Wolfgang Mai

Method and device for activating a valve of a fuel vapor retention system

Method for controlling valve of fuel vapor restraint system of internal-combustion engine involves increasing degree of opening of valve gradually or continuously during determination phase

Method and device for checking the functional capability of a tank ventilation device for an internal combustion engine

Verfahren und Vorrichtung zum Steuern einer Tankentlüftungsvorrichtung für ein Kraftfahrzeug Method and apparatus for controlling a tank venting apparatus for a motor vehicle

Method and apparatus for controlling a tank venting apparatus for a motor vehicle

Verfahren und Vorrichtung zur Korrektur der Kraftstoffkonzentration im Regeneriergasstrom einer Tankentlüftungsvorrichtung Method and apparatus for correcting the fuel concentration in the regeneration of a tank ventilation device

Tank ventilation device for a motor vehicle

Verfahren zum Steuern einer Brennkraftmaschine und Brennkraftmaschine A method for controlling an internal combustion engine and internal combustion engine

A method for controlling an internal combustion engine and the internal combustion engine

Tankentlüftungsvorrichtung für ein Kraftfahrzeug Tank venting device for a motor vehicle