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Featured researches published by Bernd Rosenau.


MTZ worldwide | 2009

Pressure-amplified common rail system for commercial vehicles

Rolf Leonhard; Marcus Parche; Carlos Alvarez-Avila; Jost Krauß; Bernd Rosenau

The key to a successful layout of a combustion system for commercial vehicles is in the management of peak torque operation points. For this purpose, Bosch has enhanced its Common Rail System with increasing degrees of freedom — i.e. with flexible rate shaping. A second solenoid valve activates a pressure-amplifier inside the injector, an optimized offset of nozzle needle timing reduces the injection rate by half right at the start of injection, and the formation of nitrogen oxide is reduced considerably. This enables the engine manufacturer to adhere to the emission limits while further reducing fuel consumption and the engine-related effort for the air sytem.


MTZ - Motortechnische Zeitschrift | 2009

Druckübersetztes Common-Rail-System für Nutzfahrzeuge

Rolf Leonhard; Marcus Parche; Carlos Alvarez-Avila; Jost Krauß; Bernd Rosenau

Der Schlussel fur eine erfolgreiche Auslegung eines Brennverfahrens fur Nfz liegt in der Beherrschung der Hochlastpunkte. Bosch hat hierfur das Common-Rail-System um einen Freiheitsgrad erweitert - der flexiblen Formung des Einspritzverlaufs. Ein zweites Magnetventil aktiviert ein im Injektor integrierten Druckubersetzer, durch optimierten Versatz der Steuerzeiten zur Magnetventildusennadel-Steuerung wird die Einspritzrate zu Beginn der Einspritzung halbiert, die Bildung von Stickoxiden wird stark eingeschrankt. Dies gibt dem Motorenhersteller die Moglichkeit, bei Erreichung der Emissionsgrenzwerte den Kraftstoffverbrauch weiter zu senken und den motorischen Aufwand fur das Luftsystem zu reduzieren.


Archive | 1998

Piston pump for high pressure fuel supply

Horst Klinger; Uwe Kuhn; Bernd Rosenau; Peter Traub; Thomas Goettel; Gerd Loesch; Sandro Soccol


Archive | 2002

Method and device for controlling the operation of an internal combustion engine

Karsten Mischker; Rainer Walter; Bernd Rosenau; Udo Diehl; Hermann Gaessler; Juergen Schiemann; Georg Mallebrein; Volker Beuche; Stefan Reimer


Archive | 2001

Method for a cylinder-charge control in the case of an internal combustion engine

Hermann Gaessler; Udo Diehl; Karsten Mischker; Rainer Walter; Bernd Rosenau; Juergen Schiemann; Volker Beuche; Stefan Reimer


Archive | 1999

Fuel pump assembly

Bernd Rosenau; Gerd Loesch; Markus Rueckle


Archive | 1999

Quantity regulating valve for controlling liquids

Bernd Rosenau


Archive | 2001

Cylinder-charge control method in an internal combustion engine

Hermann Gaessler; Udo Diehl; Karsten Mischker; Rainer Walter; Bernd Rosenau; Juergen Schiemann; Volker Beuche; Stefan Reimer


Archive | 2001

Non-camshaft control of gas changing valve in an IC engine, has hydraulic working cylinder operating valve with feed line, control valve has integrated adjustable throttle for altering flow resistance to feed line

Hermann Gaessler; Udo Diehl; Karsten Mischker; Rainer Walter; Bernd Rosenau; Juergen Schiemann; Georg Mallebrein; Volker Beuche; Stefan Reimer


Archive | 2001

Pump for supplying a fuel injection system and for supplying a hydraulic valve controller for internal combustion engines

Hermann Gaessler; Udo Diehl; Karsten Mischker; Rainer Walter; Bernd Rosenau; Juergen Schiemann; Georg Mallebrein; Volker Beuche; Stefan Reimer

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