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:
Aug. 13, 2019
Filed:
May. 01, 2017
Applicant:
Fuji Electric Co., Ltd., Kawasaki-shi, Kanagawa, JP;
Inventors:
Assignee:
FUJI ELECTRIC CO., LTD., Kawasaki-Shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 5/02 (2006.01); H01F 27/32 (2006.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
H01F 27/325 (2013.01); H01F 27/2823 (2013.01); H01F 27/327 (2013.01);
Abstract
A transformer is configured to include a pair of cores that each have an inner leg, wherein a primary winding that is wound around a bobbin having a hollow into which the inner legs of the cores are inserted and that is hermetically sealed with resin material, and a secondary winding that has a hollow into which the inner legs of the cores are inserted and that is constituted of a conductor formed by die-cutting a metal plate into a ring are dispersedly arranged over the inner legs of the cores.