HIGH-FREQUENCY HEATING DEVICE AND ITS DUCT

摘要

PROBLEM TO BE SOLVED: To provide a high-frequency heating device capable of making a stable drive. SOLUTION: A waveguide tube 45 is installed between a magnetron 10 and a heating chamber 50, and the tube 45 is equipped internally with a stirrer 46 which rotates to stir the microwaves emitted by the magnetron 10 and supplies to the heating chamber 50. The wind sent by a fan 42 is led into the waveguide tube 45. That is, the stirrer 46 rotates with the wind sent by the fan 42. A partitioning plate 43 is installed in a duct 47 to avoid such an occurence that the wind in its wind path 47b flows into the waveguide tube 45 to hinder the rotating motion of the stirrer 46.