Gas compressor unloading means

Details Gas compressor unloading means Gas compressor unloading means

1976-06-21

1977-11-22

Vrablik, John J.

Pumps

With intercooler

417252, 417253, 417286, 418 9, F04B 4902, F01C 1100, F04C 1704, F04C 2300

Patent

active

040593681

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: 1818768 (1931-08-01), Swartwout
patent: 2097037 (1937-10-01), Northey
patent: 2453402 (1948-11-01), Bell
patent: 3295752 (1967-01-01), Bellmer
patent: 3689197 (1972-09-01), Berle et al.

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