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.:
Date of Patent:
Jul. 25, 2017
Filed:
Jan. 14, 2015
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Kazuhiro Ohira, Kanagawa, JP;
Masaki Kuwahara, Kanagawa, JP;
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/20 (2006.01); H02K 11/225 (2016.01); H02K 24/00 (2006.01); H02K 37/04 (2006.01);
U.S. Cl.
CPC ...
H02K 11/225 (2016.01); G01D 5/2046 (2013.01); H02K 24/00 (2013.01); H02K 37/04 (2013.01);
Abstract
A resolver device includes a stator core and a rotor core supported so as to be freely rotatable with respect to the stator core and configured such that a reluctance component in a gap between the rotor core and the stator core changes in accordance with a relative angle position to the stator core. The stator core includes stator main poles and stator interpoles.