Water heater

Stoves and furnaces – Liquid heater – Solid fuel burner and submerged under the liquid

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Details

126360R, 122479R, 122 32, 165 39, 165108, 236 18, F24H 136, F22G 500

Patent

active

042780691

ABSTRACT:
A water heater comprises an elongated vessel having a heat exchanger that occupies a substantial portion at one end and leaves a minimum volume storage and blending zone at the other end of the vessel. Water is recirculated through the heat exchanger, preferably continuously, through a recirculation conduit that takes water through its inlet essentially solely from the outlet end of the heat exchange zone and returns it to the inlet end, the intake of the recirculation conduit being located at the lower end of the volume storage and immediately above an apertured partition extending across the interior of the vessel immediately above the heat exchanger. The temperature sensor of the control thermostat is received within a tunnel secured to the partition. The tunnel has two side outlet openings away from the aperture so that the thermostat is always subject to the hottest water just above the heat exchanger for fast and accurate control of the heating fluid on failure of the circulating pump.

REFERENCES:
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patent: 2296325 (1942-09-01), Bak
patent: 2879749 (1959-03-01), Lewy
patent: 3133590 (1964-05-01), Lowe
patent: 3315735 (1967-04-01), Stranko
patent: 3351130 (1967-11-01), Lowe
patent: 3364986 (1968-01-01), Morgan et al.
patent: 3383040 (1968-05-01), Darm
patent: 3446939 (1969-05-01), Morgan et al.
patent: 3597588 (1971-08-01), Kirschner et al.
patent: 3666003 (1972-06-01), Clark, Jr. et al.
patent: 3672444 (1972-06-01), Lowe
patent: 3688839 (1972-09-01), Kirschner
patent: 3730261 (1973-05-01), Clark, Jr.
patent: 4046189 (1977-09-01), Clark, Jr.

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