Sealing arrangement for microwave ovens

Details Sealing arrangement for microwave ovens Sealing arrangement for microwave ovens

1984-03-12

1987-02-24

Goldberg, E. A.

Electric heating

Metal heating

Of cylinders

219 1055F, H05B 664

Patent

active

046458921

ABSTRACT:
A sealing arrangement for microwave ovens, comprising an attenuation choke (20) extending around an access opening to an oven cavity and arranged either in the cavity wall portion surrounding the access opening or in the rim portions of a door (19) closing the opening. The choke (20) has a generally G-shaped profile, the horizontal inner leg of the G forming a partition wall (23) in the choke. The partition wall (23) on one side bounds an entrance opening (26) to the choke and on the other side is contiguous with a wall forming a short-circuiting wall (24) and at the same time bounds an outer portions of the gap between the door and the cavity walls. Either the partition wall (23), or the short-circuiting wall (24), or both, are provided with slots (25) extending transversely to the circumference of the door (19) or access opening.

REFERENCES:
patent: 3767884 (1973-10-01), Osepchuk et al.
patent: 4313044 (1982-01-01), Staats
patent: 4475023 (1984-10-01), Iwabuchi et al.

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