The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 1984
Filed:
Apr. 12, 1982
Nobuo Ikeda, Nara, JP;
Hirofumi Yoshimura, Nara, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A high frequency heating appliance which includes a magnetron, which is used as a high frequency oscillator, and which is directly mounted in a heating chamber and which further includes a stirrer fan for ensuring a uniform electric field distribution of high frequency electromagnetic radiation in the chamber; the fan is mounted coaxially with an antenna for the magnetron; the stirrer fan is provided with a vertical metallic segment for high frequency impedance matching and the vertical metallic segment has a horizontal metallic subsegment located on its end which is oriented so as to be substantially at right angles with the vertical metallic segment for providing a sufficient capacitive coupling between the wall of the heating chamber and the horizontal metallic subsegment with an adequate gap being secured from the heating chamber wall supporting the magnetron. The above-noted construction ensures an improved efficiency and improved distribution of the high frequency output of the magnetron.