Electric heating – Metal heating – Of cylinders
Patent
1991-09-11
1993-12-07
Reynolds, Bruce A.
Electric heating
Metal heating
Of cylinders
219 1055R, 219 1055C, 219 1055D, 363 21, 363 56, 363 97, H05B 668
Patent
active
052685470
ABSTRACT:
A high frequency heating apparatus includes a unitary structure including a magnetron for generating a microwaves, an inverter power supply for supplying a high voltage electric power to the magnetron, and a cooling unit for cooling the magnetron and the inverter power supply, all of which are accommodated within a common metallic casing. The unitary structure is provided at least one of a detector for detecting an operating condition of the cooling unit and a safety device including a detector for detecting a mounting of the metallic casing to a cabinet. For avoiding an electric shock, the unitary structure is divided into high and low voltage portions and the magnetron and the inverter power supply are electrically connected directly to each other without relying on the unitary structure so as to thereby accomplish a structure effective to minimize noise and to improve the reliability and the safety factor.
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Bessyo Daisuke
Maehara Naoyoshi
Matsumoto Takahiro
Nakabayashi Yuji
Hoang Tu
Matsushita Electric - Industrial Co., Ltd.
Reynolds Bruce A.
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