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1. 发明专利

JP2008267350A Fuel control device for internal combustion engine 有权
标题翻译：内燃机燃油控制装置
公开(公告)号：JP2008267350A
公开(公告)日：2008-11-06
申请号：JP2007114569
申请日：2007-04-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ASANO SEIJI , NAGASE MITSURU , SEKINE HIROSHI
IPC分类号： F02D41/04
CPC分类号： F02D41/047 , F02D41/0002 , F02D41/107 , F02D41/1454 , F02D41/34 , F02D2200/021 , F02D2200/0406 , F02D2200/0414 , F02D2200/0606 , F02D2200/0612 , F02P5/1502 , Y02T10/44
摘要： PROBLEM TO BE SOLVED: To precisely achieve an air fuel ratio control precision in each of operating regions of an engine, particularly a demand air fuel ratio at a time of an engine transition.
SOLUTION: In a fuel control system correcting a basic fuel amount in such a manner as to estimate a fuel adhered to an air intake pipe of the engine and an evaporated fuel from the adhered fuel so as to achieve a demanded air fuel ratio, a temperature of a fuel adhered portion is estimated on the basis of an amount relation between the fuel to be adhered and the already adhered fuel, or a heat quantity balance. A fuel adhesion amount and a fuel evaporation amount are determined on the basis of the estimated temperature.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：精确地实现发动机的每个操作区域中的空燃比控制精度，特别是发动机转换时的需求空燃比。解决方案：在燃料控制系统中，校正基本燃料量，以便估计附着在发动机的进气管上的燃料和来自附着燃料的蒸发燃料，以便获得所需的空燃比基于要粘附的燃料和已经附着的燃料之间的量关系或热量平衡来估计燃料附着部分的温度。基于估计的温度来确定燃料附着量和燃料蒸发量。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2006094624A Power generation control device of power generator for vehicle 审中-公开
标题翻译：发电机的发电控制装置
公开(公告)号：JP2006094624A
公开(公告)日：2006-04-06
申请号：JP2004276354
申请日：2004-09-24
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： FUKUYA HAJIME , NAGASE MITSURU , OSATO MASASUKE , TAKADA KENJI
IPC分类号： H02P9/04
摘要： PROBLEM TO BE SOLVED: To provide a power generation control device of a power generator for a vehicle that can reduce unpleasant vibration by offsetting engine torque that is increased by the restart of fuel injection by a return from a fuel cut at deceleration, and engine torque that is reduced by the switching of a power generation voltage of an alternator, by making timing that switches the power generation voltage of the alternator to a low power generation voltage from a standard power generation voltage synchronized with the return from the fuel cut at deceleration. SOLUTION: The power generation control device of the generator for the vehicle makes the timing that switches the power generation voltage of the alternator to the low power generation voltage from the standard power generation voltage synchronized with the return from the fuel cut at deceleration. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于车辆的发电机的发电控制装置，其能够通过抵消通过从减速时切断的燃料的返回引起的燃料喷射的重新启动而增加的发动机转矩来减少令人不快的振动，以及通过交流发电电压的切换而减少的发动机扭矩，通过从与燃料切断的返回同步的标准发电电压进行将交流发电机的发电电压切换为低发电电压的定时减速。解决方案：用于车辆的发电机的发电控制装置使得从与从减速时切断的燃料的返回同步的标准发电电压将交流发电机的发电电压切换到低发电电压的定时。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2005105978A Controller for internal combustion engine 有权
标题翻译：内燃机控制器
公开(公告)号：JP2005105978A
公开(公告)日：2005-04-21
申请号：JP2003342029
申请日：2003-09-30
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： NAGASE MITSURU , FUKUYA HAJIME , OSATO MASASUKE , TAKADA KENJI
IPC分类号： F02D45/00 , F02D41/02 , F02D41/04 , F02D41/14 , F02D41/20
摘要： PROBLEM TO BE SOLVED: To provide an air-fuel ratio learning control capable of rapidly learning an air-fuel ratio deviation between a detected air-fuel ratio and a target air-fuel ratio in an internal combustion engine for an automobile, namely, capable of updating also an air-fuel ratio learned value in an unlearned area to a proper learned value by the single learning on air-fuel ration.
SOLUTION: The air-fuel ratio deviation from a theoretical air-fuel ratio is calculated when a specified operating state is continued. Based on the air-fuel ratio deviation, the proper value of the learned air-fuel ratio value is calculated. The area of the proper values of the calculated learned air-fuel ratio values in an air fuel ratio learning map in which improper learned values are stored is updated to proper values.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题为了提供能够快速地获得汽车用内燃机中检测到的空燃比与目标空燃比之间的空燃比偏差的空燃比学习控制，即通过空中燃料配给的单一学习，能够将无人驾驶区域的空燃比学习值更新为适当的学习值。解决方案：当指定的运行状态继续时，计算与理论空燃比的空燃比偏差。基于空燃比偏差，计算学习空燃比值的适当值。在存储不正当学习值的空燃比学习图中计算出的学习空燃比值的适当值的面积被更新为适当的值。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2004278412A Engine speed controller 审中-公开
公开(公告)号：JP2004278412A
公开(公告)日：2004-10-07
申请号：JP2003071210
申请日：2003-03-17
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： FUKUYA HAJIME , NAGASE MITSURU , SEKINE HIROSHI , OBA HISAHIRO , TAKADA KENJI , OSATO MASASUKE
IPC分类号： F02D9/02 , F02D41/08 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide an engine speed controller capable of preventing lowering of engine speed caused by shortage of air quantity during deceleration and smoothly converging at a predetermined idle speed even when current consumer increases during running.
SOLUTION: The engine speed controller comprises a running time target air quantity setting means for setting the running time target air quantity by adding corrected air quantity, which is the difference between ISC required air quantity under the maximum current consumer and ISC required air quantity under the minimum current consumer, to the latest target air quantity learnt during idling. Increasing the target air quantity during running can prevent the shortage of air quantity during deceleration even if the current consumer is increased during running, so the engine speed lowering can be prevented.
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2003049694A Atmospheric pressure estimation method for internal combustion engine, and control system for internal combustion engine 有权
标题翻译：内燃机大气压力估算方法及内燃机控制系统
公开(公告)号：JP2003049694A
公开(公告)日：2003-02-21
申请号：JP2001240187
申请日：2001-08-08
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： NAGASE MITSURU , ASANO SEIJI , IKEDA YUJI , OSATO MASASUKE
IPC分类号： F02D45/00 , F02D41/32
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive and reliable atmospheric pressure estimation method that accurately detects an atmospheric pressure during downhill deceleration even without the adoption of an atmospheric pressure sensor, and suffers no influence of an atmospheric pressure variation even during vehicle travel involving an altitude difference.
SOLUTION: The atmospheric pressure estimation method is for an internal combustion engine comprising an operating state detecting means for detecting an operating state of the engine, an intake pipe pressure detector for detecting an intake pipe internal pressure downstream of a throttle valve of the internal combustion engine, and an atmospheric pressure estimating means for estimating an atmospheric pressure according to the intake pipe pressure detected by the intake pipe pressure detector during travel, at a start-up or at an engine stop. The atmospheric pressure estimate is updated if a given travel distance is reached while a vehicle driving state remains in a given decelerating state.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了提供廉价可靠的大气压力估计方法，即使在没有使用大气压力传感器的情况下也能够精确地检测下坡减速时的大气压力，即使在涉及高度的车辆行驶中也不受大气压力变化的影响区别。解决方案：大气压力估计方法是用于内燃机，其包括用于检测发动机的运行状态的运行状态检测装置，用于检测内燃机的节气门下游的进气管内压的进气管压力检测器以及大气压力推定装置，用于根据由进气管压力检测器在行驶期间，起动阶段或发动机停止期间检测到的进气管压力估计大气压力。如果在车辆行驶状态保持在给定减速状态下达到给定的行驶距离，则更新大气压力估计。

6. 发明专利

JP2009085080A Engine cylinder identification device 有权
标题翻译：发动机缸体识别装置
公开(公告)号：JP2009085080A
公开(公告)日：2009-04-23
申请号：JP2007255251
申请日：2007-09-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAGASE MITSURU , OSATO MASASUKE , KOMORIDA HIRONARI , TAKADA KENJI , MISHIRO KEIICHI , NISHIDA SHIGERU , TAKAMURA HIROYUKI
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide an engine cylinder identification device capable of identifying each cylinder, even if the signal obtained from one sensor is abnormal, only with the signals from the remaining normal sensors.
SOLUTION: The outer circumference of a crank signal plate has an equally spaced section on which a number of parts to be detected, including teeth and projections, are arranged over a predetermined angular range and at least two types of unequally spaced sections each covering a wider angular range than the equally spaced section, a number of parts to be detected, including teeth and projections, are disposed on the outer circumference of a cam signal plate, the cam signal plate is divided into as many areas as the number of cylinders, each of the areas is further divided into at least three regions α, β, γ, a part to be detected is disposed at a predetermined angular position in each of the regions α, β, γ, and the parts to be detected, disposed in the regions α, β, are set such that the combination of items of binarized bit information generated by the two parts to be detected varies with every cylinder.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使从一个传感器获得的信号异常，仅提供来自其余正常传感器的信号，能够提供能够识别每个气缸的发动机气缸识别装置。解决方案：曲柄信号板的外圆周具有等间隔的部分，待检测的多个零件（包括齿和突起）布置在预定的角度范围上，并且至少两种类型的不相等的部分覆盖比等间隔部分更宽的角度范围，在凸轮信号板的外圆周上设置有若干待检测部件（包括齿和突起），凸轮信号板被划分为多个区域气缸，每个区域进一步被划分为至少三个区域α，β，γ，待检测的部分设置在区域α，β，γ和要检测的各个区域中的预定角度位置处，设置在区域α，β中，使得由两个待检测部分生成的二值化位信息的项目的组合随着每个气缸而变化。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2005036733A Atmospheric pressure estimating device of engine 有权
标题翻译：发动机大气压力估算装置
公开(公告)号：JP2005036733A
公开(公告)日：2005-02-10
申请号：JP2003274813
申请日：2003-07-15
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： NAGASE MITSURU , OSATO MASASUKE , FUKUYA HAJIME , TAKADA KENJI
IPC分类号： F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide an atmospheric pressure estimating device of an engine capable of detecting the atmospheric pressure without using an atmospheric sensor in the engine with a supercharger.
SOLUTION: A pressure ratio calculation means 160 calculates the target intake pipe pressure of a pre-set intake pipe pressure absolute pressure and the pressure ratio of the intake pipe pressure after a throttle valve is continuously kept at a specified opening or higher for a specified time. An atmospheric pressure predicted value calculation means 170 calculates an atmospheric pressure predicted value based on the pressure ratio calculated by the pressure ratio calculation means 160. The atmospheric pressure predicted value calculation means 170 calculates the atmospheric pressure predicted value after a vehicle runs by a specified running distance.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够在不使用具有增压器的发动机中的大气传感器的情况下检测大气压力的发动机的大气压力估计装置。解决方案：压力比计算装置160计算预定进气管压力绝对压力的目标进气管压力，节气门连续保持在特定开度或更高的进气管压力的压力比，一个指定的时间。大气压力预测值计算单元170基于由压力比计算单元160计算出的压力比计算大气压力预测值。大气压力预测值计算单元170计算车辆行驶后的大气压力预测值，距离。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004052613A Control device for engine 审中-公开
公开(公告)号：JP2004052613A
公开(公告)日：2004-02-19
申请号：JP2002209025
申请日：2002-07-18
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： NAGASE MITSURU , TAKADA KENJI , OSATO MASASUKE , OBA HISAHIRO , OZAKI SHIGEMI , NODA JUNICHI , SASAKI TOMOHARU
IPC分类号： F02P5/15 , F02D41/04 , F02D41/06 , F02D45/00
CPC分类号： F02D41/062 , F02D13/0261 , F02D41/36 , F02D2041/001 , F02D2200/021 , F02M35/1038 , Y02T10/18
摘要： PROBLEM TO BE SOLVED: To maintain good startability without a cost increase by effectively utilizing information from a pressure sensor mounted on an intake system for preventing the worsening of the next-time startability when the flow of exhaust gas is reversed to an intake side after stopping an engine.
SOLUTION: This control device comprises difference storage means for keeping an air passage area at a preset value or smaller until pressure in an intake pipe becomes the atmospheric pressure or preset pressure when stopping the engine, detecting the variation of the pressure in the intake pipe until the pressure in the intake pipe becomes the atmospheric pressure or the preset pressure, comparing the detected variation with a preset threshold value, and storing a difference therebetween, and at least one of correcting means, as engine starting correcting means, for changing the supply amount of a fuel at starting, for changing a supply timing for the fuel at starting, for changing an ignition timing at starting, or for changing the passage area of the intake system at starting when the stored difference in variation is larger than the preset threshold value.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2008151020A Cylinder injection engine having piston with level difference and control device 审中-公开
标题翻译：具有水平差异和控制装置的活塞的气缸喷射发动机
公开(公告)号：JP2008151020A
公开(公告)日：2008-07-03
申请号：JP2006339383
申请日：2006-12-18
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAGUCHI JUNICHI , KIHARA YUSUKE , SUKEGAWA YOSHIHIRO , KATAOKA TETSUO , NAGASE MITSURU
IPC分类号： F02B23/10 , F02F3/28 , F02M61/14 , F02M61/18
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide a cylinder injection engine for stabling combustion on an ignition retard without providing a deep cavity in a piston and improving efficiency by reducing heat loss of the piston.
SOLUTION: A fuel injection valve is provided with an upside spray hole directing from the fuel injection valve to an ignition plug lower part and a center spray hole directing from the fuel injection valve to the piston and provided in an approximately same surface of an ignition plug center shaft and the upside spray hole. A first level difference in which an intake side is low and an exhaust side is high is provided below the ignition plug of a piston crown surface and a second level difference in which a cylinder outer circumference side is high is provided at a side of a piston surface of the low intake side. The height of both the first level difference and the second level difference is 1-5% of a diameter of the piston crown surface. In the cylinder injection engine, when fuel is injected at 40° before a compression stroke top dead center, fuel spray injected from the upside spray hole collides to a range surrounded by the level difference below the ignition plug and the side level difference.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在点火延迟上稳定燃烧的气缸喷射发动机，而不在活塞中提供深空腔，并且通过减少活塞的热损失来提高效率。解决方案：燃料喷射阀设置有从燃料喷射阀引导到火花塞下部的上侧喷射孔和从燃料喷射阀引导到活塞的中心喷射孔，并且设置在大致相同的火花塞中心轴和上侧喷孔。在活塞顶面的火花塞的下方设置有吸入侧低排气侧的高低差的第一高度差，并且在活塞的一侧设置有气缸外周侧高的第二高度差低吸入面的表面。第一级差和第二级差的高度为活塞冠表面直径的1-5％。在气缸喷射发动机中，当在压缩冲程上死点之前以40°喷射燃料时，从上侧喷射孔喷射的燃料喷雾与由火花塞下方的水平差和侧面水平差包围的范围相撞。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2004293351A Control method of cutting engine fuel 审中-公开
标题翻译：切割发动机燃料的控制方法
公开(公告)号：JP2004293351A
公开(公告)日：2004-10-21
申请号：JP2003084043
申请日：2003-03-26
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： NAGASE MITSURU , OSATO MASASUKE , NODA JUNICHI , FUKUYA HAJIME , SASAKI TOMOHARU
IPC分类号： F02D45/00 , F02D29/00 , F02D41/06 , F02D41/08 , F02D41/32 , F02D41/36
摘要： PROBLEM TO BE SOLVED: To provide a control method for purifying exhaust gas immediately after starting without using a secondary air supplying device nor increasing cost.
SOLUTION: A control device of a multi-cylinder engine comprises an operating condition detecting means detecting an operating condition of an engine, a fuel injection valve supplying the fuel to each cylinder, and a fuel supplying device for calculating a fuel supplying volume and an injection timing from the operating condition of the engine and supplying or stopping the fuel. Under an idling condition immediately after starting the engine, the fuel is intermittently cut by the fuel supplying device after starting till a predetermined time has elapsed.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在起动后立即净化废气的控制方法，而不需要使用二次空气供给装置，也不增加成本。解决方案：多缸发动机的控制装置包括检测发动机的运行状态的操作条件检测装置，向每个气缸供应燃料的燃料喷射阀以及用于计算燃料供给量的燃料供给装置以及来自发动机的运转状态和供给或停止燃料的喷射正时。在起动发动机之后立即空转的情况下，燃料在启动之后被燃料供给装置断续切断，直至经过了规定时间。版权所有（C）2005，JPO＆NCIPI

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