Capacity-changing unit of orbiting vane compressor

Details Capacity-changing unit of orbiting vane compressor Capacity-changing unit of orbiting vane compressor

2007-11-13

2007-11-13

Denion, Thomas (Department: 3748)

Rotary expansible chamber devices

With changeable working chamber magnitude

Rotating inner working or reacting member repositioned...

C418S060000

Reexamination Certificate

active

11111850

ABSTRACT:
Disclosed herein is a capacity-changing unit disposed in an orbiting vane compressor, which compresses refrigerant gas introduced into a cylinder through an orbiting movement of an orbiting vane in the cylinder, for easily changing capacity of the orbiting vane compressor in a mechanical bypass fashion. The capacity-changing unit comprises a bypass channel communicating with an outer compression chamber formed in the cylinder, and a bypass valve disposed on the bypass channel for opening and closing the bypass channel. According to the present invention, the orbiting vane compressor is selectively operated not only in normal operation mode where compression is performed in an inner compression chamber as well as the outer compression chamber but also in economic operation mode where compression is performed only in the inner compression chamber.

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