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:
Jul. 03, 2018
Filed:
May. 21, 2013
Ihi Corporation, Tokyo, JP;
Osaka University, Osaka, JP;
Narifumi Tojima, Tokyo, JP;
Koshi Ishimoto, Tokyo, JP;
Katsuhiro Hirata, Osaka, JP;
Noboru Niguchi, Osaka, JP;
Ariff Zaini, Osaka, JP;
Tsubasa Oshiumi, Osaka, JP;
Eiki Morimoto, Osaka, JP;
IHI CORPORATION, Tokyo, JP;
OSAKA UNIVERSITY, Osaka, JP;
Abstract
A magnetic wave gear device (A,B,F) includes: a first member (), a second member (), and a third member () which are rotatable relative to one another around a rotation axis (R). The second member () is disposed between the first member () and the third member (), and includes magnetic material pieces (). The first member () includes first permanent magnets (A,B). The third member () includes: a plurality of pole teeth (), a pole tooth () being wound with a coil (); and second permanent magnets (B), each second permanent magnet (B) being disposed between pole teeth () next to each other, and the magnetic poles of sides of the second permnanent magnets (B) facing the second member () being the same pole.