Control valves

Details Control valves Control valves

1974-08-05

1976-02-17

Klinksiek, Henry T.

Valves and valve actuation

Lost motion between actuator and valve

Check valve with external opening and closing means

1374546, 137269, F16K 3150

Patent

active

039387771

ABSTRACT:
Three flow control valves are described, each of which incorporates a sleeve having a double conical valve seat and at least one frusto-conical valve member mounted on a support stem in a valve bore between first and second ports. In the first and second flow control valves, a restricted flow of fluid in one direction and substantially unrestricted flow in an opposite direction between the ports is obtained. The third control valve is provided with two valve members, and controlled flow rates in both directions between the ports are obtained. Any one of the control valves is readily converted into either of the other control valves and a total of only seventeen different parts is needed to construct any one of the valves.

REFERENCES:
patent: 1575449 (1926-03-01), Mozian
patent: 1602118 (1926-10-01), Mortimer
patent: 1971186 (1934-08-01), Kornas
patent: 2245757 (1941-06-01), Cazenave
patent: 3420493 (1969-01-01), Kraft
patent: 3589671 (1971-06-01), Strache

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