Desmodromic Valve Train

This Demonstration shows a schematic animation of the desmodromic valve train of the 1954 W196 Mercedes Benz Grand Prix car superimposed on its patent illustration. The positive binding (Greek: desmos) of the valve's path (Greek: dromos) between opening and closing cams distinguishes this train from the conventional one that positions the path between an opening cam and a closing spring.


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J. Gassmann, et al., "Valve Control Mechanism, Particularly for High Speed Internal Combustion Engines," United States Patent #2,814,283.
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