Frost-free water supply

Details Frost-free water supply Frost-free water supply

1995-03-31

1996-09-10

Walton, George L.

Fluid handling

Hydrant type

Expansible chamber operated by valve actuator for draining...

137301, E03B 904, E03B 914

Patent

active

055536379

ABSTRACT:
A freeze-resistant water supply system comprising a drinking water outlet having an ON-OFF control; a water supply line to the outlet and having a section subjected to cold temperature, and a drain line associated with the outlet to receive discharge water supplied via the outlet; and, apparatus operatively coupled with the water supply line and drain line for periodically effecting evacuation of water from the supply line section for ultimate flow to the drain line, as a function of the operation of the ON-OFF control.

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