Electric heating – Heating devices – With power supply and voltage or current regulation or...
Reexamination Certificate
2005-03-01
2005-03-01
Campbell, Thor (Department: 3742)
Electric heating
Heating devices
With power supply and voltage or current regulation or...
C392S463000
Reexamination Certificate
active
06861621
ABSTRACT:
The invention provides a water heater system having a water heater, a mixer valve, and a controller. The water heater includes a thermostat connected to a heating element. The water heater is connected to a cold in pipe and a hot out pipe. The mixer valve is positioned between the cold in pipe and the hot out pipe and provided an output of mixed hot and cold water. The controller is coupled to the thermostat.
REFERENCES:
patent: 5168170 (1992-12-01), Hartig
patent: 5808277 (1998-09-01), Dosani et al.
Derwent Inernational LTD. Translation summary of JP 08042744, in particular theTitle.
Campbell Thor
Colligan John F.
Krefman Stephen
Rice Robert O.
Whirlpool Corporation
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