公开(公告)号：EP1419314B1

公开(公告)日：2007-06-06

申请号：EP02748600.0

申请日：2002-06-19

申请人： ROBERT BOSCH GMBH

发明人： LIEDTKE, Dieter ,  HOCH, Alfred ,  WOLF, Franz

IPC分类号： F02M61/16 ,  C23C8/22

CPC分类号： F02M61/168 ,  C23C8/22 ,  F02M61/166 ,  F02M2200/9061

摘要： The invention relates to a fuel injection valve for internal combustion engines, comprising a valve body (1) and at least one injection opening (11), provided therein. Fuel can be injected through said opening into the combustion chamber of the internal combustion engine in a controlled manner by a valve needle (5) which cooperates with a valve seat (9), provided in the valve body (1). Said valve body (1) is composed of a high-alloy hot-work steel, hardened by a carburizing method.

公开(公告)号：EP1419314A1

公开(公告)日：2004-05-19

申请号：EP02748600.0

申请日：2002-06-19

申请人： ROBERT BOSCH GMBH

发明人： LIEDTKE, Dieter ,  HOCH, Alfred ,  WOLF, Franz

IPC分类号： F02M61/16 ,  C23C8/22

CPC分类号： F02M61/168 ,  C23C8/22 ,  F02M61/166 ,  F02M2200/9061

摘要： The invention relates to a fuel injection valve for internal combustion engines, comprising a valve body (1) and at least one injection opening (11), provided therein. Fuel can be injected through said opening into the combustion chamber of the internal combustion engine in a controlled manner by a valve needle (5) which cooperates with a valve seat (9), provided in the valve body (1). Said valve body (1) is composed of a high-alloy hot-work steel, hardened by a carburizing method.