Water heating method and apparatus

Details Water heating method and apparatus Water heating method and apparatus

1981-08-03

1983-10-18

Scott, Samuel

Stoves and furnaces

Liquid heater

Boiler receiving hot liquid or steam from stove or furnace

122 4A, F24J 302

Patent

active

044099584

ABSTRACT:
A method and apparatus for obtaining water at a desired temperature from a generally vertical tank such as a water heater is disclosed, characterized in that water is drawn from the tank at a plurality of spaced vertical points where the water temperature has the desired temperature. The tank contains a quantity of water having a variable non-uniform temperature. A vertical pipe open at its upper and lower ends is centrally arranged within the tank, the lower end of the pipe extending through the bottom of the tank to define a water outlet. A plurality of normally closed, temperature responsive valves are connected with the pipe in vertically spaced relation. Each of the valves is operable when the water adjacent thereto has a predetermined temperature to deliver that water to the pipe, whereby the water at the outlet will have the predetermined temperature.

REFERENCES:
patent: 1802326 (1931-04-01), Brooks
patent: 2012101 (1935-08-01), Hynes
patent: 3212337 (1965-10-01), McCarrick
patent: 3241760 (1966-03-01), Bailey
patent: 3300134 (1967-01-01), Wahler
patent: 3893618 (1975-07-01), Wong et al.
patent: 4055298 (1977-10-01), Wilson
patent: 4164322 (1979-08-01), Wong et al.

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