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公开(公告)号：EP1633970A1
公开(公告)日：2006-03-15
申请号：EP04739425.9
申请日：2004-05-28
发明人： PINKERNELL, Dietmar , MEGGENRIEDER, Gertrud , STICHNOTH, Andreas , KÖTHEN, Dirk , YALCIN, Hakan
IPC分类号： F02M53/04
CPC分类号： F02M53/043
摘要： Disclosed is a fuel injection nozzle comprising a cooling duct (6) that is disposed in the final region of a housing (1), which faces the combustion chamber. In order to cool the zones that are subjected to high thermal stress, the cooling duct (6) is positioned closer to the bore (2) of the valve needle than to the external face of the housing (1) and is provided with a cross-sectional area that has a width corresponding to no more than the height which extends in the axial direction of the nozzle.
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