Heat cooking apparatus with temperature operating system

Details Heat cooking apparatus with temperature operating system Heat cooking apparatus with temperature operating system

1984-04-06

1985-11-05

Envall, Jr., Roy N.

Electric heating

Metal heating

Of cylinders

219 1055M, 219490, 219492, H05B 906

Patent

active

045516014

ABSTRACT:
A heat cooking apparatus with a temperature operating system, wherein a microcomputer detects an abnormality of a temperature sensor and de-energizes the cooking apparatus to stop cooking while also producing a sensor fault pulse signal. Upon counting of a predetermined number of sensor fault pulse signals in a counter, the microcomputer generates a sensor defect signal to alert the user of the defective temperature sensor. Spurious fault conditions are ignored by resetting the counter upon proper operation of the sensor before reaching the predetermined number of sensor fault pulse signals.

REFERENCES:
patent: 4343990 (1982-08-01), Ueda
patent: 4347418 (1982-08-01), Nobue et al.
patent: 4383157 (1983-05-01), Nakata et al.
patent: 4415887 (1983-11-01), Kawase

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