Method of operating gas furnace igniter

Electric heating – Heating devices – With power supply and voltage or current regulation or...

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Details

323236, 219492, 219508, 219494, 307 84, 307 43, 361264, H05B 102

Patent

active

049356062

ABSTRACT:
The combination of a heating element and a control unit therefor and methods of making and of operating the same are provided, the heating element normally being adapted to be operated by the continuous full wave pulses of a certain high voltage alternating current source and the control unit being operatively interconnected to the heating element for operatively interconnecting the heating element to a high voltage alternating current source, the control unit having an arrangement for operating the heating element with a certain repeating pattern of skipped full half-wave pulses of the source when the source has a higher voltage than the certain source.

REFERENCES:
patent: 4188528 (1980-02-01), Wierzchowski et al.
patent: 4506144 (1985-03-01), Hesford et al.
patent: 4604517 (1986-08-01), Barry
patent: 4608500 (1986-08-01), Togawa
patent: 4626697 (1986-12-01), Nelson
patent: 4638176 (1987-01-01), Martinelli
patent: 4665323 (1987-05-01), Russell et al.

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