Quick heater for drinking water

Details Quick heater for drinking water Quick heater for drinking water

2005-07-05

2005-07-05

Campbell, Thor S. (Department: 3742)

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

C392S465000, C392S479000

Reexamination Certificate

active

06915070

ABSTRACT:
A quick heater for drinking water includes a helical water pipe defining a narrow space therebetween for fitting an electric heating tube and having a water inlet and a water outlet. The water pipe and the electric heating tube are wrapped up with a support base having its outer side bored with plural holes respectively for the opposite ends of the water pipe and two wire connecting terminals of the electric heating tube to extend out therethrough. The support base has plural lugs at the inner side for support a container with a water intake pipe and a water-releasing pipe, the water intake pipe connected with the water outlet of the water pipe. When cool water gets into the water pipe, it flows circularly therein and is heated by the electric heating tube, and then conveyed to the container for use through the water intake pipe.

REFERENCES:
patent: 3711681 (1973-01-01), Leuschner et al.
patent: 4095086 (1978-06-01), Ohnmacht et al.
patent: 4460819 (1984-07-01), Eugster
patent: 4792661 (1988-12-01), Schmidtchen et al.
patent: 4825042 (1989-04-01), Hauslein
patent: 5367607 (1994-11-01), Hufnagl et al.
patent: 6701068 (2004-03-01), Lin
patent: 6724985 (2004-04-01), Matsunaga et al.

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