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Cylinder deactivation for valve trains with roller finger follower

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  • Valve Gear
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Abstract

Cylinder deactivation increases efficiency of gasoline engines without negative effects in terms of exhaust gas emissions or driving dynamics. In particular, the advantageous cost/benefit ratio and great affinity to technologies currently used in gasoline engines support cylinder deactivation as the right path in meeting future market demands. The design and function of cylinder deactivation for valve trains with roller finger follower will be explained and examined with regard to functional aspects, such as stiffness, mass, and kinematic behavior. Based on initial results, design and production characteristics of this new technology are evaluated and technical control interactions in engine applications are presented by Mahle.

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Authors and Affiliations

  1. Mahle International GmbH, Stuttgart, Germany

    Hermann Hoffmann (Head of Design and Supervisor for Variable Valve Train Technology),  Adam Loch (Project Leader in Research and Advanced Engineering) &  Richard Widmann (Design Engineer in Research and Advanced Engineering)

  2. FEV Motorentechnik GmbH, Aachen, Germany

    Gerhard Kreusen (Project Engineer CAE in the Dynamics Department and Project Team Leader),  Daniel Meehsen (Project Engineer in the Mechanics and Test Department) &  Martin Rebbert (Leader of the Dynamics Department)

Authors
  1. Hermann Hoffmann
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  2. Adam Loch
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  3. Richard Widmann
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  4. Gerhard Kreusen
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  5. Daniel Meehsen
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  6. Martin Rebbert
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Hoffmann, H., Loch, A., Widmann, R. et al. Cylinder deactivation for valve trains with roller finger follower. MTZ Worldw 70, 26–30 (2009). https://doi.org/10.1007/BF03226942

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  • DOI: https://doi.org/10.1007/BF03226942

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