专利名称：Injection pump with preinjection发明人：Manfred Hoecker申请号：US07/204594申请日：19880609公开号：US04881506A公开日：191121
摘要：The injection pump provides preinjection only during engine idling and partialload. This is achieved by providing a main release opening and an auxiliary releaseopening in the pump cylinder which appropriately register with first and second releasegrooves in a pump plunger which is rotatable between full load and low idle positions.
申请人：KLOECKNER-HUMBOLDT-DEUTZ AG
代理人：Charles L. Schwab
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