Direct injection internal combustion engine
    3.
    发明授权
    Direct injection internal combustion engine 失效
    直喷式内燃机

    公开(公告)号:US06378490B1

    公开(公告)日:2002-04-30

    申请号:US09641127

    申请日:2000-08-16

    IPC分类号: F02B500

    摘要: The invention relates to an internal combustion engine with direct fuel injection comprising at least two adjacent inlet valves (1) per cylinder, a number of outlet valves (2), an essentially coaxial spark plug (3), an injection valve (4) and a piston (5,5′). The aim of the inventive engine is to provide an improved mixture preparation which is characterized by low fuel consumption and low exhaust emissions. To this end, the injection valve (4) is arranged between two of the adjacent inlet valves (1) and the section of the cylinder wall adjacent to said inlet valves (1). in addition, the piston (5,5′) has a longitudinally extended combustion chamber cavity (6), whereby the combustion chamber cavity (6) essentially extends along the front surface of the piston (5,5′) in the direction of the vertical projection of an injection stream (E) exiting from the injection valve (4). Said cavity also comprises a step (7) which essentially runs in a transversal direction.

    摘要翻译: 本发明涉及一种具有直接燃料喷射的内燃机,其包括每个气缸至少两个相邻的入口阀(1),多个出口阀(2),基本上同轴的火花塞(3),喷射阀(4)和 活塞(5,5')。 本发明引擎的目的是提供一种改进的混合物制备,其特征在于低燃料消耗和低废气排放。 为此,喷射阀(4)布置在两个相邻的入口阀(1)和与所述入口阀(1)相邻的气缸壁的部分之间。 此外,活塞(5,5')具有纵向延伸的燃烧室腔(6),由此燃烧室腔(6)基本上沿着活塞(5,5')的前表面沿着 从喷射阀(4)排出的喷射流(E)的垂直投影。 所述空腔还包括基本上沿横向延伸的台阶(7)。

    Direct injection internal combustion engine
    4.
    发明授权
    Direct injection internal combustion engine 有权
    直喷式内燃机

    公开(公告)号:US06571764B1

    公开(公告)日:2003-06-03

    申请号:US09857508

    申请日:2001-06-02

    IPC分类号: F02B500

    摘要: In a direct injection internal combustion engine having per cylinder at least two intake valves 1 mounted side by side, at least one exhaust valve 2, a more or less coaxial ignition device 3, an injection valve 4, and a piston 5 with combustion chamber trough 6, the injection valve 4 being mounted on the intake side, improved mixture preparation and combustion characterized by low fuel consumption and low exhaust emissions are achieved by mounting,the center of the combustion chamber trough 6 in the piston 5 noticeably displaced relative to the axis of the cylinder in the direction of at least one exhaust valve 2, and are achieved in that the boundary wall 7 of the combustion chamber trough 6 extends in projection along the axis of the cylinder between the ignition device 3 and injection valve 4.

    摘要翻译: 在具有每个气缸的直喷式内燃机中,并排安装有至少两个进气门1,至少一个排气门2,或多或少的同轴点火装置3,喷射阀4和具有燃烧室槽的活塞5 如图6所示,喷射阀4安装在进气侧,改进的混合物制备和燃烧特征在于低燃料消耗和低废气排放,通过安装,活塞5中的燃烧室槽6的中心相对于轴线显着地移位 在气缸的至少一个排气门2的方向上,燃烧室6的边界壁7沿点火装置3和喷射阀4之间的气缸的轴线突出地延伸。