H - Electricity
05
B
327/1.7
H05B 11/00 (2006.01) A21B 2/00 (2006.01) F24C 7/02 (2006.01) H05B 6/80 (2006.01)
Patent
CA 1053335
INVENTORS: JAKOB H. B?CHTOLD and MARTIN DAHMEN INVENTION: OVEN ABSTRACT OF THE DISCLOSURE An oven or cooking appliance having a baking or oven compartment which can be heated by circulating air and can be furnished with microwaves by means of a microwave generator. At the underside of the microwave generator, in spaced rela- tionship from the ceiling of the oven compartment, there is provided a heat shield or screen. A waveguide which is leak- proof for microwaves and substantially hermetically sealed against the oven compartment but permeable to microwaves in the direction of the oven compartment, is provided with air permeable walls. Blower means feed cooling air between the heat shield and the ceiling of the oven compartment and through the waveguide.
264323
Bachtold Jakob H.
Dahmen Martin
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