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. 29, 2021

Filed:

Jun. 28, 2018
Applicants:

Yazaki Corporation, Tokyo, JP;

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Hayato Iizuka, Kakegawa, JP;

Kazuma Kayo, Kakegawa, JP;

Hiroshi Aihara, Toyota, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 17/04 (2006.01); H01F 27/33 (2006.01); H02P 29/50 (2016.01); H01F 27/26 (2006.01); H01F 27/29 (2006.01); H01F 27/02 (2006.01); H03H 7/42 (2006.01); H03H 1/00 (2006.01); B60R 16/02 (2006.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
H01F 27/33 (2013.01); B60R 16/0207 (2013.01); H01F 17/04 (2013.01); H01F 27/022 (2013.01); H01F 27/263 (2013.01); H01F 27/2852 (2013.01); H01F 27/29 (2013.01); H02P 29/50 (2016.02); H03H 1/00 (2013.01); H03H 7/427 (2013.01); H03H 2001/005 (2013.01); H03H 2001/0092 (2013.01);
Abstract

A noise filter () is equipped with a plurality of conductors () having respective winding portions () and a ring-shaped core () which is inserted through the winding portions of the a plurality of conductors and made of a magnetic material. The ring-shaped core is composed of a pair of divisional cores () and () which are combined together by joining each pair of joining surfaces () and (), located at each end, of the pair of divisional cores and. The one divisional core is straight and is inserted through the winding portions of the a plurality of conductors. The other divisional core has partition walls () each of which is located between adjacent ones of the a plurality of conductors, projects toward the one divisional core, and serves to form a magnetic path between the partition wall and the one divisional core.


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