Control means for ground hydrants

Details Control means for ground hydrants Control means for ground hydrants

1985-12-31

1986-10-21

Walton, George L.

Fluid handling

Hydrant type

137291, 137296, 13762413, 25112918, 2511292, F16K 3102, E03B 904

Patent

active

046179569

ABSTRACT:
A control means for ground hydrants is disclosed for use in combination with a conventional freezeless ground hydrant having an elongated vertical housing with a valve means at the lower end thereof to control the inflow of pressurized water. The valve means includes an elongated control rod that extends upwardly through the housing. A fluid passageway extends through the housing and terminates in an exit port. The control rod for the valve means is spring loaded in a downward or closed position by a tension-adjustable spring secured thereto. A solenoid means is mounted upwardly of the rod and is operatively secured thereto. An electrical timer is connected in series with the solenoid. When the solenoid is electrically actuated, the solenoid will pull the rod upwardly to open the valve in the bottom of the housing. When the electrical timer de-energizes the solenoid, the spring adjacent the rod will cause the valve to close.
An alternate form of the invention utilizes a lever mechanism between the solenoid and the rod controlling the valve means to allow the solenoid to more efficiently move the rod into an upward position.

REFERENCES:
patent: 2148703 (1939-02-01), Martin
patent: 2772067 (1956-11-01), Wilson
patent: 3444892 (1969-05-01), Doyle et al.
patent: 3506034 (1970-04-01), Branton
patent: 4071047 (1978-01-01), Greene
patent: 4372339 (1983-02-01), Anderson
patent: 4412557 (1983-11-01), Schmid

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