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. 05, 2015
Filed:
Jan. 10, 2013
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Stefan Beck, Eriskirch, DE;
Timo Wehlen, Friedrichshafen, DE;
ZF Friedrichsahfen AG, Friedrichshafen, DE;
Abstract
A multi-stage transmission with eight forward and one reverse gear, including input and output shafts, planetary gearsets, gear stages, shift elements and shafts. Input shaft couples the carrier of gearset (P) and, via clutch (), can couple shaft () that couples the ring and sun gears respectively of gearsets (P, P). The ring gear of gearset (P) couples shaft (), which couples the sun gear of gearset (P). Shaft () couples the sun gear of gearset (P), can couple the housing via brake (), and can couple shaft (), which couples the ring gear of gearset (P). The carrier of gearset (P) couples shaft (), which can couple the output shaft () via gear stage (S) and clutch (). The carrier of gearset (P) couples shaft (), which couples gear stage (S), which couples the output shaft. A clutch (or) can engage to block gearset (P).