Method and apparatus for electrically heating a fluid

Details Method and apparatus for electrically heating a fluid Method and apparatus for electrically heating a fluid

1973-06-01

1976-07-06

Bartis, A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

122 31R, 165 1, 165155, 219301, 219306, 219314, 219341, H05B 100, F24H 112

Patent

active

039683460

ABSTRACT:
A compact and fast acting tankless heater has an elongated tubular casing having water inlet and outlet conduits at opposite ends. A elongated generally helically twisted inner tube is disposed coaxially within the casing to define helical channel means between the tube and casing for conducting water longitudinally from the casing inlet to the casing outlet. The inner tube has a water inlet at one end communicating with the water inlet of the casing and the other end of the tube is closed. An elongated electric heating means is disposed within the inner tube for heating the water therein. The inner tube has a plurality of longitudinally spaced openings for conducting hot water and steam from the inner tube into the helical channel means to combine with the water flowing through the helical channel means from the casing inlet to the casing outlet. An additional electric heater sleeve can be provided to surround the exterior of the casing.

REFERENCES:
patent: 223911 (1880-01-01), Hinsdale
patent: 1045975 (1912-12-01), Haskell
patent: 1494326 (1924-05-01), Adams
patent: 1534298 (1925-04-01), Clark
patent: 1670506 (1928-05-01), Johnson
patent: 1772557 (1930-08-01), Schumers
patent: 1797520 (1931-03-01), Case
patent: 1977156 (1934-10-01), Staley
patent: 1994765 (1935-03-01), Harvey
patent: 2026809 (1936-01-01), Wimm
patent: 2462746 (1949-02-01), Inman
patent: 2822157 (1958-02-01), Porter
patent: 3247359 (1966-04-01), Feld

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