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:
Dec. 30, 2025
Filed:
Oct. 22, 2021
Applicant:
Nidec Motor Corporation, St. Louis, MO (US);
Inventors:
Liming Zhou, Chesterfield, MO (US);
Mark E. Carrier, Wildwood, MO (US);
Christopher D. Schock, Lake Saint Louis, MO (US);
Assignee:
Nidec Motor Corporation, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/245 (2006.01); H02K 1/276 (2022.01); H02K 1/2793 (2022.01); H02K 11/215 (2016.01);
U.S. Cl.
CPC ...
H02K 1/2793 (2013.01); G01D 5/2454 (2013.01); H02K 1/2773 (2013.01); H02K 11/215 (2016.01);
Abstract
An electric motor including a rotor defining an axis of rotation and an encoder. The encoder includes a magnetic composite part attached to the rotor, and a magnetic flux sensor positioned to detect magnetic flux resulting from movement of the magnetic composite part with rotation of the rotor.