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1. 发明公开

KR20070078977A FUEL INJECTOR 审中-公开
标题翻译：喷油器
公开(公告)号：KR20070078977A
公开(公告)日：2007-08-03
申请号：KR20070004713
申请日：2007-01-16
申请人： MAN B & W DIESEL AG
发明人： MARQUARD RALF , MEGGENRIEDER GERTRUD , PINKERNELL DIETMAR , STICHNOTH ANDREAS , VOGEL CHRISTIAN
IPC分类号： F02M61/18 , F02M61/16
CPC分类号： F02M61/14 , F02M61/18
摘要： A fuel injector is provided to reduce abrasion and pollution by suppressing influence of a high temperature cylinder combustion chamber to a nozzle cap during operation of an engine to a level of a water-cooling injection nozzle without requiring complex water cooling. A fuel injector includes a pipe type nozzle body(2) which has a longitudinal shaft in which a nozzle needle(3) is guided and at least one injection hole formed at a nozzle cap(7) in order to inject a fuel into a combustion chamber of a cylinder of an internal combustion engine. A peripheral surface(10) of the nozzle body gets thinner toward the combustion chamber. A transverse cross section of the nozzle body is increased from the nozzle cap to a collar(12) of the nozzle body. A ratio of the combustion chamber side diameter of the nozzle and the diameter of the cylinder of the internal combustion engine is 0.08 to 0.11.
摘要翻译：提供一种燃料喷射器，用于通过在发动机运转期间抑制高温气缸燃烧室对喷嘴盖的影响而减少磨损和污染，而不需要复杂的水冷却。燃料喷射器包括管型喷嘴体（2），其具有引导喷嘴针（3）的纵向轴和在喷嘴帽（7）处形成的至少一个喷射孔，以便将燃料喷射到燃烧内燃机气缸室。喷嘴体的周面（10）朝向燃烧室变薄。喷嘴体的横截面从喷嘴盖增加到喷嘴体的轴环（12）。喷嘴的燃烧室侧直径与内燃机的气缸直径之比为0.08〜0.11。

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