Variable displacement compressor

Details Variable displacement compressor Variable displacement compressor

1997-11-18

2000-10-03

Thorpe, Timothy S.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

F04B 126

Patent

active

061264067

ABSTRACT:
A housing of a compressor has a shutter chamber for accommodating a shutter. The shutter moves between a closed position, where the shutter stops flow of gas from an external circuit into a suction chamber, and an open position, where the shutter permits the gas flow in response to the tilting motion of a swash plate. A coil spring, which has a conical shape, is located in the shutter chamber to bias the shutter in a direction toward the open position from the closed position. The spring is arranged to prevent the spring from sliding against the inner wall of the shutter chamber when the spring is expanded or contracted by movement of the shutter member.

REFERENCES:
patent: 4632405 (1986-12-01), Kawane
patent: 5584670 (1996-12-01), Kawaguchi et al.
patent: 5636973 (1997-06-01), Sonobe et al.
patent: 5741122 (1998-04-01), Yokono et al.

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