Electric baseboard heater control

Details Electric baseboard heater control Electric baseboard heater control

2007-09-07

2010-11-23

Paschall, Mark H (Department: 3742)

Electric heating

Heating devices

With power supply and voltage or current regulation or...

C219S492000, C236S00100H

Reexamination Certificate

active

07838803

ABSTRACT:
In order to provide an electric heat system that is quieter than those of the prior art, a switching circuit is incorporated into the controls for the heating system which provides for the heating elements of the electric heater to be kept at a more constant temperature than those of the prior art. The switching circuit regulates the output power to the degree desired while not inducing sharp changes in temperature of the coils of the electric heater and thus reduces the degree of rapid expansion and contraction of the coils and the enclosure for the heater. This in turn reduces the amount of mechanical noise produced by the electric heater while also reducing wear and tear on the heating element, the heater enclosure and objects near to the heater.

REFERENCES:
patent: 4010412 (1977-03-01), Forman
patent: 4786799 (1988-11-01), Welle et al.
patent: 5293028 (1994-03-01), Payne
patent: 5908571 (1999-06-01), Scott
patent: 7175098 (2007-02-01), DeLuca

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