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71. 发明专利

JP2008069665A Fuel injection control device of engine 有权
标题翻译：发动机燃油喷射控制装置
公开(公告)号：JP2008069665A
公开(公告)日：2008-03-27
申请号：JP2006247175
申请日：2006-09-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KATOGI KOZO , ICHIHARA TAKANOBU , TAKAMURA HIROYUKI , KANETOSHI KAZUHIKO
IPC分类号： F02D41/04 , F02D29/00 , F02D41/06 , F02D41/08 , F02D41/12 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To correct a fuel increase quantity after starting, by determining an accurate rotational variation, by determining a rotational variation in an engine, only when an engine state and an operation state satisfy a predetermined starting time condition in the rotational variation in the engine, by determining a fuel property in starting by determining the rotational variation in the engine, without determining the fuel property by racing of an engine speed, for the purpose of solving the problem by this invention.
SOLUTION: A fuel control device of the engine has an elapsed time measuring means 302 measuring elapsed time until a pulse signal from a crank angle sensor 16 becomes the predetermined pulse number when the engine water temperature falls within a predetermined range, a throttle valve is a closed state and a vehicle is stopped, and a correction means 304 correcting the elapsed time measured by the elapsed time measuring means 302, and controls a fuel injection quantity based on a variation parameter by calculating a rotational variation parameter of the engine with every explosion from the corrected elapsed time.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过确定发动机的旋转变化，通过确定精确的旋转变化来校正起动后的燃料增加量，只有当发动机状态和运行状态满足预定的起动时间条件时为了解决本发明的问题，通过确定发动机的旋转变化来确定起动时的燃料特性，而不需要通过发动机转速来确定燃料特性来确定发动机的旋转变化。解决方案：发动机的燃料控制装置具有经过时间测量装置302，当发动机水温处于预定范围内时，测量直到来自曲柄角传感器16的脉冲信号变为预定脉冲数的经过时间，节气门阀是关闭状态，车辆停止，以及校正装置304，其校正经过时间测量装置302测量的经过时间，并且通过计算发动机的旋转变化参数来控制基于变化参数的燃料喷射量，每次爆炸从经过修正的时间。版权所有（C）2008，JPO＆INPIT

72. 发明专利

JP2008069662A Engine control device 有权
标题翻译：发动机控制装置
公开(公告)号：JP2008069662A
公开(公告)日：2008-03-27
申请号：JP2006247113
申请日：2006-09-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA SHINJI , KANETOSHI KAZUHIKO , KATOGI KOZO , ICHIHARA TAKANOBU , OSUGA MINORU
IPC分类号： F02D41/06 , F02D41/04 , F02D45/00
CPC分类号： F02D41/047 , F02D21/00 , F02D35/023 , F02D35/025 , F02D41/008 , F02D41/06 , F02D41/1497 , F02D41/34 , F02D2200/0614 , F02M26/00 , Y02T10/44
摘要： PROBLEM TO BE SOLVED: To provide an engine control device capable of highly accurately and robustly controlling the combustion air-fuel ratio just after starting, by taking into consideration influence of an intake passage inner wall flow generated in starting. SOLUTION: This engine control device arithmetically operates a fuel injection quantity with every one cycle, and has a combustion fuel quantity means for directly or indirectly detecting a combustion fuel quantity in respective cylinders in the cycle, and a residual fuel quantity arithmetic operation means for arithmetically operating a residual fuel quantity (an unburnt fuel quantity) generated in the cycle, based on a difference between the injection fuel quantity and the combustion fuel quantity in the cycle. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过考虑起动时产生的进气通道内壁流动的影响，提供能够高效准确地并且稳定地控制起动后的燃烧空燃比的发动机控制装置。解决方案：该发动机控制装置以每一个循环算术地操作燃料喷射量，并且具有用于直接或间接地检测循环中各个气缸中的燃料燃料量的燃烧燃料量装置和残余燃料量算术运算用于根据循环中的喷射燃料量和燃烧燃料量之间的差异，计算在循环中产生的残余燃料量（未燃燃料量）的运算装置。版权所有（C）2008，JPO＆INPIT

73. 发明专利

JP2007127007A Control device for internal combustion engine 审中-公开
标题翻译：内燃机控制装置
公开(公告)号：JP2007127007A
公开(公告)日：2007-05-24
申请号：JP2005318981
申请日：2005-11-02
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ICHIHARA TAKANOBU , KANETOSHI KAZUHIKO , KATOGI KOZO , NAKAGAWA SHINJI
IPC分类号： F02D43/00 , F02D41/36 , F02D45/00 , F02P5/15
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To surely reduce the exhausted amount of HC by a soft to standard gasoline while preventing an operability from being deteriorated by a heavy gasoline by accurately determining fuel properties while preventing a combustion state and the operability from being deteriorated without relying on the variation and dispersion of loads on an engine to increase the accuracy of the determination of the fuel properties.
SOLUTION: This control device comprises a means for providing a crank angular velocity in the combustion stroke of each cylinder, an injection volume set means reducing the volume of the fuel injection of a part of cylinders at a predetermined volume rate against the other cylinders, an ignition timing set means advancing the ignition timings of the volume-reduced cylinders more than those of the other cylinders, a means calculating the varied amount of the crank angular velocities of the volume-reduced cylinders against the crank angle velocities of the non-volume-reduced cylinders, a means comparing the varied amounts of the crank angle velocities with a predetermined threshold, and a means adjusting the various engine control amounts including a fuel injection amount and retard-angle correction amount of ignition timing according to the results of the comparison.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过精确地确定燃料性能同时防止燃烧状态和可操作性劣化而可以通过软的标准汽油来确实地减少HC的排出量，同时防止可重复性的汽油劣化的可操作性，而没有依靠发动机上的负载的变化和分散，以提高燃料性质确定的准确性。解决方案：该控制装置包括用于在每个气缸的燃烧行程中提供曲柄角速度的装置，一个喷射容量设定装置将一部分气缸的燃料喷射量以相对于另一个的预定体积率减小气缸，点火正时设定装置意味着使体积减小的气缸的点火时间比其他气缸的点火正时更大，一个计算体积减小气缸的曲柄角速度相对于非气缸的曲柄角速度的变化量的装置， - 减缸，将曲柄角速度的变化量与预定阈值进行比较的装置，以及根据下述结果调整包括燃料喷射量和点火正时延迟角修正量的各种发动机控制量的装置比较。版权所有（C）2007，JPO＆INPIT

74. 发明专利

JP2006317297A Method for diagnosing degradation of thermal flowmeter and output correction method 审中-公开
标题翻译：用于诊断热流量计和输出校正方法的方法
公开(公告)号：JP2006317297A
公开(公告)日：2006-11-24
申请号：JP2005140558
申请日：2005-05-13
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TOKUYASU NOBORU , IGARASHI SHINYA , FUKATSU KATSUAKI , KADOHIRO TAKASHI , IWAKI HIDEFUMI , SUKEGAWA YOSHIHIRO , YAMAOKA SHIRO , ICHIHARA TAKANOBU
IPC分类号： G01F1/698 , F02M25/07 , G01F1/68
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To solve the problem that fouling and degradations simultaneously occur in a heating resistor etc. to cause a substantial degradation in accuracy in a short time since especially diesel exhaust gases contain a large amount of fouling components such as carbon and oil in the case of measuring the quantity of flow of exhaust gases. SOLUTION: A means for determining degradations of a flowmeter is provided for the inside of ECU or a flowmeter. Degradations of the flowmeter is determined by the degradation determination means before the engine is started or with an engine in a state of steady operation after it is started. Output of the flowmeter is corrected on the basis of determination results. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题：为了解决在加热电阻器等中同时发生的结垢和劣化的问题，在短时间内导致精度的显着劣化，特别是柴油废气中含有大量的污垢成分如碳在测量废气流量的情况下为油。
解决方案：为ECU或流量计内部提供了一种用于确定流量计劣化的装置。在发动机起动之前，由发动机起动之后的劣化判定装置，或者起动后的发动机处于稳定运行状态，来决定流量计的劣化。基于确定结果校正流量计的输出。版权所有（C）2007，JPO＆INPIT

75. 发明专利

JP2006316706A Exhaust gas recirculation device and control method of internal combustion engine 审中-公开
标题翻译：排气再循环装置及内燃机控制方法
公开(公告)号：JP2006316706A
公开(公告)日：2006-11-24
申请号：JP2005140553
申请日：2005-05-13
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ICHIHARA TAKANOBU , KATOGI KOZO , SUKEGAWA YOSHIHIRO , YAMAOKA SHIRO , IWAKI HIDEFUMI , IGARASHI SHINYA , FUKATSU KATSUAKI , KADOHIRO TAKASHI , TOKUYASU NOBORU
IPC分类号： F02M25/07
CPC分类号： F02M26/47 , F02M26/05
摘要： PROBLEM TO BE SOLVED: To minimize an emission of NOx and soot in exhaust gas even when the operation state of an internal combustion engine is varied. SOLUTION: In an exhaust gas recirculation device equipped with an EGR valve and an exhaust oxygen concentration sensor, an EGR gas flow rate sensor comprised of a heating resistance is provided in the recirculation flow passage, an opening of the EGR valve is adjusted in accordance with a detected oxygen concentration of the exhaust oxygen concentration sensor in a predetermined operation state 1, and the opening of the EGR valve is adjusted in accordance with the detected gas flow rate of the EGR gas flow rate sensor in a predetermined operation state 2 wherein the exhaust oxygen concentration is higher as compared with the predetermined operation state 1. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使当内燃机的操作状态发生变化时，也能尽量减少废气中的NOx和烟尘的排放。解决方案：在配备有EGR阀和排气氧浓度传感器的废气再循环装置中，在再循环流路中设置由耐热性构成的EGR气体流量传感器，调整EGR阀的开度根据在规定的运转状态1下的排气氧浓度传感器的检测氧浓度，根据EGR气体流量传感器在规定的运转状态2的检测气体流量来调节EGR阀的开度其中排气氧浓度与预定操作状态1相比较高。（C）2007，JPO＆INPIT

76. 发明专利

JP2006214405A Exhaust gas circulating device for internal combustion engine, and valve module for internal combustion engine 审中-公开
标题翻译：用于内燃机的排气装置，内燃机用阀模块
公开(公告)号：JP2006214405A
公开(公告)日：2006-08-17
申请号：JP2005030424
申请日：2005-02-07
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ICHIHARA TAKANOBU , KATOGI KOZO , MINEGISHI TERUHIKO
IPC分类号： F02M25/07 , F02D9/02
CPC分类号： F02M26/70 , F02D2009/0276 , F02M26/21 , F02M26/48 , F02M26/64
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas circulating device for an internal combustion engine capable of returning by releasing adhesion of an EGR valve caused by dirt, and to provide a valve module for an internal combustion engine applicable to the same. SOLUTION: A throttle valve 10 for changing intake amount is provided in an intake passage 5 of the internal combustion engine, and an EGR passage 8 for supplying EGR gas is connected to the intake passage, and the EGR valve 11 for controlling EGR gas supply amount is provided in the EGR passage, and the throttle vale and the EGR valve are arranged close to each other. Levers 31 and 32 are fitted to each of a shaft of the throttle valve and a shaft of the EGR valve, and a push rod 33 is provided between the levers. When the EGR valve is adhered, the lever 31 is rotated by a motor 16 to an enlargement operation range θ2, and the torque in the opening direction is transmitted to the lever 32 fitted to the shaft of the EGR valve through the push rod to release adhesion of the EGR valve 11. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过释放由污垢引起的EGR阀的粘附而返回的内燃机的废气循环装置，并且提供可应用于其的内燃机的阀模块。解决方案：在内燃机的进气通道5中设置用于改变进气量的节气门10，并且用于供给EGR气体的EGR通道8连接到进气通道，并且用于控制EGR的EGR阀11 在EGR通路中设置有气体供给量，并且节流阀和EGR阀彼此靠近配置。杠杆31和32安装在节流阀的轴和EGR阀的轴之间，并且推杆33设置在杠杆之间。当EGR阀被粘附时，杠杆31由马达16旋转到放大运行范围θ2，并且打开方向上的扭矩通过推杆传递到安装在EGR阀的轴上的杠杆32以释放 EGR阀11的粘附。版权所有（C）2006，JPO＆NCIPI

77. 发明专利

JP2006194110A Control method of fuel feeder of internal combustion engine 审中-公开
标题翻译：内燃机燃油机控制方法
公开(公告)号：JP2006194110A
公开(公告)日：2006-07-27
申请号：JP2005004649
申请日：2005-01-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ICHIHARA TAKANOBU , KATOGI KOZO , TAKAMURA HIROYUKI
IPC分类号： F02D41/06 , F02D41/34 , F02D45/00 , F02M31/12 , F02M31/135 , F02M53/02 , F02M69/00
摘要： PROBLEM TO BE SOLVED: To prevent a battery from being deteriorated and devise a fuel consumption to be improved by reducing the power consumption of an electric heater in a fuel feeder having the electric heater in an intake tube and promoting the evaporation of a fuel by the electric heater when an engine is cool. SOLUTION: The fuel feeder comprises a main injection valve, the electric heater, and an auxiliary injection valve jetting the fuel to the electric heater in the intake tube. A timing when the temperature of an intake valve rises after starting is determined by using a passed time after starting and the cumulative value of loads after starting, and the ratio of the jetting amount of the main injection valve to the jetting amount of the auxiliary injection valve is changed. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题为了防止电池劣化，并且通过降低在进气管中具有电加热器的燃料供给器中的电加热器的功率消耗来改善燃料消耗，并促进电动机的蒸发发动机冷却时电加热器燃油。解决方案：燃料供给器包括主喷射阀，电加热器和向进气管中的电加热器喷射燃料的辅助喷射阀。进气门启动后上升温度的时间是通过使用启动后的通过时间和启动后的负载的累积值以及主喷射阀的喷射量与辅助喷射的喷射量的比例来确定的阀门更换。版权所有（C）2006，JPO＆NCIPI

78. 发明专利

JP2004052636A Starting device, starting method, control method and exhaust emission control device for internal combustion engine 审中-公开
标题翻译：起动装置，起动方法，控制方法和用于内燃机的排气控制装置
公开(公告)号：JP2004052636A
公开(公告)日：2004-02-19
申请号：JP2002209909
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： ICHIHARA TAKANOBU , NAGANO MASAMI , KATOGI KOZO , SAEKI HIROAKI
IPC分类号： F02N15/00 , F01N3/08 , F01N3/24 , F02D9/02 , F02D17/00 , F02D29/02 , F02D31/00 , F02D41/02 , F02D41/06 , F02D41/32 , F02D43/00 , F02M31/135 , F02M53/02 , F02M69/32 , F02N11/08 , F02N19/00 , F02N19/04 , F02N99/00 , F02N17/00 , F02N17/04 , F02N17/08
CPC分类号： F02D41/3094 , F02D9/02 , F02D31/005 , F02D41/0255 , F02D41/064 , F02D41/067 , F02D41/32 , F02M31/135 , F02M69/325 , F02N11/0818 , Y02T10/126 , Y02T10/26
摘要： PROBLEM TO BE SOLVED: To improve startability and reduce the exhaust amount of HC at starting by offering such construction that a gasified fuel is supplied to a by-path bypassing a main path. SOLUTION: A main air control valve 16 is provided near an intake port 10 in the main air path 3, and the air control valve is closed at starting. Otherwise, additional injection is performed in an early stage of starting cranking by a port injection valve 5. The main air control valve, when provided, accelerates the gasification of the fuel from an auxiliary injection valve 6 in an early stage of stating cranking, improves startability because of a less fuel intake delay and reduces the exhaust amount of HC at starting. The additional injection, when performed in an early stage of cranking by the port injection valve 5, improves startability because of quicker supply of the fuel to cylinders and reduces the exhaust amount of HC at starting. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提高起动性，并且通过提供将气化燃料供给绕过主路径的旁路的结构来提高起动性的HC的排气量。
解决方案：主空气控制阀16设置在主空气路径3中的进气口10附近，空气控制阀在启动时关闭。否则，在通过端口喷射阀5开始起动的早期阶段进行额外的喷射。当设置主空气控制阀时，在起动起动的早期阶段，从辅助喷射阀6加速燃料的气化，改善由于燃料摄入延迟较少，HC启动时的排气量降低，因此可启动性。当在端口喷射阀5的起动初期执行时，附加喷射提高了启动性，因为燃料向气缸的供应更快并且降低了起动时HC的排气量。版权所有（C）2004，JPO

79. 发明专利

JP2003301758A Fuel vaporization accelerator and internal combustion engine equipped with the same 审中-公开
标题翻译：燃油蒸发加速器和内燃式发动机配套
公开(公告)号：JP2003301758A
公开(公告)日：2003-10-24
申请号：JP2002107269
申请日：2002-04-10
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： AMO KIYOSHI , SAEKI HIROAKI , WATANABE KENJI , ICHIHARA TAKANOBU
IPC分类号： F02M31/18 , F02M31/125 , F02M53/02 , F02M69/00
摘要： PROBLEM TO BE SOLVED: To increase a fuel vaporizing capacity of a heater heating surface without causing an increase in power consumption of a heater heating part and an increase in device size, in a fuel vaporization accelerator for an internal combustion engine. SOLUTION: The heating surface 76 as a sub passage 75 in the fuel vaporization accelerator 100 has a projection 220 as a restriction. Thus, a fuel liquid film 106 injected to the heating surface 76 resides longer on the heating surface 76. A quantity of heat transmitted from the heating surface 76 to the fuel liquid film 106 is increased. A vaporization quantity of fuel is increased, so that without an increase in heater capacity and heater heating surface area, a small fuel vaporization accelerator is provided. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：在用于内燃机的燃料汽化促进器中，增加加热器加热面的燃料汽化能力而不引起加热器加热部件的功率消耗的增加和装置尺寸的增加。解决方案：作为燃料汽化促进器100中的副通道75的加热面76具有作为限制的突起220。因此，喷射到加热面76的燃料液膜106在加热面76上滞留较长。从加热面76向燃料液膜106传递的热量增加。燃料的蒸发量增加，因此在不增加加热器容量和加热器加热表面积的情况下，提供小的燃料蒸发促进剂。版权所有（C）2004，JPO

80. 发明专利

JP2003254203A INTERNAL COMBUSTION ENGINE AND FUEL INJECTION SYSTEM INSTALLED ON IT 审中-公开
公开(公告)号：JP2003254203A
公开(公告)日：2003-09-10
申请号：JP2002058302
申请日：2002-03-05
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： OKAMOTO YOSHIO , AMO KIYOSHI , SAEKI HIROAKI , WATANABE KENJI , ICHIHARA TAKANOBU
IPC分类号： F02M69/04 , F02D41/08 , F02M51/02 , F02M69/00
摘要： PROBLEM TO BE SOLVED: To facilitate atomization of fuel supplied to a cylinder, to improve fuel consumption and startability, and to reduce discharged harmful emission in an internal combustion engine. SOLUTION: A first fuel injection valve 2 for injecting fuel into the cylinder 1, an intake-air pipe line 60 leading to the cylinder 1, an intake-air controller 4 disposed in the intake-air pipe line 60, second fuel injection valves 8a, 8b for injecting fuel into the intake-air pipe line 60 downstream the intake-air controller 4, and an air supply means 7 for supplying air into the intake-air pipe line 60 along with fuel injection by the second fuel injection valves 8a, 8b. The second fuel injection valves 8a, 8b are formed in a multiple number, and their respective injection ports are directed to a downstream side of the intake-air pipe line 60 and are disposed opposite to each other so that directions of injection cross each other. COPYRIGHT: (C)2003,JPO

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