Heating element operating unit, control device therefor and meth

Details Heating element operating unit, control device therefor and meth Heating element operating unit, control device therefor and meth

1992-01-28

1993-09-28

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Igniting systems

For incandescent ignition

323322, F23Q 700, F23Q 1302

Patent

active

052490963

ABSTRACT:
A heating element operating unit, control device therefor and methods of making the same are provided, the control device being adapted to operate a heating element that comprises a hot surface igniter with a certain repeating pattern of a single complete half-wave pulse in each repeating pattern of at least two complete full-wave pulses of a source of high voltage alternating current for a predetermined time period, the control device utilizing a staircase generator of two transistors for operating the heating element.

REFERENCES:
patent: 4239986 (1980-12-01), Dobkin
patent: 4711628 (1987-12-01), Geary
patent: 4809128 (1989-02-01), Geary
patent: 4856983 (1989-08-01), Geary
patent: 4976605 (1990-12-01), Geary

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