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    Fuel control system for internal combustion engine
    4.
    发明授权
    Fuel control system for internal combustion engine 有权
    内燃机燃油控制系统

    公开(公告)号：US6109242A

    公开(公告)日：2000-08-29

    申请号：US414315

    申请日：1999-10-07

    申请人： Hideaki Katashiba ,  Ryoji Nishiyama ,  Hironori Matsumori

    发明人： Hideaki Katashiba ,  Ryoji Nishiyama ,  Hironori Matsumori

    IPC分类号： F02P17/12 ,  F02D35/02 ,  F02D37/02 ,  F02D41/00 ,  F02D41/04 ,  F02D41/06 ,  F02D41/14 ,  F02D41/34 ,  F02D41/36 ,  F02D45/00 ,  F02M51/00

    CPC分类号： F02D41/008 ,  F02D35/021 ,  F02D37/02 ,  F02D41/064 ,  F02P17/12 ,  F02D41/0085

    摘要： A method for deciding the combustion state of each cylinder on the basis of an ion current signal generated between gaps of an ignition plug in an internal combustion engine, and a fuel control system which reduces a fuel injection quantity while suppressing the combustion change of each cylinder and reduces a non-combustion composition in an engine exhaust gas after starting of engine. The fuel control system for an internal combustion engine comprises: cylinder-individual fuel injection quantity correcting means 45, 46 for correcting the fuel quantity injecting quantity in each cylinder so that the sum of fuel injection quantities to be supplied to the cylinders of the internal combustion engine having a plurality of cylinders decreases in each combustion cycle of each said cylinder and a difference between the combustion state value of the first cylinder of the internal combustion engine and that of the second cylinder thereof decreases; and fuel injecting means 20 for injecting into each cylinder the fuel injection quantity for each cylinder of said internal combustion engine corrected by said fuel injection quantity correcting means for each cylinder.

    摘要翻译： 基于在内燃机的火花塞的间隙之间产生的离子电流信号和在抑制每个气缸的燃烧变化的同时减少燃料喷射量的燃料控制系统来决定每个气缸的燃烧状态的方法 并且在发动机起动之后减少发动机废气中的非燃烧成分。 用于内燃机的燃料控制系统包括：用于校正每个气缸中的燃料量注入量的气缸单独燃料喷射量校正装置45,46，使得供给到内燃缸的燃料喷射量的总和 具有多个气缸的发动机在每个所述气缸的每个燃烧循环中减小，并且内燃机的第一气缸和第二气缸的燃烧状态值之间的差异减小; 以及燃料喷射装置20，用于向每个气缸喷射由每个气缸由所述燃料喷射量校正装置校正的所述内燃机的每个气缸的燃料喷射量。

    Control system for internal combustion engine
    5.
    发明授权
    Control system for internal combustion engine 失效
    内燃机控制系统

    公开(公告)号：US5359975A

    公开(公告)日：1994-11-01

    申请号：US983319

    申请日：1992-11-30

    申请人： Hideaki Katashiba ,  Ryoji Nishiyama ,  Hitoshi Inoue

    发明人： Hideaki Katashiba ,  Ryoji Nishiyama ,  Hitoshi Inoue

    IPC分类号： F02D45/00 ,  F02D21/08 ,  F02D35/02 ,  F02D41/00 ,  F02D41/18 ,  F02M25/07 ,  F02D41/10

    CPC分类号： F02D41/0072 ,  F02D35/023 ,  F02D41/18 ,  F02D2200/0411 ,  F02D2200/0414 ,  Y02T10/47

    摘要： An internal combustion engine control system comprises a pressure sensor for detecting pressure within an engine cylinder of an internal combustion engine, a crank angle sensor for detecting an engine cylinder identification number and a crank angle in synchronism with rotation of the engine, an intake air flow sensor disposed within an air intake pipe of the engine for detecting an intake air flow, and an exhaust gas recirculation flow control apparatus for controlling electrically a flow of exhaust gas of the engine recirculated to the engine by determining difference in the pressure within the engine cylinder between predetermined crank angles during a compression stroke of the engine on the basis of output signal of the pressure sensor, determining a first engine charging efficiency on the basis of the outputs of the crank angle sensor and the pressure difference, converting the intake air flow derived from the output of the intake air flow sensor to a second engine charging efficiency on the basis of the output of the crank angle sensor and by determining an exhaust gas recirculation ratio on the basis of the first and second engine charging efficiencies. The exhaust gas recirculation as well as control thereof is realized by an electronic programmable engine control unit.

    摘要翻译： 一种内燃机控制系统，包括用于检测内燃机的发动机气缸内的压力的压力传感器，用于检测发动机气缸识别号和与发动机的转动同步的曲柄角的曲柄角传感器，进气流量 设置在用于检测进气流的发动机的进气管内的传感器;以及废气再循环流量控制装置，用于通过确定发动机气缸内的压力差来电控制再循环到发动机的发动机的排气流 基于压力传感器的输出信号在发动机的压缩行程期间的预定曲柄角之间，基于曲轴转角传感器的输出和压力差确定第一发动机充气效率，转换得到的进气气流 从进气流量传感器的输出到第二发动机充气效率 基于曲轴转角传感器的输出，并且基于第一和第二发动机充电效率确定排气再循环比。 排气再循环以及其控制由电子可编程发动机控制单元实现。

    Engine control device and control method thereof
    6.
    发明授权
    Engine control device and control method thereof 失效
    发动机控制装置及其控制方法

    公开(公告)号：US5245969A

    公开(公告)日：1993-09-21

    申请号：US971582

    申请日：1992-11-05

    申请人： Ryoji Nishiyama ,  Hideaki Katashiba

    发明人： Ryoji Nishiyama ,  Hideaki Katashiba

    IPC分类号： F02D41/04 ,  F02D41/10 ,  F02D41/12 ,  F02D41/18 ,  F02D41/32 ,  F02D43/00 ,  F02D45/00 ,  F02P5/04 ,  F02P5/15

    CPC分类号： F02D35/023 ,  F02D41/18 ,  F02D41/32 ,  F02P5/045 ,  F02D2200/0402 ,  F02D2200/0414

    摘要： An object of the present invention is to provide an engine control device and an engine control method which can detect air quantities charged into the cylinders of the engine without delay, and the fuel injection quantity and ignition timing of the engine can be controlled with high accuracy. According to the present invention, when an engine is in steady state, charging efficiency calculating means calculates a fundamental charging efficiency for the suction air quantity of the engine from the difference between cylinder pressures which are detected in synchronization with two predetermined crank angles on the compression stroke, cylinder pressure sensors measure at least one cylinder pressure in synchronization with a crank angle on a suction stroke, averaging means averages cylinder pressures measured on the suction stroke, to provide an average value, correcting charging efficiency calculating means calculates a correcting charging efficiency from the variation in the variation of the average value averaging means in a predetermined period of time, and when the variation is equal to or larger a predetermined value, control means operates to correct the fuel injection quantity and ignition timing of the engine according to the value which is obtained by adding the correcting charging efficiency to the fundamental charging efficiency. The fuel injection quantity, the air/fuel ratio, and the ignition timing of the engine can be controlled with high accuracy.

    摘要翻译： 本发明的目的是提供一种能够不间断地检测发动机气缸内的空气量的发动机控制装置和发动机控制方法，能够高精度地控制发动机的燃料喷射量和点火正时 。 根据本发明，当发动机处于稳定状态时，充气效率计算装置根据与压缩机上的两个预定曲柄角同步地检测到的气缸压力差来计算发动机的吸入空气量的基本充气效率 行程气缸压力传感器与抽吸冲程上的曲柄角同步地测量至少一个气缸压力，平均装置平均在吸入冲程上测量的气缸压力，以提供平均值，校正充电效率计算装置从 在预定时间段内平均值平均装置的变化的变化，并且当变化量等于或大于预定值时，控制装置操作以根据值来校正发动机的燃料喷射量和点火正时 这是通过添加校正获得的 充电效率提高到基本充电效率。 可以高精度地控制发动机的燃料喷射量，空燃比和点火正时。

    Combustion control system for internal combustion engine
    7.
    发明授权
    Combustion control system for internal combustion engine 失效
    内燃机燃烧控制系统

    公开(公告)号：US5983862A

    公开(公告)日：1999-11-16

    申请号：US980892

    申请日：1997-12-01

    申请人： Ryoji Nishiyama ,  Hideaki Katashiba ,  Yoichi Kadota

    发明人： Ryoji Nishiyama ,  Hideaki Katashiba ,  Yoichi Kadota

    IPC分类号： F02D41/02 ,  F02D41/14 ,  F02D41/34 ,  F02D43/00 ,  F02D45/00 ,  F02P17/12 ,  F02D1/00 ,  F02P15/00

    CPC分类号： F02D41/1455 ,  F02P17/12

    摘要： A combustion control system includes a waveform shaping device for producing an ON signal from an ion current detected value, a down timing detecting device for detecting down timings of the ON signal, an operating device for converting the down timings into times elapsing from a reference crank angle, mask time section setting device for setting a mask time section corresponding to a combustion period in accordance with a running condition of the internal combustion engine, a selecting device for selecting at least one of said down times detected within the mask section, and a determining device for determining a combustion parameter of said internal combustion engine in accordance with the combustion ending time, whereby the combustion state of each cylinder is detected from the combustion ending time detected by the mask time section to determine the combustion parameter so as to suppress a combustion change. In this configuration, by operating a small quantity of data, an inexpensive and accurate combustion control system for an internal combustion engine can be obtained.

    摘要翻译： 燃烧控制系统包括用于从离子电流检测值产生ON信号的波形整形装置，用于检测ON信号的下降定时的下降定时检测装置，用于将下降定时转换成从参考曲柄经过的时间的操作装置 角度，掩模时间段设定装置，用于根据内燃机的运行状态设定与燃烧期间对应的掩模时间段;选择装置，用于选择在掩模部内检测到的所述下降时间中的至少一个;以及 确定装置，用于根据燃烧结束时间确定所述内燃机的燃烧参数，由此根据由掩模时间段检测到的燃烧结束时间检测每个气缸的燃烧状态，以确定燃烧参数，以便抑制燃烧参数 燃烧变化。 在这种结构中，通过操作少量数据，可以获得廉价且准确的内燃机燃烧控制系统。

    Engine control device
    9.
    发明授权
    Engine control device 失效
    发动机控制装置

    公开(公告)号：US5474045A

    公开(公告)日：1995-12-12

    申请号：US266630

    申请日：1994-06-28

    申请人： Akira Demizu ,  Masakazu Sugai ,  Hitoshi Inoue ,  Ryoji Nishiyama ,  Hideaki Katashiba

    发明人： Akira Demizu ,  Masakazu Sugai ,  Hitoshi Inoue ,  Ryoji Nishiyama ,  Hideaki Katashiba

    IPC分类号： F02D41/18 ,  F02D35/02 ,  F02D37/02 ,  F02D41/32 ,  F02D41/36 ,  F02D43/00 ,  F02D45/00 ,  F02P5/152 ,  F02P5/153

    CPC分类号： F02D35/023 ,  F02D37/02 ,  F02D41/32 ,  F02D2041/286 ,  F02D41/18

    摘要： An engine control device comprises: crank angle sensor provided for the cylinders of an engine; cylinder internal pressure sensor for detecting the internal pressures of the cylinders according to the output signals of the crank angle sensor; pressure normalizing unit for normalizing the cylinder internal pressures thus detected, according to the cylinder internal pressure which is obtained when the engine is in standard state; engine speed detector; charge efficiency calculating unit for calculating the charge efficiencies of the cylinders by using the output signals of the pressure normalizing unit and the engine speed detector; operating condition detecting unit for detecting the outputs of the pressure normalizing unit and the engine speed detector as operating conditions, calculation control unit for calculating the air/fuel ratio and the ignition timing of each cylinder according to the operating conditions; and adjusting unit for adjusting the air/fuel ratios and ignition timing of the cylinders according to the output of the calculation control unit, thereby to control the air/fuel ratios and ignition timing of the cylinders with high accuracy.

    摘要翻译： 发动机控制装置包括：用于发动机气缸的曲柄角传感器; 气缸内部压力传感器，用于根据曲柄角传感器的输出信号检测气缸的内部压力; 压力归一化单元，用于根据当发动机处于标准状态时获得的气缸内部压力来标准化所检测到的气缸内部压力; 发动机转速检测器; 充电效率计算单元，用于通过使用压力归一化单元和发动机速度检测器的输出信号来计算气缸的充电效率; 操作条件检测单元，用于检测压力归一化单元和发动机速度检测器的输出作为操作条件;计算控制单元，用于根据操作条件计算每个气缸的空燃比和点火正时; 以及调节单元，用于根据计算控制单元的输出调节气缸的空燃比和点火正时，从而高精度地控制气缸的空燃比和点火正时。

    Fuel control system for internal combustion engine
    10.
    发明授权
    Fuel control system for internal combustion engine 有权
    内燃机燃油控制系统

    公开(公告)号：US06199540B1

    公开(公告)日：2001-03-13

    申请号：US09567435

    申请日：2000-05-10

    申请人： Hideaki Katashiba ,  Ryoji Nishiyama ,  Hironori Matsumori

    发明人： Hideaki Katashiba ,  Ryoji Nishiyama ,  Hironori Matsumori

    IPC分类号： F02M5100

    CPC分类号： F02D41/008 ,  F02D35/021 ,  F02D37/02 ,  F02D41/0085 ,  F02D41/064 ,  F02P17/12

    摘要： A method for deciding the combustion state of each cylinder on the basis of an ion current signal generated between gaps of an ignition plug in an internal combustion engine, and a fuel control system which reduces a fuel injection quantity while suppressing the combustion change of each cylinder and reduces a non-combustion composition in an engine exhaust gas after starting of engine. The fuel control system for an internal combustion engine comprises: cylinder-individual fuel injection quantity correcting means 45, 46 for correcting the fuel quantity injecting quantity in each cylinder so that the sum of fuel injection quantities to be supplied to the cylinders of the internal combustion engine having a plurality of cylinders decreases in each combustion cycle of each said cylinder and a difference between the combustion state value of the first cylinder of the internal combustion engine and that of the second cylinder thereof decreases; and fuel injecting means 20 for injecting into each cylinder the fuel injection quantity for each cylinder of said internal combustion engine corrected by said fuel injection quantity correcting means for each cylinder.

    摘要翻译： 基于在内燃机的火花塞的间隙之间产生的离子电流信号和在抑制每个气缸的燃烧变化的同时减少燃料喷射量的燃料控制系统来决定每个气缸的燃烧状态的方法 并且在发动机起动之后减少发动机废气中的非燃烧成分。 用于内燃机的燃料控制系统包括：用于校正每个气缸中的燃料量注入量的气缸单独燃料喷射量校正装置45,46，使得供给到内燃缸的燃料喷射量之和 具有多个气缸的发动机在每个所述气缸的每个燃烧循环中减小，并且内燃机的第一气缸和第二气缸的燃烧状态值之间的差异减小; 以及燃料喷射装置20，用于向每个气缸喷射由每个气缸由所述燃料喷射量校正装置校正的所述内燃机的每个气缸的燃料喷射量。