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:
Sep. 14, 1976
Filed:
Aug. 22, 1974
Masahiro Hibino, Amagasaki, JA;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JA;
Abstract
An exciter for an induction heating apparatus comprises a central magnetic pole and a plurality of peripheral magnetic poles, a yoke for connecting the magnetic poles and excitation windings wound on the magnetic poles, wherein the first excitation circuit is formed by the excitation winding wound on the central magnetic pole and the second excitation circuit is formed by the excitation windings wound on the peripheral magnetic poles and such are excited by an excitation current having a phase difference of between 70.degree. and 110.degree..
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