Reciprocating piston compressor with variable capacity machanism

Details Reciprocating piston compressor with variable capacity machanism Reciprocating piston compressor with variable capacity machanism

1989-11-07

1991-09-24

Look, Edward K.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417222S, 417269, 417270, 92 122, F04B 126, F01B 300, F01B 1304

Patent

active

050510673

ABSTRACT:
A wobble plate type compressor with a variable capacity mechanism is disclosed. Changing the displacement of a cylinders and therefore the capacity of the compressor is accomplished by varying the angle of an inclined surface of the wobble plate. This angle is varied by changing the difference in pressure between the crank chamber and the suction chamber. This pressure difference is controlled by changing the suction chamber pressure while uniformly maintaining the crank chamber pressure. In one embodiment the capacity varying mechanism includes a bellows. In another embodiment the capacity varying mechanism includes an electromagnetic valve and an electronic pressure sensor.

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