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公开(公告)号：US5983862A
公开(公告)日：1999-11-16
申请号：US980892
申请日：1997-12-01
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。
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公开(公告)号：US06076502A
公开(公告)日：2000-06-20
申请号：US42553
申请日：1998-03-17
申请人： Hideaki Katashiba , Hironori Matsumori , Hirofumi Ohuchi , Wataru Fukui , Yoichi Kadota , Ryoji Nishiyama
发明人： Hideaki Katashiba , Hironori Matsumori , Hirofumi Ohuchi , Wataru Fukui , Yoichi Kadota , Ryoji Nishiyama
CPC分类号： F02D35/021 , F02D21/08 , F02D41/0072 , F02M26/49 , F02M26/48 , Y02T10/47
摘要： An exhaust gas recirculation control system for internal combustion engines, comprising an exhaust gas recirculation passage for recirculating a part of an exhaust gas from an internal combustion engine into the engine; an exhaust gas recirculation control valve for controlling a flow rate of the exhaust gas flowing in the exhaust gas recirculation passage; an opening degree controller for controlling an opening degree of the exhaust gas recirculation control valve; an operating condition detector for detecting an operating condition of the engine; means for setting a target exhaust gas recirculation ratio depending on the detected operating condition; a combustion state detector for detecting a combustion state in at least one cylinder of the engine; means for finding an actual exhaust gas recirculation ratio of the engine based on the detected combustion state; and means for controlling the opening degree controller so as to bring the actual exhaust gas recirculation ratio to the target exhaust gas recirculation ratio.
摘要翻译： 一种用于内燃机的废气再循环控制系统，包括用于将来自内燃机的废气的一部分再循环到发动机中的废气再循环通道; 废气再循环控制阀，用于控制在废气再循环通道中流动的废气的流量; 用于控制排气再循环控制阀的开度的开度控制器; 用于检测发动机的运行状态的操作条件检测器; 用于根据检测到的操作条件设定目标废气再循环比率的装置; 用于检测发动机的至少一个气缸中的燃烧状态的燃烧状态检测器; 用于根据检测到的燃烧状态找到发动机的实际废气再循环比的装置; 以及用于控制开度控制器以使实际废气再循环比达到目标废气再循环比的装置。
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3.发明授权Control device for vehicular engine having an automatic transmission and its control method 失效具有自动变速器的车辆发动机的控制装置及其控制方法
公开(公告)号：US5403245A
公开(公告)日：1995-04-04
申请号：US52677
申请日：1993-04-27
IPC分类号： B60W10/04 , B60W10/02 , B60W10/06 , B60W10/10 , F16H59/36 , F16H59/38 , F16H59/46 , F16H59/74 , F16H61/00 , F16H61/04 , F16H63/50 , B60K41/04 , F16H59/26
CPC分类号： B60W10/06 , B60W10/04 , B60W10/11 , B60W10/115 , B60W30/18 , B60W30/1819 , F16H61/0021 , B60W2510/0628 , B60W2710/0666 , F16H2059/385 , F16H2059/467 , F16H59/36 , F16H59/74 , F16H61/0437 , F16H63/502 , Y10T477/6333 , Y10T477/67 , Y10T477/675
摘要： A control device for a vehicular engine having an automatic transmission comprising: an inner cylinder pressure sensor for detecting a pressure in a combustion chamber of an engine; means for detecting an output of the inner cylinder pressure sensor at a predetermined crank angle; means for calculating an output torque of the engine based on the detected output of the inner cylinder pressure sensor; means for detecting a rotation speed of an engine; means for detecting a rotation speed of an output shaft of a torque convertor; means for calculating a speed ratio of the rotation speed of the output shaft of the torque converter as compared to the rotation speed of the engine; means for calculating a torque of an output shaft of an automatic transmission based on the output torque of the engine, the rotation speed of the engine, the rotation speed of the output shaft of the torque converter and the speed ratio; and control means for controlling at least one of the output torque of the engine and a hydraulic pressure of the automatic transmission such that the torque of the output shaft of the automatic transmission conforms to a target torque.
摘要翻译： 一种用于具有自动变速器的车辆发动机的控制装置，包括：内筒压力传感器，用于检测发动机的燃烧室中的压力; 用于以预定的曲柄角检测内筒压力传感器的输出的装置; 用于基于检测到的内缸压力传感器的输出来计算发动机的输出转矩的装置; 用于检测发动机的转速的装置; 用于检测扭矩转换器的输出轴的转速的装置; 用于计算与发动机的转速相比的变矩器的输出轴的转速的速比的装置; 用于基于发动机的输出转矩，发动机的转速，变矩器的输出轴的转速以及速比来计算自动变速器的输出轴的转矩的装置; 以及用于控制发动机的输出转矩和自动变速器的液压中的至少一个的控制装置，使得自动变速器的输出轴的转矩符合目标转矩。
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公开(公告)号：US6109242A
公开(公告)日：2000-08-29
申请号：US414315
申请日：1999-10-07
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。
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公开(公告)号：US5359975A
公开(公告)日：1994-11-01
申请号：US983319
申请日：1992-11-30
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。
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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。
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公开(公告)号：US5675968A
公开(公告)日：1997-10-14
申请号：US576395
申请日：1995-12-21
CPC分类号： F01N3/222 , F01N3/2006 , F01N3/22 , F01N3/306 , F01N3/323 , F01N9/00 , F01N2390/02 , F01N3/32 , Y02T10/26 , Y02T10/47
摘要： A secondary air control apparatus constituted by an exhaust gas purifier 32 of an engine 21, a feed quantity control valve 29 for feeding secondary air, a secondary air heating device 31, and a controller 35 for controlling the feed quantity of secondary air and the secondary air heating device 31. The quantity of secondary air to be fed is set in accordance with the operation conditions of an engine, and the secondary air to be fed is modulated in quantity and heated, so that it is possible to utilize the purifying effect of a catalyst efficiently.
摘要翻译： 由发动机21的排气净化器32，二次空气供给用供给量控制阀29，二次空气加热装置31以及控制二次空气供给量和二次空气的控制器35构成的二次空气控制装置 空气加热装置31.根据发动机的运行条件设定供给的二次空气量，供给的二次空气被调制并加热，从而可以利用 催化剂有效。
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公开(公告)号：US5474045A
公开(公告)日：1995-12-12
申请号：US266630
申请日：1994-06-28
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。
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公开(公告)号：US06878354B1
公开(公告)日：2005-04-12
申请号：US09644687
申请日：2000-08-24
申请人： Kenro Mitsuda , Minoru Satou , Hiroaki Sigeoka , Ryoji Nishiyama , Yuji Kishimoto , Hideaki Katashiba , Hirofumi Oouchi
发明人： Kenro Mitsuda , Minoru Satou , Hiroaki Sigeoka , Ryoji Nishiyama , Yuji Kishimoto , Hideaki Katashiba , Hirofumi Oouchi
IPC分类号： B01D53/94 , B01J23/00 , B01J23/10 , B01J23/63 , B01J23/656 , B01J23/89 , B01J35/00 , B01J37/02 , F01N3/08 , H01M8/00 , H01M8/06 , H01M8/12 , B01D53/34 , F01N3/00
CPC分类号： F01N3/0814 , B01D53/9422 , B01D2255/1021 , B01D2255/1025 , B01D2255/2025 , B01D2255/2027 , B01D2255/2042 , B01D2255/2063 , B01D2255/20753 , B01J23/002 , B01J23/10 , B01J23/63 , B01J23/6562 , B01J23/8946 , B01J35/0033 , B01J37/0225 , B01J37/0246 , B01J2523/00 , F01N3/0835 , F01N3/0842 , H01M8/00 , H01M8/0662 , H01M2008/1293 , B01J2523/36 , B01J2523/48 , B01J2523/24 , B01J2523/35 , B01J2523/3706 , B01J2523/72 , B01J2523/22 , B01J2523/32
摘要： A catalyst for internal combustion engine exhaust purification without frequently switching to a rich burn mode. The catalyst includes a catalyst A containing an NOx absorbing substance and an NOx reducing catalyst, a catalyst B containing a hydrogen adsorption substance and a hydrogen oxidizing catalyst, an electron conductive substance C, and an ion conductive substance D. Electrons move between the catalyst A and the catalyst B through the electron conductive substance C, ions move through the ion conductive substance D, and an electrochemical reducing reaction and an electrochemical oxidizing reaction respectively occur on the catalyst A and on the catalyst B. Therefore, it is possible to quickly reduce the adsorbed NOx using the adsorbed hydrogen without depending on the atmosphere.
摘要翻译： 用于内燃机排气净化的催化剂，而不经常切换到丰富的燃烧模式。 该催化剂包括含有NOx吸收物质和NOx还原催化剂的催化剂A，含有氢吸附物质的催化剂B和氢氧化催化剂，电子传导性物质C和离子传导性物质D.电子在催化剂A 和催化剂B通过电子传导物质C离子移动通过离子传导物质D，并且在催化剂A和催化剂B上分别发生电化学还原反应和电化学氧化反应。因此，可以快速降低 使用吸附的氢气吸附的NOx而不依赖于大气。
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公开(公告)号：US06199540B1
公开(公告)日：2001-03-13
申请号：US09567435
申请日：2000-05-10
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。
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