Gas compressor unloading means

Details Gas compressor unloading means Gas compressor unloading means

1975-05-14

1976-11-02

Vrablik, John J.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

418206, 418191, F04B 4902, F01C 118, F01C 2116, F04C 1710

Patent

active

039894134

ABSTRACT:
The unloading means comprise unloading ports, and valving therefor, for step-control unloading of a gas compressor. In a first embodiment, the unloading means are provided in side walls of a rotary, positive displacement, gas compressor, and in an alternate embodiment the unloading means are disposed within end walls (of a rotary, positive displacement, gas compressor), and comprehends means for step-control of a plural-stage machine.

REFERENCES:
patent: 2097037 (1937-10-01), Northey
patent: 2580030 (1951-12-01), Lee
patent: 3472445 (1969-10-01), Brown
patent: 3811792 (1974-05-01), Kennedy

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