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Graf Johann

Audi

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Publication

Featured researches published by Graf Johann.

Archive | 2006

Method for diagnosing functionality of valve lift adjustment of internal combustion engine entails measuring actual voltage curve in actuator coil, comparing it with set value, and sending out error report for deviation

Feldmann Uwe; Wolf Rainer; Fitzen Michael; Graf Johann

Archive | 2008

Motor vehicle e.g. car, has engine controller controlling rotary speed and torque rise, and providing actual rotary speed as information signal to transmission control system, which verifies signal based on changed rotational speed

Graf Johann

Archive | 2005

Motor vehicle uses gearbox controller for inhibiting or enabling driving, whereby inhibiting and enabling mode results from signal representing measure of engine revolution rate

Graf Johann

Archive | 2016

Spurwechselassistent, zugehöriges Betriebsverfahren und Kraftfahrzeug

Graf Johann

Archive | 2014

Valve drive device for internal combustion engine, has radial projection portion whose height is set lower than height of ejection ramp, and drive unit that is set with retaining unit for holding carrier in sliding groove

Graf Johann

Archive | 2010

Verfahren zum Regeln sowie Verfahren zum Verringern einer Motordrehzahl

Graf Johann; Mueller Frank

Archive | 2008

Test stand e.g. engine test stand, for e.g. engine controller, of motor vehicle i.e. engine driven motor vehicle, has computing unit for connecting components with immobilizer, which is activated by authorization request in data base

Graf Johann

Archive | 2007

Automatically switched gear`s drive and output shafts speed information verifying method for motor vehicle, involves verifying whether variation of actual speed information by further received speed information is given or not

Graf Johann

Archive | 2006

Kraftfahrzeug mit einer Wegfahrsperre

Graf Johann

Archive | 2017

Verfahren zum Betreiben einer Brennkraftmaschine sowie entsprechende Brennkraftmaschine

Graf Johann

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Collaboration

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Duba Georg-Peter

Audi

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Feldmann Uwe

Audi

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Fitzen Michael

Audi

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Kischkat Ralf Dr

Audi

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Ledendecker Ingo

Audi

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Mueller Frank

Audi

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Wolf Rainer

Audi

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