专利名称：Valve mechanism for an internal combustion
engine
发明人：Nils-Olof Håkansson申请号：US08/569157申请日：19951222公开号：US05603292A公开日：19970218
摘要：Valve mechanism in an internal combustion engine, comprising at least oneintake valve and at least one exhaust valve in each cylinder. For each cylinder there are atleast two rocker arms journalled on a rocker arm shaft for operating a respective one ofthe valves. A transmission (15,17,18) selectively moves the exhaust valve (5) from a closedposition toward an open position during the engine intake stroke to draw exhaust intothe cylinder (30) during the intake stroke.
申请人：AB VOLVO
代理机构：Young & Thompson
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