OIL CIRCUIT OF A VARIABLE VALVE TIMING DEVICE, CAPABLE OF DRIVING A CONTINUOUSLY VARIABLE VALVE TIMING DEVICE WITHOUT TIME INTERVALS

摘要

PURPOSE: An oil circuit of a variable valve timing device is provided for a chain tension controller to appropriately control the tension of a belt or a chain by engaging with a crank which is driven by a cam shaft.;CONSTITUTION: An oil circuit of a variable valve timing device comprises a main oil path(230) and a control oil path(280). The main oil path is formed from the cylinder block to the cylinder head. The oil provided from the main gallery is provided to a cam shaft(220) through a main oil path. The control oil path is branched from the cylinder block to the main oil path. The oil supplied to the main oil path is provided to the variable valve timing device through the control oil path.;COPYRIGHT KIPO 2010