Potential of Valve Train Variability in Passenger Car Diesel Engines
Variable valve control systems are state-of-the-art technology in today's gasoline engines, although their application in diesel engines has also become the focus of recent studies. These systems offer one possibility of resolving the conflict of objectives between a further reduction in engine-out emissions and an improvement in fuel efficiency. Mahle has examined their potentials on the basis of the Cam-in-Cam variable camshaft for the intake valves.
Source: MTZ worldwide Issue no.: 2012-03
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