Backpressure relief valve
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United States of America Patent
Stats
-
Mar 1, 2011
Grant Date -
Aug 23, 2007
app pub date -
Jan 10, 2007
filing date -
Jan 10, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sillcock for supplying varying amounts of water at various temperatures includes a backpressure relief valve for relieving backpressure in the sillcock. The sillcock includes a sillcock tube and a valve body attached to the sillcock tube. A cartridge assembly is provided in the valve body, and an actuation assembly extends through the sillcock tube. The actuation assembly cooperates with the cartridge assembly to control the volume and temperature of water exiting the sillcock according to the axial and rotational movements of a knob. The backpressure relief valve includes a deformable member operable to allow water to be expelled from the sillcock if backpressure is present.
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Family
International Classification(s)
Cited Art Landscape
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