Valve assemblies for sucker rod operated subsurface pumps

Details Valve assemblies for sucker rod operated subsurface pumps Valve assemblies for sucker rod operated subsurface pumps

1994-10-05

1995-12-05

Bertsch, Richard A.

Pumps

Expansible chamber type

Including valve assembly, disassembly, or inspection...

417554, 417567, 417569, 13753315, F04B 5310, F04B 5322

Patent

active

054723264

ABSTRACT:
This invention relates to an improvement in valve assemblies for reciprocating sucker rod operated subsurface pumps and specifically as to the traveling valves and standing valves. The traveling valve includes a valve body having an inwardly-directed lip at the bottom with the valve seat, ball and cage inserted from the top of the valve body. Further the standing valve is positioned in the upper portion of a bushing threaded into the bottom of the pump barrel, thus placing the standing valve and the traveling valve in closer proximity at the bottom of the downstroke than prior such pumps.

REFERENCES:
patent: 1523575 (1925-01-01), Beloit
patent: 2180865 (1939-11-01), Connor
patent: 3220354 (1965-11-01), Sutcliff
patent: 5178184 (1993-01-01), Sillman

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