Microwave oven

Details Microwave oven Microwave oven

1979-07-09

1981-12-01

Grimley, Arthur T.

Electric heating

Metal heating

Of cylinders

219 1055F, H05B 676

Patent

active

043038174

ABSTRACT:
Microwave oven having an oven muffle connected to a high frequency oscillator and a rotatable shaft brought through an opening in a metallic muffle wall with clearance. To prevent microwave energy which is brought into the cooking chamber or muffle from a high frequency generator from getting to the outside through the opening in the muffle wall, i.e. through the clearance, a microwave seal is provided comprising a metallic disc spaced a short distance from and parallel to the muffle wall to form a gap-like microwave transmission line and an annular slot-like microwave pocket adjacent the transmission line with the opening of the pocket next to the opening in the muffle wall.

REFERENCES:
patent: 4053730 (1977-10-01), Baron et al.
patent: 4137442 (1979-01-01), Tateda
patent: 4191877 (1980-03-01), Tanaka et al.
patent: 4211909 (1980-07-01), Yoshida et al.

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