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. 06, 2025
Filed:
May. 29, 2020
Hl Mando Corporation, Gyeonggi-do, KR;
Kyung Ho Hong, Seoul, KR;
Seungkyung Lee, Gyeonggi-do, KR;
HL MANDO CORPORATION, Gyeonggi-do, KR;
Abstract
The present invention relates to a system for driving a chainless electric bicycle comprising: a driving wheel; a pedal; a motor mechanically connected to the driving wheel; a generator mechanically connected to the pedal; and a battery, wherein provided is a system comprising: a generator location sensor for measuring the value of a rotation location of the generator; a motor location sensor for measuring the value of a rotation location of the motor; and a controller configured to calculate a difference value of the value of the rotation location of the motor minus the value of the rotation location of the generator multiplied by a gear ratio, and to control at least one of the generator and the motor on the basis of the difference value.