Variable capacity wobble plate type compressor with capacity reg

Details Variable capacity wobble plate type compressor with capacity reg Variable capacity wobble plate type compressor with capacity reg

1990-06-13

1992-09-08

Bertsch, Richard A.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417270, 4172221, F04B 128

Patent

active

051453266

ABSTRACT:
A variable capacity wobble plate type compressor with a variable angle non-rotary wobble plate, having a suction chamber for refrigerant gas before compression, a discharge chamber for a refrigerant gas after compression, a crankcase defining a crank chamber to receive therein a drive and a wobble plate mechanism mounted about a drive shaft connectable to a drive source, i.e., a car engine, operatively connected to compressing pistons reciprocatorily movable in cylinder bores to cause compressing motions and capable of changing the wobble angle thereof in response to a difference between pressures in the crank and the suction chambers, a gas supply passageway providing a communication between the discharge chamber and the crank chamber, a gas evacuation passageway providing a communication between the crank chamber and the suction chamber, a capacity regulating valve arranged in the gas supply passageway to regulate an opening and closing of the communication between the discharge and the crank chambers in response to a change in one of pressures in the crank chamber, the suction chamber, and the discharge chamber with respect to a given set pressure value, and an external control unit capable of changing the given set pressure value in response to an externally applied signal.

REFERENCES:
patent: 4606705 (1986-08-01), Parekm
patent: 4685866 (1987-08-01), Takenaka
patent: 4687419 (1987-08-01), Suzuki
patent: 4702677 (1987-10-01), Takenaka et al.
patent: 4723891 (1988-02-01), Takenaka
patent: 4730986 (1988-03-01), Kayukawa et al.
patent: 4737079 (1988-04-01), Kurosawa
patent: 4875832 (1989-10-01), Suzuki

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