Suction control valve

Details Suction control valve Suction control valve

1979-12-05

1982-02-16

Croyle, Carlton R.

Pumps

Condition responsive control of pump drive motor

With condition responsive control of pump fluid valve

417 28, 417295, 417317, F04B 4908

Patent

active

043157165

ABSTRACT:
A suction control valve adapted to be connected to the suction side of a compressor and comprising a valve housing, in which a valve seat is formed, which co-operates with a valve body which, in its opened position, brings the suction side of the compressor into open communication with the atmosphere. Said valve body is attached to a valve stem which, in its longitudinal direction, is slidably guided in the valve housing for the displacement of the valve body from the closed position to the open position and vice versa. A continuous bore in the valve stem is at one end in open communication with the suction side of the compressor, and opens at the other end into a diaphragm chamber, which is located on the side of a diaphragm facing away from the valve body, which diaphragm is fixed to the valve stem, while the diaphragm chamber is connected to a conduit, which accommodates a stop valve.

REFERENCES:
patent: 2317119 (1943-04-01), Stevens
patent: 3023765 (1962-03-01), Gresko
patent: 3602610 (1971-08-01), Bloom
patent: 3860363 (1975-01-01), Silvern et al.

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