Patent ID: 6732685
Filing Date: 2004-05-11
Classification: F01L,F02B,Y02T

Abstract:
An engine valve assembly, comprising:a valve seat; an engine valve element adapted to move relative to the valve seat between an open position and a closed position; a mechanically driven actuator being adapted to move the valve element to the open position; and a fluidically driven actuator being adapted to hold the valve element in the open position, the fluidically driven actuator including an actuator piston reciprocatingly disposed in an actuator cylinder, the actuator piston having a rod operatively associated therewith and being adapted to move the rod and maintain the engine valve element in the open position, the actuator cylinder being in fluid communication with a source of pressurized fluid, the source of pressurized fluid being a lubricational system of the internal combustion engine and having a magnitude of pressure less than 100 pounds per square inch.