Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1981-10-16
1983-09-06
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
13751613, F16K 1514
Patent
active
044023421
ABSTRACT:
A compressor valve assembly for use with a gas compressor, comprises a valve seat, a valve guard, and between the valve seat and the valve guard a valve seat plate and a resilient valve member disposed side-by-side. These members are apertured with the apertures of the valve member and valve seat plate out of registry with each other, the valve member being adapted to flex toward and away from the seat plate thereby to open and close the apertures through the seat plate. The valve member has a plurality of radially extending arms that interconnect the central portion of the valve member with a peripheral portion of the valve member, and generally radially extending slots through the valve member bordering these arms. The valve seat plate has radially extending imperforate portions that underlie these slots, thereby to close the slots in the closed position of the valve assembly so as to prevent leakage of gas through those portions of the slots that overlie annular grooves in the valve seat. The valve seat plate also has radially extending slots therethrough that underlie the arms of the valve member, whereby those arms open and close the last-named slots as the valve member flexes, so that those arms add to the effective area of the valve.
REFERENCES:
patent: 921892 (1909-05-01), Rogler
patent: 3286727 (1966-11-01), Kehler
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