Patent · US Active

Multistage transmission for a motor vehicle

US9822851B2 · kind B2 · utility

0Cited by

2References

9Claims

0Family size

Assignee

Daimler AG · DE

Inventors

Tobias Schilder · Ludwigsburg, DE
Klaus Riedl · Bingen, DE

Key dates

Filing date	Nov 4, 2014
Grant date	Nov 21, 2017
Priority date	—
Expiry date	Nov 4, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2200/2094
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.