Development of an Engine Management Strategy and a Cost Effective Catalyst System to Meet SULEV Emission Requirements Demonstrated on a V-6 Engine

Heiko Oertel; Oliver Wildner; Klaus Mueller-Haas; Manuel Presti

doi:10.4271/2004-01-1490

2004-03-08

Development of an Engine Management Strategy and a Cost Effective Catalyst System to Meet SULEV Emission Requirements Demonstrated on a V-6 Engine 2004-01-1490

The study presented in this paper focuses on measures to minimize exhaust gas emissions to meet SULEV targets on a V6 engine by using a cost efficient system configuration.

The study consists of three parts.

A)
In the first stage, the influence of engine management both on raw emissions and catalyst light off performance was optimized.
B)
Afterwards, the predefined high cell density catalyst system was tested on an engine test bench. In this stage, thermal data and engine out emissions were used for modeling and prediction of light-off performance for further optimized catalyst concepts.
C)
In the final stage of the program, the emission performance of the test matrix, including high cell density as well as multifunctional single substrate systems, are studied during the FTP cycle.

The presented results show the approach to achieve SULEV emission compliance with innovative engine control strategies in combination with a cost effective metallic catalyst design.

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Development of an Engine Management Strategy and a Cost Effective Catalyst System to Meet SULEV Emission Requirements Demonstrated on a V-6 Engine 2004-01-1490

SAE MOBILUS