HIGH-FREQUENCY HEATING DEVICE

PURPOSE:To obtain an enough wave sealing effect by specifying the intervals of slits in a wave sealing device for an oscillating high-frequency wavelength. CONSTITUTION:The optimum value of intervals of slits 10 in a choke construction as a wave sealing device is taken at lambda/3.7 to lambda/3.8, p...

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Bibliographic Details
Main Authors INAI TORU, HOSHINO HIROTSUGU
Format Patent
LanguageEnglish
Published 14.01.1992
Subjects
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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Summary:PURPOSE:To obtain an enough wave sealing effect by specifying the intervals of slits in a wave sealing device for an oscillating high-frequency wavelength. CONSTITUTION:The optimum value of intervals of slits 10 in a choke construction as a wave sealing device is taken at lambda/3.7 to lambda/3.8, provided that the oscillation high-frequency wavelength of a high-frequency heater is 1. A wave sealing effect can be improved even for leakage wave in other than the lengthwise orthogonal directions of the periphery of a door 4 by determining the optimum value (lambda/3.7 to lambda/3.8) as aforementioned for slit intervals in the choke construction as a wave sealing method. Also, particularly effective wave sealing can be attained at the corners of the door 4.
Bibliography:Application Number: JP19900108760