Water heater heat trap assembly

Details Water heater heat trap assembly Water heater heat trap assembly

1980-02-04

1981-09-01

Davis, Albert W.

Stoves and furnaces

Liquid heater

Boiler receiving hot liquid or steam from stove or furnace

137433, 137512, 137515, 137496, F24H 100

Patent

active

042865735

ABSTRACT:
A heat trap assembly to prevent heat loss in the cold water inlet and hot water outlet piping systems of hot water storage vessels. The assembly consists of a heat sealing member normally located against a seat within the piping system of the cold water inlet to close off loss of heat by thermal circulation from the hot water in the storage vessel when no cold water is flowing through the piping and into the storage vessel and a second heat sealing member located against a seat within the piping system of the hot water outlet to close off loss of heat by thermal circulation from the hot water in the storage vessel when no hot water is flowing from the vessel. The heat sealing members are moved from their respective seats when water is flowing through the piping and stops are provided which confine the longitudinal movement of the respective heat sealing members.

REFERENCES:
patent: 1844613 (1932-02-01), Thompson
patent: 1863273 (1932-06-01), Hofferbert
patent: 1897492 (1933-02-01), Ledoux
patent: 2105893 (1938-01-01), Salmonsen
patent: 2223509 (1940-12-01), Brauer
patent: 3144904 (1964-08-01), Kahn et al.
patent: 3190284 (1965-06-01), Koepf

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