Electric heating – Metal heating – Of cylinders
Patent
1990-06-19
1991-06-18
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219 1055D, 336 84C, 174 35R, 361424, H05B 676, H01F 1504
Patent
active
050254898
ABSTRACT:
A stationary induction apparatus for supplying and receiving high frequency power of several tens KHz, wherein a partition wall made of a non-magnetic metallic foil in a thickness less than 1/10 the depth of penetration in the using freqency for electromagnetic induction is provided so as to separate the supply side (primary side) from the receiver side (secondary side), so that the stationary induction apparatus is not hurt in its function as an induction apparatus, but can electromagnetically shield the primary side from the secondary side, and the secondary side of the boosting transformer of the magnetron is able to be placed within the shield casing, thus realizing a light, compact and inexpensive microwave generating device for use in an electronic oven.
REFERENCES:
patent: 946193 (1910-01-01), Bachelet
patent: 1320980 (1919-11-01), Bowman
patent: 1651972 (1927-12-01), Hughes
patent: 2512737 (1950-06-01), Carlson
patent: 3851287 (1974-11-01), Miller et al.
patent: 4089049 (1978-05-01), Suzuki et al.
patent: 4156829 (1979-05-01), Harada
patent: 4308512 (1981-12-01), Capecchiacci et al.
patent: 4660014 (1987-04-01), Wenaas et al.
Leung Philip H.
Matsushita Electric - Industrial Co., Ltd.
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