Microwave ovens and methods for cooking primarily baked goods an

Details Microwave ovens and methods for cooking primarily baked goods an Microwave ovens and methods for cooking primarily baked goods an

1987-06-04

1988-09-13

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055M, 99325, H05B 668

Patent

active

047711523

ABSTRACT:
A microwave oven having a cavity for receiving food items to be cooked, primarily baked goods and frozen foods, a magnetron for delivering microwave power to the cavity, and a forced hot air system, including a fan and an electrical resistance heating element which are both disposed in a compartment separated from the cavity by a dividing panel. The oven has a thermistor for monitoring air temperature drawn from the oven cavity after a predetermined time, between four and eight minutes, from the commencement of cooking. Dependent upon the sensed temperature being below or above a predetermined threshold temperature between 130.degree. C. and 140.degree. C., a microprocessor determines a category for the food item being cooked with a corresponding final cooking temperature to be attained for completion of cooking by referring to an internal program that relates to the particular food item to be cooked. The delivery of hot air and magnetron power are terminated when the corresponding final cooking temperature is sensed by the thermistor.

REFERENCES:
patent: 4447693 (1984-05-01), Buck
patent: 4481394 (1984-11-01), Tanabe
patent: 4488026 (1984-12-01), Tanabe
patent: 4508947 (1985-04-01), Eke
patent: 4508948 (1985-04-01), Carlson
patent: 4584448 (1986-04-01), Tanabe
patent: 4661670 (1987-04-01), Eke

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