Variable displacement compressor control valve arrangement

Details Variable displacement compressor control valve arrangement Variable displacement compressor control valve arrangement

1982-02-25

1984-01-31

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417270, F04B 126

Patent

active

044287186

ABSTRACT:
There is disclosed in a refrigerant compressor whose displacement is controlled by crankcase-suction pressure differential, a control valve arrangement which is responsive to both compressor suction and discharge pressures to provide controlled communication of same with the compressor crankcase so that the compressor displacement and thereby the discharge flow rate is caused to increase with increasing discharge pressure as well as with increasing suction pressure.

REFERENCES:
patent: 4061443 (1977-12-01), Black

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