Reciprocatory piston type compressor with a rotary valve

Details Reciprocatory piston type compressor with a rotary valve Reciprocatory piston type compressor with a rotary valve

1993-03-02

1993-12-07

Bertsch, Richard A.

Pumps

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

417517, 91499, F04B 114

Patent

active

052678393

ABSTRACT:
A reciprocatory piston type compressor having an axial cylinder block in which a plurality of axial cylinder bores are formed for receiving pistons therein to compress a refrigerant and to discharge the compressed refrigerant, housings air-tightly connected to the opposite ends of the axial cylinder block to define a suction chamber for the refrigerant before compression, a discharge chamber for the refrigerant after compression, and a chamber for receiving a swash plate accommodated piston reciprocating mechanism operated by a rotatable drive shaft axially extended through the chamber, and a rotary valve element arranged so as to be rotated together with the drive shaft and having a fluid passageway for controlling the supply of the refrigerant from the suction chamber to the respective cylinder bores in response to rotation thereof. The rotary valve element may also have another fluid passageway for controlling the discharge of the compressed refrigerant from the cylinder bores to the discharge chamber in response to rotation thereof.

REFERENCES:
patent: 1364508 (1921-01-01), Moody
patent: 2248449 (1941-07-01), Dudley
patent: 3482521 (1969-12-01), Wolf
patent: 3734647 (1973-05-01), Sparks
patent: 4007663 (1977-02-01), Nagatomo et al.
patent: 4642032 (1987-02-01), McBeth
patent: 4749340 (1988-06-01), Ikeda et al.
patent: 4764091 (1988-08-01), Ikeda et al.
patent: 4781540 (1988-11-01), Ikeda et al.

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