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    • 8. 发明申请
    • CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE
    • 用于内燃机的气缸盖
    • US20080308050A1
    • 2008-12-18
    • US12138902
    • 2008-06-13
    • Kai Sebastian KuhlbachJan MehringMartin LutzJens DunstheimerChristoph HolbachMarkus Hermanns
    • Kai Sebastian KuhlbachJan MehringMartin LutzJens DunstheimerChristoph HolbachMarkus Hermanns
    • F02F1/36
    • F02F1/243F02F1/40F02F1/4264
    • The invention relates to a cylinder head (1) which, at an assembly end-side (9), can be connected to a cylinder block, having a coolant jacket (2), which is at least partially integrated in the cylinder head (1), for an internal combustion engine having at least two cylinders, in which each cylinder has at least one outlet opening (3a, 3b) for discharging the exhaust gases out of the cylinder, with an exhaust-gas line (4a, 4b) adjoining each outlet opening (3a, 3b), the exhaust-gas lines (4a, 4b) of the at least two cylinders merging within the cylinder head (1) to form a combined exhaust-gas line (6), and the coolant jacket (2) having a lower coolant jacket (2a), which is arranged between the exhaust-gas lines (4a, 4b, 5, 6) and the assembly end-side (9) of the cylinder head (1), and an upper coolant jacket (2b), which is arranged on that side of the exhaust-gas lines (4a, 4b, 5, 6) which is situated opposite the lower coolant jacket (2a). It is intended to provide a liquid-cooled cylinder head (1) of the generic type which has optimized cooling.Said object is achieved by means of a cylinder head (1) of the above-specified type which is characterized in that, at a distance from the exhaust-gas lines (4a, 4b, 5, 6), at least one connection (7) between the lower coolant jacket (2a) and the upper coolant jacket (2b) is provided in an outer wall (10), from which the combined exhaust-gas line (6) emerges, of the cylinder head (1), which connection (7) serves for the passage of coolant.
    • 本发明涉及一种气缸盖(1),其在组件端侧(9)处可连接到具有至少部分地集成在气缸盖(1)中的冷却剂套(2)的气缸体 ),用于具有至少两个气缸的内燃机,其中每个气缸具有至少一个出口开口(3a,3b),用于将废气排出气缸,排气管线(4a,4b)邻接 每个出口开口(3a,3b),所述至少两个气缸的排气管线(4a,4b)合并在气缸盖(1)内以形成组合排气管线(6),并且冷却剂套管 2)具有布置在排气管线(4a,4b,5,6)和气缸盖(1)的组件端侧(9)之间的下部冷却剂套(2a)和上部冷却剂 (2b),其布置在与下部冷却剂套(2a)相对的废气管线(4a,4b,5,6)的一侧。 旨在提供具有优化冷却的通用类型的液冷气缸盖(1)。 所述物体通过上述规定类型的气缸盖(1)实现,其特征在于,在与废气管线(4a,4b,5,6)一定距离处,至少一个连接(7 在下冷却剂套(2a)和上冷却剂套(2b)之间设置在气缸盖(1)中的组合排气管线(6)从该气缸盖(1)出来的外壁(10)中,该连接 (7)用于冷却剂通过。
    • 9. 发明授权
    • Light-metal piston for internal combustion engines
    • 轻型内燃机活塞
    • US5701803A
    • 1997-12-30
    • US737252
    • 1996-10-16
    • Martin Lutz
    • Martin Lutz
    • F02F3/02F16J1/04
    • F02F3/022
    • In order to improve the guidance of a light-metal piston for an internal combustion engine of a motor vehicle by obtaining a uniform behavior under different stresses of the pressure and/or counter pressure side of the piston skirt, the wall thickness of the piston skirt is made different in the region of its pressure and/or counterpressure regions from that in its other regions. In the pressure and counterpressure regions, there is a thickening on the inner side of the piston skirt which is gradually reduced from the lower edge of the skirt in a central plane in the piston length and pressure/counterpressure direction back to the normal thickness.
    • PCT No.PCT / DE95 / 00370 Sec。 371日期1996年10月16日第 102(e)日期1996年10月16日PCT 1995年3月16日PCT PCT。 WO95 / 29332 PCT出版物 日期1995年11月2日为了通过在活塞裙的压力和/或反压力侧的不同应力下获得均匀的行为来改善用于机动车辆的内燃机的轻金属活塞的引导, 活塞裙部的厚度在其压力和/或反压力区域与其它区域中的厚度不同。 在压力和反压力区域中,在活塞裙边的内侧上增厚,其在活塞长度和压力/反压力方向上的中心平面中从裙部的下边缘逐渐减小到正常厚度。