Wolfgang Vallaster | Researchain

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Archive | 1999

Method for controlling an automatic transmission

Franz-Josef Schuler; Wolfgang Vallaster; Adolf Bucher

Archive | 2012

Friction shift member e.g. hydraulic multi-disk friction clutch, for use in planetary eight-speed automatic gear box of vehicle, has axial spacing for separation of disks such that number of disk pairs is varied based on axial force

Andreas Donges; Paul Granderath; Ulrich Dipl.-Ing. Dörr; Wolfgang Vallaster; Christoph Margraf; Tobias Janischek

Archive | 2010

Automatic transmission controlling method for motor vehicle, involves opening switching elements of transmission completely during recognized towing process if transmission is switched to neutral state

Klaus Steinhauser; Wolfgang Vallaster; Dirk Winkler

Archive | 2013

Hydrodynamic three-line torque converter for use in automatic gear shift gearbox of vehicle, has return diaphragms provided in piston of lockup clutch and closed when pressure in toroid space does not exceed pressure in piston space

Wolfgang Vallaster; Jürgen Stauber

Archive | 2010

Method for compensating air pockets in electrohydraulic system of automat transmission in vehicle, involves extending filling time of shifting elements to preset value, and reducing value until occurrence of actuation of elements stops

Tim Geiss; Christoph Hess; Jörg Hockertz; Marc Klein; Joachim König; Martin Richter; Hansjörg Rosi; Dennis Schaer; Wolfgang Vallaster; Anton Waibel; Markus Wallner

Archive | 2010

Verfahren zur Erhöhung des Wirkungsgrades der Standabkopplung bei einem Fahrzeug umfassend ein Automatgetriebe

Ruben Cüppers; Tim Geiß; Roland Graf; Jörg Hockertz; Marc Klein; Philipp Kölbl; Joachim König; Martin Richter; Hansjörg Rosi; Dennis Schaer; Wolfgang Vallaster; Markus Wallner

Archive | 2009

Verfahren zur Kompensation von Lufteinschlüssen im elektrohydraulischen System eines Automatgetriebes im Neuzustand

Tim Geiss; Christoph Hess; Jörg Hockertz; Marc Klein; Joachim König; Martin Richter; Hansjörg Rosi; Dennis Schaer; Wolfgang Vallaster; Anton Waibel; Markus Wallner

Archive | 2008