Pump valve
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United States of America Patent
Stats
-
Dec 28, 2004
Grant Date -
Dec 5, 2002
app pub date -
May 24, 2002
filing date -
May 30, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A one-way fluid valve member (10) to be mounted on a valve (12) body having a valve opening (18) surrounded by a valve seat (16). The valve member (10) includes,: a valve closure part (14) to be movably mounted on the body (12) for movement relative thereto between a first position engaging the seat (16) to prevent movement of fluid through the opening (18) in a predetermined direction, and a second position spaced from the seat (16) to allow fluid to pass through the opening (18) in a direction opposite the predetermined direction; and wherein the valve closure part (14) has a convex surface to engage the seat (16) so as to project into the opening (18).
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