137495 ⎘
Methods of operation using a variable valve timing mechanism Timing control at idling
Advance locked spool valve pump phaser with hydraulic detent valve
#2Method for controlling of valve timing of continuous variable valve duration engine
#3System and method for controlling valve timing of continuous variable valve duration engine
#4Control method for CVVL engine
#5Apparatus for the variable setting of control times of gas-exchange valves of an internal combustion engine