Variable delivery refrigerant compressor of double-acting swash

Details Variable delivery refrigerant compressor of double-acting swash Variable delivery refrigerant compressor of double-acting swash

1986-06-27

1987-12-01

Tanner, Harry

Refrigeration

Automatic control

Refrigeration producer

621962, 62217, F25B 100, F25B 4100

Patent

active

047095555

ABSTRACT:
The present invention contemplates a delivery control valve arrangement adapted for use in a refrigerant gas compressor of double-acting swash plate type in which its delivery capacity can be varied automatically by placing the compression chambers on one side of the compressor under "loaded" and "unloaded" conditions alternately in response to the cooling load. The valve arrangement includes valve means for establishing fluid communication passages for selective application of discharge and suction pressures of the compressor to a plunger movable between two positions corresponding to the loaded and unloaded conditions, respectively, and actuator means operable in response to evaporator-suction or suction-atmosphere pressure differential for actuating the above valves.

REFERENCES:
patent: 2319130 (1943-05-01), Hanson
patent: 2766593 (1956-10-01), Mitchell et al.
patent: 4519750 (1985-05-01), Kurahashi et al.

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