Scroll type compressor with separate control block

Details Scroll type compressor with separate control block Scroll type compressor with separate control block

1991-09-27

1993-03-09

Bertsch, Richard A.

Pumps

With condition responsive pumped fluid control

Normally open bypass or relief passage closed by increased...

417310, F04B 4900

Patent

active

051921952

ABSTRACT:
A scroll type compressor has bypass ports which communicate with the compression chambers. The bypass ports are bored in an end plate of a stationary scroll. A capacity control block is contained inside a bypass passage which has the bypass ports communicate with a suction chamber formed in a housing. A valve mechanism which opens and closes the bypass passage is formed separately from the stationary scroll. The capacity control block is engaged with the stationary scroll and installed fixedly in the housing, thereby to control the output capacity of the compressor in a range from 0% to 100%.

REFERENCES:
patent: 4408964 (1983-10-01), Mochizuki

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