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Thomas Ratzmann

ZF Friedrichshafen

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Publication

Featured researches published by Thomas Ratzmann.

Archive | 2008

TRANSMISSION DEVICE HAVING A VARIATOR

Tobias Weber; Gerhard Bailly; Thomas Ratzmann; Walter Fischer; Jürgen Pohlenz

Archive | 2008

Power branched transmission

Gerhard Bailly; Thomas Ratzmann; Walter Fischer; Jürgen Pohlenz

Archive | 2010

Transmission device for use in vehicle power train, has planetary gear unit and variator whose shafts are connected to transmission output via switching elements for illustrating transmission regions, respectively

Gerhard Bailly; Jürgen Pohlenz; Thomas Ratzmann; Tobias Weber; Walter Fischer

Archive | 2008

VARIABLE TRANSMISSION DEVICE FOR A VEHICLE

Juergen Pohlenz; Gerhard Bailly; Thomas Ratzmann

Archive | 2010

Power split transmission for use in e.g. tractor, has internal gear connected with driven shaft by control unit, center gear connected with driven shaft by another control unit, and shaft in effective-connection with center gear

Gerhard Bailly; Jürgen Pohlenz; Walter Fischer; Thomas Ratzmann

Archive | 2008

Transmission device for a vehicle, having a variator

Gerhard Bailly; Thomas Ratzmann; Karl Grad; Juergen Pohlenz

Archive | 2008

TRANSMISSION DEVICE FOR A VEHICLE, COMPRISING A VARIATOR, A PLANETARY GEAR UNIT AND A MANUAL TRANSMISSION UNIT

Gerhard Bailly; Thomas Ratzmann; Karl Grad; Jürgen Pohlenz

Archive | 2012

Hydraulic system for drive train of agricultural tractor, has system pressure control device including system pressure control valve for controlling system reference pressure parameter based on signals of drive train

Gerhard Bailly; Jürgen Pohlenz; Thomas Ratzmann; Olaf Dr.-Ing. Huwendiek

Archive | 2010

Transmission device for use in agricultural machine vehicle, has output shaft, which is brought in effective connection with another output shaft by shifting element such that gear transmission ratio between output shafts is present

Helmut Konrad; Gerhard Bailly; Thomas Ratzmann; Martin Hildebrand; Jürgen Pohlenz

Archive | 2010

Variable transmission device for vehicle, has variator, planetary gear unit, and manual gear unit, which are arranged in transmission housing

Gerhard Bailly; Jürgen Pohlenz; Thomas Ratzmann

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Collaboration

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Gerhard Bailly

ZF Friedrichshafen

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Jürgen Pohlenz

ZF Friedrichshafen

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Karl Grad

ZF Friedrichshafen

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Walter Fischer

ZF Friedrichshafen

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Tobias Weber

ZF Friedrichshafen

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Helmut Konrad

ZF Friedrichshafen

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Juergen Pohlenz

ZF Friedrichshafen

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Erwin Baur

ZF Friedrichshafen

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Martin Hildebrand

ZF Friedrichshafen

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Olaf Dr.-Ing. Huwendiek

ZF Friedrichshafen

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