Patent · US Active

Group transmission device

US8647232B2 · kind B2 · utility

3Cited by

4References

10Claims

0Family size

Assignee

Daimler AG · DE

Inventors

Manfred Guggolz · Rutesheim, DE
Karl Krieger · Brinkum, DE
Wilhelmus Kok · Winnenden, DE
David Ulmer · Schenefeld, DE

Key dates

Filing date	Sep 6, 2011
Grant date	Feb 11, 2014
Priority date	—
Expiry date	Apr 18, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19251
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

In a group transmission device comprising a splitter group transmission unit and at least one active actuating unit for introducing an actuating torque into the splitter group transmission unit, an open- and/or closed-loop control unit is provided for adapting the actuating torque introduced into the splitter group transmission unit to at least one synchronized shifting operation to be executed by means of the splitter group transmission unit without synchronizing ring.

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