REFRIGERANT COMPRESSING DEVICE - MITSUBISHI ELECTRIC CORP

Title:

REFRIGERANT COMPRESSING DEVICE

Document Type and Number:

Japanese Patent JP2003278653

Kind Code:

A

Abstract:

To provide a refrigerant compressing device capable of continuously operating even when a permanent magnet synchronous electric motor drive power supply device breaks down in the refrigerant compressing device driving a compressing mechanism part by the permanent magnet synchronous electric motor.

The refrigerant compressing device has a compression mechanism 4 accommodated in an airtight container 1 and compressing the refrigerant, and an electric motor part 10 driving the compression mechanism 4. The electric motor part 10 is equipped with a stator 12 having a coil 13 connected to an external power supply, and a rotor 11 having short circuit rings 31A, 31B which short-cut the permanent magnets 18, 19 and a plurality of conductor bars 32 and each conductor bar provided inside an iron core 30 as well as connected to the compression mechanism 4 arranged opposing to the stator 12 through a shaft 6.

Inventors:

KOSONE NOBUNORI
MATSUKI TETSUZO
ISHIGAKI TAKASHI

Application Number:

JP2002083402A

Publication Date:

October 02, 2003

Filing Date:

March 25, 2002

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP

International Classes:

F04B39/00; F04C18/02; F04C28/00; F04C28/28; F04C29/00; H02K1/22; H02K1/27; H02K16/02; H02K17/16; H02K21/14; (IPC1-7): F04B39/00; F04C18/02; F04C29/00; F04C29/10; H02K1/22; H02K1/27; H02K16/02; H02K17/16; H02K21/14

Attorney, Agent or Firm:

Mamoru Takada (3 outside)

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