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高压直喷系统(High-pressureinjection,HPI)是Scania和Cummins2家公司共同研制出的一种高科技柴油发动机喷射装置。该装置生产厂设在美国,目前Scania公司所有排量为12 L的发动机、Cummins排量为15 L的ISX发动机上都安装了该装置。HPI实际上是一种电控油泵喷嘴系统,这与以前的用
High-pressure direct injection system (High-pressureinjection, HPI) is Scania and Cummins2 companies jointly developed a high-tech diesel engine injection device. The plant is based in the United States and is currently installed on Scania’s 12-liter engine and 15-liter Cummins ISX engines. HPI is actually an electrically controlled oil pump nozzle system, which is used in the past