Microwave oven having arcuate concave portions in a cavity for d

Details Microwave oven having arcuate concave portions in a cavity for d Microwave oven having arcuate concave portions in a cavity for d

1998-04-20

1999-07-06

Walberg, Teresa

Electric heating

Microwave heating

Field modification

219728, H05B 674

Patent

active

059193913

ABSTRACT:
A microwave oven which can uniformly distribute a microwave in a cooking cavity. The oven has a cabinet having a cooking cavity and a control chamber separated from the cooking cavity, a door installed at a front of the cooking cavity, a magnetron installed at the control chamber for generating a microwave, and a wave guide for guiding the microwave generated by the magnetron into the cooking cavity. The cooking cavity is defined by an upper wall, a bottom wall, a first side wall at which the wave guide is attached, a second side wall positioned opposite to the first side wall, the door, and a third side wall positioned opposite to the door. The first side wall is formed with a microwave outlet. The second and third side walls are formed with at least one arcuate concave portion for distributing the microwave. The oven uniformly penetrates the microwave into foodstuffs in vertical and horizontal directions, thereby effectively heating the foodstuffs.

REFERENCES:
patent: 3661260 (1972-05-01), Bremer et al.
patent: 4771155 (1988-09-01), Yangas et al.
patent: 4937418 (1990-06-01), Boulard
patent: 5698128 (1997-12-01), Sakai et al.

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