Profiled plate valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 28, 2003
Grant Date -
Oct 18, 2001
app pub date -
Jan 11, 2001
filing date -
Jan 11, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The subject application is directed to a compressor valve having a valve seat, a valve guard and a sealing plate with contoured sealing surfaces, the valve seat having defining inlet flow ports for admitting a controlled medium into the valve, the lower surface of the valve seat including at least one seating surface, the a valve guard having a recessed area and defining outlet flow ports for discharging a controlled medium from the valve, the sealing plate being positioned within a cavity between the valve guard and valve seat and moves relative to the lower surface of the valve seat between an open and closed position, the upper surface of the sealing plate defining at least one contoured sealing surface for engaging at least one seating surface of the valve seat along a continuous line of contact when the valve is in the closed position.
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