Variable displacement compressor

Details Variable displacement compressor Variable displacement compressor

1991-07-31

1993-08-03

Look, Edward K.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

F01B 302

Patent

active

052319148

ABSTRACT:
A variable displacement swash plate type compressor is suitable for use as a refrigerant compressor for automobile air conditioner. The compressor includes pistons, an oscillating member for driving the piston, a rotating member for oscillating the oscillating member, a plate member for imparting a rotational force to the rotating member, and a main shaft connected to the plate member. A member, having a spherical or cylindrical surface portion and a flat surface portion, is provided between the rotating member and the plate member in such a manner that it is slidably in contact with both of the rotating member and the plate member. Also, movement of the oscillating member is defined by contact of the oscillating member with a stationary member. Consequently, it is possible to provide a variable displacement swash plate type compressor which assures reliable capacity control at a high-speed rotation and which vibrates and wears less. Furthermore, it is possible to prevent application of a thrust load to the drive shaft.

REFERENCES:
patent: 2737895 (1956-03-01), Ferris
patent: 4294139 (1981-10-01), Bex et al.
patent: 4428718 (1984-01-01), Skinner
patent: 4961690 (1990-10-01), Simoyama et al.

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