Compressor

Details Compressor Compressor

1981-02-23

1983-09-27

Camby, John J.

Pumps

With condition responsive pumped fluid control

Inlet throttle or stop valve

417300, 417302, 417303, 417304, F04B 4900

Patent

active

044065892

ABSTRACT:
A compressor comprises a main compressor body of compressing air, an unloader valve device provided at the suction side of the main compressor body, a bleeding pipe provided between the ejection side of the main compressor body and the unloader valve device, and a controlling valve mechanism provided inside the bleeding pipe. The controlling valve mechanism opens by detecting the fluid pressure at the ejection side of the main compressor body. Further, the unloader valve device has a check valve which opens upon-no-load operation and stopping of the operation of the main compressor body, a main valve which opens due to the air released through the bleeding pipe when the controlling valve mechanism opens, a bleeding passage for releasing the released air supplied to the suction side of the check valve, and a relief passage which communicates when the main valve opens, to release the released air to the suction side of the main compressor body.

REFERENCES:
patent: 2997227 (1961-08-01), Ternent
patent: 3103891 (1963-09-01), Fulton et al.

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