Dual path air circulation system for microwave ovens

Details Dual path air circulation system for microwave ovens Dual path air circulation system for microwave ovens

1987-05-12

1988-05-10

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055E, 219400, 126 21A, H05B 664

Patent

active

047437286

ABSTRACT:
A microwave cooking apparatus includes a cooking chamber and a reflecting chamber disposed on the cooking chamber. The reflecting chamber is provided with a rotatable reflector for reflecting microwaves from a magnetron. The cooking apparatus further includes a fan device for producing cooling air, and a duct device directing a portion of the air to the reflecting chamber for rotating the reflector, and by-passing the reflecting chamber and directing a portion of the air to the cooking chamber for ventilating the cooking chamber. This construction may provide sufficient air to the reflecting chamber and the cooking chamber.

REFERENCES:
patent: 4296297 (1981-10-01), Miller
patent: 4369347 (1983-01-01), Shin
patent: 4556772 (1985-12-01), McCammon et al.
patent: 4618756 (1986-10-01), Schwaderer et al.

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