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Technical Paper

Design Of SI Engines In Regard To Volume Production Beyond Year 2000

1999-03-01
1999-01-0327
The principal engine used in passenger cars is, and in the foreseeable future will be, the SI Engine. This paper summarizes AVL's experience in developing SI Engines for these vehicles. Special attention is given to the new targets of SI Engine development and the resulting design strategies during the concept phase of new engine families. The new modular concept of engine families includes a broad range of different engine designs like three to five cylinder inline and six to ten cylinder V-block engines, direct injection or fully variable valve actuation. It is shown that the design of central engine components, for example, that of the cylinder head, can be adapted for the different SI valve-train concepts by simply switching specific modular components.
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