Water heating vessel

Details Water heating vessel Water heating vessel

2007-09-11

2010-10-19

Robinson, Daniel (Department: 3742)

Electric resistance heating devices

Heating devices

Tank or container type liquid heater

C450S145000

Reexamination Certificate

active

07817907

ABSTRACT:
A tank for retaining and heating water is defined by tank walls, including a bottom wall portion comprised of stainless steel. The tank has a water inlet and a water outlet for dispensing hot water. An aluminum intermediate plate is brazed to the lower surface of the bottom wall portion. A heating element secured within a heat conductive sheath, is brazed to the intermediate plate. A baffle is positioned within the walls of the tank, dividing the tank into an upper water reservoir and a lower preheating chamber, the baffle having at least one open portion defined therethrough.

REFERENCES:
patent: 3962560 (1976-06-01), Braathen
patent: 4598694 (1986-07-01), Cromer
patent: 4614859 (1986-09-01), Beckering et al.
patent: 4632065 (1986-12-01), Kale
patent: 4634838 (1987-01-01), Berz
patent: 5898818 (1999-04-01), Chen
patent: 6243535 (2001-06-01), Bochud
patent: 6898374 (2005-05-01), Wen
patent: 6907923 (2005-06-01), Sienel

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