Variable capacity refrigerant compressor with an aluminum cam pl

Details Variable capacity refrigerant compressor with an aluminum cam pl Variable capacity refrigerant compressor with an aluminum cam pl

1998-02-27

2000-10-31

Freay, Charles G.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417269, 92 71, F04B 126

Patent

active

061392820

ABSTRACT:
A variable capacity single-headed piston type refrigerant compressor provided with an aluminum-made cam plate rotating with an axial drive shaft to cause reciprocation of a plurality of single-headed pistons within respective cylinder bores, the cam plate further axially moving in parallel with the drive shaft to adjustably change its angle of inclination with respect to a reference plane perpendicular to the axis of rotation of the drive shaft to thereby adjustably vary the capacity of the compressor, the cam plate being further provided with a weight made of iron system material and generating a centrifugal force on the cam plate during the rotation of the cam plate to thereby produce a moment M2 counteracting an unfavorable moment M1 acting on the cam plate due to the high-speed reciprocation of the pistons.

REFERENCES:
patent: 4073603 (1978-02-01), Abendschein et al.
patent: 4801248 (1989-01-01), Tojo et al.
patent: 5105728 (1992-04-01), Hayase et al.
patent: 5336056 (1994-08-01), Kimura et al.
patent: 5567124 (1996-10-01), Takenaka et al.
patent: 5762476 (1998-06-01), Ota et al.

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