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. 13, 2020
Filed:
Oct. 11, 2017
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Kazuyoshi Hanabusa, Tokyo, JP;
Takashi Urano, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/24 (2006.01); H01F 27/36 (2006.01); H02J 50/10 (2016.01); H01F 38/14 (2006.01); H01F 27/32 (2006.01); H01F 27/28 (2006.01); H01F 38/18 (2006.01);
U.S. Cl.
CPC ...
H01F 27/36 (2013.01); H01F 27/24 (2013.01); H01F 27/2804 (2013.01); H01F 27/325 (2013.01); H01F 38/14 (2013.01); H01F 38/18 (2013.01); H02J 50/10 (2016.02);
Abstract
Disclosed herein is a rotary type magnetic coupling device used for a rotator. The rotary type magnetic coupling device includes first and second coils magnetically coupled to each other, and third and fourth coils magnetically coupled to each other. The coil axes of the first and second coils extend in a rotary axis direction of the rotator, and the coil axes of the third and fourth coils radially extend in a radial direction substantially orthogonal to the rotary axis of the rotator.