HVAC control using modulated evaporator outlet temperature
    1.
    发明授权
    HVAC control using modulated evaporator outlet temperature 有权
    HVAC控制采用调制蒸发器出口温度

    公开(公告)号:US07424344B2

    公开(公告)日:2008-09-09

    申请号:US11304274

    申请日:2005-12-15

    IPC分类号: B60H1/00 F25B49/00

    摘要: A vehicle climate control system operates an evaporator at a minimum temperature adjusted by a temperature offset. The control system determines a desired temperature and a blend potentiometer position that is indicative of the desired temperature. The control system determines a target temperature for the evaporator according to the blend potentiometer position, and calculates the temperature offset according to the target temperature and the blend potentiometer position. A blend door position is controlled according to the blend potentiometer position, the target temperature, the temperature offset, and heater core air temperature in order to optimize the operation of the evaporator.

    摘要翻译: 车辆气候控制系统在由温度偏移调节的最小温度下操作蒸发器。 控制系统确定所需温度和指示所需温度的混合电位器位置。 控制系统根据混合电位器位置确定蒸发器的目标温度,并根据目标温度和混合电位器位置计算温度偏移量。 混合门位置根据混合电位器位置,目标温度,温度偏移和加热器核心空气温度进行控制,以优化蒸发器的运行。

    Method of throttle fuel lean-out for internal combustion engines
    3.
    发明授权
    Method of throttle fuel lean-out for internal combustion engines 失效
    用于内燃机节流燃油的方法

    公开(公告)号:US5492102A

    公开(公告)日:1996-02-20

    申请号:US238096

    申请日:1994-05-04

    IPC分类号: F02D41/04 F02D41/12

    CPC分类号: F02D41/12 F02D41/045

    摘要: A method of throttle fuel lean-out for an internal combustion engine including the steps of sensing a throttle position of a throttle for the engine with a throttle position sensor, calculating a delta throttle value based on the sensed throttle position, determining whether the engine is in a throttle deceleration condition based on the calculated delta throttle value, linearizing the change in throttle position with respect to absolute throttle position and engine speed if the engine is in a throttle deceleration condition, calculating a throttle deceleration fuel lean-out multiplier value based on the linearized change in throttle position, and applying the calculated throttle deceleration fuel lean-out multiplier value to a fuel pulsewidth value of fuel injectors for the engine and reducing the amount of fuel injected into the engine by the fuel injectors.

    摘要翻译: 一种用于内燃机节流燃油的方法,包括以下步骤:利用节气门位置传感器感测发动机的节气门的节气门位置,基于感测到的节气门位置计算增量油门值,确定发动机是否是 在基于所计算的增量油门值的节气门减速条件下,如果发动机处于节气门减速条件,则相对于绝对节气门位置和发动机转速线性化节气门位置的变化,基于 节气门位置的线性化变化,以及将计算出的节气门减速燃料稀少乘数值应用于用于发动机的燃料喷射器的燃料脉动宽度值,并减少由燃料喷射器喷射到发动机中的燃料量。

    Method of proportional deceleration fuel lean-out for internal
combustion engines
    4.
    发明授权
    Method of proportional deceleration fuel lean-out for internal combustion engines 失效
    内燃机比例减速燃料稀释方法

    公开(公告)号:US5427082A

    公开(公告)日:1995-06-27

    申请号:US238123

    申请日:1994-05-04

    IPC分类号: F02D41/12 F02B23/00

    CPC分类号: F02D41/12

    摘要: A method of proportional deceleration fuel lean-out for an internal combustion engine includes the steps of sensing a throttle position of a throttle for the engine with a throttle position sensor, calculating a throttle proportional deceleration fuel lean-out multiplier (LOTHR) value based on the sensed throttle position, sensing a manifold absolute pressure (MAP) of an intake manifold for the engine with a MAP sensor, calculating a MAP proportional deceleration fuel learn-out multiplier (LOMAP) value based on the sensed MAP, combining the LOTHR and LOMAP values and calculating an overall proportional deceleration fuel lean-out multiplier (LOMULT) value, and applying the calculated LOMULT value to a fuel pulsewidth value of fuel injectors for the engine and reducing the amount of fuel injected into the engine by the fuel injectors.

    摘要翻译: 一种用于内燃机的比例减速燃料吹出的方法包括以下步骤:利用节气门位置传感器感测发动机的节气门的节气门位置,基于以下步骤计算节气门比例减速燃料抽出乘数(LOTHR) 感测到的节气门位置,用MAP传感器感测用于发动机的进气歧管的歧管绝对压力(MAP),基于感测到的MAP计算MAP比例减速度燃料学习乘数(LOMAP)值,组合LOTHR和LOMAP 计算总体比例减速燃料偏出乘数(LOMULT)值,并将计算出的LOMULT值应用于发动机的燃料喷射器的燃料脉冲宽度值,并减少由燃料喷射器喷射到发动机中的燃料量。

    Method of adjusting idle spark for an individual cylinder of an internal
combustion engine
    6.
    发明授权
    Method of adjusting idle spark for an individual cylinder of an internal combustion engine 失效
    调整内燃机的单个气缸的空闲火花的方法

    公开(公告)号:US5701865A

    公开(公告)日:1997-12-30

    申请号:US639865

    申请日:1996-04-26

    IPC分类号: F02P5/15 F02M3/00

    CPC分类号: F02P5/1508 Y02T10/46

    摘要: A method of adjusting idle spark for an individual cylinder of an internal combustion engine in an automotive vehicle including the steps of determining a crankshaft acceleration for an individual cylinder of the internal combustion engine and determining an average acceleration error for the individual cylinder based on the determined crankshaft acceleration. The method also includes the steps of determining an adaptive spark advance for the individual cylinder based on the determined average acceleration error and determining a new spark advance for the individual cylinder based on the determined adaptive spark advance and a nominal spark advance. The method further includes the steps of adjusting idle spark for the individual cylinder based on the new spark advance for the individual cylinder.

    摘要翻译: 一种调节机动车辆内燃机的单个气缸的空闲火花的方法,包括以下步骤:确定内燃机的各个气缸的曲轴加速度,并基于所确定的各个气缸来确定各气缸的平均加速误差 曲轴加速度。 该方法还包括以下步骤:基于所确定的平均加速度误差确定各个气缸的自适应火花提前,并且基于所确定的自适应火花提前和标称火花提前来确定单个气缸的新的火花提前。 该方法还包括基于各个气缸的新的火花提前来调节各个气缸的空闲火花的步骤。

    System and method for heating an oxygen sensor via multiple heating
elements
    7.
    发明授权
    System and method for heating an oxygen sensor via multiple heating elements 失效
    通过多个加热元件加热氧传感器的系统和方法

    公开(公告)号:US5544640A

    公开(公告)日:1996-08-13

    申请号:US498270

    申请日:1995-07-03

    CPC分类号: G01N27/4067 F02D41/1494

    摘要: A circuit and method are provided for heating a dual heater oxygen sensor. One resistance element is of relatively low resistance such that the oxygen sensor is heated quickly and the other element is of relatively high resistance such that the oxygen sensor is heated and maintained at an optimal operating temperature. The circuit and associated method turn on a low resistance start heater that is in communication with the oxygen sensor given start-up conditions. Once the oxygen sensor has reached an operating temperature range a high resistance operating temperature heater is turned on and the start heater is turned off.

    摘要翻译: 提供了用于加热双加热器氧传感器的电路和方法。 一个电阻元件具有相对低的电阻,使得氧传感器被快速加热,另一个元件具有相对高的电阻,使得氧传感器被加热并保持在最佳工作温度。 电路和相关方法打开一个低电阻启动加热器,该加热器在给定启动条件下与氧传感器连通。 一旦氧传感器达到工作温度范围,高电阻工作温度加热器就会打开,启动加热器关闭。

    Method of pulse width modulating an oxygen sensor
    8.
    发明授权
    Method of pulse width modulating an oxygen sensor 失效
    氧传感器脉宽调制方法

    公开(公告)号:US5596975A

    公开(公告)日:1997-01-28

    申请号:US575920

    申请日:1995-12-20

    IPC分类号: F02D41/14 G01N27/416

    CPC分类号: F02D41/1494

    摘要: A method for pulse width modulating a resistance element of an oxygen sensor. The method quickly heats the resistance element of the oxygen sensor soon after start of the engine with a relatively high duty cycle yielding wide pulse widths. During a mid oxygen sensor temperature range, the method decreasing the duty cycle and thereby the pulse width modulation. And, upon the oxygen sensor reaching peak operating temperature range, the method decreases the pulse width modulated voltage signal supplied to the oxygen sensor to relatively short duty cycled pulses.

    摘要翻译: 一种用于对氧传感器的电阻元件进行脉宽调制的方法。 该方法在具有较高占空比的发动机启动后不久将快速加热氧传感器的电阻元件,产生宽的脉冲宽度。 在氧传感器中间温度范围内,该方法降低了占空比,从而减小了脉宽调制。 并且,当氧传感器达到峰值工作温度范围时,该方法将提供给氧传感器的脉宽调制电压信号减小到相对较短的占空比循环脉冲。

    Method of load and speed modifying on fuel lean-out for internal
combustion engines
    9.
    发明授权
    Method of load and speed modifying on fuel lean-out for internal combustion engines 失效
    用于内燃机燃料稀释的负荷和速度修正方法

    公开(公告)号:US5469826A

    公开(公告)日:1995-11-28

    申请号:US238122

    申请日:1994-05-04

    IPC分类号: F02D41/12

    CPC分类号: F02D41/12

    摘要: A method of load and speed modifying on fuel lean-out for an internal combustion engine includes the steps of sensing a speed of the engine, determining an engine speed modifier as a function of current sensed engine speed, sensing a manifold absolute pressure (MAP) of an intake manifold of the engine, determining an engine load modifier as a function of current sensed MAP, adding the determined engine speed modifier and engine load modifier together to yield a speed/load modifier, and applying the speed/load modifier value to a fuel pulsewidth value of fuel injectors for the engine and reducing the amount of fuel injected into the engine by the fuel injectors.

    摘要翻译: 一种用于内燃机的燃料稀释的负载和速度修正方法包括以下步骤:感测发动机的速度,确定作为当前感测到的发动机转速的函数的发动机转速调节器,感测歧管绝对压力(MAP) 的发动机的进气歧管,确定作为电流感测MAP的函数的发动机负载修正器,将所确定的发动机转速调节器和发动机负载调节器相加,以产生速度/负载修正器,并将速度/负载修正值应用于 用于发动机的燃料喷射器的燃料脉冲宽度值并且减少由燃料喷射器喷射到发动机中的燃料量。

    Method of catalyst purging fuel lean-out for internal combustion engines
    10.
    发明授权
    Method of catalyst purging fuel lean-out for internal combustion engines 失效
    催化剂吹扫内燃机燃料稀释方法

    公开(公告)号:US5427071A

    公开(公告)日:1995-06-27

    申请号:US238092

    申请日:1994-05-04

    IPC分类号: F02D41/12

    CPC分类号: F02D41/12

    摘要: A method of catalyst purging (run-time) fuel lean-out for an internal combustion engine including the steps of determining whether the engine is in a throttle deceleration condition or a MAP deceleration condition, sensing a speed of the engine, determining whether the current sensed engine speed is above a predetermined speed if the engine is in a throttle or MAP deceleration condition, determining a magnitude of a run-time lean-out multiplier (RTLEAN) value if the current sensed engine speed is above the predetermined speed, and applying the determined RTLEAN value to a fuel pulsewidth value of fuel injectors for the engine and reducing the amount of fuel injected into the engine by the fuel injectors.

    摘要翻译: 一种用于内燃机的催化剂清洗(运行时)燃料稀薄的方法,包括以下步骤:确定发动机是处于节气门减速状态还是MAP减速条件,感测发动机的速度,确定是否有电流 如果发动机处于节气门或MAP减速状态,则感测到的发动机转速高于预定速度,如果当前检测到的发动机转速高于预定速度,则确定运行时间偏差乘数(RTLEAN)值的大小,并且应用 将确定的RTLEAN值设定为用于发动机的燃料喷射器的燃料脉冲宽度值,并且减少由燃料喷射器喷射到发动机中的燃料量。