Microwave heating apparatus having magnetic coupling for driving

Details Microwave heating apparatus having magnetic coupling for driving Microwave heating apparatus having magnetic coupling for driving

1980-09-05

1982-04-13

Reynolds, B. A.

Electric heating

Metal heating

Of cylinders

H05B 672

Patent

active

043249671

ABSTRACT:
A microwave heating apparatus with a heating chamber, a high frequency oscillator, and a wave guide between the oscillator and the chamber has a rotatable antenna coupling the wave guide with the heating chamber for distributing high frequency radiation in the chamber. The rotatable antenna has an inner end extending into the wave guide and which is rotatably mounted therein, a first magnet is provided in the inner end of the rotatable antenna, and an antenna drive motor located outside the wave guide has a second magnet in spaced opposed relation to the first magnet and forming a magnetic coupling therewith.

REFERENCES:
patent: 2520602 (1950-08-01), Linder
patent: 3643055 (1972-02-01), Suzuki et al.
patent: 4092512 (1978-05-01), Suzuki et al.

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