Piston-type check valve with diffuser
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United States of America Patent
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-
Jul 13, 1999
Grant Date -
N/A
app pub date -
Oct 17, 1995
filing date -
Oct 17, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An axial recess is formed in the downstream end of the diffuser body. An annular tail member is mounted on the downstream end of the valve piston. The tail member retracts into the recess when the piston is in the closed position and provides an extension of the diffuser body when the piston is in the open position.
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Family
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Cited Art Landscape
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