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专利名称：Method and apparatus for optimized
combustion in an internal combustion engineutilizing homogeneous charge compressionignition and variable valve actuation
发明人：Mark C. Sellnau,Philip J. G. Dingle申请号：US11027109申请日：20041230公开号：US07308872B2公开日：20071218
专利附图：
摘要：A valvetrain system mechanization for an internal combustion engine using
compression ignition, including homogeneous charge compression ignition, having twointake and one or more exhaust valves per cylinder. The valves are operated by dualoverhead camshafts having two-step cams. The intake and exhaust camshafts areprovided with phasers for varying the opening and closing of the intake and exhaustvalves. A two-step roller finger follower is disposed for each valve between the camlobes and the valve stem. The two sets of intake and exhaust valves are controlled byseparate oil control valves. Swirl of gases may be introduced by mismatching the lifts ofthe valves. The valve opening times, closing times, lifts, fuel injection, compression ratio,and exhaust gas recirculation may be varied to optimize combustion conditions for arange of engine operating modes.
申请人：Mark C. Sellnau,Philip J. G. Dingle
地址：Bloomfield Hills MI US,Rochester MI US
国籍：US,US
代理人：Paul L. Marshall
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