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    • 8. 发明申请
    • Supercharged internal combustion engine
    • 增压内燃机
    • US20060059909A1
    • 2006-03-23
    • US11232531
    • 2005-09-22
    • Uwe SpaederNorbert SchornHelmut KindlRob Stalman
    • Uwe SpaederNorbert SchornHelmut KindlRob Stalman
    • F02B29/04F02D23/00
    • F02D9/04F01N13/107F02B29/0406F02B37/007F02B37/16F02B37/18F02B37/24F02D9/02F02M26/08F02M26/23F02M26/43Y02T10/14Y02T10/144
    • The invention relates to a method of operating a supercharged internal combustion engine with which high exhaust-gas recirculation rates and high charge pressures within all the load ranges, in particular within the part-load range, can be realized at the same time. This is achieved by an internal combustion engine internal combustion engine having at least two cylinders which are configured in such a way that they form two groups with in each case at least one cylinder, and both cylinder groups are each equipped with a separate exhaust-gas line, and both exhaust-gas lines are connected to one another, and having two exhaust-gas turbochargers connected in parallel, a first turbine of a first exhaust-gas turbocharger being arranged in the exhaust-gas line of the first cylinder group, and a second turbine of a second exhaust-gas turbocharger being arranged in the exhaust-gas line of the second cylinder group, and the compressors assigned to these turbines being arranged in separate intake lines which converge downstream of the compressors to form a combined intake line and serve to supply the internal combustion engine with fresh air or fresh mixture. Further, there is provided a line for the exhaust-gas recirculation, this line branching off upstream of one of the two turbines from the exhaust-gas line assigned to this turbine and opening into the combined intake line, and wherein there are provided means with which the magnitude of the exhaust-gas mass flow passed through one of the two turbines can be controlled, so that this turbine functions as selectable turbine.
    • 本发明涉及一种操作增压内燃机的方法,其中可以同时实现在所有负载范围内,特别是部分负载范围内的高废气再循环速率和高充气压力。 这通过具有至少两个气缸的内燃机内燃机来实现,所述至少两个气缸以这样的方式构造,使得它们形成两组,每种情况下至少有一个气缸,并且两个气缸组各自装备有单独的废气 并且两个废气管路彼此连接,并且并联连接两个废气涡轮增压器,第一排气涡轮增压器的第一涡轮机布置在第一气缸组的排气管线中,以及 第二排气涡轮增压器的第二涡轮机布置在第二气缸组的废气管线中,并且分配给这些涡轮机的压缩机布置在分离的进气管线中,该进气管线在压缩机的下游会聚以形成组合的进气管线和 用于为内燃机提供新鲜空气或新鲜混合物。 此外,提供了排气再循环的管线,该管线从分配给该涡轮机的排气管线分配到两个涡轮机中的一个的上游并且进入组合进气管线,并且其中设置有 其中可以控制通过两个涡轮机中的一个的废气质量流的大小,使得该涡轮机用作可选涡轮机。