In-line check valve having combined downstream poppet support and flow control elements
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United States of America Patent
Stats
-
Aug 27, 1985
Grant Date -
N/A
app pub date -
Jul 17, 1984
filing date -
Jul 17, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A poppet-type check valve utilizing an integral detachable flow control assembly for insertion into a cooperating housing. The checking poppet is oriented with its actuating stem, concentric guide, and concentric force bias spring downstream of the check flow controlled orifice. In a preferred embodiment, the flow control assembly is located internal of a housing having a first flow length adjacent the controlled flow orifice and seat, and a second converging flow length abutting said first flow length, and a terminating flow outlet adjacent the valve outlet port. When mounted internal of the preferred housing, the valve poppet assembly lies partially within the first flow area and extends a predetermined distance into the converging section, thereby greatly reducing turbulence and having a demonstrated reduction in medium flow pressure drop over presently used units.
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Cited Art Landscape
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