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:
Sep. 06, 2022

Filed:

Jul. 27, 2018
Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Masanori Yoshikawa, Kyoto, JP;

Yusaku Yoshida, Kyoto, JP;

Hideo Fujiwara, Kyoto, JP;

Takashi Seguchi, Kyoto, JP;

Kosuke Ogawa, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JM;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 3/52 (2006.01); H02K 21/16 (2006.01); B62D 5/06 (2006.01);
U.S. Cl.
CPC ...
H02K 3/522 (2013.01); H02K 21/16 (2013.01); B62D 5/064 (2013.01); H02K 2203/09 (2013.01);
Abstract

A bus-bar unit includes bus-bars and a bus-bar holder supporting the bus-bars. The bus-bar includes a first and a second bus-bar piece, including a plate. The first bus-bar piece includes a coil wire connecting portion connected to a coil wire drawn from a stator, and a first junction terminal joined to the second bus-bar piece. The second bus-bar piece includes an external connection terminal connected to an external device, a second junction terminal joined to the first bus-bar piece, and a second piece main body connecting them. The second piece main body has a first extension extending from the external connection terminal along a direction perpendicular or substantially perpendicular to the axial direction, a second extension extending from the second junction terminal along a direction perpendicular or substantially perpendicular to the axial direction, and a crank portion located between them and bent in a crank shape in a plate thickness direction.


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