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Dive into the research topics where Christof Schoen is active.

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Featured researches published by Christof Schoen.


Archive | 2000

Process and system for purifying exhaust gases of an internal-combustion engine

Walter Boegner; Guenter Karl; Bernd Krutzsch; Christof Schoen; Dirk Voigtlaender; Guenter Wenninger


Archive | 1998

Internal-combustion engine system having a nitrogen oxide storage catalyst and an operating process therefor

Walter Boegner; Guenter Karl; Bernd Krutzsch; Christof Schoen; Dirk Voigtlaender; Guenter Wenninger


Archive | 2000

Exhaust-gas cleaning system and method with internal ammonia generation, for the reduction of nitrogen oxides

Josef Günther; Bernd Krutzsch; Christof Schoen; Dirk Voigtlaender; Miechel Weibel; Marko Weirich


Archive | 2000

Method for the periodically desulfating a nitrogen oxide or sulfur oxide accumulator of an exhaust gas cleaning system

Walter Boegner; Guenter Karl; Bernd Krutzsch; Stefan Renfftlen; Christof Schoen; Dirk Voigtlaender; Guenter Wenninger


Archive | 1999

Desulfating the nitrogen oxide or sulfur oxide storage unit of a catalytic converter comprises variably operating different groups of engine cylinders with different fuel/air ratios

Dirk Voigtlaender; Andreas Hertzberg; Josef Guenther; Christof Schoen; Ralph Stetter


Archive | 1999

Device for purifying I.C. engine exhaust gas contains a nitrogen monoxide production unit to enrich the exhaust gas fed to the ammonia production catalyst with nitrogen monoxide during ammonia production operating phases

Marko Weinich; Bernd Krutzsch; Michel Weibel; Dirk Voigtlaender; Christof Schoen; Josef Guenther


Archive | 2007

Method for operating an exhaust-gas purification system in a lean-burn spark-ignition engine

Susanne Philipp; Torsten Franke; Stephan Eckhoff; Wilfried Mueller; Thomas Kreuzer; Hubert Bichler; Rainer Zimmer; Christof Schoen


SAE 2013 World Congress & Exhibition | 2013

Exhaust Gas Aftertreatment for Lean Gasoline Direct Injection Engines - Potential for Future Applications

Susanne Philipp; Ruediger Hoyer; Frank Adam; Stephan Eckhoff; Rolf Wunsch; Christof Schoen; Guido Vent


SAE 2005 World Congress & Exhibition | 2005

Deactivation of TWC as a Function of Oil Ash Accumulation - A Parameter Study

Jens Franz; Juergen Schmidt; Christof Schoen; Manfred Harperscheid; Stephan Eckhoff; Martin Roesch; Juergen Dr Leyrer


SAE 2004 World Congress & Exhibition | 2004

Catalyst Design for High Performance Engines Capable to Fulfill Future Legislation

Stephan Eckhoff; Wilfried Mueller; D. Lindner; Juergen Dr Leyrer; Thomas Kreuzer; Guido Vent; Christof Schoen; Juergen Schmidt; Jens Franz

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