Freeze proof sanitary yard hydrant
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United States of America Patent
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-
Jul 21, 2015
Issued Date -
N/A
app pub date -
Nov 11, 2013
filing date -
Nov 11, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A yard hydrant, including a discharge nozzle above ground level, connects to other vertically reciprocal working parts in the ground below the frost line. A water storage chamber, disposed below the frost line, is formed in part by a deformable diaphragm. Residual water in the hydrant, when the hydrant is turned off, is collected in the water storage chamber and returned to the hydrant for discharge through the nozzle when the hydrant is turned on. A venturi disposed in the water supply line creates turbulence and thereby creates a lower pressure adjacent the exit of the venturi when the hydrant is turned on. This lowered pressure at the venturi exit speeds up the evacuation of water from the water storage chamber when the hydrant is on so the storage chamber can accept and store water that would otherwise be above the frost line when the hydrant is turned off.
First Claim
Family
International Classification(s)
Cited Art Landscape
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