Variable capacity compressor

Details Variable capacity compressor Variable capacity compressor

1988-02-19

1989-03-28

Freeh, William L.

Pumps

With condition responsive pumped fluid control

Inlet throttle or stop valve

417310, F04B 4902, F04C 2908

Patent

active

048159441

ABSTRACT:
In a variable capacity compressor having a capacity control mechanism so as to keep a suction pressure constant by detecting the suction pressure, plural return ports (18), a return passage (10) and an exit (19) are provided for bypassing refrigerant gas from a volume-decrease-step space in a cylinder compartment (5a) to a volume-increase-step space in that, and a guide passage (8) wherein a slider slides by a pressure of refrigerant gas is provided for controlling an amount of bypassing gas; and thereby it is possible to control capacity correctly and stably.

REFERENCES:
patent: 4557670 (1985-12-01), Inagadi et al.
patent: 4744732 (1988-05-01), Wakajima et al.

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