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Dive into the research topics where Keppeler Berthold is active.

Publication


Featured researches published by Keppeler Berthold.


Archive | 2012

Exhaust system for motor car, has decoupling element arranged downstream of inlet, and vaporizer arranged between inlet and decoupling element for conveying reducing agent into gaseous state

Thomas Beckmann; Keppeler Berthold; Antonio Pepe


Archive | 2010

Method for operating air-compressing internal combustion engine, involves adjusting oxygen mass content in flue gas by actuation of low pressure-exhaust gas recirculation valve or air vane

Keppeler Berthold; Koch Heike; Menke Harald


Archive | 2006

Operating an internal combustion engine comprises e.g. adjusting the interval between and duration of rich phase operation in response to the age state of a storage catalyst

Kaiser Alexander; Keppeler Berthold


Archive | 2012

Betriebsverfahren für einen Kraftfahrzeug-Dieselmotor

Balthes Ortwin; Beckmann Thomas; Keppeler Berthold; Mueller Siegfried


Archive | 2004

ABGASREINIGUNGSANLAGE FÜR EIN KRAFTFAHRZEUG MIT EINEM REDUKTIONSMITTELVORRATSBEHÄLTER UND BETRIEBSVERFAHREN HIERFÜR

Duvinage Frank; Goerigk Christian; Keppeler Berthold; Nolte Arno; Paule Markus; Schommers Joachim


Archive | 2011

Exhaust strand has mixing device through which exhaust gas flows for mixing with reducing agent in exhaust line, where size of partial flow of exhaust gas is variable according to flow rate

Balthes Ortwin; Beckmann Thomas; Keppeler Berthold


Archive | 2011

Operating method for motor vehicle diesel engine, involves arranging oxidation catalyst in flow direction of exhaust gas one behind other, and arranging addition unit for ammonia containing nitrogen oxide reducing agent

Ortwin Balthes; Thomas Beckmann; Keppeler Berthold; Dipl.-Ing. Müller Siegfried


Archive | 2006

Exhaust gas purification for internal combustion engine involves converting catalyst that has absorbed nitrogen oxides from exhaust gas into ammonia

Keppeler Berthold; Weibel Michel; Wunsch Rolf


Archive | 2015

Verfahren zur Ermittlung einer NOx-Verminderungsleistung einer in einer Abgasleitung eines Kraftfahrzeugverbrennungsmotors angeordneten NOx-Reduktionskatalysatoreinrichtung

Keppeler Berthold; Woog Thorsten


Archive | 2015

Verfahren zur Temperatureinstellung einer Abgasnachbehandlungseinrichtung

Balthes Ortwin; Keppeler Berthold; Müller Siegfried; Woog Thorsten

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