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7 条记录 (耗时 0.014 秒)

    Method to control auto-ignition in an internal combustion engine equipped with variable valve timing control
    1.
    发明授权
    Method to control auto-ignition in an internal combustion engine equipped with variable valve timing control 有权
    在装有可变气门正时控制的内燃机中控制自动点火的方法

    公开(公告)号：US07131425B2

    公开(公告)日：2006-11-07

    申请号：US11103407

    申请日：2005-04-11

    申请人： Vijay Ramappan ,  Brian R. Lovegrove ,  Philip Allen Karau ,  Sergio Eduardo Garcia

    发明人： Vijay Ramappan ,  Brian R. Lovegrove ,  Philip Allen Karau ,  Sergio Eduardo Garcia

    IPC分类号： F02P5/05 ,  F02P5/00

    CPC分类号： F01L1/3442 ,  F01L2800/00 ,  F01L2810/04 ,  F02D13/0238 ,  F02D2041/001 ,  F02P5/1522 ,  G01L23/225 ,  Y02T10/18 ,  Y02T10/46

    摘要： A method and control system to accomplish knock control on a multi-cylinder spark-ignition internal combustion engine equipped variable cam phasing system, comprising monitoring cam position, crankshaft position, and, engine knock signal, determining cam position relative to crankshaft position, and implementing either a global cylinder knock control strategy or an individual cylinder knock control strategy, based upon whether the determined cam position relative to crankshaft position is near a default position, the determined cam position indicates the variable cam phasing system is operating in a transient mode, or, the determined cam position relative to crankshaft position is substantially different from the default position.

    摘要翻译： 一种用于对配有可变凸轮定相系统的多气缸火花点火内燃机进行爆震控制的方法和控制系统，包括监测凸轮位置，曲轴位置和发动机爆震信号，确定相对于曲轴位置的凸轮位置，以及实施 根据确定的相对于曲轴位置的凸轮位置是否接近默认位置，全局气缸爆震控制策略或单独气缸爆震控制策略，所确定的凸轮位置指示可变凸轮定相系统以瞬态模式运行，或 所确定的相对于曲轴位置的凸轮位置与默认位置基本不同。

    Method of determining rubbing friction torque in a motor vehicle powertrain
    2.
    发明授权
    Method of determining rubbing friction torque in a motor vehicle powertrain 失效
    确定汽车动力总成摩擦转矩的方法

    公开(公告)号：US06874360B1

    公开(公告)日：2005-04-05

    申请号：US10668383

    申请日：2003-09-23

    申请人： Krishnendu Kar ,  Sergio Eduardo Garcia

    发明人： Krishnendu Kar ,  Sergio Eduardo Garcia

    IPC分类号： G01L3/26 ,  G01M15/00

    CPC分类号： G01L3/26

    摘要： A method of determining the rubbing friction torque involves characterizing fuel cutoff engine deceleration, and calculating the rubbing friction torque for any combination of engine speed and powertrain temperature is calculated in accordance with a base point rubbing friction torque RFTbase determined at a base powertrain temperature Tbase and fuel cutoff characterization data. The calibration data characterizing fuel cutoff engine deceleration is obtained by alternately enabling and cutting off engine fuel delivery to cycle the engine speed between specified set points, and measuring and recording the engine deceleration during intervals of fuel cutoff. The rubbing friction torque RFTtest at a given test temperature Ttest is calculated according to R ⁢   ⁢ F ⁢   ⁢ T rest = ( R ⁢   ⁢ F ⁢   ⁢ T base + P ⁢   ⁢ F ⁢   ⁢ T base ) × D ⁢   ⁢ E ⁢   ⁢ C ⁢   ⁢ E ⁢   ⁢ L test D ⁢   ⁢ E ⁢   ⁢ C ⁢   ⁢ E ⁢   ⁢ L base - P ⁢   ⁢ F ⁢   ⁢ T test , where DECELtest and DECELbase are the fuel cutoff engine decelerations at the test and base points, respectively, and PFTtest, and PFTbase are the pumping friction torques at the test and base points, respectively.

    摘要翻译： 确定摩擦摩擦转矩的方法涉及表征燃料切断发动机减速度，并且根据在基本动力系温度T base处确定的基点摩擦摩擦转矩RFTbase来计算发动机转速和动力系温度的任何组合的摩擦摩擦转矩，以及 燃料截止特征数据。 表征燃料切断发动机减速度的校准数据是通过交替地使能和切断发动机燃料输送以循环指定设定点之间的发动机转速，以及在燃料切断间隔期间测量和记录发动机减速度而获得的。 在给定的测试温度Ttest下的摩擦摩擦转矩RFT测试根据其中DECEL测试和DECELbase分别是测试和基点处的燃油切断发动机减速度，PFTtest和PFTbase是测试点和基点处的泵送摩擦转矩， 分别。

    Method for synchronizing a pulsetrain with engine cycle
    5.
    发明授权
    Method for synchronizing a pulsetrain with engine cycle 有权
    用于使脉冲串与发动机循环同步的方法

    公开(公告)号：US06679108B2

    公开(公告)日：2004-01-20

    申请号：US10143580

    申请日：2002-05-10

    申请人： William R. Robertson ,  Sergio Eduardo Garcia ,  Kevin Michael Foley

    发明人： William R. Robertson ,  Sergio Eduardo Garcia ,  Kevin Michael Foley

    IPC分类号： G01M1500

    CPC分类号： G01M15/06 ,  G01M15/11

    摘要： A method of synchronizing a crankshaft signal with the stroke cycle of a four-stroke internal combustion engine induces misfiring in a specified engine cylinder, and uses an assumed synchronization to identify the misfiring cylinder. The crankshaft signal is used to identify reference angular positions of the crankshaft intermediate top dead center positions of consecutive cylinders of the engine firing order, and a time difference between successive reference positions is determined. When the assumed synchronization is such that the current rotation of the crankshaft includes the cylinder in which misfiring is induced, the determined time difference is accumulated in a first accumulator; otherwise, the determined time difference is accumulated in a second accumulator. The presence of misfiring causes the two accumulators to diverge in value, and the direction of such divergence is used to determine if the assumed synchronization is correct or incorrect.

    摘要翻译： 将曲轴信号与四冲程内燃机的冲程循环同步的方法在指定的发动机气缸中引起失火，并且使用假定的同步来识别失火气缸。 曲轴信号用于识别发动机点火顺序的连续气缸的曲轴中间上死点位置的参考角度位置，并且确定连续的参考位置之间的时间差。 当假设同步使得曲轴的当前旋转包括引起失火的气缸时，所确定的时间差积累在第一蓄能器中; 否则，确定的时差被累积在第二累加器中。 发生失火导致两个蓄电池的价值偏差，并且这种发散的方向用于确定假定的同步是否正确或不正确。

    Method and apparatus to control fuel metering in an internal combustion engine
    7.
    发明授权
    Method and apparatus to control fuel metering in an internal combustion engine 有权
    控制内燃机燃油计量的方法和装置

    公开(公告)号：US07024301B1

    公开(公告)日：2006-04-04

    申请号：US11036212

    申请日：2005-01-14

    申请人： Krishnendu Kar ,  Andrew P. Bagnasco ,  Sergio Eduardo Garcia ,  Edward George Himes

    发明人： Krishnendu Kar ,  Andrew P. Bagnasco ,  Sergio Eduardo Garcia ,  Edward George Himes

    IPC分类号： F02D41/14

    CPC分类号： F02D41/40 ,  F02D35/025 ,  F02D41/1446 ,  F02D2041/2065 ,  F02D2200/0606 ,  Y02T10/44

    摘要： A system and method for controlling fuel delivery through a fuel injection system to an internal combustion engine is described. An engine controller calculates a mass of fuel for delivery to one of the cylinders through one of the fuel injectors, based upon the operation of the internal combustion engine. Gas temperature in the intake runner of the cylinder is determined, and a compensation term is selected based upon the calculated mass of fuel and the determined gas temperature in the intake runner of the cylinder. The calculated mass of fuel is adjusted using the compensation term, and the controller controls open time of the fuel injector based upon the adjusted calculated mass of fuel.

    摘要翻译： 描述了一种用于控制通过燃料喷射系统到内燃机的燃料输送的系统和方法。 发动机控制器基于内燃机的操作，计算通过燃料喷射器之一输送到其中一个气缸的燃料质量。 确定气缸的进气流道中的气体温度，并且基于计算的燃料质量和气缸的进气流道中确定的气体温度来选择补偿项。 使用补偿项调节计算出的燃料质量，并且控制器基于调整后的计算出的燃料质量来控制燃料喷射器的打开时间。