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:
Aug. 15, 2023
Filed:
Aug. 28, 2020
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Toshio Tomonari, Tokyo, JP;
Noritaka Chiyo, Tokyo, JP;
Koji Mitake, Tokyo, JP;
Toshihiro Kuroshima, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/25 (2016.01); G01K 7/36 (2006.01); G01K 7/16 (2006.01); H02K 21/14 (2006.01);
U.S. Cl.
CPC ...
H02K 11/25 (2016.01); G01K 7/16 (2013.01); G01K 7/36 (2013.01); H02K 21/14 (2013.01);
Abstract
A magnet temperature information output device is disposed on a rotating electrical machine including a stator and a rotor with a permanent magnet, and is arranged to output temperature information regarding a temperature of the permanent magnet. The magnet temperature information output device includes an element arranged to detect a magnetic flux and output an electrical signal responding to the detected magnetic flux as the temperature information. The element is disposed on the stator.