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:
May. 10, 2022
Filed:
Nov. 21, 2018
Lg Innotek Co., Ltd., Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
An embodiment relates to a motor comprising: a shaft; a rotor which is coupled to the shaft; and a stator which is disposed outside the rotor, wherein the rotor comprises a first can, a rotor core which is at least partially disposed in the first can, a plurality of magnets which are coupled to the rotor core, and a second can in which another portion of the rotor core is disposed, the plurality of magnets are spaced apart in the circumferential direction by a plurality of spacing spaces, the first can comprises a first plate portion, a first protrusion portion which is formed by bending at an edge of the first plate portion, and a plurality of first protrusions which are disposed on at least two of the plurality of spacing spaces and spaced apart from each other, the second can includes a second plate portion, a second protrusion portion which is formed by bending at the edge of the second plate portion, and a plurality of second protrusions which are disposed on at least two different spaces of the plurality of spacing spaces and spaced from each other, and the first protrusion and the second protrusion are arranged to be offset from each other.