Device for protecting turntable shaft of microwave oven

Details Device for protecting turntable shaft of microwave oven Device for protecting turntable shaft of microwave oven

H - Electricity

05

B

327/2

H05B 6/78 (2006.01) H05B 6/80 (2006.01)

Patent

CA 1290405

ABSTRACT OF THE DISCLOSURE A device for protecting the turntable shaft of a micro- wave oven, to prevent the turntable shaft composed of resinous material from fusing during the operation of the microwave oven. A protective plate is formed on the lower surface of the turntable in such a manner that there is formed a supplementary cavity in which the impedance is maximum at the inlet, and a choke cavity in which the impedance is minimum at the inlet. The concentrate of the microwave energy around the shaft, is eliminated by provid- ing a range of dimensions of both the cavities based on the characteristics of the microwaves.

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