Volkswagen Ag

Christian Arenz

Jens Wodausch

Björn Fröhlich

Andre Shurkewitsch

Silke Weddig

Lars Petersen

Michael Brand

Stephan Schwieger

Nikolaus Zimbalist

Leonhard Lang

Torsten Scheller

Christopher Lueck

Peter Kawelke

Pierre Misiek

Marc-Andre Golkowski

Mario Campe

Sebastian Heins

Stephan Schemann

A reduction method for a catalytic converter in an exhaust system of an internal combustion engine for reducing the oxygen content in the catalytic converter, in particular after an overrun fuel cutoff mode of the internal combustion engine, the method including first injection of fuel into a first cylinder, the first injection taking place after an ignition point in time of a compression stroke of a first working cycle of the cylinder and including an introduction of the injected fuel from the cylinder into the catalytic converter during an exhaust stroke of the first cylinder.

Reduction method for reducing the oxygen content in the catalytic converter, engine arrangement and vehicle

A method for controlling a control valve, the control valve controlling a volume flow of a fluid along a line, the method including at least the following steps: (a) performing a closing operation of the control valve; (b) measuring a pressure profile upstream of the control valve; and (c) determining a density of the fluid.

Method for controlling a control valve

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Braunschweig, Germany

Christian Arenz