Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1982-04-19
1984-07-03
Paschall, M. H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219516, 219413, 219494, H05B 102
Patent
active
044581408
ABSTRACT:
An oven for cooking and/or defrosting food by recirculating heated air is provided with a temperature control means for measuring the actual internal temperature of the food and switching the oven off when the desired temperature is reached. The control includes a temperature sensing device which is insertable into the food for monitoring the actual internal food temperature and a circuit for monitoring the malfunctioning of the sensing device. The monitoring circuit is incorporated into the temperature control and is capable of switching the oven off when a malfunction is detected. The control circuit is also provided with a bypass circuit to allow the oven to be operated without the temperature sensor.
REFERENCES:
patent: 3548155 (1970-12-01), Rabindran
patent: 3946200 (1976-03-01), Juodikis
patent: 4029937 (1977-06-01), Russell
patent: 4091266 (1978-05-01), Ito et al.
patent: 4217477 (1980-08-01), Matsubara et al.
Kidde Consumer Durables Corp.
Paschall M. H.
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