Fluid handling – Hydrant type – Expansible chamber operated by valve actuator for draining...
Patent
1998-03-03
2000-04-11
Walton, George L.
Fluid handling
Hydrant type
Expansible chamber operated by valve actuator for draining...
137287, 137301, E03B 904, E03B 914
Patent
active
060477237
ABSTRACT:
A yard hydrant comprising a cylinder, and a piston movable up and down in the cylinder in association with water flow into and out of a reservoir in the cylinder; tubular structure associated with the piston and extending upwardly from the piston and downwardly from the piston, and movable therewith; supply structure to deliver water from a source into the tubular structure for flow upwardly therein and delivery above the piston and cylinder when the piston is in a first position relative to the cylinder; there being porting carried by the tubular structure to drain water into the reservoir within the cylinder below the piston, when the piston is moved to a second position relative to the cylinder; and an actuator above the piston and cylinder to effect displacement of the piston and between up and down positions.
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Haefliger William W.
Walton George L.
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