F - Mech Eng,Light,Heat,Weapons – 24 – C
Patent
F - Mech Eng,Light,Heat,Weapons
24
C
327/2.21
F24C 7/02 (2006.01) H05B 6/72 (2006.01) H05B 6/80 (2006.01)
Patent
CA 1194558
ABSTRACT OF THE DISCLOSURE A high-frequency heating apparatus in which a waveguide having a rectangular terminating opening a x b is coupled with a heating chamber perpendicularly at the bottom wall thereby. The waveguide is excited in a TE0, n mode (n is any positive integer), and a turntable of dielectric material having a rotating center is located on a bisector between the crest (loop) and the valley (node) of this mode. A horizontal electric field is generated along the upper surface of the turntable, thereby strongly heating the center of the bottom surface of an article to be heated and improving the uniformity in heating of the article.
418244
Marks & Clerk
Matsushita Electric Industrial Co. Ltd.
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