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公开(公告)号：JP2009047010A
公开(公告)日：2009-03-05
申请号：JP2007211344
申请日：2007-08-14
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： ISHIYAMA SHINOBU , TOMOTA AKITOSHI , FURUHASHI MICHIO , ONO TOMOYUKI , NAKATANI KOICHIRO , OGO TOMOYOSHI , HISATAKA YOSHIHIRO
IPC: F02D23/00 , F02B37/00 , F02B37/12 , F02B37/24 , F02D9/02 , F02D13/02 , F02D21/08 , F02D41/06 , F02D45/00 , F02M25/07
CPC classification number: Y02T10/144
Abstract: PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of reducing THC and NOx in a high rotation region of the medium-high load of an internal combustion engine in a control device for an internal combustion engine equipped with a supercharger. SOLUTION: This device is provided with a turbo supercharger 24 disposed in an intake passage 28 of the internal combustion engine, a first intake throttle valve 36 arranged in the upstream side of the turbo supercharger 24 in the intake passage 28, and a second intake throttle valve 38 arranged in the downstream side of the turbo supercharger 24 in the intake passage 28. In the medium-high load region of the internal combustion engine, when it is determined that engine speed is in the high rotation region equal to or higher than a prescribed value, an intake air amount is controlled mainly by using the first intake throttle valve 36. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 解决的问题：提供一种内燃机的控制装置，该内燃机能够在配备有内燃机的控制装置中在内燃机的中高负载的高旋转区域中减少THC和NOx 带增压器。 解决方案：该装置设置有设置在内燃机的进气通道28中的涡轮增压器24，布置在进气通道28中的涡轮增压器24的上游侧的第一进气节流阀36和 第二进气节气门38布置在进气通道28中的涡轮增压器24的下游侧。在内燃机的中高负载区域中，当确定发动机转速处于等于或高于 高于规定值时，主要通过使用第一进气节流阀36来控制进气量。（C）2009年，JPO＆INPIT
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公开(公告)号：JP2009041488A
公开(公告)日：2009-02-26
申请号：JP2007208487
申请日：2007-08-09
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： NAKATANI KOICHIRO , TOMOTA AKITOSHI , ISHIYAMA SHINOBU , ONO TOMOYUKI , OGO TOMOYOSHI , HISATAKA YOSHIHIRO
CPC classification number: F02D13/0203 , F02D13/0207 , F02D13/0265 , Y02T10/18
Abstract: PROBLEM TO BE SOLVED: To well improve the stability of combustion in a rich combustion for controlling an exhaust emission control catalyst by a control device of an internal combustion engine.
SOLUTION: The internal combustion engine comprises a variable intake valve operating mechanism 66 and a variable exhaust valve operating mechanism 70 that can change the valve opening characteristics of an intake valve 64 and an exhaust valve 68, respectively. Rich combustion is performed under predetermined operating conditions in the internal combustion engine to heat or reduce the exhaust emission control catalyst disposed in an exhaust passage 18. When the rich combustion is performed, the opening timing and the closing timing of the intake valve 64 and the opening timing and the closing timing of the exhaust valve 68 are advanced.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：为了在内燃机的控制装置中控制排气排放控制催化剂的丰富燃烧中充分提高燃烧的稳定性。 解决方案：内燃机包括可变进气门操作机构66和可变排气门操作机构70，其可以分别改变进气门64和排气门68的开阀特性。 在内燃机中的预定操作条件下进行丰富的燃烧以加热或减少设置在排气通道18中的废气排放控制催化剂。当进行浓燃烧时，进气门64的打开正时和关闭正时 排气门68的打开正时和关闭正时进行。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2009041485A
公开(公告)日：2009-02-26
申请号：JP2007208484
申请日：2007-08-09
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： NAKATANI KOICHIRO , TOMOTA AKITOSHI , ISHIYAMA SHINOBU , FURUHASHI MICHIO , ONO TOMOYUKI , OGO TOMOYOSHI , HISATAKA YOSHIHIRO
CPC classification number: F02D13/0261 , F02B29/0406 , F02D13/0234 , F02D13/0238 , F02D13/0265 , F02M26/01 , F02M26/05 , F02M26/23 , Y02T10/18
Abstract: PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine with a variable valve train and an EGR system capable of performing optimum valve timing control according to an EGR amount. SOLUTION: This exhaust emission control device comprises a phase variable means for retarding the phase of the opening/closing timing of an intake valve, an acting angle variable means for increasing or decreasing the acting angle of the intake valve, an EGR amount increasing means for increasing the EGR amount according to the operating state of the internal combustion engine, and an intake closing angle advancing means for advancing the closing timing of the intake valve when the EGR amount is increased. The intake closing advancing means comprises a first means for advancing the angle of the phase by the phase variable means and a second means for decreasing the acting angle by the acting angle variable means. The operation start timing by the second means is retarded more than the operation start timing by the first means. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供具有可变气门机构的内燃机的控制装置和能够根据EGR量执行最佳气门正时控制的EGR系统。 解决方案：该废气排放控制装置包括用于延迟进气门的打开/关闭正时相位的相位可变装置，用于增加或减少进气门的作用角的作用角可变装置，EGR量 用于根据内燃机的运行状态增加EGR量的增加装置，以及用于当EGR量增加时使进气门的关闭正时提前的进气闭合角度进给装置。 进气闭合提前装置包括用于通过相位可变装置推进相位角的第一装置和用于通过作用角度可变装置减小作用角度的第二装置。 通过第二装置的操作开始定时比第一装置的操作开始定时延迟。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2009030452A
公开(公告)日：2009-02-12
申请号：JP2007192462
申请日：2007-07-24
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： ONO TOMOYUKI , TOMOTA AKITOSHI , ISHIYAMA SHINOBU , NAKATANI KOICHIRO , OGO TOMOYOSHI , ITO KATSUHIRO , HISATAKA YOSHIHIRO
CPC classification number: F01L2001/0473
Abstract: PROBLEM TO BE SOLVED: To provide a technology for improving responsiveness in a variable valve train, in a variable valve gear of an internal combustion engine.
SOLUTION: This variable valve gear has a central shaft 4 rotating by being driven by an output shaft 8 of the internal combustion engine and driving a fuel pump 11 by the rotation, a camshaft 2 for inserting the central shaft 4 into a hollow inside part and making opening-closing motion by periodically pressing an intake valve 1 of the internal combustion engine by rotating a cam 2a installed on the outer periphery, a VVT mechanism 3 capable of changing a rotational phase of the output shaft 8 and the camshaft 2 by changing a relative angle of a case and a vane rotor, capable of changing the opening-closing timing of an intake valve 1 thereby and transmitting the rotation of the central shaft 4 to the camshaft 2 by co-rotating the vane rotor with the case, and a blade 12 formed between the central shaft 4 and the camshaft 2 and promoting a hydraulic change to the VVT mechanism 3 when a phase difference between the central shaft 4 and the camshaft 2 is generated by changing the relative angle of the case and the vane rotor.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种用于在内燃机的可变气门机构中提高可变气门机构的响应性的技术。 解决方案：该可变阀齿轮具有通过由内燃机的输出轴8驱动并通过旋转驱动燃料泵11而旋转的中心轴4，用于将中心轴4插入中空的凸轮轴2 通过旋转安装在外周上的凸轮2a周期性地按压内燃机的进气门1而进行开闭运动，能够改变输出轴8和凸轮轴2的旋转相位的VVT机构3 通过改变壳体和叶片转子的相对角度，能够改变进气门1的开闭正时，从而通过使叶片转子与壳体共同旋转将中心轴4的旋转传递到凸轮轴2 以及形成在中心轴4和凸轮轴2之间的叶片12，并且当通过改变相对位置产生中心轴4和凸轮轴2之间的相位差时促进对VVT机构3的液压变化 壳体和叶片转子的角度。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2009024506A
公开(公告)日：2009-02-05
申请号：JP2007185373
申请日：2007-07-17
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： ONO TOMOYUKI , TOMOTA AKITOSHI , ISHIYAMA SHINOBU , FURUHASHI MICHIO , NAKATANI KOICHIRO , OGO TOMOYOSHI , HISATAKA YOSHIHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a technology to correct fuel injection timing at more suitable timing in a control device of an internal combustion engine.
SOLUTION: A control device of an internal combustion engine includes a fuel injection valve, an intake temperature sensor for detecting the temperature of intake air that is circulated through an intake passage of the internal combustion engine; a control means for delaying fuel injection timing when injecting fuel from a fuel injection valve in the case that a detected temperature detected by the intake temperature sensor is higher than a target intake temperature, and advances fuel injection timing in the case that the detected temperature is lower than the target intake temperature; a correction means for correcting fuel injection timing changed by the control means to an advance angle side (S105) in the case that a temperature change of the detected temperature is a decreasing change, and for correcting fuel injection timing changed by the control means to a delay angle side (S106) in the case that the temperature change of the detected temperature is a rising change.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种在内燃机的控制装置中更合适的时刻校正燃料喷射正时的技术。 解决方案：内燃机的控制装置包括燃料喷射阀，用于检测通过内燃机的进气通道循环的进气温度的进气温度传感器; 在由所述进气温度传感器检测到的检测温度高于目标进气温度的情况下，延迟来自燃料喷射阀的燃料的燃料喷射正时的控制装置，并且在检测到的温度为 低于目标摄入温度; 在所述检测温度的温度变化为减小的变化的情况下，将由所述控制单元变更的燃料喷射正时校正为提前角侧的校正单元（S105），以及用于将由所述控制单元变更的燃料喷射正时校正为 在检测温度的温度变化为升高变化的情况下，延迟角侧（S106）。 版权所有（C）2009，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2008128040A
公开(公告)日：2008-06-05
申请号：JP2006311697
申请日：2006-11-17
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： NAKATANI KOICHIRO , TOMOTA AKITOSHI , ISHIYAMA SHINOBU , FURUHASHI MICHIO , ONO TOMOYUKI , OGO TOMOYOSHI
CPC classification number: Y02T10/121
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust system capable of inhibiting the deterioration of fuel economy by suppressing fuel consumption due to the implementation of a rich spike.
SOLUTION: The exhaust system has a filter 17 arranged in an exhaust passage 4 of an internal combustion engine 1 for reducing stored nitrogen oxide in the presence of fuel and a fuel addition valve 18 for supplying fuel to an upstream side of a position of exhaust gas extraction by an exhaust gas circulation device 9, and controls implementation timing of rich spike so that rich spike for temporarily setting the air-fuel ratio of exhaust gas to a rich side by supplying fuel from the fuel addition valve 18 is synchronized with return timing at which exhaust gas set to the rich side by the last rich spike returns to the exhaust passage 4 though the exhaust circulation device 9 and an intake passage 3.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 解决的问题：提供一种排气系统，其能够通过抑制由于实施丰富的穗轴而导致的燃料消耗而抑制燃料经济性的劣化。 解决方案：排气系统具有布置在内燃机1的排气通道4中的过滤器17，用于在存在燃料的情况下还原储存的氮氧化物和用于向位置的上游侧供应燃料的燃料添加阀18 通过废气循环装置9进行废气抽出，并且控制富峰的实施定时，从而通过从燃料添加阀18供给燃料来临时将废气的空燃比临时设定为富侧的丰富的峰值与 通过排气循环装置9和进气通道3，排气通过最后一个浓油尖端排出的废气返回到排气通道4的返回时刻。（C）2008，JPO＆INPIT
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公开(公告)号：JP2008121617A
公开(公告)日：2008-05-29
申请号：JP2006308617
申请日：2006-11-15
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： ONO TOMOYUKI , TOMOTA AKITOSHI , ISHIYAMA SHINOBU , FURUHASHI MICHIO , NAKATANI KOICHIRO , OGO TOMOYOSHI
CPC classification number: Y02T10/121 , Y02T10/16
Abstract: PROBLEM TO BE SOLVED: To provide a technique for promoting warming of an internal combustion engine by recovering waste heat from exhaust emission to engine cooling water by a low-pressure EGR cooler to thereby warm the engine cooling water in an exhaust recirculation device for internal combustion engine.
SOLUTION: When the temperature of the engine cooling water is a predetermined temperature T1 or lower, an exhaust throttle valve 11 is controlled to close side, and a low-pressure EGR valve 32 is controlled to close side. According to this, the exhaust emission flowing in an exhaust passage 4 flows into the upstream side of a low-pressure EGR passage 31 having the low-pressure EGR cooler 33 therein, and the exhaust emission passed through the low-pressure EGR cooler 3 is carried to an exhaust communication passage 50 from a middle part of the passage 31, and discharged again to the exhaust passage 4. Consequently, the waste heat from the exhaust emission can be recovered to the engine cooling water by the cooler 33 to warm the engine cooling water.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种通过将废气排放废气通过低压EGR冷却器回收到发动机冷却水中的废热来促进内燃机的升温的技术，从而使排气再循环装置中的发动机冷却水温暖 用于内燃机。 解决方案：当发动机冷却水的温度为预定温度T1或更低时，将排气节流阀11控制为靠近侧，并且将低压EGR阀32控制为靠近侧。 据此，在排气通路4内流动的废气排放流入低压EGR冷却器33的低压EGR通路31的上游侧，通过低压EGR冷却器3的废气排放为 从通道31的中间部分输送到排气连通通道50，并再次排出到排气通道4.因此，来自废气排放物的废热可以通过冷却器33回收到发动机冷却水中，以使发动机 冷却水。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2007321658A
公开(公告)日：2007-12-13
申请号：JP2006153131
申请日：2006-06-01
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： ONO TOMOYUKI
IPC: F02M25/07
CPC classification number: Y02T10/121
Abstract: PROBLEM TO BE SOLVED: To provide a technology capable of supplying EGR gas from a high pressure EGR passage and EGR gas from a low pressure EGR passage in the proper ratio, in an exhaust emission control device of an internal combustion engine.
SOLUTION: This exhaust gas recirculating device has the low pressure EGR passage for recirculating low pressure EGR gas to an intake passage on the upstream side of a compressor from an exhaust passage on the downstream side of a turbine of a turbocharger, a low pressure EGR valve for adjusting quantity of the low pressure EGR gas, the high pressure EGR passage for recirculating high pressure EGR gas to the intake passage on the downstream side of the compressor from the exhaust passage on the upstream side of the turbine, a high pressure EGR valve for adjusting quantity of the high pressure EGR gas, a target EGR ratio determining means (S101) determining a target value of the ratio of the EGR gas in a cylinder, and an actual EGR ratio estimating means (S104) estimating an actual value of the ratio of the EGR gas in the cylinder; and lengthens time required up to becoming target opening after the high pressure EGR valve starts to change, more than time of the low pressure EGR valve, when changing an EGR gas quantity on the basis of a difference in the EGR gas ratio between the target value and the actual value.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种能够在内燃机的废气排放控制装置中以适当比例从高压EGR通路供给EGR气体和来自低压EGR通路的EGR气体的技术。 解决方案：该排气再循环装置具有低压EGR通道，用于从涡轮增压器的涡轮的下游侧的排气通道将低压EGR气体再循环到压缩机上游侧的进气通道，低 用于调节低压EGR气体的高压EGR阀，用于将高压EGR气体从涡轮机上游侧的排气通道再循环到压缩机下游侧的进气通道的高压EGR通路，高压 用于调节高压EGR气体量的EGR阀，确定气缸中EGR气体的比例的目标值的目标EGR率确定装置（S101）和实际EGR率估计装置（S104），估计实际值 的气缸中的EGR气体的比率; 并且在基于目标值之间的EGR气体比的差异来改变EGR气体量时，在高压EGR阀开始变化之后，超过低压EGR阀的时间，变长目标开度所需的时间延长 和实际价值。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2007247596A
公开(公告)日：2007-09-27
申请号：JP2006074400
申请日：2006-03-17
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： ONO TOMOYUKI
CPC classification number: F01N9/002 , F02D41/0052 , F02D41/0055 , F02D2200/0812 , F02M26/05 , F02M26/06 , F02M26/15 , Y02T10/47
Abstract: PROBLEM TO BE SOLVED: To provide technology capable of accurately determining clogging of a particulate filter in an exhaust emission control device for an internal combustion engine. SOLUTION: This device is provided with a particulate filter, a suction air quantity detection means detecting quantity of fresh air flowing in a suction air passage, a gas supply means supplying gas to a part to the particulate filter from the suction air quantity detection means, an exhaust gas flow rate detection means S108 detecting flow rate of exhaust gas passing the particulate filter based on quantity of gas supplied by the gas supply means and suction air quantity detected by the suction air quantity detection means, a pressure difference detection means detecting pressure difference between pressure in an upstream and pressure in a downstream of the particulate filter, and a clogging determination means S110 determining clogging of the particulate filter based on flow rate of exhaust gas and pressure difference. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：提供能够精确地确定用于内燃机的废气排放控制装置中的微粒过滤器的堵塞的技术。 解决方案：该装置设置有微粒过滤器，吸入空气量检测装置，其检测在吸入空气通道中流动的新鲜空气量;气体供应装置，其从吸入空气量向微粒过滤器供应气体 检测装置，废气流量检测装置S108，其基于由气体供给装置供给的气体量和通过吸入空气量检测装置检测的吸入空气量检测通过微粒过滤器的废气的流量;压力差检测装置 检测上游的压力和微粒过滤器的下游的压力之间的压力差，以及堵塞判定单元S110，其根据废气的流量和压力差来判断微粒过滤器的堵塞。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2007198277A
公开(公告)日：2007-08-09
申请号：JP2006018554
申请日：2006-01-27
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： ONO TOMOYUKI
CPC classification number: F02D41/0055 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N9/002 , F01N11/002 , F02B29/0406 , F02B37/00 , F02D41/0007 , F02D41/0235 , F02D41/029 , F02D41/123 , F02D41/18 , F02D41/2441 , F02D41/2448 , F02D41/2464 , F02D2009/0272 , F02D2200/0802 , F02D2200/0812 , F02M26/05 , F02M26/06 , F02M26/15 , F02M26/23 , F02M26/38 , Y02T10/47
Abstract: PROBLEM TO BE SOLVED: To provide a technique capable of retaining the temperature of an exhaust gas purifying catalyst within a predetermined range, in an exhaust gas recirculation device for an internal combustion engine. SOLUTION: This device is provided with a turbocharger provided with a turbine in an exhaust passage and a compressor in an intake passage, a low pressure EGR passage to connect the exhaust passage downstream of the turbine with the intake passage upstream of the compressor, a high pressure EGR passage to connect the exhaust passage upstream of the turbine with the intake passage downstream of the compressor, the exhaust gas purifying catalyst arranged in the exhaust passage downstream of the turbine and upstream of the low pressure EGR passage, and an EGR gas amount changing means to simultaneously change the amounts of EGR gas flowing in the low pressure EGR passage and high pressure EGR passage so that the temperature of the exhaust gas purifying catalyst is set within a target range. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：提供一种能够将排气净化催化剂的温度保持在预定范围内的技术，用于内燃机的排气再循环装置。 解决方案：该装置设置有在排气通道中设置有涡轮的涡轮增压器和进气通道中的压缩机，将涡轮下游的排气通道与压缩机上游的进气通道连接的低压EGR通路 ，用于将涡轮机上游的排气通道与压缩机下游的进气通道连接的高压EGR通路，排气通道设置在涡轮下游和低压EGR通道的上游，排气净化催化剂 气体量改变装置，用于同时改变在低压EGR通路和高压EGR通路中流动的EGR气体的量，使排气净化催化剂的温度设定在目标范围内。 版权所有（C）2007，JPO＆INPIT
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