Waterline freeze protection system

Details Waterline freeze protection system Waterline freeze protection system

1983-07-08

1984-11-13

Walton, George L.

Fluid handling

Freeze condition responsive safety systems

137565, 417 40, E03B 712, F16L 5500

Patent

active

044819668

ABSTRACT:
A water line freeze protection system consisting of first and second branch pipes extending from a water service pipe, a water holding tank, a metering orifice between the first branch pipe and the holding tank, a pump and a check valve between the holding tank and the second branch pipe, the check valve permitting flow of water only in the direction from the pump to the second branch pipe, a float and switch secured to the holding tank to activate the pump at an upper water level and deactivate the pump at a lower water level, and an overflow pipe from the holding tank to pass water from the holding tank into a drain when the pump is none operational.

REFERENCES:
patent: 1607246 (1926-11-01), Durdin, Jr.
patent: 2739662 (1956-03-01), Sofia
patent: 2791964 (1957-05-01), Reeve
patent: 3091184 (1963-05-01), Wood
patent: 3149571 (1964-09-01), Myers
patent: 3366063 (1968-01-01), Cottrell

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