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1. 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

2. 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

3. 发明专利

JP2005030335A Engine speed control device 审中-公开
标题翻译：发动机速度控制装置
公开(公告)号：JP2005030335A
公开(公告)日：2005-02-03
申请号：JP2003272142
申请日：2003-07-09
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 , TAKADA KENJI , OSATO MASASUKE
IPC分类号： F02D45/00 , F02D29/06 , F02D41/08
CPC分类号： F02D41/2448 , F02D41/0002 , F02D41/083 , Y02T10/42
摘要： PROBLEM TO BE SOLVED: To provide an engine speed control device capable of preventing excessive learning of the intake-air volume attributable to the engine load increase by switching the power generation voltage of an alternator, and rapidly converging the engine speed to the target idling engine speed without abruptly increasing the engine speed from the deceleration to the stop of a vehicle. SOLUTION: A target air volume learning means 103 has a learning prohibitive function to prohibit the learning of the intake-air volume for a predetermined period from the start of the switching of power generation voltage of an alternator. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种发动机转速控制装置，其能够通过切换交流发电机的发电电压来防止由于发动机负载增加而引起的进气量的过度学习，并且将发动机转速快速收敛到目标怠速发动机转速，而不会使发动机速度从减速到车辆停止。解决方案：目标空气量学习装置103具有学习禁止功能，以禁止从交流发电机的发电电压的切换开始开始的预定时间段内的进气量的学习。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

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

6. 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

7. 发明专利

JP2008038699A Fuel control device for engine 有权
标题翻译：发动机燃油控制装置
公开(公告)号：JP2008038699A
公开(公告)日：2008-02-21
申请号：JP2006212379
申请日：2006-08-03
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKADA KENJI , OBA HISAHIRO
IPC分类号： F02D41/14 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To correct an amount of fuel injected during transition based on the pressure of a suction pipe and an air/fuel ratio and to accurately control the air/fuel ratio in a fuel control device for an engine.
SOLUTION: The fuel control device includes an operating condition detection means 51 to detect the operating condition of a vehicle so as to discriminate a transient state, a suction pipe pressure detection means 9 to detect the pressure of the suction pipe of the engine, an air/fuel ratio sensor or O
2 sensor 25 installed in an exhaust pipe, a basic fuel calculation means 50 to calculate a basic fuel injection amount based on the number of revolution of the engine and a suction air amount, an air/fuel ratio feedback control means 52 for feedback control of the basic fuel injection amount based on a detection result of the air/fuel ratio sensor, and a transient fuel correction means 53 to correct the basic fuel injection amount. The transient fuel correction means 53 corrects the basic fuel injection amount based on the suction pipe pressure detected by the suction pipe pressure detection means 9 and the air/fuel ratio detected by the air/fuel ratio sensor 25 when the operating condition detection means 51 discriminates the transient state.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：基于吸入管的压力和空气/燃料比来校正在过渡期间喷射的燃料量并且精确地控制用于发动机的燃料控制装置中的空燃比。解决方案：燃料控制装置包括：操作状态检测装置51，用于检测车辆的运行状况以判别过渡状态;吸入管压力检测装置9，用于检测发动机的吸入管的压力; ，安装在排气管中的空气/燃料比传感器或O 2传感器25，基本燃料计算装置50，用于基于发动机的转数和吸力计算基本燃料喷射量空气量，用于基于空燃比传感器的检测结果反馈控制基本燃料喷射量的空气/燃料比反馈控制装置52以及用于校正基本燃料喷射量的瞬时燃料校正装置53。瞬时燃料校正装置53基于由吸入管压力检测装置9检测到的吸入管压力和由空气/燃料比传感器25检测到的空气/燃料比来校正基本燃料喷射量，当操作条件检测装置51识别过渡状态。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2008138522A Method of early warming up catalyst during engine starting, and fuel control device provided with the method 审中-公开
标题翻译：在发动机起动期间早期加热催化剂的方法以及用该方法提供的燃料控制装置
公开(公告)号：JP2008138522A
公开(公告)日：2008-06-19
申请号：JP2006322749
申请日：2006-11-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ASANO SEIJI , OBA HISAHIRO , OSATO MASASUKE , TAKADA KENJI , NAGASE MITSURU , SEKINE HIROSHI
IPC分类号： F02D41/06 , F01N3/20 , F02D43/00 , F02D45/00 , F02P5/15
CPC分类号： F02D41/0255 , F02D2200/0802 , Y02T10/26
摘要： PROBLEM TO BE SOLVED: To provide a method of early warming up a catalyst comprising determing fuel properties from the amount of correction to ignition timing in order to suppress rotational variations during idling, correcting the amount of fuel based on the result of the determination, and controlling ignition timing and an air-fuel ratio so as not to cause overloading to an ISC air amount during starting, torque-down, and a step in torque level. SOLUTION: Ignition retard based control is performed until kindling is formed at a heat spot of a catalyst immediately after starting, and lean air-fuel ratio based control is performed led from ignition retard based control at the time it is determined that the kindling has been developed at the heat spot of the catalyst. Also, during transition from the ignition retard based control to the lean air-fuel ratio based control, transitional control is performed to trace an equal ISC air amount line so as not to cause torque variations. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种早期预热催化剂的方法，其包括将燃料性质从对点火正时的校正量确定，以便抑制怠速期间的旋转变化，基于所述燃料的结果来校正燃料量确定和控制点火正时和空燃比，以便在启动，扭矩下降和转矩水平阶段不会导致ISC空气量过载。解决方案：执行基于点火延迟的控制，直到在启动后立即在催化剂的热点处形成点火，并且基于从基于点火延迟的控制执行基于稀燃空燃比的控制，在确定在催化剂的热点处开发了点火。此外，在从基于点火延迟的控制到基于稀空燃比的控制的转变期间，执行过渡控制以追踪相等的ISC空气量线，以便不引起扭矩变化。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2009183064A Alternator control diagnosing device 审中-公开
标题翻译：交流电机控制诊断装置
公开(公告)号：JP2009183064A
公开(公告)日：2009-08-13
申请号：JP2008019738
申请日：2008-01-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MISHIRO KEIICHI , NISHIDA SHIGERU , TAKADA KENJI
IPC分类号： H02J7/14 , H02P9/14 , H02P9/30
摘要： PROBLEM TO BE SOLVED: To provide an alternator control diagnosing device which reliably and promptly detects deterioration/failure of an alternator and its control system, even when controlling the generation of the alternator so as to enhance exhaust emission performance, startability and fuel economy or the like. SOLUTION: After the power generating voltage of the alternator 20 starts to change, the alternator control diagnosing device detects the difference between the respective values of intake air amount showing an engine load and battery voltage and the respective values before the change of the power generating voltage. When the difference does not exceed the determining value determined respectively according to the change amount of the power generating voltage, within a prescribed period after the power generating voltage starts to change, the alternator control diagnosing device determines a failure of the alternator and its control system. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在控制交流发电机的产生，提高废气排放性能，起动性和燃料的情况下，也能够提供可靠且及时地检测交流发电机及其控制系统的劣化/故障的交流发电机控制诊断装置经济等。解决方案：在交流发电机20的发电电压开始变化之后，交流发电机控制诊断装置检测显示发动机负荷和电池电压的进气量的各个值与变更前的各个值之间的差发电电压。当差异不超过根据发电电压的变化量分别确定的确定值时，在发电电压开始变化之后的规定时间内，交流发电机控制诊断装置判定交流发电机及其控制系统的故障。版权所有（C）2009，JPO＆INPIT

10. 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

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