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. 01, 2025
Filed:
Nov. 03, 2020
Amotech Co., Ltd., Incheon, KR;
Jeong Hoon Lee, Incheon, KR;
AMOTECH CO., LTD., Incheon, KR;
Abstract
Provided is a hub-type electric driving device including: a housing having a wheel formed in the shape of a cup, and a cover whose outer peripheral part is coupled to the opening of the wheel; a motor shaft having both end portions fixed on a body outside of the housing; first and second bearings provided respectively in through-holes formed in the centers of the wheel and the cover; and a BLDC motor embedded inside the housing and rotating the housing around the motor shaft. The BLDC motor includes: a rotor in which a back yoke and a magnet are stacked on a cylindrical inner wall of the wheel; and a stator whose outer peripheral part faces the magnet of the rotor while having an air gap therewith and whose central part is coupled to the outer circumference of the motor shaft.