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. 08, 2023

Filed:

Aug. 22, 2018
Applicant:

Sumitomo Electric Industries, Ltd., Osaka, JP;

Inventors:

Xiaoguang Zheng, Osaka, JP;

Kazushi Kusawake, Osaka, JP;

Masayoshi Hirota, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H01F 27/26 (2006.01); H01F 30/12 (2006.01);
U.S. Cl.
CPC ...
H01F 27/26 (2013.01); H01F 27/28 (2013.01); H01F 30/12 (2013.01);
Abstract

A coil component used for two-phase transformer coupling includes: a first coil and a second coil; and a magnetic core at which the first coil and the second coil are provided. The magnetic core includes: a first magnetic leg at which the first coil is provided; a second magnetic leg at which the second coil is provided; a central leg portion interposed between the first magnetic leg and the second magnetic leg; a pair of connection portions connecting the first magnetic leg, the central leg portion, and the second magnetic leg in parallel; a main gap interposed in the central leg portion; a first gap interposed in the first magnetic leg; and a second gap interposed in the second magnetic leg. A coupling coefficient between the first coil and the second coil is not less than 0.7.


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