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:
Jan. 13, 2026

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 38/30 (2006.01); H01F 27/02 (2006.01); H01F 27/26 (2006.01); H01F 27/28 (2006.01); H01F 27/32 (2006.01);
U.S. Cl.
CPC ...
H01F 38/30 (2013.01); H01F 27/02 (2013.01); H01F 27/266 (2013.01); H01F 27/28 (2013.01); H01F 27/32 (2013.01);
Abstract

The present invention provides a current transformer module that can achieve downsizing and keeping the creepage distance of insulation simultaneously. The current transformer moduleaccording to the present invention comprises a current transformerand a casingfor housing the current transformer, wherein the current transformer includes a resin-made bobbinwith a through hollow sectionand a corehaving legsinserted at least into the hollow section, the bobbin having a primary coiland a wire-wound secondary coilon the outer periphery of the hollow section, wherein the bobbin has insulation wallsbetween the primary coil and the secondary coil wherein the insulation wall has recesses, and wherein the casing are provided with protrusionsadapted to fit into the recesses.


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