Hot wire air flow meter
    1.
    发明授权
    Hot wire air flow meter 失效
    热丝空气流量计

    公开(公告)号:US4790182A

    公开(公告)日:1988-12-13

    申请号:US913379

    申请日:1986-09-30

    摘要: A platinum wire (2) is wound in the form of coil. An outer surface of the coiled wire (2) is overcoated with a glass member (4). The coiled wire (2) is welded to supporting member (3). An exothermic resistor (1; 1A, 1B) comprised the coiled wire (12), the glass member (4) and the supporting member (3), and has no bobbin therein. Such an exothermic resistor (1; 1A, 1B) free from a bobbin is used as a hot wire element (1A) and a cold wire element (1B) in a hot wire air flow meter. The quantity of heat generated on the coiled wire (2) hardly transmit through the supporting member (3) and is carried away almost through air. The transient response characteristics under sudden change of an amount of air flow can be improved.

    摘要翻译: 铂线(2)以线圈的形式缠绕。 螺旋线(2)的外表面用玻璃构件(4)外涂。 螺旋线(2)焊接到支撑构件(3)上。 放热电阻器(1; 1A,1B)包括线圈(12),玻璃构件(4)和支撑构件(3),并且其中没有线轴。 这种没有绕线管的放热电阻器(1; 1A,1B)用作热丝空气流量计中的热丝元件(1A)和冷线元件(1B)。 在线圈(2)上产生的热量几乎不透过支撑部件(3)传播,几乎通过空气传送。 可以提高空气流量突然变化下的瞬态响应特性。

    Method and apparatus for detecting knock in an internal combustion engine
    4.
    发明授权
    Method and apparatus for detecting knock in an internal combustion engine 失效
    用于检测内燃机中的卡锁的方法和装置

    公开(公告)号:US5230316A

    公开(公告)日:1993-07-27

    申请号:US690851

    申请日:1991-04-24

    IPC分类号: G01L23/22

    CPC分类号: G01L23/225

    摘要: A method and apparatus of detecting knocking in an internal combustion engine having a crankshaft uses a knock detecting sensor to detect vibration caused by knocking. The signals from the knock detecting sensor are detected between a first and a second moment of time (i.e. a measurement window) and at least one of the first and second moments of time are independently varied in dependence upon a vibration spectrum of frequencies to be detected. In a preferred embodiment a plurality of frequency spectra, each having a different first and second moment of time, are each separately analyzed for determining knock intensity. The moments of time are represented by first and second angles of the crankshaft. A plurality of measurement windows are advantageously used to determine the level of knocking and if the level exceeds a predetermined level the ignition timing for the engine is retarded. The frequency of maximum amplitude is arranged in operation to be the center frequency of a frequency spectrum determined by the measurement window.

    Method of fuel injection control in engine
    5.
    发明授权
    Method of fuel injection control in engine 失效
    发动机燃油喷射控制方法

    公开(公告)号:US4792905A

    公开(公告)日:1988-12-20

    申请号:US861996

    申请日:1986-05-12

    摘要: A method of controlling the quantity of fuel to be injected into an intake manifold for an engine by a fuel injection unit comprising the steps of identifying parameters indicative of a change in the dynamic characteristic of the fuel supply system due to changes in the environmental conditions including the atmospheric pressure and engine temperature, estimating the quantity of fuel to be supplied to the engine cylinder on the basis of the identified parameters, and controlling the quantity of fuel to be injected so that the ratio between the measured quantity of air supplied to the engine cylinder and the estimated quantity of fuel supplied to the engine cylinder attains the desired air-fuel ratio.

    摘要翻译: 一种通过燃料喷射单元控制喷射到用于发动机的进气歧管中的燃料量的方法,包括以下步骤:识别由于环境条件的变化引起的燃料供应系统的动态特性变化的参数,包括 大气压力和发动机温度,基于所识别的参数来估计要供应给发动机气缸的燃料量,以及控制要喷射的燃料量,使得供应给发动机的空气的测量量之间的比率 并且提供给发动机气缸的估计燃料量达到所需的空燃比。

    Electronic engine control apparatus having arrangement for varying fuel
injection duration
    6.
    发明授权
    Electronic engine control apparatus having arrangement for varying fuel injection duration 失效
    具有用于改变燃料喷射持续时间的装置的电子发动机控制装置

    公开(公告)号:US4276602A

    公开(公告)日:1981-06-30

    申请号:US59029

    申请日:1979-07-19

    摘要: An electronic control apparatus for an internal combustion engine having engine sensors, actuators, and a signal processor, contains an improved interface unit for coupling signals to the actuators in response to an output from the processor based upon sensor signals. The interface unit includes a scheme for generating event timing signals in accordance with the prescribed timing signal pattern generated by a stage pulse generator. Depending upon the operational conditions of the engine, the processor supplies a control code through which the timing signals that are produced are altered. This control code is used to alter the rate of occurrence or frequency of generation of the timing signals so that specific actuator control functions may be varied depending upon the engine operation conditions.

    摘要翻译: 用于具有发动机传感器,致动器和信号处理器的内燃机的电子控制装置包含改进的接口单元,用于响应于来自处理器的输出,基于传感器信号将信号耦合到致动器。 接口单元包括根据由阶段脉冲发生器产生的规定定时信号模式产生事件定时信号的方案。 根据发动机的操作条件,处理器提供控制代码,通过该控制代码改变产生的定时信号。 该控制码用于改变定时信号的产生速率或频率,从而可以根据发动机的运行条件改变特定的执行器控制功能。

    Electronic engine control apparatus
    7.
    发明授权
    Electronic engine control apparatus 失效
    电子发动机控制装置

    公开(公告)号:US4276601A

    公开(公告)日:1981-06-30

    申请号:US943930

    申请日:1978-09-20

    摘要: An electronic engine control apparatus in which the timing of the ignition and the fuel injection are calculated from a negative pressure in the intake manifold of the engine or the flow rate of suction air and the rotational speed of the engine. A reference register group is constituted of registers for storing the result of the calculation while an instantaneous register group is made up of registers for storing the instantaneous states of actuators. One of the registers of the reference register group and one of the registers of the instantaneous register group are selected according to a stage timing signal so that the contents of the two registers selected are compared with each other.

    摘要翻译: 一种电子发动机控制装置,其中从发动机的进气歧管中的负压或吸入空气的流量和发动机的转速来计算点火和燃料喷射的定时。 参考寄存器组由用于存储计算结果的寄存器构成,而瞬时寄存器组由用于存储致动器的瞬时状态的寄存器组成。 根据级定时信号选择参考寄存器组的寄存器和瞬时寄存器组的一个寄存器之一,使得所选择的两个寄存器的内容相互比较。

    Engine control system limiting engine output based on vehicle operating
environments
    10.
    发明授权
    Engine control system limiting engine output based on vehicle operating environments 失效
    发动机控制系统基于车辆操作环境限制发动机输出

    公开(公告)号:US5508923A

    公开(公告)日:1996-04-16

    申请号:US21081

    申请日:1993-02-23

    摘要: The invention provides a system for controlling a vehicle engine according to a plurality of stored torque patterns for various vehicle operating environments, based upon the accelerator pedal position and the vehicle speed. A vehicle environment, detection unit evaluates the vehicle environment and a target drive shaft torque pattern is selected from the plurality of target drive shaft torque patterns stored in a torque pattern storage. A target drive shaft torque calculating unit determines a target drive shaft torque from the selected target drive shaft torque pattern, the detected accelerator pedal operating amount and the detected vehicle speed. Finally, an engine output calculator determines an engine output at which a vehicle drive shaft generates the target drive shaft torque, and outputs the determined engine output to an engine output control unit.

    摘要翻译: 本发明提供了一种根据加速踏板位置和车速根据用于各种车辆操作环境的多个存储的扭矩模式来控制车辆发动机的系统。 车辆环境,检测单元评估车辆环境,并且从存储在扭矩模式存储器中的多个目标驱动轴扭矩模式中选择目标驱动轴扭矩图案。 目标驱动轴转矩计算单元根据所选择的目标驱动轴转矩模式,检测到的加速踏板操作量和检测到的车速确定目标驱动轴转矩。 最后,发动机输出计算器确定车辆驱动轴产生目标驱动轴扭矩的发动机输出,并将确定的发动机输出输出到发动机输出控制单元。