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:
Mar. 30, 2021
Filed:
Jul. 23, 2014
Ntn Corporation, Osaka, JP;
Hiroyuki Yamada, Iwata, JP;
Ken Sugiura, Iwata, JP;
NTN CORPORATION, Osaka, JP;
Abstract
The present power generator includes: a rotor including a plurality of permanent magnets arranged in a rotation direction; a stator including a plurality of coils provided to face the plurality of permanent magnets, each of the plurality of coils being configured to generate AC voltage during rotation of the rotor; and a plurality of magnetic bodies respectively provided in the plurality of coils, in a direction of center axis of each of the coils, a length (Lm) of each of the magnetic bodies being set to be shorter than a length (Lc) of each of the coils. Accordingly, a larger amount of power than that in a coreless structure is generated.