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.

Date of Patent:
Aug. 27, 2019

Filed:

May. 01, 2017
Applicant:

Fuji Electric Co., Ltd., Kawasaki-shi, Kanagawa, JP;

Inventors:

Qichen Wang, Hino, JP;

Satoru Fujita, Tachikawa, JP;

Takashi Kuwabara, Hino, JP;

Nobuyuki Tawada, Yokkaichi, JP;

Assignee:

FUJI ELECTRIC CO., LTD., Kawasaki-Shi, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 5/02 (2006.01); H01F 27/29 (2006.01); H05K 1/18 (2006.01); H01F 27/28 (2006.01); H01F 27/32 (2006.01); H05K 3/30 (2006.01);
U.S. Cl.
CPC ...
H05K 1/18 (2013.01); H01F 27/28 (2013.01); H01F 27/29 (2013.01); H01F 27/325 (2013.01); H05K 3/306 (2013.01); H05K 2201/1003 (2013.01); H05K 2201/10818 (2013.01);
Abstract

A transformer is configured to include a pair of cores and 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 and are inserted, and a secondary winding that has a hollow into which the inner legs of the cores and 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 and. The bobbin has bobbin support portions that come into contact with a surface of a printed circuit board on which the transformer is implemented.


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