Variable displacement compressor

Details Variable displacement compressor Variable displacement compressor

1992-10-15

1994-06-07

Bertsch, Richard A.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417270, F04B 126

Patent

active

053184106

ABSTRACT:
An improved wobble plate type variable displacement compressor compressing the refrigerant gas with pistons and discharges the gas from a discharge chamber is disclosed. The piston stroke is adjusted according to the tilt angle of the wobble plate which is varied by the magnitude of the inner pressure of the crank case. The first passage connects a suction chamber to the crank case for transferring the pressure of the crank case to the suction chamber. The second passage connects the crank case to the discharge chamber for transferring the pressure of the discharge chamber to the crank case via a restriction when the difference between the pressures and within the discharge chamber and the crank case is in excess of the predetermined value.

REFERENCES:
patent: 4685866 (1987-08-01), Takenaka et al.
patent: 4723891 (1988-02-01), Takenaka
patent: 4730986 (1988-03-01), Kayukawa
patent: 4732544 (1988-03-01), Kurosawa
patent: 4752189 (1988-06-01), Bearint
patent: 4780060 (1988-10-01), Terauchi
patent: 4815943 (1989-03-01), Kawashima
patent: 5027612 (1991-07-01), Terauchi
patent: 5071321 (1991-12-01), Skinner

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