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Ralf Sperber

Daimler AG

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Publication

Featured researches published by Ralf Sperber.

Archive | 1999

Toothed gear transmission having two partial transmissions disposed parallel to each other in the power flow

Markus Heinzel; Ralf Sperber; Gunter Worner

Archive | 1999

Gear wheel variable transmission with two sub-gears arranged parallel to each other in the power flow

Axel Geiberger; Markus Heizel; Andreas Kolb; Ralf Sperber; Heinrich Straub; Guenter Woerner

Archive | 1999

Variable-ratio gear transmission having two partial transmissions each having a powershift clutch

Ralf Sperber; Gunter Worner

Archive | 1999

Variable speed transmission for motor vehicles has second output shaft parallel to first and with axial spacing from intermediate shafts or differential deviating from that of first output shaft

Markus Heinzel; Ralf Sperber; Guenter Woerner

Archive | 1998

Vehicle gear-changing method involves synchromesh device with gear stages additionally used for providing highest and lowest gear ratios

Ralf Eberspaecher; Ralf Sperber; Guenter Woerner

Archive | 1999

Toothed speed-changing gearing with two parallel transmission paths

Markus Heinzel; Ralf Sperber; Gunter Worner

Archive | 1998

Coupling tooth of a selector sleeve of a gear coupling for coupling a gear wheel to its shaft

Martin Schetter; Ralf Sperber

Archive | 1999

Variable speed transmission for motor vehicles has first and second power transmission clutches brought into functional communication via transmission constant with output shaft with stepping up of lowest gear speed for starting

Ernst Tscheplak; Ralf Sperber; Guenter Woerner

Archive | 2000

Method of gear shifting for a gearbox

Ralph Eberspaecher; Ralf Sperber; Guenter Woerner

ATZ worldwide | 2012

Daimler’s new exterior noise test rig for all-wheel-drive vehicles

Harald Behrendt; Ralf Sperber; Konrad Pux; Ulrich Losner; Hartmut Bathelt

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Collaboration

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Guenter Woerner

Daimler AG

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Markus Heinzel

Daimler AG

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Gunter Worner

Daimler AG

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Andreas Kolb

Daimler AG

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Axel Geiberger

Daimler AG

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Harald Behrendt

Daimler AG

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Heinrich Straub

Daimler AG

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Konrad Pux

Daimler AG

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Martin Schetter

Daimler AG

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Ralf Eberspaecher

Daimler AG

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