The new Renault V6 dCi diesel engine

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The new Renault V6 dCi diesel engine

Demazure, Christian / Aymard, Christophe / Brun, Eric / Lagadec, Jean-Pierre Le / Lussault, Denis / Reverseau, Denis / Rogez, Dominique

Abstract

Development of Diesel engine market has led to significant CO2 emission reduction. Customers are demanding for more driving pleasure and comfort. Renault and Nissan have decided to develop a new Diesel engine family in order to comply with future customer requirements and to prepare more stringent emission regulations. In addition to challenging targets for fuel consumption and emission, engine specifications were focused on performance and NVH in order to reach top class level. The ability to install the engine in vehicle, both in transversal and longitudinal position, was also part of packaging specifications that required very compact engine. The new V6 dCi engine derives from the 4 cylinders in-line 2.0 dCi launched in 2005. They share components and flexible manufacturing facilities. Nevertheless, the combustion chamber design has been optimized in order to improve the trade-off between emission levels and fuel efficiency. The design of the air system has been focused on low end torque and leads to maximum power of 175 kW and maximum torque of 550 Nm. Some major technical innovations such as a larger-proportioned and over-cooled EGR system, the introduction of a '7th injector' localized at the exhaust and the primary catalyst at the turbo-outflow allow the anticipation of the Euro5 emission level standard. Very low noise levels are the result of a joint optimization of powertrain engine base, injection and tuning strategies. The 'V6 dCi 235' will go in production at end 2008 and will first equip New Laguna Coupe.

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Dokumentinformationen

Titel :

The new Renault V6 dCi diesel engine

Weitere Titelangaben:

Der neue Renault V6 dCi Dieselmotor

Beteiligte:

Demazure, Christian (Autor:in) / Aymard, Christophe (Autor:in) / Brun, Eric (Autor:in) / Lagadec, Jean-Pierre Le (Autor:in) / Lussault, Denis (Autor:in) / Reverseau, Denis (Autor:in) / Rogez, Dominique (Autor:in)

Erschienen in:

Aachener Kolloquium für Fahrzeug- und Motorentechnik, 17, Aachen Colloquium Automobile and Engine Technology, 17 ; 73-97

Erscheinungsdatum :

2008

Format / Umfang :

25 Seiten, 29 Bilder

Medientyp :

Aufsatz (Konferenz)

Format :

Datenträger

Sprache :

Englisch