Vehicle wheel anti-skid or anti brake-lock system
    1.
    发明授权
    Vehicle wheel anti-skid or anti brake-lock system 失效
    车轮防滑或防抱死制动系统

    公开(公告)号:US4468740A

    公开(公告)日:1984-08-28

    申请号:US424241

    申请日:1982-09-27

    CPC classification number: B60T8/173 Y10S303/05

    Abstract: To reduce disturbance and interference signals, and particularly recurring disturbance signals due to vibration or out-of-round conditions of rotating elements coupled to a speed transducer, a low-pass filter (11) is connected to the speed transducer and, in addition, a high-pass filter (12) which, however, is disconnected upon sensing that the speed of the wheel or of the vehicle is below a predetermined limit, or that the anti brake-lock system unit (13) has responded. Thus, disturbance signals, and particularly periodic disturbance signal which might cause oscillatory conditions to arise in the filter and transducer circuitry, are effectively suppressed. To further increase the reliability of response, the output from the filter circuits is connected to threshold circuits with a variable threshold level in which comparators compare a peak signal with a weighted, then existing signal, so that the comparison level threshold is continuously shifted based on previously occurring peaks, so that disturbance signals are reliably excluded from affecting signal processing within the anti brake-lock system unit (13).

    Abstract translation: 为了减少干扰信号和干扰信号,特别是由于耦合到速度传感器的旋转元件的振动或不完整状况引起的重复的干扰信号,低通滤波器(11)连接到速度传感器,另外, 然而,当感测到车轮或车辆的速度低于预定极限,或者防制动器锁定系统单元(13)已经响应时,高通滤波器(12)被断开。 因此,有效地抑制可能导致在滤波器和换能器电路中产生振荡条件的干扰信号,特别是周期性的干扰信号。 为了进一步提高响应的可靠性,来自滤波器电路的输出与具有可变阈值电平的阈值电路连接,其中比较器将峰值信号与加权的现有信号进行比较,使得比较电平阈值基于 使得干扰信号被可靠地排除在防制动器锁定系统单元(13)内的信号处理之外。

    System for controlling the fuel supplied to an automotive engine
    2.
    发明授权
    System for controlling the fuel supplied to an automotive engine 失效
    用于控制供应给汽车发动机的燃料的系统

    公开(公告)号:US4771849A

    公开(公告)日:1988-09-20

    申请号:US20144

    申请日:1987-02-25

    CPC classification number: B60K28/16 F02B1/04 Y10T477/675

    Abstract: An automotive engine forming part of a motor vehicle is controlled to avoid slipping or spinning of a driven wheel by controlling the maximum rate of change of fuel which can be supplied to the engine, for example, by limiting the speed of deflection of a throttle flap (6) driven by a servo motor (7). The deflection speed, limited for example by a voltage divider (14) can be controlled as a function of operating parameters of the engine or the vehicle, for example, vehicle speed (V.sub.F), engine speed (n.sub.M), engine loading or a percentage of engine loading, actual wheel slip, actual angle or deflection position of the throttle flap, and the like. Further, non-linearities between deflection of an operator actuated pedal, such as a gas pedal (1) and actual deflection of the control flap (6) can be compensated for, for example, in a difference forming circuit (9) providing an output error signal for the servo motor (7) or by software, e.g. by recourse to non-linear characteristics stored in a table or graph. The duration of limiting can be determined by timing circuit connected to a terminal (p) for example, on the voltage divider (14). The system can be instrumented electrically (FIG. 2) or, for example, hydraulic-electrically (FIG. 3).

    Abstract translation: 通过控制可以供给发动机的燃料的最大变化率,例如通过限制节流阀的偏转速度来控制形成汽车的一部分的汽车发动机,以避免从动轮的滑动或旋转 (6)由伺服马达(7)驱动。 可以例如通过分压器(14)限制的偏转速度作为发动机或车辆的操作参数的函数,例如车速(VF),发动机转速(nM),发动机负载或百分比 发动机负载,实际车轮滑动,节流阀的实际角度或偏转位置等。 此外,诸如加油踏板(1)的操作者致动的踏板的偏转与控制翼片(6)的实际偏转之间的非线性可以例如在提供输出的差分形成电路(9)中被补偿 伺服电机(7)或软件的误差信号,例如 通过求助于存储在表或图中的非线性特征。 限制的持续时间可以通过例如在分压器(14)上连接到端子(p)的定时电路来确定。 该系统可以电气装配(图2)或例如液压电气(图3)。

    METHOD AND DEVICE FOR DIAGNOSING DEVIATIONS IN A SINGLE CYLINDER LAMBDA CONTROL
    3.
    发明申请
    METHOD AND DEVICE FOR DIAGNOSING DEVIATIONS IN A SINGLE CYLINDER LAMBDA CONTROL 有权
    用于诊断单缸液压马达控制中的偏差的方法和装置

    公开(公告)号:US20130199283A1

    公开(公告)日:2013-08-08

    申请号:US13514712

    申请日:2010-11-05

    Abstract: The invention relates to a method and device for diagnosing deviations in a single cylinder lambda control in an internal combustion engine having at least two cylinders and an exhaust gas sensor designed as a broadband lambda sensor, wherein a pump current is evaluated by means of a pump cell and said pump current is used at least temporarily for an individual cylinder lambda control. According to the invention, a pump voltage or a pump voltage change is determined via the pump cell in addition to the pump current and said value is transmitted to a diagnosis apparatus. Deviations in the single cylinder lambda control can thus be better diagnosed without additional material expense according to the invention, which provides advantages in particular in respect of tightened rulemaking in on-board diagnosis. A preferred application of the method is the use in internal combustion engines having multi-bank exhaust systems.

    Abstract translation: 本发明涉及一种用于诊断具有至少两个气缸的内燃机中的单气缸λ控制的偏差的方法和装置,以及设计为宽带λ传感器的废气传感器,其中泵电流通过泵 电池和所述泵电流至少临时用于单独的气缸λ控制。 根据本发明,泵电压或泵电压变化除了泵电流之外经由泵电池确定,并且所述值被传送到诊断装置。 因此,根据本发明,可以更好地诊断单缸λ控制中的偏差而不需要额外的材料费用,其特别地在车载诊断中的紧固规则制定方面提供了优点。 该方法的优选应用是在具有多排排气系统的内燃机中的应用。

    Method and model for modeling a discharge phase of a nitrous oxide storage catalytic converter
    6.
    发明授权
    Method and model for modeling a discharge phase of a nitrous oxide storage catalytic converter 有权
    用于建模一氧化二氮储存催化转化器排放相的方法和模型

    公开(公告)号:US07051515B2

    公开(公告)日:2006-05-30

    申请号:US10344745

    申请日:2001-07-20

    Abstract: The invention further relates to a method and a model for modeling a discharge phase of a nitrogen oxide (NOx)-storage catalytic converter (12′) of an internal combustion engine (1). The NOx-storage catalytic converter (12′) is subdivision into an oxygen (O2)-store and a nitrogen oxide (NOx)-store and a reducing agent mass flow (msrg) is determined which charges the O2-store and the NOx-store. To model a discharge phase of the NOx-storage catalytic converter (12′), the O2-store is modeled via a first integrator for oxygen (O2) and the NOx-store via a second integrator for nitrogen oxide (NOx) and the first integrator and the second integrator are charge proportionally with the reducing agent mass flow (msrg) in accordance with an apportioning factor determined in dependence upon the O2-store content (mo2sp) and the NOx-store content (mnosp) of the NOx-storage catalytic converter (12′).

    Abstract translation: 本发明还涉及一种用于对内燃机(1)的氮氧化物(NOx)储存催化转化器(12')的排放相进行建模的方法和模型。 NOx储存催化转化器(12')分为氧(O 2) - 和氮氧化物(NO x) - 储存器,并且确定对O2储存器和NOx-储存催化转化器进行充电的还原剂质量流量(msrg) 商店。 为了对NOx储存催化转化器(12')的排放相进行建模,通过用于氧(O 2)的第一积分器和经由用于氮氧化物(NO x)的第二积分器的NOx存储来建模O2储存器,并且第一 积分器和第二积分器根据根据储存氧的储存量(mo2sp)和NOx储存含量(mnosp)确定的分配因子与还原剂质量流量(msrg)成比例地进料。 转换器(12')。

    Method for desulfurizing a storage medium
    7.
    发明授权
    Method for desulfurizing a storage medium 有权
    存储介质脱硫方法

    公开(公告)号:US06854266B2

    公开(公告)日:2005-02-15

    申请号:US10344017

    申请日:2001-08-08

    CPC classification number: F01N3/0842 F01N2570/04 F02D41/028 F02D41/0285

    Abstract: A method of desulfurization of a ceramic storage medium for sulfur oxides and/or nitrogen oxides situated in a gas stream, in particular a storage device for nitrogen oxides or sulfur oxides situated in the exhaust gas stream of an internal combustion engine, is described, a mixture having a low oxygen concentration being established in the gas stream to release the stored sulfur oxides. A measuring signal is recorded by an oxygen probe positioned downstream from the storage medium in a gas stream flow direction, the curve of this measuring signal being used to determine the loading of the storage medium with sulfur oxides. This method allows determination of the need for desulfurization as a function of the loading of the storage medium with sulfur oxides, to monitor and control the progress of desulfurization initiated and to check on how complete the desulfurization that is concluded has been.

    Abstract translation: 描述了一种用于位于气流中的硫氧化物和/或氮氧化物的陶瓷储存介质的脱硫方法,特别是位于内燃机的废气流中的氮氧化物或硫氧化物的储存装置, 在气流中建立具有低氧浓度的混合物以释放储存的硫氧化物。 通过在气流流动方向上位于存储介质下游的氧探头记录测量信号,该测量信号的曲线用于确定存储介质与硫氧化物的负载。 该方法可以确定脱硫的需要是与硫氧化物的存储介质的负载有关的一个功能,以监测和控制脱硫开始的进度,并检查已经完成的脱硫程度。

    Method for reducing a torque output of an internal combustion engine
    9.
    发明授权
    Method for reducing a torque output of an internal combustion engine 失效
    减小内燃机转矩输出的方法

    公开(公告)号:US5540204A

    公开(公告)日:1996-07-30

    申请号:US337923

    申请日:1994-11-10

    CPC classification number: F02P5/045 F02D41/0087 F02P5/1506

    Abstract: A control system and method for an internal-combustion engine with which the torque output of the internal-combustion engine can be reduced by suppressing the injection of fuel in individual cylinders in accordance with specifiable suppression patterns or by shifting the ignition firing point or the ignition angle. The suppression pattern is selected in dependence upon the desired torque reduction. The suppression of cylinders is allowed, however, only when in the case of the selected suppression pattern the number of cylinders to be suppressed per working cycle lies above a threshold value. The threshold value is selected in dependence upon the operating state of the internal-combustion engine, in particular on at least one of the following operating parameters: temperature of the internal-combustion engine, exhaust gas temperature, catalytic-converter temperature, load, rotational frequency, and a variable indicating whether a warm-up function of the internal-combustion engine has been activated.

    Abstract translation: 一种用于内燃机的控制系统和方法,通过根据可指定的抑制模式或通过转动点火点或点火来抑制各个气缸中的燃料喷射,可以减小内燃机的转矩输出 角度。 根据期望的扭矩减小来选择抑制模式。 然而,只有在选择的抑制模式的情况下,才允许对气缸的抑制,每个工作循环中要抑制的气缸数高于阈值。 该阈值根据内燃机的运行状态来选择,特别是在以下操作参数中的至少一个:内燃机的温度,排气温度,催化转化器温度,负载,转动 频率,以及指示内燃机的预热功能是否被激活的变量。

    Method and arrangement for controlling the air supply to an internal
combustion engine
    10.
    发明授权
    Method and arrangement for controlling the air supply to an internal combustion engine 失效
    用于控制向内燃机供气的方法和装置

    公开(公告)号:US5265570A

    公开(公告)日:1993-11-30

    申请号:US844621

    申请日:1992-03-30

    Abstract: A method and an arrangement for controlling the air supply to an internal combustion engine of a motor vehicle are proposed with filtered values being generated for the control of the actuating element position from input values formed in dependence upon operating parameters of the internal combustion engine and/or of the motor vehicle as values to be filtered and in which the speed of change of the actuating element position is variable in accordance with the input of the values to be filtered and the filtered values, in particular their difference, by influencing the filter characteristic and the transmission behavior.

    Abstract translation: PCT No.PCT / DE90 / 00699 Sec。 371日期:1992年3月30日 102(e)1992年3月30日PCT 1990年9月12日PCT PCT。 公开号WO91 / 05155 提出了一种用于控制对机动车辆的内燃机的空气供给的方法和装置,其中产生滤波值以根据操作参数形成的输入值来控制致动元件位置 内燃机和/或机动车辆的值作为要过滤的值,并且其中致动元件位置的变化速度根据要滤波的值和滤波值的输入而变化,特别是它们 差异,通过影响滤波器特性和传输行为。

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