Microwave oven having automatic bread making function

Details Microwave oven having automatic bread making function Microwave oven having automatic bread making function

1988-11-15

1989-07-04

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055E, 219 1055D, 99443R, 99451, H05B 678

Patent

active

048453277

ABSTRACT:
Disclosed is a microwave heating apparatus which comprises a turntable for reducing the irregularity of heat with the rotation movement of a subject to be heated within a heat chamber, a bread casing used for automatically performing an entire process of kneading raw ingredients, fermentation, gas escape, baking and the like, a first driving shaft made of a metal pipe and provided to drive a kneading blade mounted within the bread casing, and a second driving shaft made of a microwave-permeable dielectric substance provided to drive the turntable, the second shaft being arranged to pierce a hollow portion of the first driving shaft. According to the aforementioned construction, the turntable and the kneading blade can be effectively driven by the respective optimum motors. A choke cavity and a disk shaped conductive plate prevent microwave energy from leaking out of the heat chamber along the respective driving shafts.

REFERENCES:
patent: 4283614 (1981-08-01), Tanaka et al.
patent: 4725703 (1988-02-01), Park
patent: 4751357 (1988-06-01), Boulard
patent: 4773317 (1988-09-01), Wickboldt, Jr.
patent: 4783582 (1988-11-01), Wada et al.

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