Transactions of Society of Automotive Engineers of Japan
Online ISSN : 1883-0811
Print ISSN : 0287-8321
ISSN-L : 0287-8321
Research Paper
Development of a Multiple-link Variable Valve Event and Lift (VVEL) System
Shinichi TakemuraShunichi AoyamaSeinosuke HaraMakoto Nakamura
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JOURNAL FREE ACCESS

2008 Volume 39 Issue 3 Pages 3_113-3_118

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Abstract
The VVEL system has the valve lift characteristics unique to a multiple-link mechanism. It provides large valve lift in the high-speed range combined with low friction at low engine speeds. This paper describes the structural features of the multiple-link valve mechanism that achieve such characteristics as well as the various performance levels attained with the VVEL system.
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© 2008 Society of Automotive Engineers of Japan, Inc.
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