Water supply system

Details Water supply system Water supply system

2006-11-29

2010-11-16

Jules, Frantz F (Department: 3744)

Heat exchange

With timer, programmer, time delay, or condition responsive...

Temperature responsive or control

C165S061000, C165S062000, C165S063000, C165S064000, C165S240000, C062S118000, C062S159000, C062S160000, C062S238700, C062S324100, C062S324400, C062S324600

Reexamination Certificate

active

07832466

ABSTRACT:
A water supply system includes a main water tank and a sub-tank of smaller dimensions than the main tank for supplying hot and cold water for household use. The sub-tank is surrounded by a tubular coil of refrigerant in contact with the sub-tank, a layer of insulation and an outer wall for maintaining the insulation in place and protecting the tubular coil and sub-tank from being damaged. A water heater is disposed in or below a lower part of the tank and a three-way switch is provided for selecting heating or refrigeration during different seasons of the year.

REFERENCES:
patent: 3333438 (1967-08-01), Benua et al.
patent: 3548923 (1970-12-01), Kunihiko et al.
patent: 4168745 (1979-09-01), Lastinger
patent: 5220807 (1993-06-01), Bourne et al.
patent: 2005/0150650 (2005-07-01), Helt
patent: 2006/0011149 (2006-01-01), Stevens

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