Sensor malfunction prevention apparatus for microwave oven

Details Sensor malfunction prevention apparatus for microwave oven Sensor malfunction prevention apparatus for microwave oven

1996-01-05

1997-12-02

Leung, Philip H.

Electric heating

Microwave heating

With control system

219707, 219757, H05B 668

Patent

active

056932480

ABSTRACT:
An improved sensor malfunction prevention apparatus for a microwave oven capable of preventing a malfunction and an infrared ray sensor from being polluted by dusts, food debris or the like from a cooking chamber, which includes a cooling fan; an air duct for guiding cooling air introduced into the interior of the microwave oven in cooperation with the cooling fan; a sensor support bracket disposed at a predetermined inner portion of the air duct; a sensor disposed at a predetermined potion of the sensor support bracket; a protective cover support disposed at the upper portion of the sensor support bracket for defining air openings between the protective cover and the sensor support bracket; and a protective cover fixed to the protective cover support.

REFERENCES:
patent: 4131779 (1978-12-01), Tatsukawa et al.
patent: 5015812 (1991-05-01), Kasai et al.

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