H - Electricity – 05 – B
Patent
H - Electricity
05
B
327/1.7
H05B 11/00 (2006.01) H05B 6/72 (2006.01) H05B 6/80 (2006.01)
Patent
CA 1130395
ABSTRACT OF THE DISCLOSURE A heating appliance such as a stove which has a high frequency and resistance heater therein. A high frequency oscillator supplies frequency radiation energy through a wave- guide extending to a port in the heating chamber, and a rotary antenna extends through the port for directing the high frequency energy into the heating chamber. A motor rotates the antenna, a heater of a type other than a high frequency heater, such as a resistance heater, is the heating chamber substantially para- llel with the wall of the heating chamber in which the port is positioned. The rotary antenna has substantially an L shape with a longitudinal section extending from the waveguide into the chamber through the port, the portions of the longitudinal section within the heating chamber from the wall in which the port is positioned to the inner end thereof having a length substantially equal to one quarter the wavelength of the high frequency energy, and a lateral section connected to the longi- tudinal section at a point intermediate the length thereof within the chamber at a point between the wall of said chamber and the resistance heater.
348471
Ikeda Nobuo
Yoshimura Hiofumi
Fetherstonhaugh & Co.
Matsushita Electric Industrial Co. Ltd.
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