Electric heating – Metal heating – Of cylinders
Patent
1992-03-12
1993-10-05
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219482, 307 43, 307 72, H05B 668
Patent
active
052507750
ABSTRACT:
An electric cooking apparatus includes a single power converter section for converting power supplied from an external AC power source. A heating-energy radiator section receives the converted power from the power converter section and radiates heating energy to a heating chamber. A battery is also provided for supplying power to the power converter section such that a sum of the power from the external AC power source and the battery is converted by the power converting section when an instantaneous voltage of the external AC power source is smaller than a predetermined voltage level, which predetermined voltage level is smaller than a maximum instantaneous voltage of the external AC power source.
REFERENCES:
patent: 4312078 (1982-02-01), Mack et al.
patent: 4667075 (1987-05-01), Sakurai
patent: 4697424 (1987-10-01), Dickerson et al.
patent: 4904837 (1990-02-01), Low et al.
patent: 4977301 (1990-12-01), Maehara et al.
Bessyo Daisuke
Kiritoshi Susumu
Kusunoki Shigeru
Maehara Naoyoshi
Matsumoto Takahiro
Leung Philip H.
Matsushita Electric - Industrial Co., Ltd.
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