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Dive into the research topics where Andreas Fritsch is active.

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Featured researches published by Andreas Fritsch.


MTZ - Motortechnische Zeitschrift | 2008

Dieselpartikelfilter aus Cordierit. Aufbau und Regenerationsmanagement

Carsten Becker; Bernd Reinsch; Martin Strobel; Hans-Peter Frisse; Andreas Fritsch

Derzeit kommen bei Pkw mit Dieselmotor meist keramische Partikelfilter aus Siliziumkarbid (SiC) zum Einsatz. Cordierit-Partikelfilter sind zwar gunstiger in der Herstellung und bieten einige zusatzliche technische Vorteile, jedoch fehlte fur die Serienverbreitung bisher eine robuste Regenerationsstrategie, um den Abbrand des Ruses unter allen Betriebsbedingungen sicher zu gewahrleisten und die hohen Regenerationstemperaturen zu beherrschen. Bosch hat dazu ein Gesamtsystem entwickelt, das aus dem Cordierit-Partikelfilter und einer Regenerationsmanagement-Software besteht.


MTZ worldwide | 2008

Particulate filter made of cordierite

Carsten Becker; Bernd Reinsch; Martin Strobel; Hans-Peter Frisse; Andreas Fritsch

Ceramic filters based on silicon carbide (SiC) are widely used in current diesel particulate filters for passenger car applications. Filters based on cordierite ceramics are produced at lower costs and offer several advantageous technical features. However, a widespread use has been impeded as yet by the lack of a robust regeneration strategy, which provides for a safe soot burning under all operating conditions by the reliable control of high regeneration temperatures. Bosch has developed a complete filter system consisting of a cordierite particulate filter and the regeneration management software “DPF-AC”.


Archive | 2004

Control of engine exhaust particle filter regeneration, measures lambda value, assesses it, and issues signal to actuator controlling burn-off

Andreas Pfaeffle; Ralf Wirth; Marcel Wuest; Dirk Samuelsen; Stefan Forthmann; Carsten Becker; Michael Kolitsch; Andreas Fritsch


Archive | 2005

Method for metering a fuel into an exhaust duct of an internal combustion engine and a device for implementing the method

Stefan Forthmann; Carsten Becker; Joerg Frauhammer; Andreas Fritsch; Stefan Motz


Archive | 2005

Method and controller for exhaust gas temperature control

Andreas Pfaeffle; Marcel Wuest; Dirk Samuelsen; Stefan Forthmann; Michael Kolitsch; Andreas Fritsch


Archive | 2006

Verfahren zum Dosieren eines Brennstoffs in einen Abgaskanal einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens

Stefan Forthmann; Carsten Becker; Joerg Frauhammer; Andreas Fritsch; Stefan Motz


Archive | 2007

Operating method e.g. for operating within exhaust range of internal combustion engine of arranged particle filters, involves having particle filter in which temporarily stored particles are regenerated

Carsten Becker; Paolo Ciccarese; Andreas Fritsch; Hartmut Lueders; Stefan Motz; Ralf Wirth


Archive | 2007

Procedure and device to regenerate an exhaust gas purification system

Ralf Wirth; Dirk Samuelsen; Stefan Forthmann; Werner Christl; Carsten Becker; Andreas Fritsch; Stefan Motz; Tobias Pfister; Christian Post; Andreas Nagel


Archive | 2007

Method for diagnosing a differential pressure sensor arranged in an exhaust gas region of a combustion engine comprises evaluating the dynamic behavior of a differential pressure signal as a result of a change in exhaust gas pressure

Stefan Forthmann; Andreas Fritsch


Archive | 2006

Procedure to operate an exhaust gas treatment device and device to implement the procedure

Andreas Fritsch

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