Axial multi-piston type compressor having movable discharge valv

Details Axial multi-piston type compressor having movable discharge valv Axial multi-piston type compressor having movable discharge valv

1992-11-23

1994-05-31

Bertsch, Richard A.

Pumps

Three or more cylinders arranged in parallel, radial, or...

417270, 91472, F04B 112, F04B 2708, F01B 1304

Patent

active

053164474

ABSTRACT:
A compressor comprises a cylinder block having cylinder bores formed radially spaced from and circumferentially distributed equidistantly about the cylinder longitudinal axis. Pistons are slidably received in the respective bores for reciprocation therein executing alternately suction and discharge strokes. The compressor also has a discharge valve assembly for controlling discharge of a compressed fluid from each of the bores into a discharge chamber, which assembly is axially movable between a first position in which the assembly is abutted against an end wall of the block and a second position in which the assembly is spaced from the end wall of the block to define a narrow space therebetween to interconnect the bores with each other. When the assembly is pushed toward the second position by the pressure of the compressed fluid during initial running of the compressor, bypass channels interconnect the cylinder with the discharge chamber.

REFERENCES:
patent: 4813852 (1989-03-01), Ikeda et al.
patent: 4911614 (1990-03-01), Kawai et al.
patent: 4976284 (1990-12-01), Hovarter
patent: 5032060 (1991-07-01), Kobayashi et al.
patent: 5076764 (1991-12-01), Kawai et al.
patent: 5100306 (1992-03-01), Moran, Jr. et al.
patent: 5178521 (1993-01-01), Ikeda et al.
patent: 5207563 (1993-05-01), Ikeda et al.

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