Method and apparatus for controlling air-fuel ratio in internal
combustion engine
    3.
    发明授权
    Method and apparatus for controlling air-fuel ratio in internal combustion engine 失效
    用于控制内燃机空燃比的方法和装置

    公开(公告)号:US4648370A

    公开(公告)日:1987-03-10

    申请号:US730207

    申请日:1985-05-03

    CPC分类号: F02D41/1475 F02D41/1488

    摘要: In an internal combustion engine wherein feedback control of the air-fuel ratio is carried out in accordance with the concentration of a specific composition in the exhaust gas, so that the air-fuel ratio is close to an predetermined target air-fuel ratio on the lean side with respect to the stoichiometric air-fuel ratio, the rate of fuel cut-off for a definite time period is calculated. When the rate of fuel cut-off is larger than a predetermined value, the air-fuel feedback control is stopped.

    摘要翻译: 在其中根据排气中的特定组成的浓度进行空燃比的反馈控制的内燃机中,使得空燃比接近预定的目标空燃比 相对于化学计量空燃比的倾斜侧,计算一定时间段的燃料切断速率。 当燃料切断率大于预定值时,停止空燃比反馈控制。

    Apparatus for controlling ignition timing in an internal combustion
engine
    5.
    发明授权
    Apparatus for controlling ignition timing in an internal combustion engine 失效
    用于控制内燃机中点火正时的装置

    公开(公告)号:US4718014A

    公开(公告)日:1988-01-05

    申请号:US729853

    申请日:1985-05-02

    IPC分类号: F02P5/15 F02P5/08

    摘要: An ignition timing control apparatus for a spark ignition internal combustion engine for a vehicle having a manually operated transmission system. The apparatus includes an ignition control system for controlling ignition timing in such a manner that the timing is advanced when the engine speed drops due to engagement of the clutch of the transmission apparatus to begin the initial movement of the vehicle. The drop in the engine speed is sensed by detecting whether a second order difference value of the engine speed is lower than a reference value. This realizes quick control of the engine speed.

    摘要翻译: 一种用于具有手动操作的传动系统的用于车辆的火花点火内燃机的点火正时控制装置。 该装置包括点火控制系统,用于以当发动机速度由于变速装置的离合器的接合而开始车辆的初始运动而发动机转速下降的方式控制点火正时。 通过检测发动机转速的二阶差值是否低于参考值来检测发动机转速的下降。 这实现了对发动机转速的快速控制。

    Method and apparatus for controlling air-fuel ratio in internal
combustion engine
    7.
    发明授权
    Method and apparatus for controlling air-fuel ratio in internal combustion engine 失效
    用于控制内燃机空燃比的方法和装置

    公开(公告)号:US4625699A

    公开(公告)日:1986-12-02

    申请号:US760658

    申请日:1985-07-30

    摘要: In an internal combustion engine wherein a learning correction amount for improving the drivability in a high altitude is introduced into the feedback control of the air-fuel ratio, a lower limit is imposed on the learning correction amount, and a reference value for the lower limit is renewed in accordance with comparison of the mean value of an air-fuel ratio correction amount with a predetermined value and comparison of the learning correction amount with the reference value in an idling state.

    摘要翻译: 在内燃机中,将用于提高高空行驶能力的学习修正量引入空燃比的反馈控制中,对学习修正量施加下限,下限的基准值 根据空燃比校正量的平均值与预定值的比较并将学习校正量与空转状态下的参考值进行比较来更新。

    Apparatus for controlling the fuel supply of an internal combustion
engine
    8.
    发明授权
    Apparatus for controlling the fuel supply of an internal combustion engine 失效
    用于控制内燃机的燃料供应的装置

    公开(公告)号:US4495926A

    公开(公告)日:1985-01-29

    申请号:US566418

    申请日:1983-12-28

    CPC分类号: F02D41/2412

    摘要: The fuel supply to an internal combustion engine is controlled by fuel injection signals that depend on the intake manifold pneumatic pressure PM and the engine running speed NE. The basic pulse width TP of the fuel injection signal is calculated from the equation TP=(TPBSE+TPNE)TPKNE, where TPBSE is taken from a one-dimensional function table PM-TPBSE, TPNE is taken from a one-dimensional function table NE-TPNE, and TPKNE is taken from a one-dimensional function table NE-TPKNE.

    摘要翻译: 通过取决于进气歧管气动压力PM和发动机运行速度NE的燃料喷射信号来控制内燃机的燃料供给。 燃料喷射信号的基本脉冲宽度TP由公式TP =(TPBSE + TPNE)TPKNE计算,其中TPBSE取自一维功能表PM-TPBSE,TPNE取自一维功能表NE -TPNE,TPKNE取自一维功能表NE-TPKNE。

    Apparatus for controlling ignition timing in an internal combustion
engine
    9.
    发明授权
    Apparatus for controlling ignition timing in an internal combustion engine 失效
    用于控制内燃机中点火正时的装置

    公开(公告)号:US4725955A

    公开(公告)日:1988-02-16

    申请号:US730582

    申请日:1985-05-06

    IPC分类号: F02D41/14 F02P5/15 F02M51/00

    摘要: Disclosed is an engine having an air-fuel ratio control apparatus for obtaining various air-fuel ratios, the range of which is between the stoichiometric air-fuel ratio or lower than that ratio and the high air-fuel ratio providing a very lean air-fuel mixture. A plurality of ignition timing maps is provided, these maps having a respective order of priority determined by the air-fuel ratio. During operation of the engine, parameters substantially related to the air-fuel ratio ranges are detected, and a map having the highest order of priority is selected from the maps which meet the engine parameters. The ignition timing is calculated from the selected map.

    摘要翻译: 公开了一种具有空燃比控制装置的发动机,其用于获得各种空燃比,其范围在理论空燃比或低于该比之间,高空燃比提供非常稀薄的空气 - 燃料混合物 提供了多个点火正时图,这些图具有由空燃比确定的各自的优先顺序。 在发动机运转期间,检测与空燃比范围基本相关的参数,并且从满足发动机参数的图中选择具有最高优先级顺序的地图。 从所选地图计算点火正时。

    Method and apparatus for controlling air-fuel ratio in internal
combustion engine
    10.
    发明授权
    Method and apparatus for controlling air-fuel ratio in internal combustion engine 失效
    用于控制内燃机空燃比的方法和装置

    公开(公告)号:US4719888A

    公开(公告)日:1988-01-19

    申请号:US731524

    申请日:1985-05-07

    CPC分类号: F02D41/149 F02D41/1406

    摘要: In an internal combustion engine, when the opening of a throttle valve is smaller than a relatively small definite value, the feedback of the air-fuel ratio of the engine is controlled so that the air-fuel ratio is brought close to a first target air-fuel ratio. When the opening of the throttle valve is equal to or larger than a relatively small definite value and is smaller than a relatively large definite value, the feedback of the air-fuel ratio of the engine is controlled so that the air-fuel ratio is brought close to a second target air-fuel ratio on the rich side with respect to the first target air-fuel ratio. Further, when the opening of the throttle valve is equal to or larger than the relatively large definite value, the air-fuel ratio of the engine is controlled to be a power fuel increment air-fuel ratio.

    摘要翻译: 在内燃机中,当节流阀的开度小于相对较小的定值时,控制发动机的空燃比的反馈,使空燃比接近第一目标空气 - 燃料比。 当节流阀的开度等于或大于相对较小的确定值并且小于相对较大的确定值时,控制发动机的空燃比的反馈,从而使空燃比 相对于第一目标空燃比在浓侧接近第二目标空燃比。 此外,当节流阀的开度等于或大于相对较大的定值时,发动机的空燃比被控制为动力燃料增量空燃比。