METHOD FOR DETERMINING A FILLING DIFFERENCE IN CYLINDERS OF AN INTERNAL COMBUSTION ENGINE, OPERATING METHOD, AND CALCULATION UNIT
    21.
    发明申请
    METHOD FOR DETERMINING A FILLING DIFFERENCE IN CYLINDERS OF AN INTERNAL COMBUSTION ENGINE, OPERATING METHOD, AND CALCULATION UNIT 有权
    用于确定内燃机缸体的填充差异的方法,操作方法和计算单元

    公开(公告)号:US20130124069A1

    公开(公告)日:2013-05-16

    申请号:US13670668

    申请日:2012-11-07

    IPC分类号: F02D41/00

    摘要: In a method for determining a filling difference between at least two cylinders of an internal combustion engine, e.g., an Otto-cycle engine, a power output parameter contribution made available by the respective cylinder to a total power output parameter of the internal combustion engine is ascertained for each of the at least two cylinders for different fuel quantities, and an air inhomogeneity between the at least two cylinders is ascertained on the basis of the power output parameter contributions, ascertained for the different fuel quantities, of the at least two cylinders.

    摘要翻译: 在用于确定内燃机的至少两个气缸(例如奥托循环发动机)之间的填充差异的方法中,由相应汽缸可用的功率输出参数贡献与内燃机的总功率输出参数是 确定用于不同燃料量的至少两个气缸中的每一个,并且基于对于至少两个气缸的不同燃料量确定的功率输出参数贡献来确定至少两个气缸之间的空气不均匀性。

    Method for cylinder synchronization of an internal combustion engine
    22.
    发明授权
    Method for cylinder synchronization of an internal combustion engine 有权
    内燃机气缸同步方法

    公开(公告)号:US08272361B2

    公开(公告)日:2012-09-25

    申请号:US12444431

    申请日:2008-05-05

    IPC分类号: F02B3/00

    摘要: The aim of the invention is to optimize the running smoothness of an internal combustion engine. To achieve this aim, the individual cylinders are synchronized with respect to their torque contribution. According to the method, fuel is injected into the combustion chamber of a cylinder in at least one injection step, the at least one injection contributing to the torque of the internal combustion engine. Fuel is injected into the combustion chamber of the cylinder in a torque neutral manner by way of a secondary injection during a working stroke of the cylinder and the amount of fuel of the secondary injection us calculated in such a manner that the exhaust gas substantially corresponds to a stoichiometric air/fuel mixture.

    摘要翻译: 本发明的目的是优化内燃机的运行平稳度。 为了实现该目的,各个气缸相对于它们的转矩贡献是同步的。 根据该方法,在至少一个喷射步骤中将燃料喷射到气缸的燃烧室中,所述至少一个喷射有助于内燃机的转矩。 在气缸的工作行程期间,燃料通过二次喷射以扭矩中和的方式喷射到气缸的燃烧室中,并且二次喷射的燃料量以这样的方式计算,使得废气基本上对应于 化学计量空气/燃料混合物。

    Method for taking into account the outgassing of fuel from the engine oil of an internal combustion engine
    23.
    发明授权
    Method for taking into account the outgassing of fuel from the engine oil of an internal combustion engine 有权
    考虑到来自内燃机的发动机油的燃料的放气的方法

    公开(公告)号:US07712457B2

    公开(公告)日:2010-05-11

    申请号:US12203560

    申请日:2008-09-03

    IPC分类号: F02B25/06 F02D41/00

    摘要: The invention deals with a method for operating an internal combustion engine with engine oil as the lubricant and a fuel supply by means of direct injection, wherein an air number (lambda) of a fuel-air mixture supplied to the internal combustion engine is determined. Provision is made in the method according to the invention for the internal combustion engine to be transferred to an operating state with higher fuel consumption, when a low air number (lambda) is detected in driving conditions with a high percentage of fuel ingress from a crankcase ventilation system into the fuel-air mixture. By means of this increase in the fuel requirement, the fuel, which exited the engine oil into the intake air of the internal combustion engine, can be combusted; and an increase in the exhaust gas emissions by means of incompletely combusted fuel, in which typically hydrocarbons and carbon dioxide arise, can be avoided. In a warm-up phase of the internal combustion engine, the fuel, which ingressed into the engine oil, can thus likewise be combusted, even if under certain temperature-time conditions, particularly in the partial load operating mode and during idling, more fuel is present in the fuel-air mixture than is actually required for operating the internal combustion engine.

    摘要翻译: 本发明涉及一种用于通过直接喷射来操作具有发动机油作为润滑剂和燃料供应的内燃机的方法,其中确定供应到内燃机的燃料 - 空气混合物的空气数量(λ)。 在根据本发明的方法中,当在具有高百分比的来自曲轴箱的燃料进入的驾驶条件下检测到低空气量(λ)时,内燃机的方法被转移到具有较高燃料消耗的操作状态 通风系统进入燃油混合气。 通过这种燃料需求的增加,将发动机油排出到内燃机的进气中的燃料可以燃烧; 并且通过不完全燃烧的燃料(其中通常出现烃和二氧化碳)可以避免排放废气排放的增加。 在内燃机的预热阶段,即使在特定的温度 - 时间条件下,特别是在部分负荷运行模式下和在空转期间,进入发动机机油的燃料同样能够燃烧,更多的燃料 存在于燃料 - 空气混合物中比实际操作内燃机所需的混合物。

    METHOD FOR CYLINDER SYNCHRONIZATION OF AN INTERNAL COMBUSTION ENGINE
    24.
    发明申请
    METHOD FOR CYLINDER SYNCHRONIZATION OF AN INTERNAL COMBUSTION ENGINE 有权
    内燃机汽缸同步方法

    公开(公告)号:US20100031919A1

    公开(公告)日:2010-02-11

    申请号:US12444431

    申请日:2008-05-05

    IPC分类号: F02B3/00 F02D43/00 F01N3/10

    摘要: The aim of the invention is to optimize the running smoothness of an internal combustion engine. To achieve this aim, the individual cylinders are synchronized with respect to their torque contribution. According to the method, fuel is injected into the combustion chamber of a cylinder in at least one injection step, the at least one injection contributing to the torque of the internal combustion engine. Fuel is injected into the combustion chamber of the cylinder in a torque neutral manner by way of a secondary injection during a working stroke of the cylinder and the amount of fuel of the secondary injection us calculated in such a manner that the exhaust gas substantially corresponds to a stoichiometric air/fuel mixture.

    摘要翻译: 本发明的目的是优化内燃机的运行平稳性。 为了实现该目的,各个气缸相对于它们的转矩贡献是同步的。 根据该方法,在至少一个喷射步骤中将燃料喷射到气缸的燃烧室中,所述至少一个喷射有助于内燃机的转矩。 在气缸的工作行程期间,燃料通过二次喷射以扭矩中和的方式喷射到气缸的燃烧室中,并且二次喷射的燃料量以这样的方式计算,使得废气基本上对应于 化学计量空气/燃料混合物。

    METHOD AND DEVICE FOR CONTROLLING THE EXHAUST GAS RECIRCULATION RATE FOR INTERNAL COMBUSTION ENGINES DURING LEAN OPERATION
    29.
    发明申请
    METHOD AND DEVICE FOR CONTROLLING THE EXHAUST GAS RECIRCULATION RATE FOR INTERNAL COMBUSTION ENGINES DURING LEAN OPERATION 有权
    用于控制雷达运行期间内燃机的排气重燃速率的方法和装置

    公开(公告)号:US20130068197A1

    公开(公告)日:2013-03-21

    申请号:US13637175

    申请日:2011-03-16

    IPC分类号: F02P5/04

    摘要: A method for setting an exhaust gas recirculation rate in an engine system having an internal combustion engine, the exhaust gas recirculation rate indicating the portion of the exhaust gas recirculated into one cylinder of the internal combustion engine with regard to the total gas quantity present in the cylinder, including: operating the internal combustion engine according to an input for the exhaust gas recirculation rate, an ignition of an air/fuel mixture being carried out in the cylinder at a certain ignition timing; adjusting the ignition timing in the cylinder of the internal combustion engine; correcting the input for the exhaust gas recirculation rate as a function of a change in an operating behavior of the internal combustion engine due to the ignition timing adjustment.

    摘要翻译: 一种用于在具有内燃机的发动机系统中设定废气再循环速率的方法,所述废气再循环率指示所述内燃机的一个气缸中的排气的一部分相对于存在于所述内燃机中的总气体量 包括:根据用于废气再循环速率的输入来操作内燃机,在一定的点火时刻在气缸中进行空气/燃料混合物的点火; 调整内燃机的汽缸内的点火正时; 根据点火正时调整来校正排气再循环速率的输入作为内燃机的操作特性变化的函数。

    Method for operating an internal combustion engine
    30.
    发明授权
    Method for operating an internal combustion engine 有权
    操作内燃机的方法

    公开(公告)号:US08181625B2

    公开(公告)日:2012-05-22

    申请号:US12225843

    申请日:2007-03-15

    IPC分类号: F02B17/00

    摘要: In an internal combustion engine, fuel is directly injected into at least one combustion chamber at least during a compression stroke in such a way that a stratified mixture is present in the combustion chamber. This mixture is then externally ignited. The fuel is introduced during the compression stroke by at least one main injection and an ignition injection, the ignition injection taking place immediately before an ignition and producing at least essentially no torque.

    摘要翻译: 在内燃机中,燃料至少在压缩冲程期间直接喷射到至少一个燃烧室中,使得分层混合物存在于燃烧室中。 然后将该混合物外部点燃。 燃料在压缩冲程期间通过至少一个主喷射和点火喷射引入,点火喷射在紧接点火之前发生,并至少产生基本上没有扭矩。