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.

Patent No.:

US 8963387 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 24, 2015

Filed:

Jun. 28, 2010
Applicants:

Hideaki Yasuda, Chita-gun, JP;

Yasuyuki Satake, Nagoya, JP;

Inventors:

Hideaki Yasuda, Chita-gun, JP;

Yasuyuki Satake, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/28 (2006.01); H02K 15/02 (2006.01); H02K 11/00 (2006.01); H02K 24/00 (2006.01);
U.S. Cl.
CPC ...
H02K 1/28 (2013.01); H02K 11/0031 (2013.01); H02K 15/028 (2013.01); H02K 24/00 (2013.01);
Abstract

A motor rotor and a method for manufacturing a motor rotor, enabling crimping of the resolver rotor at low cost with less influence on the detection accuracy. A motor rotor includes a resolver rotor and a rotor shaft to which the resolver rotor is affixed by crimping. The rotor shaft includes a first stepped section with which a crimping punch makes contact to deform the first stepped section, a second stepped section with which an end surface of the resolver rotor makes contact, and a cutout groove formed in a surface which is located near the first stepped section and with which an inner peripheral hole section of the resolver rotor makes contact. In the crimping operation, the first stepped section of the rotor shaft is bent within the cutout groove to form a crimping protrusion which presses the end surface of the resolver rotor.


Find Patent Forward Citations

Yasuda, Hideaki. (2015). Motor rotor including a resolver rotor for detecting rotation position (U.S. Patent No. 8963387). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8963387

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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