Method for correcting a controlled variable for the control of the
operation of an internal combustion engine on the basis of the quantity
of suction air
    42.
    发明授权
    Method for correcting a controlled variable for the control of the operation of an internal combustion engine on the basis of the quantity of suction air 失效
    基于吸入空气量来校正用于控制内燃机的操作的控制变量的方法

    公开(公告)号:US4527530A

    公开(公告)日:1985-07-09

    申请号:US558191

    申请日:1983-12-05

    CPC分类号: F02D41/187

    摘要: In a method for correcting the controlled variable of an engine according to the present invention, the quantity of suction air is measured by means of a thermal type flowmeter. The magnitude of pulsation of the suction air is obtained on the basis of the differential or variation of the measured section air quantity. At the same time, a coefficient representing the susceptibility to the pulsation which depends on the layout of the thermal type flowmeter and the like and the engine speed is calculated. A final correction for correcting the controlled variable is obtained on the basis of the magnitude of the pulsation and the coefficient representing the susceptibility.

    摘要翻译: 在根据本发明的用于校正发动机的受控变量的方法中,通过热式流量计来测量吸入空气的量。 基于测量的部分空气量的差异或变化获得吸入空气的脉动的大小。 同时,计算表示依赖于热式流量计等的布局和发动机转速的对脉动敏感度的系数。 基于脉动的大小和表示磁化率的系数,求出用于校正控制变量的最终校正。

    Engine control system
    44.
    发明授权
    Engine control system 失效
    发动机控制系统

    公开(公告)号:US4257377A

    公开(公告)日:1981-03-24

    申请号:US81905

    申请日:1979-10-04

    摘要: An engine control system which controls the engine fuel injection amount and the ignition timing by being supplied with and processing the rotational speed signal produced on the basis of the output of a rotational speed sensor producing the rotational speed signal at every predetermined engine crank shaft angle and an intake air amount signal from an air amount sensor for detecting the intake air amount of the engine. At certain predetermined engine rotational angles, the rotational speed signal and the intake air amount signal are read and compared with the previously-read rotational speed signal and intake air amount signal respectively, thus detecting changes therein respectively. These changes and signal values are used to correct control signals for ignition timing and fuel injection amount.

    摘要翻译: 发动机控制系统,其通过提供并处理基于在每个预定发动机曲轴角度产生转速信号的转速传感器的输出而产生的转速信号来控制发动机燃料喷射量和点火正时,以及 来自用于检测发动机的进气量的空气量传感器的进气量信号。 在某些预定的发动机旋转角度下,转速信号和进气量信号分别被读取并与先前读取的转速信号和进气量信号进行比较,从而分别检测其变化。 这些变化和信号值用于校正点火正时和燃料喷射量的控制信号。

    Air-flow metering device for fuel injection system of internal
combustion engine
    45.
    发明授权
    Air-flow metering device for fuel injection system of internal combustion engine 失效
    内燃机燃油喷射系统气流计量装置

    公开(公告)号:US3943891A

    公开(公告)日:1976-03-16

    申请号:US483909

    申请日:1974-06-27

    申请人: Masumi Kinugawa

    发明人: Masumi Kinugawa

    摘要: An air-flow metering device for a fuel injection system of an internal combustion engine comprises a blade means installed in an intake pipe of the engine and turned by the air flowing therethrough, a blade turn detecting means and an air passing means for changing the air passing area thereof in combination with the blade means in accordance with the turning of the blade means, thereby to supply optimum air flow into the engine.

    摘要翻译: 用于内燃机的燃料喷射系统的气流计量装置包括安装在发动机的进气管中并通过其流动的空气转动的叶片装置,叶片转动检测装置和用于改变空气的空气通过装置 根据叶片装置的转动与叶片装置结合的通过区域,从而向发动机提供最佳的空气流。

    Exhaust emission control system for internal combustion engine
    46.
    发明授权
    Exhaust emission control system for internal combustion engine 有权
    内燃机废气排放控制系统

    公开(公告)号:US07174706B2

    公开(公告)日:2007-02-13

    申请号:US11092810

    申请日:2005-03-30

    IPC分类号: F01N3/00

    摘要: An exhaust emission control system for an internal combustion engine is located on a vehicle and provided with a particulate filter to accumulate particulate matters in an exhaust gas of the engine. The system has a pressure difference detector, an exhaust flow rate detector, a regeneration controller and a detection accuracy increaser. The pressure difference detector detects a differential pressure in the particulate filter. The exhaust flow rate detector detects an exhaust flow rate of the engine. The regeneration controller determines to regenerate the particulate filter based on the differential pressure and the exhaust flow rate. The detection accuracy increaser increases a detection accuracy of the differential pressure.

    摘要翻译: 用于内燃机的废气排放控制系统位于车辆上并设置有颗粒过滤器以将颗粒物质累积在发动机的排气中。 该系统具有压力差检测器,排气流量检测器,再生控制器和检测精度增量器。 压差检测器检测微粒过滤器中的压差。 排气流量检测器检测发动机的排气流量。 再生控制器确定基于差压和排气流量再生微粒过滤器。 检测精度提高器提高差压的检测精度。

    Compression ignition internal combustion engine
    47.
    发明授权
    Compression ignition internal combustion engine 失效
    压缩点火内燃机

    公开(公告)号:US07069907B2

    公开(公告)日:2006-07-04

    申请号:US10979179

    申请日:2004-11-03

    IPC分类号: F02B15/00

    摘要: A compression ignition engine injects fuel through injection holes of an injector at a substantially constant injection rate to atomize the fuel so that the fuel can be easily vaporized and to make the fuel penetrate an atmosphere inside a cylinder. A spatial distribution of the injected fuel in which mixing of the fuel and air is promoted as the fuel recedes from the injection hole and the fuel reaches a premixing space where the fuel is premixed with the air is provided. The engine controls oxygen concentration inside the cylinder and an ignition delay so that a ratio of a quantity of the fuel injected before a start of ignition to a total fuel injection quantity falls within a range from 25% to 50% and so that the premixed gas formed in the premixing space is combusted serially.

    摘要翻译: 压缩点火发动机以基本恒定的喷射速率喷射喷射器的喷射孔以使燃料雾化,使得燃料容易蒸发并使燃料穿过气缸内的气氛。 喷射的燃料的空间分布,其中当燃料从喷射孔中消退并且燃料到达燃料与空气预混合的预混合空间时,燃料和空气的混合被促进。 发动机控制气缸内的氧浓度和点火延迟,使得在点火开始之前喷射的燃料的量与总燃料喷射量的比率在25%至50%的范围内,并且使得预混合气体 在预混空间中形成的连续燃烧。

    Exhaust gas purification system having particulate filter
    48.
    发明授权
    Exhaust gas purification system having particulate filter 失效
    具有微粒过滤器的废气净化系统

    公开(公告)号:US06735941B2

    公开(公告)日:2004-05-18

    申请号:US10420867

    申请日:2003-04-23

    IPC分类号: F01N300

    摘要: An engine control unit of an exhaust gas purification system of an internal combustion engine measures a pressure difference between an upstream and a downstream of a diesel particulate filter (DPF) after heating the DPF at least to a predetermined temperature and maintaining the DPF at the temperature for a while. The DPF is disposed in an exhaust pipe of the engine. A soluble organic fraction included in particulate matters in exhaust gas can be eliminated at the predetermined temperature. The ECU calculates a quantity of the particulate matters trapped by the DPF from the measured pressure difference. Thus, the quantity of the trapped particulate matters is calculated precisely, independently of a composition of the particulate matters or a state of the soluble organic fraction.

    摘要翻译: 内燃机的排气净化系统的发动机控制单元在DPF加热至少达到预定温度之后测量柴油机微粒过滤器(DPF)的上游和下游之间的压差,并将DPF维持在温度 一段时间。 DPF设置在发动机的排气管中。 废气中的颗粒物中包含的可溶性有机馏分可以在预定温度下消除。 ECU根据测量的压力差计算由DPF捕集的颗粒物质的量。 因此,与颗粒物质的组成或可溶性有机部分的状态无关地精确地计算被捕获的颗粒物质的量。

    Air-fuel ratio control system for internal combustion engine
    49.
    发明授权
    Air-fuel ratio control system for internal combustion engine 失效
    内燃机空燃比控制系统

    公开(公告)号:US5473888A

    公开(公告)日:1995-12-12

    申请号:US261282

    申请日:1994-06-15

    IPC分类号: F02D41/10 F02D41/14 F02D41/16

    摘要: An air-fuel ratio control system for an internal combustion engine utilizes a pre-stored standard relation between an air-fuel ratio sensor signal and a standard air-fuel ratio indicative value for deriving the standard air-fuel ratio indicative value based on the sensor signal. The system further utilizes a pre-stored modified relationship between the standard air-fuel ratio indicative value and a for-control air-fuel ratio indicative value for deriving a for-control air-fuel ratio indicative value based on the derived standard air-fuel ratio indicative value. In the modified relationship, the for-control air-fuel ratio indicative value varies with respect to a corresponding variation of the standard air-fuel ratio indicative value within a given range across the standard air-fuel ratio indicative value representing a stoichiometric air-fuel ratio.

    摘要翻译: 用于内燃机的空燃比控制系统利用空燃比传感器信号和标准空燃比指示值之间的预先存储的标准关系,以基于传感器得出标准空燃比指示值 信号。 该系统进一步利用标准空燃比指示值和用于控制空燃比指示值之间的预先存储的改进关系,用于基于导出的标准空气燃料导出控制空燃比指示值 比率指标值。 在修改关系中,控制空燃比指示值相对于表示理论空燃比的标准空燃比指示值的给定范围内的标准空燃比指示值的相应变化而变化 比。

    Air-Fuel ratio control system for internal combustion engine
    50.
    发明授权
    Air-Fuel ratio control system for internal combustion engine 失效
    内燃机空燃比控制系统

    公开(公告)号:US4805578A

    公开(公告)日:1989-02-21

    申请号:US111289

    申请日:1987-10-22

    摘要: An air-fuel ratio control system realized with a computer for an internal combustion engine is disclosed, wherein an idle discriminator unit discriminates whether the internal combustion engine is idle or not, and when it is idle, an idle air-fuel ratio compensation amount determining unit decides an air-fuel ratio compensation amount in accordance with an output of an air-fuel ratio detector. When the engine is not idle, on the other hand, a non-idle air-fuel ratio compensation amount determining unit decides an air-fuel ratio compensation amount. The idle air-fuel ratio compensation amount determining unit includes a rich-lean discriminator unit for discriminating whether the air-fuel ratio is on lean or rich side in accordance with the output of the idle discriminator unit, a skip unit for skipping the air-fuel ratio compensation amount to a greater degree than in non-idle state when the rich-lean discriminator unit decides that the air-fuel ratio has shifted from lean to rich side or the opposite way, a hold unit for holding the compensation amount after skip for a predetermined length of time, and an integrator for integrating the compensation amount upon the lapse of the predetermined length of time.

    摘要翻译: 公开了一种利用内燃机的计算机实现的空燃比控制系统,其中,空闲识别器单元鉴别内燃机是否空转,当空转时空闲空燃比补偿量确定 单元根据空燃比检测器的输出来确定空燃比补偿量。 另一方面,当发动机不空转时,无怠速空燃比补偿量确定单元决定空燃比补偿量。 怠速空燃比补偿量确定单元包括:富稀缺鉴定器单元,用于根据空闲鉴别器单元的输出来判断空燃比是贫还是富侧;跳过单元, 燃料比补偿量大于非空闲状态时的浓度比补充量更大的程度,当富余浓度鉴别器单元判定空燃比已经从偏向偏移到相反的方向时,保持单元用于在跳过后保持补偿量 预定时间长度的积分器,以及用于在经过预定时间长度时对补偿量进行积分的积分器。