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:
Feb. 15, 2022
Filed:
Apr. 23, 2014
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Hirooki Tokoi, Tokyo, JP;
Daisuke Kitajima, Tokyo, JP;
Tomonori Kawagoe, Tokyo, JP;
Katsuyuki Yamazaki, Tokyo, JP;
Toru Sakai, Tokyo, JP;
Shuuichi Takahashi, Tokyo, JP;
Toshifumi Suzuki, Tokyo, JP;
Norihisa Iwasaki, Tokyo, JP;
Ryousou Masaki, Tokyo, JP;
Yuji Enomoto, Tokyo, JP;
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Abstract
An axial air-gap rotary electric machine includes a stator, a coil, and a bobbin. The bobbin includes a tube and a flange. The coil is wound on the outer periphery of the tube portion with regular winding. A number of turns of each of a plurality of layers wound around an external side of a last layer in contact with the flange is at least one less than a number of turns of each of a plurality of layers wound around an adjacent internal side of the last layer.