Heater control circuit

Details Heater control circuit Heater control circuit

1992-05-21

1994-09-13

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219507, H05B 368, H05B 302

Patent

active

053471040

ABSTRACT:
A heater control circuit is provided to control the heating condition of a cooking oven by means of a triac. In the heater control circuit, an electrical heater is incorporated. The heater further has a switch which is electrically connected in series with the heater so as to actuate and deactuate the heater in combination with on-off operation of the switch. A control relay is electrically connected in series with the triac and the heater to be actuated and deactuated in association with on-off operation of the switch so as to break an electrically conductive path through the triac.

REFERENCES:
patent: 3355574 (1967-11-01), Bassett
patent: 4025883 (1977-05-01), Slade
patent: 4237368 (1980-12-01), Welch
patent: 4447710 (1984-05-01), McWilliams
patent: 4493980 (1985-01-01), Payne
patent: 4551616 (1985-11-01), Buttery
patent: 4634843 (1987-01-01), Payne
patent: 4692596 (1987-09-01), Payne
patent: 4758710 (1988-07-01), Crossley
patent: 4788398 (1988-11-01), Hornung
patent: 4788415 (1988-11-01), Whipple

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