Portable water heater utilizing combined fluid-in-circuit and in

Details Portable water heater utilizing combined fluid-in-circuit and in Portable water heater utilizing combined fluid-in-circuit and in

1992-03-26

1993-06-22

Bartis, Anthony

Electric resistance heating devices

Heating devices

Fluid-in-circuit type heater

219 1047, 219 1051, 219 10491, 392318, 392324, 392338, B42F 1700

Patent

active

052221857

ABSTRACT:
A portable electric water heater has spaced concentrically disposed ferromagnetic electrodes defining an annular chamber for an electrically conductive liquid to be contained between the electrodes. The electrodes are encased in a housing having a liquid inlet and outlet and wired to pass an electric heating current between the electrodes and through the liquid therebetween to heat the liquid in the annular chamber. The liquid acts as a switch, breaking the heating current flow when no liquid is present in the annular chamber. An electromagnetic induction coil is disposed around one of the electrodes and has one of its leads connected to the electrode. The other induction coil lead and the other electrode are connected to a source of electric current. Completion of the electric circuit by introduction of a liquid between the electrodes also energizes the electromagnetic induction coil to further heat the fluid.

REFERENCES:
patent: 760280 (1904-05-01), Toennes
patent: 1025281 (1912-05-01), Lawson
patent: 1358982 (1920-11-01), Papini
patent: 1360437 (1920-11-01), Papini
patent: 1362356 (1920-12-01), Schneider
patent: 1366752 (1921-01-01), Stephens
patent: 1406100 (1922-02-01), Stephens
patent: 1433388 (1922-10-01), Ledig
patent: 2140516 (1938-12-01), Cowan
patent: 2519515 (1950-08-01), Turner

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