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1. 发明专利

JP2009138579A Failure determining device of sensor of internal combustion engine 审中-公开
标题翻译：内燃机传感器故障判定装置
公开(公告)号：JP2009138579A
公开(公告)日：2009-06-25
申请号：JP2007314217
申请日：2007-12-05
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SOMENO TEI , NEMOTO MAMORU
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide a failure determining device capable of determining a failure of an actual intake pipe pressure sensor with high accuracy by distinguishing an abnormality of each calculating element for obtaining estimated intake pipe pressure and an abnormality of the actual intake pipe pressure sensor.
SOLUTION: The failure determining device comprises a means 304 calculating a fuel injection amount from the sensor detecting the actual intake pipe pressure, a means 303 calculating an air-fuel ratio correction amount from an air-fuel ratio detection means detecting an air-fuel ratio of exhaust gas, a means 301 calculating the estimated intake pipe pressure based on detection values from a sensor detecting at least a throttle valve opening degree, an engine rotation speed, an intake air temperature and atmospheric pressure, a means 305 for comparing the actual intake pipe pressure and the estimated intake pipe pressure, and a failure determining means 307 wherein the failure determining means determines the failure of the intake pipe pressure sensor when a ratio or the deviation of the comparison result is out of a predetermined range and the air-fuel correction amount is not within a predetermined range.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过区分用于获得估计进气管压力和实际进气异常的每个计算元件的异常来高精度地确定实际进气管压力传感器故障的故障确定装置管道压力传感器。解决方案：故障确定装置包括从检测实际进气管压力的传感器计算燃料喷射量的装置304，从空气 - 燃料比检测装置检测空气计算空燃比校正量的装置303 - 排气的燃料比，基于来自检测至少节气门开度，发动机转速，进气温度和大气压的传感器的检测值来计算估计进气管压力的装置301，用于比较的装置实际进气管压力和估计进气管压力，以及故障确定装置307，其中当比较结果的比率或偏差超出预定范围时，故障确定装置确定进气管压力传感器的故障，空燃比校正量不在预定范围内。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008075549A Control device for internal combustion engine 有权
标题翻译：内燃机控制装置
公开(公告)号：JP2008075549A
公开(公告)日：2008-04-03
申请号：JP2006255721
申请日：2006-09-21
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUZUKI KUNIHIKO , NEMOTO MAMORU
IPC分类号： F02D13/02 , F02B33/00 , F02B37/00 , F02B37/013 , F02B37/10 , F02D23/00 , F02D41/04 , F02D43/00 , F02D45/00 , F02M25/07 , F02P5/15
CPC分类号： F02D41/0062 , F02B29/0412 , F02B37/004 , F02B37/013 , F02B37/127 , F02B37/16 , F02B37/18 , F02B37/24 , F02B39/10 , F02D13/0207 , F02D13/0261 , F02D37/02 , F02D41/0007 , F02D41/1445 , F02D41/145 , F02D41/1454 , F02D41/18 , F02D41/40 , F02D2041/001 , F02D2200/0406 , F02D2200/0408 , F02D2200/0411 , F02M26/01 , F02M26/05 , F02M26/08 , F02P5/1516 , Y02T10/144 , Y02T10/18 , Y02T10/44 , Y02T10/46 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine provided with a variable valve and a turbocharger capable of reducing turbo lag of the turbocharged internal combustion engine without deteriorating exhaust gas even under an operation condition where internal EGR is scavenged as overlap period increases. SOLUTION: The control device for the internal combustion engine is provided with the turbocharger and the variable valve mechanism capable of variably controlling open and close timing, and lift of at least one of intake valves and exhaust valves. The control device is provided with an internal EGR scavenging quantity operation means operating internal EGR quantity scavenging quantity which is internal EGR quantity reducing by scavenged to an exhaust pipe from the cylinder in an overlap period during which both of the exhaust valve and the intake valve are opened if intake air pressure gets higher as compared to exhaust gas pressure under a supercharging condition, and a means controlling the overlap period to keep the operated internal EGR scavenging quantity to a predetermined value. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有可变阀和涡轮增压器的内燃机的控制装置，其能够减少涡轮增压内燃机的涡轮滞后而不劣化排气，即使在内部EGR为随着重叠时期的增加而被清除。解决方案：用于内燃机的控制装置设置有能够可变地控制打开和关闭正时的涡轮增压器和可变气门机构，以及进气门和排气门中的至少一个的升程。所述控制装置具有内部EGR清除量操作装置，其操作内部EGR量清除量，所述内部EGR量清除量是在所述排气阀和所述进气阀两者都在重叠期间从所述气缸清扫到排气管的内部EGR量减少如果进气压力在增压条件下与排气压力相比变高，则控制重叠期间的装置，以将操作的内部EGR清除量保持在预定值。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007198260A Control device of internal combustion engine 审中-公开
标题翻译：内燃机控制装置
公开(公告)号：JP2007198260A
公开(公告)日：2007-08-09
申请号：JP2006017770
申请日：2006-01-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIMURA SHINGO , NEMOTO MAMORU
IPC分类号： F02D17/02 , F02D29/02 , F02D41/02 , F02D41/04
摘要： PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine cutting fuel to be supplied to cylinders with good responsibility to a change of an output torque reduction demand.
SOLUTION: To attain the above object, the control device of the internal combustion engine according to the invention is the control device of the internal combustion engine having the plurality of cylinders, is characterized by a fuel cut control means for calculating a target torque reduction and a torque reduction current value and for determining whether or not performing fuel cut on a cylinder to be injected with fuel next in accordance with a torque reduction ratio, which is a quotient of the target torque reduction and the torque reduction current value, and with the reduction demand of the output torque of the internal combustion engine, and is characterized in that such determination is made from the torque reduction ratio immediately before fuel injection to each cylinder.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种内燃机的控制装置，其将燃料供给到气缸，对输出扭矩降低需求的变化负有良好的责任。解决方案：为了实现上述目的，根据本发明的内燃机的控制装置是具有多个气缸的内燃机的控制装置，其特征在于用于计算目标的燃料切断控制装置扭矩降低和转矩降低电流值，并且用于根据作为目标转矩降低和转矩降低电流值的商的转矩减小率来确定是否在下一个要注入燃料的气缸上进行燃料切断，并且具有内燃机的输出转矩的减少要求，其特征在于，这样的确定是在燃料喷射到每个气缸之前的扭矩减小率进行的。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2007198157A Control device and control method for engine 有权
标题翻译：发动机控制装置及控制方法
公开(公告)号：JP2007198157A
公开(公告)日：2007-08-09
申请号：JP2006014743
申请日：2006-01-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SATO SHINYA , NEMOTO MAMORU , OKAZAKI TSUTOMU , KATSUNO TOSHIYUKI
IPC分类号： F02D45/00 , F02B37/00 , F02B37/12 , F02B37/18 , F02B39/04
CPC分类号： Y02T10/144
摘要： PROBLEM TO BE SOLVED: To provide a control device for an engine using an engine torque estimation logic applicable to an engine drawing a complicated torque track in a transient time such as a turbocharged engine. SOLUTION: The control device is provided with an operation means estimating actual generated engine torque during engine torque control and performs engine torque operation by using engine torque estimation value. A transient response physical model relating to an intake and exhaust system of the engine is created and estimation torque is operated based on the physical model. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于发动机的控制装置，其使用适用于在诸如涡轮增压发动机的瞬时时间中绘制复杂转矩轨迹的发动机的发动机扭矩估计逻辑。解决方案：控制装置设置有估计发动机扭矩控制期间实际产生的发动机扭矩的操作装置，并且通过使用发动机扭矩估计值来执行发动机扭矩操作。产生与发动机的进气和排气系统相关的瞬态响应物理模型，并且基于物理模型来操作估计扭矩。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006220097A Cylinder determination device for engine 有权
标题翻译：发动机气缸确定装置
公开(公告)号：JP2006220097A
公开(公告)日：2006-08-24
申请号：JP2005035367
申请日：2005-02-14
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ONO SHIGEMI , NEMOTO MAMORU
IPC分类号： F02D45/00 , F02D41/36 , F02P5/15
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To accurately determine cylinders when only one sensor is defective by signals from the remaining normal sensors.
SOLUTION: This cylinder determination device for an engine comprises a crank angle detection part having a signal plate for crankshaft and detectors for crankshaft disposed on the outer periphery of the signal plate in proximity to each other and a first detected part having equal interval parts arranged at equal angular intervals and unequal interval parts formed by arranging at least two first detected parts at angular intervals larger than the equal intervals. The cylinders are determined based on signals A indicating a same crank angle position in the prescribed stroke of each cylinder from the detectors and signals B from a cam angle detection part detecting cam angles. When the signals B are defective, only one prescribed cylinder is ignited at a prescribed timing based on the signals A. When a variation in the detected frequency of the unequal interval parts arranged at angular intervals larger than those of the equal interval parts of the signals A is larger than a prescribed value, the explosion stroke of the ignited prescribed one cylinder is determined to determine the cylinder.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：当只有一个传感器由剩余的正常传感器的信号有故障时，准确地确定气缸。解决方案：该发动机的气缸确定装置包括具有用于曲轴的信号板和布置在信号板的外周附近的用于曲轴的检测器的曲柄角检测部分，以及具有相等间隔的第一检测部件通过以大于等间隔的角度间隔布置至少两个第一检测部分而形成的以相等的角度间隔布置的部分和不相等的间隔部分。基于来自检测器的每个气缸的规定行程中指示相同的曲柄角位置的信号A和来自检测凸轮角度的凸轮角度检测部分的信号B确定气缸。当信号B有缺陷时，基于信号A在规定的定时仅点燃一个规定的气缸。当不等间隔部分的检测频率的变化大于信号的等间隔部分的角度间隔 A大于规定值，确定点火规定的一个气缸的爆发冲程以确定气缸。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005240647A Engine control device 有权
标题翻译：发动机控制装置
公开(公告)号：JP2005240647A
公开(公告)日：2005-09-08
申请号：JP2004050386
申请日：2004-02-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUMIYA HIROSHI , NAKAGAWA SHINJI , SATO SHINYA , NEMOTO MAMORU
IPC分类号： F02D9/02 , F02D41/14 , F02D41/22
CPC分类号： Y02T10/40
摘要： PROBLEM TO BE SOLVED: To improve the responsiveness of the amount of air to be sucked into a combustion chamber and the robustness of a whole system by compensating for a dead time in a change in the amount of air to be sucked into the combustion chamber. SOLUTION: This engine control device comprises a means 103 for compensating for the dead time in the responsive property of the amount of air to be sucked into the combustion chamber 221 through a throttle 106 and a means 105 for computing a target throttle opening from a target amount of air, the means 103 being arranged parallel to the means 105 (parallelized). Thus, feedback correction allows compensation for the dead time. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提高吸入到燃烧室中的空气的量的响应性和整个系统的鲁棒性，通过补偿待吸入空气的量的变化中的死区时间燃烧室。解决方案：该发动机控制装置包括用于通过节流阀106补偿待吸入燃烧室221的空气量的响应特性中的死区时间的装置103和用于计算目标节气门开度的装置105 从目标量的空气中，装置103平行于装置105布置（并联）。因此，反馈校正可以补偿死区时间。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005194960A Device for measuring intake air quantity for internal combustion engine 有权
标题翻译：用于测量内燃机空气量的装置
公开(公告)号：JP2005194960A
公开(公告)日：2005-07-21
申请号：JP2004003198
申请日：2004-01-08
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： AONO TOSHIHIRO , NEMOTO MAMORU , KATOGI KOZO
IPC分类号： F02D45/00 , F02D41/18 , G01F1/696 , G01F1/76 , G01F1/86
CPC分类号： G01F1/86 , F02D41/18 , F02D41/2422 , F02D2200/0402 , F02D2200/0411 , G01F1/6965 , G01F1/76
摘要： PROBLEM TO BE SOLVED: To materialize a device for accurately calculating intake air quantity of an internal combustion engine with a small map. SOLUTION: This device is provided with a means calculating quantity of air passing through a throttle based on opening of the throttle, pressure in an upstream and a downstream of the throttle and temperature in the upstream of the throttle, a means calculating quantity of air passing through an intake valve based on rotation speed of an internal combustion engine, open and close timing of the intake valve and opening of an EGR valve, and a means selecting either of quantity of air passing through the throttle or quantity of air passing through the intake valve according to operation condition of the internal combustion engine and outputting the same as quantity of air sucked in the internal combustion engine, and output quantity of intake air with selecting one from two air quantity calculation means according to operation conditions. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：实现具有小图的精确计算内燃机的进气量的装置。解决方案：该装置具有一个装置，用于根据节流阀的开度，节气门的上游和下游的压力以及节气门的上游的温度，计算通过节流阀的空气量，装置的计算量基于内燃机的转速通过进气阀的空气，进气门的打开和关闭正时以及EGR阀的打开，以及选择通过节气门的空气量或通过空气通过量的装置根据操作条件，根据内燃机的运转状态通过进气阀，输出与从内燃机吸入的空气量相同的排气量，以及从两个空气量计算单元中选择一个的进气量。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2005030411A Cylinder determining device for internal combustion engine 有权
标题翻译：用于内燃机的气缸确定装置
公开(公告)号：JP2005030411A
公开(公告)日：2005-02-03
申请号：JP2004317453
申请日：2004-11-01
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： NEMOTO MAMORU , NAGANO MASAMI
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide a cylinder determining device for an internal combustion engine capable of rapidly determining a reference signal in a state of being hardly affected by the variation of the rotation of the internal combustion engine in a case when the control is performed by using a plurality of kinds of reference signals per one cylinder only by one signal plate mounted on a camshaft for detecting the rotation.
SOLUTION: This cylinder determining device for the internal combustion engine comprises the signal plate mounted on the camshaft of the internal combustion engine, a group of projections A, B corresponding to the number of cylinders of the internal combustion engine and a projection C for determining the cylinder, mounted on the signal plate, and one detecting sensor for detecting the signal on the basis of the group of projections, and determines the cylinder on the basis of generation time intervals of the group of projections. A C-position of the group of projections and a third projecting position from the C-position are detected by using two kinds of calculating formulas for determining the cylinder.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够在几乎不受内燃机的旋转变化影响的状态下快速确定参考信号的内燃机的气缸确定装置，在控制仅通过安装在用于检测旋转的凸轮轴上的一个信号板仅通过每个气缸使用多种参考信号来执行。解决方案：用于内燃机的气缸确定装置包括安装在内燃机的凸轮轴上的信号板，与内燃机的气缸数相对应的一组突起A，B和突起C 用于确定安装在信号板上的气缸，以及一个检测传感器，用于基于该组投影来检测信号，并且基于该组投影的生成时间间隔来确定气缸。通过使用用于确定气缸的两种计算公式来检测突起组的C位置和来自C位置的第三突出位置。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2004340038A Cylinder determination device for internal combustion engine, and internal combustion engine with cylinder determination device 审中-公开
公开(公告)号：JP2004340038A
公开(公告)日：2004-12-02
申请号：JP2003138069
申请日：2003-05-16
申请人： Hitachi Car Eng Co Ltd , Hitachi Ltd , 株式会社日立カーエンジニアリング , 株式会社日立製作所
发明人： TATE TAKESHI , ISHIKURA HISATSUGU , NEMOTO MAMORU , HORI TOSHIO , ISHIKAWA HIROTO , IGARASHI BUNJI , NAGASAWA YOSHIAKI
IPC分类号： F02D45/00 , F02D13/02
摘要： PROBLEM TO BE SOLVED: To provide a cylinder determination device for performing cylinder determination while one turn of a crankshaft, by utilizing a crank sensor of magnetic type advantageous on the cost front, or magnetoresistive element type, and by performing the cylinder determination without erroneous determination.
SOLUTION: In the cylinder determination device for an internal combustion engine, a cam signal plate has a recess group or a projection group of the number smaller than the number of cylinders of the engine by one. The number of recesses or projections of the recess group or the projection group is different from the number of that of the other recess group or the projection group. The crank signal plate has recesses or projections whose intervals are unequal in a predetermined crank angle, and are equal in the other crank angle, and the number of the unequal intervals is a half of the number of the cylinders. A signal based on the unequal interval parts is detected by a crank angle sensor, and a signal based on the cam signal plate is detected by a cam angle sensor. The cylinder determination device performs the cylinder determination by the signal based on the unequal interval parts and the signal based on the cam signal plate.
COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2004245179A Control device for multi-cylinder internal combustion engine 有权
公开(公告)号：JP2004245179A
公开(公告)日：2004-09-02
申请号：JP2003038100
申请日：2003-02-17
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MATSUFUJI KOJI , NEMOTO MAMORU , KOMATSU HIROAKI , IRIE TORU , IWAKI HIDEFUMI
IPC分类号： F02P5/15 , F02D41/06 , F02D41/34 , F02D41/36 , F02D43/00 , F02D45/00
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To provide a control device for a multi-cylinder internal combustion engine capable of effectively improving startability and emission characteristics.
SOLUTION: Immediately after a rotational reference position K is detected on the basis of a signal from a crank angle sensor before completion of cylinder determination after commencement of start-up, a group ignition control for concurrently operating an ignition means is conducted for a plurality of cylinders #3, #2 of which the piston is rising toward its top dead center, that is, the plurality of cylinders #3, #2 under a compression stroke or exhaust stroke.
COPYRIGHT: (C)2004,JPO&NCIPI

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