Patent ID: 7753014
Filing Date: 2010-07-13
Classification: F01L,Y10T

Abstract:
1. An actuator for operation of an internal combustion reciprocating engine gas exchange poppet valve, comprising: a linear acting hydraulic cylinder arranged to actuate said gas exchange poppet valve; a rotary valve for directing hydraulic fluid pressure and flow into and out of said linear acting hydraulic cylinder; ports and means of passage in said rotary valve for conveying said hydraulic fluid flow; an electric motor for driving said rotary control valve; a housing for containing said linear acting hydraulic cylinder, said rotary valve and said electric motor; ports and means of passage in said housing for conveying hydraulic pressure and flow in and out of said actuator and to and from said rotary valve; an electrical connector in said housing for conducting electrical power and electronic signals in an out of said housing; and, a means of mounting said housing adapted to affect the actuation of said internal combustion reciprocating engine gas exchange valve.