One way valve

Details One way valve One way valve

1989-01-23

1990-02-20

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

13751611, 13751629, 13753317, F16K 1502

Patent

active

049017578

ABSTRACT:
A one way valve includes a valve housing. A valve compartment is located with the valve housing. An inlet and an outlet port are mounted in the valve housing to provide communication with the valve compartment. The inlet port has an inner cylindrical portion extending into the valve compartment. A cup shaped valve cap is movably mounted on the inner portion of the inlet port between two positions. One in which orifices in the inner portion of the inlet port are uncovered to open the valve, and a second position in which the free edge of the valve cap engages a seal mounted in the valve compartment and surrounding the inner portion of the inlet port to close the valve. When the valve is closed the inner portion of the inlet port is completely enclosed within the valve cap. Movement of the valve cap to open the valve is limited by the cap engaging a portion of the outlet port which projects into the valve compartment.

REFERENCES:
patent: 865631 (1907-09-01), Cotter
patent: 1292962 (1919-01-01), Pocock
patent: 2481018 (1949-09-01), Johnson
patent: 2655173 (1953-10-01), Overbeke
patent: 3344806 (1967-10-01), Schultz
patent: 3805826 (1974-04-01), Westerhoff
patent: 4176680 (1979-12-01), Launay

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