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. 23, 2018

Filed:

Aug. 20, 2015
Applicant:

Denso Corporation, Kariya, Aichi-pref., JP;

Inventor:

Hiroyuki Ikuta, Anjo, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/28 (2006.01); H02K 1/22 (2006.01); H02K 1/27 (2006.01);
U.S. Cl.
CPC ...
H02K 1/28 (2013.01); H02K 1/276 (2013.01);
Abstract

The rotor includes a shaft, and a rotor core that is fitted and fixed to the shaft. The shaft includes a knurled portion on an end side and a small-diameter portion formed in a tip side via a first stepped surface. The rotor core includes a small diameter hole formed in a tip side end portion of the fitting hole press-fitted onto the small diameter portion, a large diameter hole formed in an end side of the small diameter hole via a second stepped surface, and a press-fitting portion press-fitted onto the knurled portion and is formed on an end side end portion of the large diameter hole. A space part is disposed between the first stepped surface and the second stepped surface.


Find Patent Forward Citations

Loading…