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. 31, 2021
Filed:
Sep. 13, 2019
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventors:
Masatomo Shirouzu, Yamanashi, JP;
Kenichi Tsukada, Yamanashi, JP;
Assignee:
Fanuc Corporation, Yamanashi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 75/00 (2006.01); H01F 30/04 (2006.01); H01F 27/28 (2006.01); H01F 27/40 (2006.01); H01F 27/24 (2006.01); H01F 27/26 (2006.01); H01F 30/12 (2006.01); H01F 37/00 (2006.01);
U.S. Cl.
CPC ...
H01F 30/04 (2013.01); H01F 27/24 (2013.01); H01F 27/263 (2013.01); H01F 27/28 (2013.01); H01F 27/40 (2013.01); H01F 30/12 (2013.01); H01F 37/00 (2013.01); H01F 2027/408 (2013.01);
Abstract
An electromagnetic device includes an outer peripheral iron core, and at least three iron core coils which are in contact with or coupled to the inner surface of the outer peripheral iron core. The at least three iron core coils each include an iron core, and at least one of a primary coil and a secondary coil, which are wound around the iron core. The at least three iron core coils are arranged in a circle, and the iron core of one of the at least three iron core coils is in contact with the iron cores of the other iron core coils adjacent to the one iron core coil.