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:
Jun. 06, 2023
Filed:
Oct. 29, 2020
Das Co., Ltd., Gyeongsangbuk-do, KR;
Kwang Sin Lee, Gyeonggi-do, KR;
In Ho Jo, Gyeonggi-do, KR;
DAS CO., LTD., Gyeongsangbuk-Do, KR;
Abstract
A BLDC motor system is provided, which includes a motor provided with a stator forming a tubular space in which a center shaft exists and having an inner side for the center shaft, on which a plurality of coil units generating a magnetic field are formed, and a rotor located in the tubular space and having fixed magnet units arranged on an outer side for the center shaft, a skew having a predetermined slope against the center shaft being formed on a boundary between one of the fixed magnet units and the adjacent fixed magnet unit; and a driving module provided with a driving circuit supplying a power for driving the motor to the coil units, and a controller rotating the rotor by switching the driving circuit and performing switching so that the power being supplied from the driving circuit to the coil units forms a sine wave.