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:
Mar. 21, 2017

Filed:

Sep. 27, 2012
Applicants:

Keiji Hino, Tokyo, JP;

Kazuhisa Takashima, Tokyo, JP;

Atsushi Ichigozaki, Tokyo, JP;

Katsuhiko Sakamoto, Tokyo, JP;

Inventors:

Keiji Hino, Tokyo, JP;

Kazuhisa Takashima, Tokyo, JP;

Atsushi Ichigozaki, Tokyo, JP;

Katsuhiko Sakamoto, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/34 (2006.01); H02K 3/32 (2006.01); H02K 3/52 (2006.01);
U.S. Cl.
CPC ...
H02K 3/345 (2013.01); H02K 3/325 (2013.01); H02K 3/522 (2013.01); H02K 2203/12 (2013.01);
Abstract

An electrical machine includes a back-yoke engagement portion including a convex portion for a back yoke portion formed on an outer-diameter surface of a pair of back yoke-side coil retaining pieces and a shoe engagement portion including a convex portion for a shoe portion. By the convex portion for the back yoke portion and the convex portion for the shoe portion, the back yoke-side coil retaining pieces and shoe-side coil retaining pieces are biased toward a stator core.


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