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. 13, 2021
Filed:
Jul. 17, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Hiroyuki Hattori, Okazaki, JP;
Takeshi Kitayama, Sunto-gun, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
An electric motor includes: a rotary shaft member rotating about an axis; a rotor including a rotor core, which has an annular shape and is provided on the rotary shaft member, and a magnet provided on the rotor core; a stator including a stator core, which has an annular shape and is disposed at an interval from the rotor core in a radial direction that is a direction orthogonal to an axial direction of the rotary shaft member, and a stator coil wound around the stator core; a field yoke, which has an annular shape, includes the rotor and the staorm, and has a fixed relative positional relationship with the stator core; and a case member, which has a side wall extending in the axial direction to face an outer peripheral surface of the field yoke, the field yoke being fixed to the case member.