Apparatus for driving a compressor and a refrigerating air...

Details Apparatus for driving a compressor and a refrigerating air... Apparatus for driving a compressor and a refrigerating air...

2005-05-13

2008-10-21

Tapolcai, William E. (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C310S156780, C310S211000

Reexamination Certificate

active

07437882

ABSTRACT:
An apparatus for driving a compressor comprises a compressor having a compression mechanism part for sucking a fluid to compress the same, and an electric motor for driving the compression mechanism part, and an inverter device for driving the electric motor at variable speeds. The electric motor comprises a self-starting type electric motor having a rotor, which comprises a cage conductor and a polarized permanent magnet, and the inverter device comprises a plurality of semiconductor switches for controlling drive frequencies of the electric motor.

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The Super Economotor And Its Applications.

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