Fluid pressure operated valve

Details Fluid pressure operated valve Fluid pressure operated valve

1983-09-06

1984-10-30

Michalsky, Gerald A.

Fluid handling

Larner-johnson type valves; i.e., telescoping internal valve...

Line condition change responsive

137219, F16K 112

Patent

active

044795076

ABSTRACT:
A fluid pressure operated valve device for connection to the inlet and outlet sides of a pilot valve has a two part, axially separable hollow cylindrical body with axially aligned inlet and outlet passageways, a side ported hollow cylindrical liner of smaller diameter having a closed end and an open end is fixed in the body with its open end surrounding the inlet passageway, a biased closed valve element reciprocates in the liner and controls the ports, passageway means for applying inlet pressure to the interior of the liner to close the valve element, and passageway means leading from the interior of the liner to the exterior of the valve body and from the exterior of the valve body through the valve body to the outlet passageway.

REFERENCES:
patent: 2841359 (1958-07-01), Berck
patent: 3101924 (1963-08-01), Berck
patent: 3171432 (1965-03-01), Bard
patent: 3260275 (1966-07-01), Armstrong et al.
patent: 3587622 (1971-06-01), Hardison

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