Patent ID: 7299776
Filing Date: 2007-11-27
Classification: F01L

Abstract:
1. A valve assembly for an internal combustion engine, comprising: a support member for securing the valve assembly to the engine; two or more valves, each valve including a valve stem; a closing actuator pivotally connected to the support member and operably connected to said valves, said closing actuator adapted to pivot and close said valves upon contact with a closing lobe of a camshaft for closing; two or more opening actuators mounted on a shaft that extends through said support member and operably connected to said valves, each opening actuator adapted to open at least one of said valves upon contact with an opening lobe of the camshaft; a linkage connected to the closing actuator; a valve stem holder for supporting valve stems of said valves; a bracket to support two or more valve stem holders; a rod secured to and extending from said linkage, passing through the bracket of the valve stem holder and terminating in a stop; and one or more Belleville spring washers interposed between said stop and said bracket, said Belleville spring washers allowing for an adjustment of a sealing load on said valve stems when the respective valves are closed and further facilitating a transition of said valves between an open position and a closed position.