Microwave oven construction having separate component receiving

Details Microwave oven construction having separate component receiving Microwave oven construction having separate component receiving

1983-10-14

1985-10-22

Envall, Jr., Roy N.

Electric heating

Metal heating

Of cylinders

219 1055B, 219 1055F, H05B 606

Patent

active

045490546

ABSTRACT:
An oven structure having an outer case and an inner case disposed within the outer case, both cases being substantially box-like in shape. The inner case positioned at a prescribed distance from an inner surface of the outer case, and defines a heating chamber for receiving foodstuffs to be cooked. A heat shielding plate is disposed inside of the outer case and oriented so as to oppose to a rear plate of the inner case with a prescribed interval therebetween. The shielding plate divides the space between the inner and outer cases into a first receiving chamber located at the side of a rear wall of the outer case and a second receiving chamber located at the side of the inner case. Heating elements are provided in the heating chamber. Each heating element has a heat generating portion located with in the heating chamber, and a pair of connecting portions attached to the rear plate. Each connecting portion extends into the first receiving chamber through the rear plate and shielding plate. In the first receiving chamber, a high frequency oscillator is provided for radiating high frequency energy into the heating chamber is disposed. In the second receiving chamber, there is provided a controlling device for controlling the operations of the heaters and the high frequency oscillator.

REFERENCES:
patent: 2860026 (1958-11-01), Long

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