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architecture for compression ignition engines, in particolareutilizzabile on aircraft by tourism

机译:压缩点火发动机的体系结构,尤其是飞机在旅游业中的利用

摘要

The camshaft of the engine is located centrally and longitudinally in the crankcase, parallel to the crankshaft, and besides operating the valvegear, provides the drive for a fuel injection system of which the pump consists in a number of independent elements, one per cylinder, engaging directly with the camshaft at one end and connecting at the other with feed pipelines of identical length which are routed to injectors installed each with its nozzle end trained directly into the relative combustion chamber; formed in the piston crown, the chamber is designed with a cross-sectional profile of upturned omega shape, the effect of which being to create a rounded rim of smaller diameter than the remainder of the chamber, and with the base incorporating a centrally located bulge projecting back toward the head, a cavity of doughnut geometry materializes into which the fuel is injected directly.
机译:发动机的凸轮轴位于曲轴箱中央和纵向,平行于曲轴,并且除了操作气门机构外,还为燃油喷射系统提供驱动,该燃油喷射系统由多个独立的元件组成,每个气缸一个,啮合一端直接与凸轮轴相连,另一端与相同长度的进料管线相连,这些进给管线被路由到安装有喷头的喷油器,每个喷头的喷嘴端都经过训练直接进入相关燃烧室;腔室形成在活塞顶上,其横截面设计为向上的欧米茄形状,其作用是形成一个直径小于腔室其余部分的圆形边缘,底部带有一个位于中心的凸起向头部突出后,形成一个甜甜圈几何形状的空腔,燃料直接注入该空腔中。

著录项

  • 公开/公告号IT8903614D0

    专利类型

  • 公开/公告日1989-09-07

    原文格式PDF

  • 申请/专利权人 VM MOTORI S.P.A.;

    申请/专利号IT19890003614

  • 发明设计人 MARIO BRIGHIGNA;

    申请日1989-09-07

  • 分类号F02B;

  • 国家 IT

  • 入库时间 2022-08-22 06:37:19

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