Electric heating – Microwave heating – Field modification
Patent
1993-05-21
1994-12-06
Leung, Philip H.
Electric heating
Microwave heating
Field modification
219751, 219764, H05B 674
Patent
active
053713435
ABSTRACT:
There is disclosed a heating cooking device including a heating chamber for heating an object to be heated, a high-frequency oscillator for generating high-frequency electromagnetic waves, a wave guide for guiding the high-frequency electromagnetic waves from the high-frequency oscillator to the heating chamber, a rotary table for supporting thereon the object to be heated for rotation therewith, and a wave stirrer fan for stirring the electromagnetic waves in the heating chamber. A feeder port of the wave guide is disposed at a side of the heating chamber, and the wave stirrer fan is disposed within the wave guide in opposed relation to the feeder port. The high-frequency oscillator is disposed on the side of the feeder port. The feeder port is larger in size than the wave stirrer fan.
REFERENCES:
patent: 2920174 (1960-01-01), Haagensen
patent: 3789179 (1974-01-01), Haagensen
patent: 3884213 (1975-05-01), Smith
patent: 4133997 (1979-01-01), Thuleen
patent: 4363957 (1982-12-01), Tachikawa et al.
patent: 4765066 (1988-08-01), Yoon
patent: 5177333 (1993-01-01), Ogasawara
patent: 5237139 (1993-08-01), Berg et al.
Akiyoshi Mitsuo
Hatagawa Toyotsugu
Hayakawa Yuji
Yoshimura Hirofumi
Leung Philip H.
Matsushita Electric - Industrial Co., Ltd.
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