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:
Dec. 17, 2019
Filed:
Jan. 11, 2017
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Hirofumi Kinjo, Nagoya, JP;
Masahito Shirahase, Nishio, JP;
Toru Wakimoto, Chiryu, JP;
Takeshi Tomonaga, Toyota, JP;
Hiroyuki Hattori, Okazaki, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;
Abstract
A stator for a electric motor, the stator including: a stator core including a yoke having an annular shape, and a plurality of teeth protruding from an inner circumferential surface of the yoke in a stator radial direction; a stator coil wound around the teeth, the stator coil being configured to generate a rotating magnetic field as a current is applied thereto; and a cancel coil extending in a stator axial direction at positions on the inner circumferential side and the outer circumferential side relative to the yoke, the cancel coil being wound around the stator core so as to extend in the stator radial direction and traverse the yoke at positions outside the stator core in the stator axial direction, and constituting one or more closed circuits.