Discharge valve

Details Discharge valve Discharge valve

1980-01-22

1982-05-11

Cline, William R.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

13754317, F16K 1502

Patent

active

043291252

ABSTRACT:
There is disclosed an improved discharge valve assembly for compressors utilizing a disc-like pressure responsive discharge valve, the assembly comprising hardened seats on the valve and cylinder head, a compression spring disposed therebetween urging the valve in a closing direction, and a spring guide surrounding the spring and providing a continuous annular stop surface for limiting opening movement of the valve, whereby wear is reduced and valve lift controlled. In an alternative embodiment the assembly operates between the valve and a bridge member rather than the cylinder head.

REFERENCES:
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patent: 3664371 (1972-05-01), Schneider
patent: 3889710 (1975-06-01), Brost
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Excerpt from "Machine Design", (U.S.) vol. 42, p. 146, Nov. 12, 1970.
"A Look at Problem-Solving with Custom-Made Vespel.RTM. Parts made by DuPont from high-performance engineering resins".

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