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:
Sep. 19, 2023
Filed:
Aug. 23, 2021
Applicant:
Proterial, Ltd., Tokyo, JP;
Inventor:
Kazuhiko Tomita, Tokyo, JP;
Assignee:
Proterial, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/215 (2016.01); G01D 5/14 (2006.01); G01B 7/30 (2006.01);
U.S. Cl.
CPC ...
H02K 11/215 (2016.01); G01D 5/14 (2013.01); G01B 7/30 (2013.01);
Abstract
The present invention relates to a rotation detection apparatus configured to detect a rotation state of a gear based on a magnetic field change that occurs as the gear is rotated. The rotation detection apparatus includes: a first sensor portion and a second sensor portion each having a magnetic detection element and a covering member configured to cover the magnetic detection element; one permanent magnet arranged between the first sensor portion and the second sensor portion; and a housing portion configured to accommodate the first sensor portion, the second sensor portion and the permanent magnet.