Water supply system

Details Water supply system Water supply system

1999-10-13

2000-07-11

Walton, George L.

Fluid handling

Hydrant type

Expansible chamber operated by valve actuator for draining...

137301, E03B 904, E03B 914

Patent

active

060857765

ABSTRACT:
A freeze-resistant water supply system comprising a water outlet or outlets having ON-OFF controls; a water supply line or lines to the outlet or outlets and having a section subjected to cold temperature, and a drain line or lines associated with the outlet or outlets to receive discharge water, and apparatus operatively coupled with the water supply line or lines 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 controls.

REFERENCES:
patent: 4096877 (1978-06-01), Arledge, II
patent: 4282895 (1981-08-01), Young
patent: 4520836 (1985-06-01), Hutter, III
patent: 4653521 (1987-03-01), Fillman
patent: 4653522 (1987-03-01), Fillman et al.
patent: 5261441 (1993-11-01), Anderson
patent: 5553637 (1996-09-01), Hoeptner, III
patent: 6003780 (1999-12-01), Gurries, II et al.

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