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:
Nov. 21, 2017
Filed:
Nov. 04, 2014
Applicant:
Daimler Ag, Stuttgart, DE (US);
Inventors:
Tobias Schilder, Stuttgart, DE;
Klaus Riedl, Tuebingen, DE;
Assignee:
Daimler AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/66 (2006.01);
U.S. Cl.
CPC ...
F16H 3/66 (2013.01); F16H 2200/0078 (2013.01); F16H 2200/0086 (2013.01); F16H 2200/0091 (2013.01); F16H 2200/2012 (2013.01); F16H 2200/2048 (2013.01); F16H 2200/2064 (2013.01); F16H 2200/2094 (2013.01);
Abstract
A multistage transmission, in particular for a motor vehicle, is provided at least structurally for selecting at least twelve forward transmission gears with different step-up ratios. This multistage transmission has four operatively interconnected planetary gear stages, a transmission input shaft for attaching to an internal combustion engine, a transmission output shaft, for attaching to drive wheels, four clutch units, each of which includes two clutch elements, and three brake units, each of which includes one clutch element.