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    • 24. 发明授权
    • Method of operationally testing an exhaust gas turbocharger having a variable turbine geometry
    • 具有可变涡轮几何形状的废气涡轮增压器的操作测试方法
    • US06250145B1
    • 2001-06-26
    • US09377689
    • 1999-08-20
    • Martin HonoldErwin SchmidtSiegfried Sumser
    • Martin HonoldErwin SchmidtSiegfried Sumser
    • G01M1500
    • F02B39/16
    • In the case of a method for operationally testing an exhaust gas turbocharger with a variable turbine geometry, actual values are detected of operating quantities which influence the operational capability of the exhaust gas turbocharger and which comprise main quantities which are used for deciding whether a fault exists in the exhaust gas turbocharger, as well as auxiliary quantities which describe a component of the exhaust gas turbocharger and are used for identifying faults in this component. In a first step, for fault detection, a quantity is measured as the main quantity which determines the engine air supply. In a second step, at least one auxiliary quantity is measured for the fault identification and, in the event of an unacceptable deviation of the actual auxiliary quantity value from the desired auxiliary quantity value, a fault signal is generated.
    • 在用于操作性地测试具有可变涡轮机几何形状的排气涡轮增压器的方法的情况下,检测影响排气涡轮增压器的操作能力的操作量的实际值,其包括用于确定故障是否存在的主要量 在废气涡轮增压器中,以及描述排气涡轮增压器的组件并用于识别该部件中的故障的辅助量。 第一步,为了进行故障检测,将量作为确定发动机供气的主要量。 在第二步骤中,为故障识别测量至少一个辅助量,并且在实际辅助量值与所需辅助量值不可接受的偏差的情况下,产生故障信号。
    • 26. 发明授权
    • Piston for an internal combustion engine
    • 内燃机活塞
    • US6164249A
    • 2000-12-26
    • US267417
    • 1999-03-12
    • Martin HonoldErwin SchmidtSiegfried Sumser
    • Martin HonoldErwin SchmidtSiegfried Sumser
    • F02F3/22F01P1/04
    • F02F3/22
    • In a piston for an internal combustion engine, which includes in its top an annular cooling oil passage which, at one side of the piston, is in communication with a cooling oil supply passage extending axially through the piston and has a bottom opening through which cooling oil is supplied by an injection nozzle, and, opposite the cooling oil supply passage, a cooling oil return passage in communication with the annular cooling oil passage for removing the cooling oil therefrom, at least the cooling oil supply passage includes cooling oil retaining pockets which retain, during outward movement of the piston, part of the cooling oil supplied to the cooling oil supply passage and from which the retained cooling oil is dislodged and moved to the annular cooling oil passage during inward movement of the piston.
    • 在用于内燃机的活塞中,其内部包括环形冷却油通道,该通道在活塞的一侧与轴向延伸穿过活塞的冷却油供应通道连通,并且具有底部开口,通过该底部开口 油由注射喷嘴供给,与冷却油供给通道相对的是与环形冷却油通路连通的冷却油返回通路,用于从其中除去冷却油,至少冷却油供给通道包括冷却油保持袋, 在活塞的向外运动期间,保持供应到冷却油供应通道的冷却油的一部分,并且保持的冷却油在活塞的向内运动期间被移除并移动到环形冷却油通道。