Patent ID: 7066159
Filing Date: 2006-06-27
Classification: F01L,F02D,F02M

Abstract:
1. A system of actuating one or more engine valves in an internal combustion engine to produce an engine valve event, said system comprising: a housing; an accumulator disposed in said housing having a first end and a second end; a master piston slidably disposed in a first bore formed in said housing; means for imparting motion to the master piston; a slave piston slidably disposed in a second bore formed in said housing said slave piston being adapted to actuate an engine valve; a hydraulic passage connecting the master piston and the slave piston and the accumulator; means for selectively supplying hydraulic fluid to the hydraulic passage; and means for selectively applying hydraulic fluid pressure to at least one of the first end and the second end of the accumulator.