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:
Dec. 12, 2017
Filed:
Dec. 09, 2013
Swcc Showa Device Technology Co., Ltd., Tokyo, JP;
Shirou Hasegawa, Tokyo, JP;
Masahiro Mori, Tokyo, JP;
Tatsuya Iijima, Tokyo, JP;
Kiyoshi Miura, Tokyo, JP;
Kenji Kamiya, Tokyo, JP;
Masahiro Ichikawa, Kanagawa, JP;
Hiroto Nozaki, Tokyo, JP;
SWCC SHOWA CABLE SYSTEM CO., LTD., Tokyo, JP;
Abstract
Disclosed is a litz wire coil that is configured by spirally winding a litz wire on one plane by a predetermined number of turns. The litz wire is configured by twisting together a plurality of enameled wires formed by baking an insulating film on a conducting body. Pressure shaping is performed such that the litz wire has a substantially rectangular shape in cross section, and the flatness ratio of the litz wire in cross section (long side/short side) is controlled at 1.10 to 1.60, preferably 1.20 to 1.40, more preferably 1.25 to 1.35.