Noise shielding apparatus for magnetron of microwave oven

Details Noise shielding apparatus for magnetron of microwave oven Noise shielding apparatus for magnetron of microwave oven

1994-09-16

1995-10-03

Leung, Philip H.

Electric heating

Microwave heating

With specific generator

219738, 361302, 315 3951, H05B 664, H01G 442

Patent

active

054554055

ABSTRACT:
A noise shielding apparatus for the magnetron of a microwave oven is disclosed, in which the structure is relatively simple, so that the material cost would be saved, and that the productivity would be improved. An elliptic opening is formed on a side wall of a shielding case for installing a capacitor. The circumference of the opening is bent to form a projected portion for attaching a capacitor, and a recess is formed on the reverse side of the projected portion. Further, reinforcing ribs are formed around the projected portion of the shielding case. In the present invention, attaching a conventional separate ground fitment is unnecessary, so that the productivity would be improved. Further, since the holes for fastening the ground fitment are not required, the noise is not leaked through the holes.

REFERENCES:
patent: 4370698 (1983-01-01), Sasaki
patent: 4811161 (1989-03-01), Sasaki et al.
patent: 4814938 (1989-03-01), Arakawa et al.
patent: 5142436 (1992-08-01), Lee et al.
patent: 5206786 (1993-04-01), Lee
patent: 5313139 (1994-05-01), Yoon

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