Water supply winterizing system

Details Water supply winterizing system Water supply winterizing system

1984-01-06

1985-07-30

Chambers, A. Michael

Fluid handling

With heating or cooling of the system

137301, 137559, 137566, 137899, 138 34, E03B 500, F16K 3700

Patent

active

045315388

ABSTRACT:
A system and apparatus operative in a winterizing mode for controllably filling hot and cold water supply lines with anti-freeze to prevent against burst pipes and, in a summerizing mode, for pump recovering the anti-freeze. In one embodiment, the system includes a closed loop, valve containing path having a separate pump, filter and anti-freeze tank. In other alternative embodiments, the water supply tank and a four-way valve are coupled to the closed loop path for switchably operating in the winterizing/summerizing modes, without resorting to a separate pump.

REFERENCES:
patent: 2670082 (1954-02-01), Dunn et al.
patent: 3873004 (1975-03-01), Feild
patent: 3893473 (1975-07-01), Breece
patent: 3929154 (1975-12-01), Goodwin
patent: 4286617 (1981-09-01), Bedient
patent: 4298021 (1981-11-01), Bozeman

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