compressor drive and a refrigerating air-conditioning device each having high reliability, capable of satisfactorily being started and efficiently operated by inexpensive inverter control, and capable of conducting easy operation by a commercial power source even if an inverter device fails.

This compressor drive device is provided with a compressor 10 which includes a compression mechanism for sucking and compressing a fluid and a motor for driving the compression mechanism, and the inverter device 12 for driving the motor 8 at a variable speed. The motor 8 is composed of a self-starting motor which includes a cage type conductor and a polarized permanent magnet in a rotor. The inverter device 12 is composed of a plurality of semiconductor switches for controlling the driving frequency of the motor 8.

Inventors:

MATSUNAGA MUTSUNORI
TOJO KENJI
TOMITA YOSHIKATSU
NAKAYAMA SUSUMU
YASUNORI TOSHINORI

Application Number:

JP2002262610A

Publication Date:

April 02, 2004

Filing Date:

September 09, 2002

Export Citation:

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Assignee:

HITACHI LTD

International Classes:

F25B1/00; F04B49/06; F04C18/02; F04C28/08; F25B27/00; F25B49/00; F25B49/02; H01R39/46; H02K13/00; H02K21/16; H02K21/46; H02P21/22; H02P21/34; H02P23/00; H02P25/02; H02P25/024; F25B1/04; F25B13/00; (IPC1-7): H02P5/28; F25B1/00; H02K21/16; H02K21/46

Attorney, Agent or Firm:

Katsuo Ogawa
Kyosuke Tanaka
Takashi Sasaki

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