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:
Oct. 17, 2023
Filed:
Jun. 24, 2019
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/01 (2016.01); H02K 11/215 (2016.01); F16H 57/02 (2012.01); G01D 5/14 (2006.01); H02K 7/06 (2006.01); F16H 25/22 (2006.01); F16H 25/20 (2006.01);
U.S. Cl.
CPC ...
H02K 11/0141 (2020.08); F16H 57/02 (2013.01); G01D 5/145 (2013.01); H02K 7/06 (2013.01); H02K 11/215 (2016.01); F16H 25/2204 (2013.01); F16H 2025/2031 (2013.01); F16H 2025/2081 (2013.01); F16H 2057/02034 (2013.01); F16H 2057/02082 (2013.01);
Abstract
An electric actuatorincludes a motorand a motion conversion mechanismthat converts a rotary motion generated by driving the motorinto a predetermined motion. A magnetas a sensor target is disposed on a movable part performing a predetermined motion, and magnetic sensorsdetecting position information of the magnetis disposed around the magnet. A magnetic shield plateis disposed between the motorand the magnetic sensors, and an outer surfaceof the motorand an inner surfaceof the magnetic shield plateface each other with a predetermined gaptherebetween.