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1.发明申请公开(公告)号：US20200080471A1
公开(公告)日：2020-03-12
申请号：US16687006
申请日：2019-11-18
发明人： Günther Schmidt , Ralf Speetzen
IPC分类号： F02B39/04 , F02B75/02 , F02B25/14 , F02B63/06 , F02B39/12 , F02B41/10 , F02B69/06 , F02D23/00 , F01N5/04
摘要： A method for operating an internal combustion engine, device, and an internal combustion engine including a motor which has a crankshaft. A charge air flow is supplied to the motor that is compressed by means of a compressor via a second rotational movement, and a power turbine for producing a first rotational movement is acted on by an exhaust gas flow discharged from the motor. The following steps are provided: in a first operating mode, operating the internal combustion engine in four-stroke operation, and in a second operating mode, operating the internal combustion engine in two-stroke operation. The crankshaft can be driven by the power turbine via the first rotational movement, and the compressor can be driven by the crankshaft via the second rotational movement, wherein the second rotational movement for the compressor can be set differently from the first rotational movement of the power turbine.
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公开(公告)号：US11073079B2
公开(公告)日：2021-07-27
申请号：US16686719
申请日：2019-11-18
发明人： Günther Schmidt , Ralf Speetzen
摘要： A method for operating an internal combustion engine having an engine with a first number of cylinders and a second number of cylinders and a supercharger arrangement, wherein a charge air flow supplied to the engine is compressed by means of at least one compressor and at least one turbine is acted on by an exhaust gas flow discharged from the engine. In a main operating mode, the engine operates the first number of cylinders in two-stroke operation and the second number of cylinders in four-stroke operation. A scavenging gradient of the engine is greater for the cylinders operated in the two-stroke operation than for the cylinders operated in the four-stroke operation.
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公开(公告)号：US20200158013A1
公开(公告)日：2020-05-21
申请号：US16686719
申请日：2019-11-18
发明人： Günther Schmidt , Ralf Speetzen
摘要： A method for operating an internal combustion engine having an engine with a first number of cylinders and a second number of cylinders and a supercharger arrangement, wherein a charge air flow supplied to the engine is compressed by means of at least one compressor and at least one turbine is acted on by an exhaust gas flow discharged from the engine. In a main operating mode, the engine operates the first number of cylinders in two-stroke operation and the second number of cylinders in four-stroke operation. A scavenging gradient of the engine is greater for the cylinders operated in the two-stroke operation than for the cylinders operated in the four-stroke operation.
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4.发明申请METHOD FOR CALCULATING ENGINE CHARACTERISTIC VARIABLES, DATA PROCESSING SYSTEM AND COMPUTER PROGRAM PRODUCT 审中-公开计算发动机特征变量的方法，数据处理系统和计算机程序产品公开(公告)号：US20150234953A1
公开(公告)日：2015-08-20
申请号：US14428562
申请日：2013-09-06
发明人： Ralf Speetzen , Yvan Bronner
CPC分类号： G06F17/5009 , F02D41/2406 , F02D2041/1433 , G06F17/10
摘要： A method for calculating engine characteristic variables of an internal combustion engine having the following steps: determination of an alternative injection profile in a first curve form which is described by interpolation points, by the interpolation points being calculated from at least one first engine characteristic variable; and determination of an alternative combustion profile in a second curve form which is described by interpolation points, by at least one interpolation point being calculated from the alternative injection profile and at least one second engine characteristic variable.
摘要翻译： 一种用于计算内燃机的发动机特性变量的方法，具有以下步骤：通过由至少一个第一发动机特性变量计算的内插点来确定由插补点描述的第一曲线形式的替代喷射轮廓; 以及通过至少一个内插点由替代喷射轮廓和至少一个第二发动机特征变量计算的由插补点描述的第二曲线形式的替代燃烧轮廓的确定。
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