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:
Jan. 30, 2024
Filed:
Aug. 12, 2019
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Johannes Kaltenbach, Friedrichshafen, DE;
Uwe Griesmeier, Markdorf, DE;
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Abstract
A drive arrangement for a bicycle or pedelec includes a manual drive shaft () in a housing (). A rotor () of a first electric drive (EM) is arranged axially parallel to the manual drive shaft (), and a rotor () of a second electric drive (EM) is arranged coaxially to the manual drive shaft (). The rotor () of the first electric drive (EM) is coupled to a first planetary gear set (PS) as a superposition gearbox via a first fixed ratio. The rotor () of the second electric drive (EM) is coupled to the manual drive shaft () via a second fixed ratio. The manual drive shaft () is coupled to the first planetary gear set (PS) as the superposition gearbox, and the first planetary gear set (PS), as the superposition gearbox, is coupled to an output ().