CONTINUOUSLY VARIABLE VALVE LIFT DEVICE FOR A VEHICLE CAPABLE OF IMPROVING FUEL EFFICIENCY BY REDUCTION IN PUMPING LOSS

摘要

PURPOSE: A continuously variable valve lift device for a vehicle is provided to reduce manufacturing costs by the removal of an exhaust CVVT.;CONSTITUTION: A continuously variable valve lift device for a vehicle comprises a drive shaft(10), a rocker-arm shaft(30), an output cam(45), and a variable drive unit(50). The drive shaft engages with the crank shaft. The drive shaft has a drive cam(11) on the outer circumference thereof. The rocker-arm shaft is separated from the drive shaft. One end of the rocker-arm shaft engages with the drive cam and supports a rocker arm(40). The output cam is installed in the drive shaft to be rotatable and engages with the other end of the rocker arm.;COPYRIGHT KIPO 2011