Combustion control device for internal combustion engines
    1.
    发明授权
    Combustion control device for internal combustion engines 失效
    用于内燃机的燃烧控制装置

    公开(公告)号:US5156126A

    公开(公告)日:1992-10-20

    申请号:US650158

    申请日:1991-02-04

    摘要: A combustion control device for internal combustion engines, comprising cylinder pressure detecting means for detecting the combustion pressure in a cylinder, crank angle detecting means for detecting a crank angle of the engine to be controlled, cylinder pressure monitoring means for finding and monitoring the waveform of the cylinder pressure based on the cylinder pressure detected by the cylinder pressure detecting means and a crank angle signal outputted from the crank angle detecting means, calculating means for calculating thermal efficiency based on the found waveform, and combustion control means for controlling the amount of fuel supply to the engine, ignition timing and the amount of exhaust gas recirculation, depending on the results of the calculation by the calculating means.

    摘要翻译: 一种用于内燃机的燃烧控制装置,包括用于检测气缸中的燃烧压力的气缸压力检测装置,用于检测要控制的发动机的曲柄角的曲柄角检测装置,用于发现和监测发动机的波形的气缸压力监测装置, 基于由气缸压力检测装置检测到的气缸压力的气缸压力和从曲柄角检测装置输出的曲柄角信号,基于发现的波形计算热效率的计算装置和用于控制燃料量的燃烧控制装置 根据计算装置的计算结果,供给发动机,点火正时和废气再循环量。

    Fuel properties detecting apparatus for an internal combustion engine
    2.
    发明授权
    Fuel properties detecting apparatus for an internal combustion engine 失效
    用于内燃机的燃料特性检测装置

    公开(公告)号:US4905649A

    公开(公告)日:1990-03-06

    申请号:US250175

    申请日:1988-09-28

    摘要: A fuel properties detecting aparatus for an internal combustion engine has a pressure detector to detect an inner pressure of cylinder, a crank angle detector to detect a crank angle of engine, and a control device which is adapted to receive signals from the pressure detector and the crank angle detector to thereby calculate an effective calorific value Q of fuel in an ignition cycle on the basis of an inner pressure of a cylinder P(.theta.) at a crank angle in compression and expansion strokes in an ignition cycle, a crank angle .theta. and a cylinder capacity V(.theta.), and to obtain an effective combustion rate K or a low level calorific value Hu of fuel. Fuel properties are detected by using at least one of the effective combustion rate K and the low level calorific value Hu, or a ratio of a fuel injection pulse width Ti to the low level calorific value Hu (Ti/Hu).

    摘要翻译: 用于内燃机的燃料特性检测装置具有用于检测气缸的内部压力的压力检测器,用于检测发动机的曲柄角的曲柄角检测器以及适于从压力检测器接收信号的控制装置, 曲柄角检测器,从而基于在点火循环中的压缩和膨胀冲程中的曲柄角处的气缸P(θ)的内部压力,曲轴角度θ和...,计算点火循环中的燃料的有效发热量Q 气缸容量V(θ),并获得燃料的有效燃烧率K或低水平发热量Hu。 通过使用有效燃烧率K和低水平发热量Hu中的至少一个或燃料喷射脉冲宽度Ti与低水平发热量Hu(Ti / Hu)的比率来检测燃料特性。

    Compound semiconductor device and method of manufacturing the same
    3.
    发明授权
    Compound semiconductor device and method of manufacturing the same 失效
    化合物半导体器件及其制造方法

    公开(公告)号:US06180968B2

    公开(公告)日:2001-01-30

    申请号:US08866268

    申请日:1997-05-30

    IPC分类号: H01L31072

    摘要: There are provided a compound semiconductor device having a semiconductor multilayered structure, and a method of manufacturing the same. The semiconductor multilayered structure consists of a first recess etching stopper formed on a conductive layer of a compound semiconductor, a first semiconductor layer formed on the first recess etching stopper layer, a second recess etching stopper layer formed on the first semiconductor layer, and a second semiconductor layer formed on the second recess etching stopper layer.

    摘要翻译: 提供了具有半导体多层结构的化合物半导体器件及其制造方法。 半导体多层结构由形成在化合物半导体的导电层上的第一凹部蚀刻止动件,形成在第一凹部蚀刻停止层上的第一半导体层,形成在第一半导体层上的第二凹部蚀刻停止层,以及第二凹部蚀刻阻挡层 半导体层形成在第二凹槽蚀刻阻挡层上。

    Field effect transistor with stabilized threshold voltage
    4.
    发明授权
    Field effect transistor with stabilized threshold voltage 有权
    具有稳定阈值电压的场效应晶体管

    公开(公告)号:US5949096A

    公开(公告)日:1999-09-07

    申请号:US150775

    申请日:1998-09-10

    CPC分类号: H01L29/7787

    摘要: In a field effect transistor, a semiconductor channel layer is formed for carriers to run therein, and a first conductive semiconductor carrier supply layer is formed on the channel layer. Also, a second conductive semiconductor layer has a conductive type opposite to the carrier supply layer or contacts the gate electrode and is formed of same materials as the carrier supply layer. A third conductive semiconductor layer is formed on the layer having a conductive type opposite to the carrier supply layer or contacting the gate electrode and has the same conductive type of the carrier supply layer. A schottky gate electrode is formed in contact with the second conductive semiconductor layer.

    摘要翻译: 在场效应晶体管中,形成用于载流子的半导体沟道层,在沟道层上形成第一导电性半导体载体供给层。 此外,第二导电半导体层具有与载体供给层相反的导电类型或与栅电极接触,并且由与载体供给层相同的材料形成。 第三导电半导体层形成在具有与载体供给层相反的导电类型或与栅电极接触的层上,并且具有与载体供给层相同的导电类型。 形成与第二导电半导体层接触的肖特基栅电极。

    Ignition timing controlling apparatus for internal combustion engine
    5.
    发明授权
    Ignition timing controlling apparatus for internal combustion engine 失效
    内燃机点火正时控制装置

    公开(公告)号:US5063902A

    公开(公告)日:1991-11-12

    申请号:US493670

    申请日:1990-03-15

    IPC分类号: F02P5/145 F02P5/15

    摘要: An ignition timing controlling apparatus which calculates a crank angle when the pressure building-up rate in a cylinder of an internal combustion engine is the maximum, and feedback-controls an ignition timing so as to make the deviation value between the crank angle and the target value thereof be zero. The apparatus does not feedback-control in the predetermined running region where the crank angle at which pressure building-up rate in the cylinder at the time of light loading, idling and so on is the maximum is unstabilized, and ignites a plug at a basic ignition timing determined by running state of the engine as well as makes the gain of feedback-control differ from each other according to whether the deviation is in the advanced angle side or delayed angle side, and is capable of controlling ignition timing so that the maximum torque can be obtained regardless of elapsing change and dispersion in manufacturing.

    摘要翻译: 一种点火正时控制装置,其在内燃机的气缸中的压力增加率最大时计算曲柄角度,并且对点火正时进行反馈控制,以使曲柄角与目标之间的偏差值 其值为零。 该装置在轻载,空转等时的气缸内的压力建立速度最大的曲柄角度不稳定的预定行驶区域中不进行反馈控制,并且以基准 根据发动机的运行状态确定的点火正时以及反馈控制的增益根据偏差是否在提前角侧或延迟角度侧彼此不同,并且能够控制点火正时,使得最大值 可以获得扭矩,而不管制造中的经过变化和分散。

    Pressure detecting apparatus
    6.
    发明授权
    Pressure detecting apparatus 失效
    压力检测装置

    公开(公告)号:US4936137A

    公开(公告)日:1990-06-26

    申请号:US461891

    申请日:1990-01-08

    IPC分类号: F02D35/02 F02D41/24

    CPC分类号: F02D41/28 F02D35/023

    摘要: The present invention relates to a pressure detecting apparatus which detects the peak of combustion pressure in a cylinder of an internal combustion engine and the timing of that peak. The apparatus according to the present invention can be constructed in two alternative ways. That is, in one way, once stored data of combustion pressure in the cylinder is read out in reverse order, thus the difference between the read-out data and the data of combustion pressure in the cylinder is obtained, and the peak of combustion pressure in the cylinder and the timing of the peak are detected in accordance with the difference. In another way, the inflection points of the differentiated result of the data of combustion pressure in the cylinder are detected, and the peak of combustion pressure and the timing of the peak are detected in accordance with the inflection points. Consequently, the peak of combustion pressure in the cylinder and the timing of the peak can be detected easily even in the case where the internal combustion engine is idling and the peak of combustion pressure in the cylinder has comb to be less than the maximum pressure value of the motoring, for example. As a result, it is possible to accurately detect the combustion condition in the cylinder of the internal combustion engine.

    摘要翻译: 本发明涉及一种检测内燃机的气缸中的燃烧压力的峰值和该峰值的定时的压力检测装置。 根据本发明的装置可以以两种可选方式构造。 也就是说,以一种方式,一旦以相反的顺序读出存储在气缸中的燃烧压力的数据,则获得读取数据与气缸中的燃烧压力数据之间的差异,并且燃烧压力的峰值 在气缸中并根据差异来检测峰值的定时。 另一方面,检测气缸内燃烧压力数据差分结果的拐点,根据拐点检测燃烧压力峰值和峰值定时。 因此,即使在内燃机怠速的情况下,也能够容易地检测出气缸中的燃烧压力的峰值和峰值的正时,并且气缸中的燃烧压力的峰值梳至小于最大压力值 的驾驶,例如。 结果,能够精确地检测内燃机的气缸内的燃烧状态。

    Electronic controller for internal combustion engine
    7.
    发明授权
    Electronic controller for internal combustion engine 失效
    内燃机用电子控制器

    公开(公告)号:US4909224A

    公开(公告)日:1990-03-20

    申请号:US160481

    申请日:1988-02-25

    摘要: The electronic controller for an internal combustion engine is adapted to reduce an output power of the internal combustion engine by controlling a fuel supply quantity or an ignition angle during a predetermined duration from a timing when a vehicle was brought into an accelerated condition, so that an output power of the engine is reduced for an predetermined duration before the first positive peak of a acceleration vibration of the vehicle is generated with an increase of the output power of the engine to suppress the acceleration vibration in longitudinal direction.

    摘要翻译: 用于内燃机的电子控制器适于通过在从车辆进入加速状态的时刻的预定持续时间内控制燃料供给量或点火角度来减小内燃机的输出功率, 发动机的输出功率随着发动机的输出功率的增加而在车辆的加速度振动的第一正峰值被抑制在纵向的加速度振动之前,发动机的输出功率减小预定的持续时间。

    Air-fuel ratio control apparatus for an internal combustion engine
    8.
    发明授权
    Air-fuel ratio control apparatus for an internal combustion engine 失效
    用于内燃机的空燃比控制装置

    公开(公告)号:US4903665A

    公开(公告)日:1990-02-27

    申请号:US250244

    申请日:1988-09-28

    IPC分类号: F02D35/02 F02D41/14

    CPC分类号: F02D35/023 F02D41/1446

    摘要: An air-fuel ratio control apparatus for an internal combustion engine operates a signal of inner pressure of cylinder and a signal of crank angle position to obtain the maximum value of a rate of pressure increase in an ignition cycle or the mean value of the maximum values in a predetermined number of cycles, whereby a fuel injection quantity is controlled by using said value. An exhaust gas temperature may be used as well as the signals of the inner pressure of cylinder and the crank angle. In this case, a fuel injection quantity is controlled on the basis of a state quantity obtained by calculating the inner pressure of cylinder and a temperature of exhaust gas.

    摘要翻译: 用于内燃机的空燃比控制装置操作气缸的内压信号和曲柄角位置信号,以获得点火循环中的压力增加率的最大值或最大值的平均值 在预定数量的循环中,由此通过使用所述值来控制燃料喷射量。 可以使用排气温度以及气缸的内部压力和曲柄角度的信号。 在这种情况下,基于通过计算气缸的内部压力和废气的温度而获得的状态量来控制燃料喷射量。

    Control apparatus for an internal combustion engine
    9.
    发明授权
    Control apparatus for an internal combustion engine 失效
    一种用于内燃机的控制装置

    公开(公告)号:US5038737A

    公开(公告)日:1991-08-13

    申请号:US592094

    申请日:1990-10-03

    摘要: A control apparatus for an internal combustion engine calculates a basic fuel injection amount or a basic ignition timing for an engine based on the air intake quantity into the cylinders of the engine. The air intake quantity is calculated based on the pressure within a cylinder of the engine at a prescribed crankshaft angle. The fuel injection amount or the ignition timing is then controlled by feedback control so that a prescribed controlled variable, which is a function of the cylinder internal pressure, attains a target value.

    摘要翻译: 用于内燃机的控制装置基于进入发动机的气缸的进气量来计算发动机的基本燃料喷射量或基本点火正时。 基于发动机的气缸内的压力以规定的曲轴角度计算进气量。 然后通过反馈控制来控制燃料喷射量或点火正时,使得作为气缸内部压力的函数的规定的控制变量达到目标值。

    Air-fuel ratio control system for an internal combustion engine
    10.
    发明授权
    Air-fuel ratio control system for an internal combustion engine 失效
    用于内燃机的空燃比控制系统

    公开(公告)号:US4996960A

    公开(公告)日:1991-03-05

    申请号:US481254

    申请日:1990-02-20

    摘要: An air-fuel ratio control system for an internal combustion engine is disclosed. A basic fuel injection quantity is determined by using a cylinder pressure at a predetermined crank angle, and a signal provided by an intake air temperature sensor as parameters. A compensation fuel injection quantity for an accelerating mode or a decelerating mode is determined on the basis of a predetermined cylinder pressure variation corresponding to the variation of the output of a throttle opening sensor and an engine speed. The air-fuel ratio control system does not need an expensive air flow meter.

    摘要翻译: 公开了一种用于内燃机的空燃比控制系统。 通过使用预定曲柄角的气缸压力和由进气温度传感器提供的信号作为参数来确定基本燃料喷射量。 基于与节气门开度传感器的输出的变化和发动机转速对应的预定的气缸压力变化来确定用于加速模式或减速模式的补偿燃料喷射量。 空燃比控制系统不需要昂贵的空气流量计。