会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Temperature estimating method for fuel injection valve, and fuel injection quantity correcting method for fuel injection valve using this temperature estimating method
    • 燃油喷射阀的温度估算方法和燃料喷射阀的燃油喷射量校正方法使用该温度估算方法
    • JP2005180352A
    • 2005-07-07
    • JP2003423657
    • 2003-12-19
    • Toyota Central Res & Dev Lab IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • KANEKO MASATOJINBO TOMOHIKO
    • F02M53/04F02D41/04F02D41/06F02D45/00
    • PROBLEM TO BE SOLVED: To provide a temperature estimating method for a fuel injection valve capable of more accurately estimating the temperature of fuel injection valve, and also provide a fuel injection quantity correcting method for the fuel injection valve, capable of suppressing a drop in control accuracy of the fuel injection quantity due to influence of temperature characteristics of the fuel injection valve.
      SOLUTION: The temperature of the fuel flow into the fuel injection valve is estimated by an atmosphere temperature of a fuel pipe and a fuel flow quantity flowing into the fuel injection valve, and the fuel temperature estimated is set to be a needle valve temperature Tn. A body temperature Ti of the fuel injection valve is estimated based on the fuel temperature estimated and a temperature of the portion where the fuel injection valve is attached. A temperature correction coefficient KT is calculated based on the difference ΔT between the body temperature Ti and the needle valve temperature Tn, and the basic fuel injection quantity Qb is corrected using the temperature correction coefficient KT.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够更精确地估计燃料喷射阀的温度的燃料喷射阀的温度估计方法,并且还提供一种能够抑制燃料喷射阀的燃料喷射阀的燃料喷射量校正方法, 由于燃料喷射阀的温度特性的影响,燃料喷射量的控制精度降低。 解决方案:通过燃料管的气氛温度和流入燃料喷射阀的燃料流量来估算进入燃料喷射阀的燃料的温度,并且将估计的燃料温度设定为针阀 温度Tn。 基于估计的燃料温度和安装燃料喷射阀的部分的温度来估计燃料喷射阀的体温Ti。 基于体温Ti和针阀温度Tn之间的差ΔT计算温度校正系数KT,并且使用温度校正系数KT校正基本燃料喷射量Qb。 版权所有(C)2005,JPO&NCIPI
    • 2. 发明专利
    • Total evaluation device for exhaust emission control device
    • 用于排气控制装置的总体评估装置
    • JP2005048642A
    • 2005-02-24
    • JP2003280848
    • 2003-07-28
    • Toyota Central Res & Dev Lab IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • KOJIMA SHINJIJINBO TOMOHIKOKATO KENJIMIYASHITA SHIGEKIWATABE GAO
    • F01N3/20F01N3/08F01N3/28
    • Y02A50/2322
    • PROBLEM TO BE SOLVED: To provide a total evaluation device for an exhaust emission control device, allowing the prediction and determination of the deterioration of the exhaust emission control device or the evaluation of the durability thereof. SOLUTION: The performance of a catalyst of a NOx occlusion/reduction type or an adsorption type is estimated from its history in use, and the degree of deterioration is determined. A catalyst of a NOx occlusion/reduction type or an adsorption type is made up in a shorter durability testing time which has a deteriorating condition similar to the deteriorating condition of the catalyst of the NOx occlusion/reduction type or the adsorption type when a vehicle travels at a target travel distance or for a target travel time as predetermined. It allows the prediction and determination of the deterioration of the exhaust emission control device or the evaluation of the durability thereof. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于废气排放控制装置的综合评估装置,能够预测和确定废气排放控制装置的劣化或评估其耐久性。 解决方案:根据其使用历史估计NOx吸留还原型或吸附型催化剂的性能,并且确定劣化程度。 NOx吸留还原型或吸附型的催化剂在较短的耐久性试验时间内形成,该耐久性试验时间具有与NOx吸留还原型催化剂的劣化状态或车辆行驶时的吸附型相似的劣化条件 在目标行驶距离处或者作为预定的目标行驶时间。 能够预测和确定废气排放控制装置的劣化或其耐久性的评估。 版权所有(C)2005,JPO&NCIPI
    • 3. 发明专利
    • Optimal ignition timing setting method of spark ignition internal combustion engine and optimal ignition timing setting device of spark ignition internal combustion engine
    • 火花点火内燃机的最佳点火时间设定方法及最佳点火时间设定火花点火内燃机的设备
    • JP2007332934A
    • 2007-12-27
    • JP2006169002
    • 2006-06-19
    • Toyota Central Res & Dev Lab Inc株式会社豊田中央研究所
    • JINBO TOMOHIKOKOJIMA SHINJI
    • F02P5/152F02D45/00F02P5/153
    • Y02T10/46
    • PROBLEM TO BE SOLVED: To set the optimal ignition timing of a spark ignition internal combustion engine of reflecting an operation condition and an operation state of an internal combustion engine. SOLUTION: This method for determining the optimal ignition timing, delays the ignition timing little by little from an initial value SA 1 (S10 and S12), and determines an average indicator characteristic curve and torque τ in its ignition timing advance angle by performing combustion simulation (S14), and determines whether or not knocking is caused by using an ignition timing predicting technique (S16 and S18), and sets the optimal ignition timing (S22) by the limit ignition timing of causing the knocking. Here, the ignition timing predicting technique (S16) starts the average indicator characteristic curve calculated by the combustion simulation, and predicts the existence of the occurrence of knocking on its ignition timing, by using a cycle variation mode, a self-ignition predicting model and a knock determining value variation model. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:设置反映操作状态和内燃机的操作状态的火花点火式内燃机的最佳点火正时。 解决方案:用于确定最佳点火正时的方法,使点火正时从初始值SA 1(S10和S12)逐渐延迟,并确定平均指标特性曲线和转矩τ 通过进行燃烧模拟(S14)的点火正时提前角(S14),判断是否使用点火正时预测技术引起了爆震(S16和S18),并将最佳点火正时(S22)设定为极限点火正时 引起敲门声。 这里,点火正时预测技术(S16)开始通过燃烧模拟计算的平均指标特性曲线,并且通过使用循环变化模式,自点火预测模型来预测其点火正时发生的发生的存在, 爆震判定值变异模型。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2013036337A
    • 2013-02-21
    • JP2011170301
    • 2011-08-03
    • Toyota Motor Corpトヨタ自動車株式会社Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • SATA KOTAJINBO TOMOHIKOHIBINO RYOICHI
    • F02M25/07F02D21/08F02D41/02F02D41/32
    • Y02T10/47
    • PROBLEM TO BE SOLVED: To prevent occurrence of an unexpected misfire in an internal combustion engine having an outside EGR (Exhaust Gas Recirculation) device.SOLUTION: A control device 100 of the internal combustion engine is the control device for the internal combustion engine 1 including cylinders 11, a suction passage 12 and an exhaust passage 13 respectively connected to the cylinders, a catalyst 14 disposed in the exhaust passage, and an EGR device 15 having an EGR passage 151 whose one end is connected to the exhaust passage and whose other end is connected to the suction passage, and capable of recirculating at least a part of exhaust gas discharged from the cylinders to the suction passage side, and a fuel supply means 16 capable of supplying fuel to the cylinders. The control device includes a control means 21 for controlling the fuel supply means so that fuel is not supplied depending on temperature of the catalyst. The control means further controls the EGR device so that an EGR rate is lowered at fuel cut disabled time when the fuel supply means cannot be controlled to prevent fuel supply as compared with fuel cut time when the fuel supply means can be controlled to prevent fuel supply.
    • 要解决的问题:为了防止在具有外部EGR(排气再循环)装置的内燃机中发生意外的失火。 内燃机的控制装置100是内燃机1的控制装置,包括分别连接到气缸的气缸11,吸入通道12和排气通道13,设置在排气口中的催化剂14 通路以及具有EGR通路151的EGR装置15,EGR通路151的一端与排气通路连接,另一端与吸入通路连接,能够将从气缸排出的废气的至少一部分再循环到吸入口 通道侧,以及能够向气缸供给燃料的燃料供给装置16。 控制装置包括用于控制燃料供应装置的控制装置21,使得不依赖于催化剂的温度供应燃料。 控制装置进一步控制EGR装置,使得当燃料供给装置不能被控制以防止燃料供应与燃料供应装置相比燃料供应装置被控制以防止燃料供应时,在燃料切断禁用时间期间EGR率降低 。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2013032740A
    • 2013-02-14
    • JP2011169374
    • 2011-08-02
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所Toyota Motor Corpトヨタ自動車株式会社
    • JINBO TOMOHIKOISHINO MINORUHIBINO RYOICHITANAKA SATOSHISATA KOTAISHIBUCHI MASAAKI
    • F02D45/00F02D21/08
    • PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of determining exhaust pressure without performing repetitive computation.SOLUTION: Characteristics of the change of the rate of an exhaust flow before passing a turbine wheel 36 with respect to an expansion ratio are decided in a control part 20 in which the characteristic formula of the turbine wheel 36 divided division by the division of the expansion ratio and approximated to a linear expression is stored. The control part 20 calculates the candidate value of the exhaust pressure before passing the turbine wheel 36 from the rate of a suction flow after passing a compressor wheel 34 acquired by a suction flow acquiring means 14 and factors of a plurality of linear expressions. Furthermore, the candidate value of the expansion ratio is calculated by entering the exhaust pressure candidate value, and among a plurality of expansion ratio candidate values, one including the expansion ratio candidate value in the expansion ratio division of the linear expression corresponding to the expansion ratio candidate value is extracted, and the exhaust pressure candidate value used in calculating the extracted expansion ratio candidate value is decided as the exhaust pressure before passing the turbine wheel 36, and the control of the internal combustion engine 33 is conducted on the basis of the decided exhaust pressure.
    • 解决的问题:提供一种能够在不执行重复计算的情况下确定排气压力的内燃机的控制装置。 解决方案:在通过涡轮机叶轮36相对于膨胀比的排气流量的变化率的特性在控制部分20中确定,其中涡轮机叶轮36的特征公式除以除法 的膨胀比并且近似于线性表达式被存储。 控制部20在通过由吸引流量取得单元14取得的压缩机叶轮34之后的吸入流量和多个线性式的要素之间,计算出通过涡轮机叶轮36之前的排气压力的候选值。 此外,通过输入排气压力候补值来计算膨胀比的候选值,并且在多个膨胀比候选值中,包括与膨胀比对应的线性表达式的膨胀比分割中的膨胀比候选值 提取候选值,并且将用于计算提取的膨胀比候选值的排气压力候选值确定为通过涡轮机轮36之前的排气压力,并且内燃机33的控制基于所决定的 排气压力。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Egr valve control device and program
    • EGR阀控制装置和程序
    • JP2011179448A
    • 2011-09-15
    • JP2010046042
    • 2010-03-03
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • JINBO TOMOHIKOSATA KOTA
    • F02M25/07F02D9/02F02D13/02F02D21/08
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To prevent an EGR rate from exceeding an upper limit value in the process converging the EGR rate to a target value. SOLUTION: A calculation part 24 of an EGR valve control device 10 calculates the opening of an EGR valve 14 in a delay period from the present time when an opening command of a throttle valve 18 is received to an actuation time when the throttle valve 18 is opened according to the opening command. In a storage part 26 of the EGR valve control device 10, the target value of the EGR rate is stored, and at the same time, the upper limit value of the EGR rate is stored as a constraint. The calculation part 24 calculates the opening of the EGR valve 14 within a range not deviating from the constraint in order to converge the EGR rate to the target value. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了防止在将EGR率收敛到目标值的过程中EGR率超过上限值。 解决方案:EGR阀控制装置10的计算部24在从节气门18的打开指令被接收到当前节流阀18的启动时间的当前时间的延迟期间内计算EGR阀14的开度 阀18根据打开指令打开。 在EGR阀控制装置10的存储部26中,存储EGR率的目标值,并且同时存储EGR率的上限值作为约束。 计算部24在不偏离约束的范围内计算EGR阀14的开度,以将EGR率收敛到目标值。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Control device for egr valve
    • EGR阀控制装置
    • JP2013032732A
    • 2013-02-14
    • JP2011168877
    • 2011-08-02
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所Toyota Motor Corpトヨタ自動車株式会社
    • JINBO TOMOHIKOHIBINO RYOICHITANAKA SATOSHISATA KOTAISHIBUCHI MASAAKI
    • F02M25/07
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To solve such the problem that there is a possibility that an EGR rate in actual intake does not agree with a target EGR rate by a recirculated exhaust amount control based on only the flow rate of the recirculated exhaust gas when passing through an EGR valve.SOLUTION: A control device 10 includes an EGR valve 14 and a control unit 20. The control unit 20 calculates the predicted value of a recirculated exhaust gas amount Mwhen passing through the intake valve 16 of an internal combustion engine 22, on the basis of a recirculated exhaust amount Mand its change amount δMwhen passing through the EGR valve 14. The control unit: calculates an evaluation value on the basis of the difference between the predicted value and a target value Mof the recirculated exhaust amount Mof the recirculated exhaust gas when passing through the intake valve 16, and the change amount δMof the recirculated exhaust gas when passing through the EGR valve 14; obtains a change amount δMas an optimal value that gives the minimum of the evaluated value under the restricted conditions of the recirculated exhaust amount Mand its change amount δMof the gas when passing through the EGR valve 14 and of the recirculated exhaust amount Mof the gas when passing through the intake valve 16; and thereby determines the opening of the EGR valve 14.
    • 要解决的问题为了解决这样的问题,即仅通过再循环废气的流量,通过再循环排气量控制,实际进气中的EGR率与目标EGR率不一致 当通过EGR阀时。 解决方案:控制装置10包括EGR阀14和控制单元20.控制单元20计算再循环排气量M egr egr 通过内燃机22的进气门16时,POS =“POST”> cyl 及其变化 通过EGR阀14时的量δM egr 。控制单元:基于预测值与目标值M egr < 当通过进气阀16时,再循环排气的流量> cyl 和通过EGR阀14时再循环废气的变化量δM egr 获得变化量δM egr 作为在再循环排气量M egr的限制条件下给出最小值的最优值, / SB>及其通过EGR阀14时的气体的变化量δM egr 和再循环排气量M egr cyl ; 从而确定EGR阀14的打开。版权所有:(C)2013,JPO&INPIT
    • 8. 发明专利
    • Control apparatus for internal combustion engine
    • 内燃机控制装置
    • JP2013032759A
    • 2013-02-14
    • JP2011170089
    • 2011-08-03
    • Toyota Motor Corpトヨタ自動車株式会社Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • TANAKA SATOSHISATA KOTAISHIBUCHI MASAAKIJINBO TOMOHIKOHIBINO RYOICHI
    • F02D21/08
    • F02M26/00F02D41/005F02D41/0065F02D41/0072F02D41/145F02D2041/1412F02D2041/1433F02D2200/0408Y02T10/47
    • PROBLEM TO BE SOLVED: To perform the control of an EGR amount at an optimal level regardless of an operating condition of a vehicle.SOLUTION: A control apparatus (100) controls an internal combustion engine (200) including an EGR device (300) having: an EGR passage (301); and an EGR valve (303) which is disposed at the EGR passage and can control an EGR amount. The control apparatus includes: an estimate means that estimates a state quantity of the internal combustion engine which influences a behavior of EGR gas during a prescribed period from the present to the future; a setting means that sets a constraint of the EGR amount during the prescribed period based on approximate dynamics in which actual dynamics of the EGR amount defining an actual constraint of the EGR amount are approximated so that an approximated value does not exceed the actual dynamics; a determination means that determines a target value of the EGR amount according to the estimated state amount within a range of the set constraint; and a control means that controls the EGR valve so that the determined target value can be obtained.
    • 要解决的问题:无论车辆的运行状况如何,都以最佳水平执行EGR量的控制。 控制装置(100)控制包括具有EGR通路(301)的EGR装置(300)的内燃机(200)。 以及EGR阀(303),其设置在EGR通路处并能够控制EGR量。 控制装置包括:估计装置,其估计在从现在到未来的规定期间影响EGR气体的行为的内燃机的状态量; 基于近似动力学来设定在规定期间内的EGR量的约束的设定单元,其中近似值近似的EGR量的实际动力学近似值不超过实际动力学; 确定装置,根据设定约束的范围内的估计状态量确定EGR量的目标值; 以及控制装置,其控制EGR阀,使得可以获得确定的目标值。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2013032741A
    • 2013-02-14
    • JP2011169375
    • 2011-08-02
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所Toyota Motor Corpトヨタ自動車株式会社
    • JINBO TOMOHIKOHIBINO RYOICHITANAKA SATOSHISATA KOTAISHIBUCHI MASAAKI
    • F02D21/08F02D9/02F02D13/02F02D41/12F02D43/00F02M25/07
    • PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of preventing an EGR rate from exceeding an upper limit EGR rate while a drop of drivability is precluded.SOLUTION: The control device 10 includes a throttle valve 12 to adjust a new air amount to be fed to a suction pipe 28, an EGR valve 14 to adjust a recirculating exhaust gas amount in a returning part of the exhaust gas of the internal combustion engine 22 to the suction pipe 28, and a suction valve 16 to adjust the suction air introducing amount in introducing a suction gas as the mixture of the new air and the recirculating exhaust gas from the suction pipe 28 to the combustion chamber 26 of the internal combustion engine 22. Furthermore, a control part 20 is provided to control the throttle valve 12 and throttles the opening of the suction valve 16 not to exceed the upper limit value of the EGR rate as the mix proportion of the recirculating exhaust gas amount when openings of the throttle valve 12 and EGR valve 14 are throttled.
    • 要解决的问题:提供一种能够防止EGR率超过上限EGR率的内燃机的控制装置,同时防止驾驶性能下降。 解决方案:控制装置10包括节流阀12,用于调节供给到吸入管28的新的空气量,EGR阀14,以调节废气的返回部分中的再循环排气量 内燃机22到吸入管28,以及吸入阀16,用于将作为新空气和再循环废气的混合物的吸入气体从吸入管28引入到燃烧室26的调节吸入空气导入量 此外,设置控制部20以控制节气门12并且将吸入阀16的开度节流到不超过EGR率的上限值,作为再循环排气量的混合比例 当节流阀12和EGR阀14的开度被节流时。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Performance control device of internal combustion engine
    • 内燃机性能控制装置
    • JP2008175198A
    • 2008-07-31
    • JP2007161112
    • 2007-06-19
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • JINBO TOMOHIKOHAYAKAWA GIICHI
    • F02D45/00
    • PROBLEM TO BE SOLVED: To mount a physical model capable of calculating a state quantity of each system of an internal combustion engine, based on a plurality of control inputs in a control device of an internal combustion engine. SOLUTION: An engine control unit 40 of an internal combustion engine control device includes a state quantity calculator 60 which applies control inputs 42 to a physical model of an engine system to calculate a state quantity in each element. The state quantity calculator 60 divides one cycle of suction-combustion-discharge in each cylinder into a discrete time based on a cyclic phenomenon of the internal combustion engine, making an integrated discrete-time-period model 44, i.e., a physical model of a discrete time about the whole of the engine system. The integrated discrete-time model 44 includes, as its lower layer physical model, a suction system discrete time model 70, a combustion system discrete time model 72, a discharge system discrete time model 74, a fuel system discrete time model 76, a translation rotational system discrete time model 78, and an engine performance model 80. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:基于内燃机的控制装置中的多个控制输入来安装能够计算内燃机的每个系统的状态量的物理模型。 解决方案:内燃机控制装置的发动机控制单元40包括状态量计算器60,其将控制输入42应用于发动机系统的物理模型以计算每个元件中的状态量。 状态量计算器60基于内燃机的循环现象将每个气缸中的吸入燃烧放电的一个循环分成离散时间,形成集成的离散时间段模型44,即, 离散时间关于整个发动机系统。 集成离散时间模型44包括作为其较低层物理模型的抽吸系统离散时间模型70,燃烧系统离散时间模型72,排放系统离散时间模型74,燃料系统离散时间模型76,平移 旋转系统离散时间模型78和发动机性能模型80.版权所有(C)2008年,JPO&INPIT