variable liftの例文

例文

1. Mechanical variable lift and duration systems, however, although more complex than a standard valvetrain, are cheaper and less complicated.
2. A helical camshaft cannot do very short durations or variable lift . Many companies and manufacturers have made it appear that it is something of a virtue that their particular VVA system produces very short durations and the linked low valve lift as they really have had no choice.
3. Fiat was the first auto manufacturer to patent a functional automotive variable valve timing system which included variable lift . Developed by Giovanni Torazza in the late 1960s, the system used hydraulic pressure to vary the fulcrum of the cam followers ( US Patent 3, 641, 988 ).