Electric heating – Inductive heating – With heat exchange
Patent
1998-06-11
2000-02-22
Walberg, Teresa
Electric heating
Inductive heating
With heat exchange
219497, 99DIG14, H05B 612
Patent
active
060282975
ABSTRACT:
A rice cooker does not cause malfunction if the operation unit is touched by mistake when closing the lid, and is capable of preventing boil-over without lowering the rice cooking performance. The rice cooker includes a main body, a lid for covering the top of the main body, an inner pan detachably accommodated in the main body, a heater for induction heating of the inner pan, a controller for controlling the supply of high frequency power to the heater, an operating unit, and a lid opening and closing detector or a rice gruel detector disposed in a steam tube of the lid. The controller inhibits operation signal input of the operating unit when detecting an open state of the lid, and controls the power supply to the heater when detecting a rise in the rice gruel. Therefore, the rice cooker prevents a wrong input in rice cooking when opening or closing the lid, and prevents boil-over of the rice gruel.
REFERENCES:
patent: 4644137 (1987-02-01), Asahi et al.
patent: 5701805 (1997-12-01), Sa
patent: 5829341 (1998-11-01), Lin
Arihisa Megumi
Hamada Hironori
Koyama Masahiro
Takechi Mitsuru
Matsushita Electric - Industrial Co., Ltd.
Pwu Jeffrey
Walberg Teresa
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