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:
Jun. 17, 2025

Filed:

Jun. 23, 2020
Applicant:

Sht Corporation Limited, Izumisano, JP;

Inventors:

Yuichi Imazato, Izumisano, JP;

Kazuhiro Kasatani, Izumisano, JP;

Kazusa Mori, Izumisano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/24 (2006.01); H01F 3/14 (2006.01); H01F 27/00 (2006.01); H01F 27/245 (2006.01); H01F 27/26 (2006.01); H01F 27/28 (2006.01); H01F 27/34 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 27/346 (2013.01); H01F 3/14 (2013.01); H01F 27/008 (2013.01); H01F 27/245 (2013.01); H01F 27/263 (2013.01); H01F 41/0233 (2013.01);
Abstract

The present invention provides a current transformer having excellent temperature characteristics and realizing high-precision adjustment of the output voltage via gap adjustment and small tolerance, and a method for manufacturing the same. The core component for current transformers of the present invention, comprises an E-type coreformed of an electromagnetic steel sheet and having three legsextending substantially parallel to each other and a connecting partconnected at each end of the legs, and an I-type coreformed of an electromagnetic steel sheet and having the same length as the connecting portion, the I-type core being placed on and bonded to the connecting part of the E-type core to form a single-piece core component.


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