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公开(公告)号：JP2014088823A
公开(公告)日：2014-05-15
申请号：JP2012239264
申请日：2012-10-30
Applicant: Nippon Soken Inc , 株式会社日本自動車部品総合研究所 , Toyota Motor Corp , トヨタ自動車株式会社
Inventor： AOKI FUMIAKI , OKABE SHINICHI , TANAKA TAKAYOSHI , MIYASHITA SHIGEKI , HOKUTO HIROYUKI
IPC: F02D41/22
Abstract: PROBLEM TO BE SOLVED: To suppress smoldering of an ignition plug by suppressing degradation in combustion due to fuel colliding with an electrode of the ignition plug and an insulator leg portion, and carbonization of attached fuel, in spark ignition-type internal combustion engine injecting the fuel into an intake passage connected to a combustion chamber.SOLUTION: There is provided a fuel injection control device of an internal combustion engine having an ignition plug, an intake valve for opening and closing an opening of an intake passage, and an injection valve for injecting a fuel into the intake passage. A lifting amount of the intake valve is determined on the basis of the shape of a valve head of the intake valve and a position of a center electrode of the ignition plug, and the fuel of a part or all of the determined injection mount is injected within a period when the fuel flowing into the combustion chamber through the opening becomes the prescribed lifting amount or more directing to a collision preventing direction deviated from the center electrode.
Abstract translation: 要解决的问题：为了通过抑制由于与火花塞和绝缘子腿部的电极碰撞的燃料引起的燃烧劣化以及附着燃料的碳化来抑制火花塞的闷燃，在火花点火式内燃机中， 燃料进入连接到燃烧室的进气通道。解决方案：提供一种内燃机的燃料喷射控制装置，其具有火花塞，用于打开和关闭进气通道的开口的进气阀和用于 将燃料喷射到进气通道中。 基于进气门的阀头的形状和火花塞的中心电极的位置来确定进气门的提升量，并且注入所确定的喷射座的一部分或全部的燃料 在通过开口流入燃烧室的燃料变成规定的提升量以上的时间内，指向偏离中心电极的防撞方向。
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公开(公告)号：JP2013160195A
公开(公告)日：2013-08-19
申请号：JP2012024832
申请日：2012-02-08
Applicant: Toyota Motor Corp , トヨタ自動車株式会社 , Denso Corp , 株式会社デンソー
Inventor： MIYASHITA SHIGEKI , NAKANISHI DAISUKE
CPC classification number: F01P7/165 , F01P3/20 , F01P2003/027 , F01P2003/028 , F01P2060/02 , F01P2060/12
Abstract: PROBLEM TO BE SOLVED: To provide a cooling device of an internal combustion engine capable of making compatible both cooling performance and a warm-up property.SOLUTION: A cooling device 20 is adapted to an internal combustion engine 1 with a turbocharger in which the turbocharger 15 is installed. The cooling device 20 cools the internal combustion engine 1 and includes two independent cooling systems 21, 22 having mutually-different preset temperatures. The low-temperature cooling system 22 includes a cooling circuit 30 for cooling an intake port of a cylinder head 7, the turbocharger 15, and a cylinder block 6 in this order.
Abstract translation: 要解决的问题：提供能够兼容冷却性能和预热性能的内燃机的冷却装置。解决方案：冷却装置20适用于具有涡轮增压器的内燃机1，其中涡轮增压器 15安装。 冷却装置20冷却内燃机1，并且包括具有相互不同的预设温度的两个独立的冷却系统21,22。 低温冷却系统22包括用于冷却气缸盖7的进气口，涡轮增压器15和气缸体6的冷却回路30。
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公开(公告)号：JP2011231681A
公开(公告)日：2011-11-17
申请号：JP2010102379
申请日：2010-04-27
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： KOBUCHI GO , SAKURAI KENJI , NAKADA ISAMU , MIYASHITA SHIGEKI
CPC classification number: Y02T10/121 , Y02T10/16
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust system for an internal combustion engine, in which thermoacoustic effect by a thermoacoustic stock that is disposed in an exhaust branch pipe is sufficiently exerted in a wide range of engine speed.SOLUTION: The exhaust system for the internal combustion engine includes: the exhaust branch pipe having one end thereof communicating to an exhaust passage of the internal combustion engine and the other end being closed; a pipe length changer for varying the length of the exhaust branch pipe; a thermoacoustics stack disposed in the exhaust branch pipe, for converting the energy of air column vibration in the exhaust branch pipe into heat energy; and a controller for resonance control to vary the pipe length by the pipe length changer based on the engine speed of the internal combustion engine, so that the pipe length has a length that allows the air column in the exhaust branch pipe to resonate.
Abstract translation: 要解决的问题：提供一种用于内燃机的排气系统，其中布置在排气支管中的热声原料的热声效应在宽的发动机速度范围内被充分地发挥。 解决方案：用于内燃机的排气系统包括：排气支管，其一端与内燃机的排气通道连通，另一端关闭; 用于改变排气支管的长度的管长度变换器; 设置在所述排气支管中的热声堆叠，用于将所述排气支管中的气柱振动的能量转换为热能; 以及用于谐振控制的控制器，其基于内燃机的发动机转速，通过管长度变化器改变管道长度，使得管道长度具有允许排气支管中的空气塔共振的长度。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2010223189A
公开(公告)日：2010-10-07
申请号：JP2009074407
申请日：2009-03-25
Applicant: TOYOTA MOTOR CORP
Inventor： FUKUDA ATSUSHI , MIYASHITA SHIGEKI
Abstract: PROBLEM TO BE SOLVED: To provide an ignition device for an internal combustion engine in which the smoldering combustion of its ignition plug is reduced with regard to the ignition device of an internal combustion engine, mounted on a vehicle. SOLUTION: The ignition device includes an injector 22 for ejecting fuel directly into a cylinder to generate fuel spray, and a plasma ignition plug 24 capable of ejecting plasma to a fuel spray A provided in the vicinity of the injector 22. Before the fuel spray A comes into collision with the inner wall of a combustion chamber 20, the ignition device ejects the plasma to a plasma ignition plug 24. Also, the ignition device includes a spark ignition plug 26 provided at a position distant from the injector 22 further than is the plasma ignition plug 24. Then, the ignition device allows the spark ignition plug 26 to ignite the fuel spray A. COPYRIGHT: (C)2011,JPO&INPIT
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公开(公告)号：JP2010106787A
公开(公告)日：2010-05-13
申请号：JP2008280911
申请日：2008-10-31
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： MIYASHITA SHIGEKI
CPC classification number: Y02T10/144
Abstract: PROBLEM TO BE SOLVED: To provide a controller for an internal combustion engine capable of determining an operating state of a waste gate valve irrespective of an operating condition of a turbocharger. SOLUTION: In one cycle of the internal combustion engine 10, exhaust pulsation having a cycle every 360°CA is generated by explosion strokes of #2 and #3 cylinders in one exhaust passage 18 connected to a twin entry type turbocharger (Fig.2(a), thin line). Sine an internal pressure of the exhaust passage 18 is influenced by the explosion strokes of the #2 and #3 cylinders at valve closing with respect to indicating peak characteristics every 360°CA at valve opening of the waste gate valve 30, the peak characteristics are indicated every 180°CA (Fig.2(a), wide line). Determination of the operating state of the waste gate valve 30 is carried out by acquiring the peak characteristics by a pressure sensor 32 disposed in an exhaust passage 16. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：提供一种能够确定废气门阀的操作状态的内燃机的控制器，而与涡轮增压器的操作条件无关。 解决方案：在内燃机10的一个循环中，具有每360°CA循环的排气脉动是通过连接到双入口式涡轮增压器的一个排气通道18中的＃2和＃3气缸的爆炸冲程产生的（图 .2（a），细线）。 正确的排气通道18的内部压力受到阀门关闭时＃2和＃3气缸的爆炸冲击的影响，相对于在废气闸阀30的阀门开启时每360°CA指示峰值特性，峰值特性是 指示每180°CA（图2（a），宽线）。 通过由布置在排气通道16中的压力传感器32获取峰值特性来进行废气门阀30的运行状态的确定。（C）2010，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2009257123A
公开(公告)日：2009-11-05
申请号：JP2008104786
申请日：2008-04-14
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： MIYASHITA SHIGEKI
CPC classification number: F02D41/0087 , F01N13/009 , F01N13/011 , F02D35/027 , F02D37/02 , F02D41/0065 , F02D41/0082 , F02D41/401 , F02D2041/001 , F02D2041/227 , F02M26/15 , F02M26/23 , F02M26/43 , F02M26/49
Abstract: PROBLEM TO BE SOLVED: To prevent an internal combustion engine from operating in an unstable state, when an EGR valve is stuck in an open state. SOLUTION: This internal combustion engine 1 is connected with separate exhaust passages 10a and 10b separately connected to respective cylinder banks 2a and 2b, and a shared intake passage 8 shared by the whole cylinder banks 2a and 2b. One end of an EGR passage 21 is connected to the separate exhaust passage 10b connected to any of a plurality of cylinder banks 2a and 2b, and its other end is connected to the shared intake passage 8. When detecting that the EGR valve 22 arranged in the EGR passage 21 is fixed in an open state, fuel-cut control is executed in the cylinder bank 2b connected with the separate exhaust passage 10b connected with the EGR passage 21. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：为了防止内燃机在不稳定状态下工作，当EGR阀处于打开状态时。 解决方案：该内燃机1与分别连接到相应气缸组2a和2b的分离的排气通道10a和10b以及由整个气缸组2a和2b共享的共用进气通道8连接。 EGR通道21的一端连接到与多个气缸组2a和2b中的任何一个连接的单独的排气通道10b，并且其另一端连接到共享进气通道8.当检测到EGR阀22布置在 EGR通道21被固定在打开状态，在与与EGR通道21连接的分离的排气通道10b连接的气缸组2b中执行燃料切断控制。（C）2010，JPO＆INPIT
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公开(公告)号：JP2009191678A
公开(公告)日：2009-08-27
申请号：JP2008031629
申请日：2008-02-13
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： MIYASHITA SHIGEKI
IPC: F02M25/07
CPC classification number: Y02T10/121
Abstract: PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine capable of effectively utilizing exhaust heat for warming up an engine.
SOLUTION: Respective cylinders 2 have a first exhaust valve 30A for opening and closing a first exhaust passage 32 communicating with a turbine 24b, and a second exhaust valve 30B for opening and closing a second exhaust passage 34 communicating with the downstream side of the turbine 24b. The upstream side of the turbine 24b of the first exhaust passage 32 and an intake passage 18 are connected by an EGR passage 42. The midway of the EGR passage 42 and the second exhaust passage 34 are connected by a connecting passage 50. An EGR cooler 46 for exchanging heat between engine cooling water and exhaust gas is arranged in the EGR passage 42 upstream of a connecting position of the connecting passage 50. When the engine is cold, a part of the exhaust gas flowing in the first exhaust passage 32 is introduced to the second exhaust passage 34 by passing through the EGR passage 42 and the connecting passage 50.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供能够有效地利用废热来加热发动机的内燃机的控制装置。 解决方案：气缸2具有用于打开和关闭与涡轮24b连通的第一排气通道32的第一排气门30A和用于打开和关闭与下游侧连通的第二排气通道34的第二排气阀30B 涡轮机24b。 第一排气通道32的涡轮机24b的上游侧和进气通道18通过EGR通道42连接。EGR通道42和第二排气通道34的中间通过连接通道50连接。EGR冷却器 在EGR通路42中，在连接通路50的连接位置上游设置有用于在发动机冷却水和废气之间进行热交换的热交换器46。当发动机冷时，引入在第一排气通路32中流动的排气的一部分 通过EGR通道42和连接通道50到达第二排气通道34。版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2009103061A
公开(公告)日：2009-05-14
申请号：JP2007275974
申请日：2007-10-24
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： MIYASHITA SHIGEKI , MASUDA KATSURA
CPC classification number: F02D41/1454 , F02D41/1441 , F02D41/146 , F02D2041/1419 , F02D2041/1468
Abstract: PROBLEM TO BE SOLVED: To sufficiently suppress the amount of NOx discharged downstream of a catalyst in an air-fuel ratio control device for an internal combustion engine. SOLUTION: An air-fuel ratio is adjusted by controlling the amount of fuel injected to the internal combustion engine 10. An air-fuel ratio sensor 16 is disposed upstream of a three-way catalyst 14. An ammonia sensor 18 is disposed downstream of the three-way catalyst 14. Main feedback control based on the air-fuel ratio sensor 14 is performed so that the air-fuel ratio of exhaust gas approaches a target air-fuel ratio near a stoichiometric air-fuel ratio. Sub-feedback control is performed based on an output value from the ammonia sensor 18. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：为了充分抑制内燃机的空燃比控制装置中的催化剂下游排出的NOx量。 解决方案：通过控制喷射到内燃机10的燃料量来调节空燃比。空燃比传感器16设置在三元催化剂14的上游。设置氨传感器18 执行三路催化器14的下游。基于空燃比传感器14进行主反馈控制，使得排气的空燃比接近理论空燃比附近的目标空燃比。 基于来自氨传感器18的输出值执行子反馈控制。版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2008303796A
公开(公告)日：2008-12-18
申请号：JP2007152162
申请日：2007-06-07
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： SAKURAI KENJI , MIYASHITA SHIGEKI
IPC: F01N3/28
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of restraining the deviation of a bypass quantity.
SOLUTION: This exhaust emission control device 100 has a first exhaust emission control catalyst 10 arranged in an exhaust passage of an internal combustion engine, and a second exhaust emission control catalyst 20 arranged on the downstream side of the first exhaust emission control catalyst 10 in the exhaust passage. A catalyst carrier 12 of the first exhaust emission control catalyst 10 is formed with a bypass passage 13 for directly making exhaust gas reach the second exhaust emission control catalyst 20 by bypassing the first exhaust emission control catalyst 10. The bypass passage 13 has flow rate resistance of becoming small toward an outer peripheral part of the catalyst carrier 12.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 解决的问题：提供能够抑制旁路量的偏差的废气排放控制装置。 解决方案：该废气排放控制装置100具有布置在内燃机的排气通道中的第一废气排放控制催化剂10和布置在第一废气排放控制催化剂的下游侧的第二废气排放控制催化剂20 10在排气通道中。 第一废气排放控制催化剂10的催化剂载体12形成有旁通通道13，用于通过绕过第一废气排放控制催化剂10直接使排气到达第二废气排放控制催化剂20.旁路通道13具有流量阻力 对催化剂载体12的外周部分变小。版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2008157103A
公开(公告)日：2008-07-10
申请号：JP2006346508
申请日：2006-12-22
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： MIYASHITA SHIGEKI
IPC: F01N3/20 , F01N3/24 , F01N3/28 , F02B37/02 , F02B37/12 , F02B37/18 , F02D23/00 , F02D41/02 , F02D43/00 , F02D45/00
CPC classification number: Y02T10/144
Abstract: PROBLEM TO BE SOLVED: To suppress deterioration of purification catalyst to secure stable exhaust purification performance, and to improve output performance and fuel economy, in an internal combustion engine. SOLUTION: Cylinder groups are arranged to the right and left as first and second banks 12 and 13. Exhaust pipes 57, 58 are connected to each cylinder group of the banks 12 and 13. Front stage three-way catalysts 59, 60 and control valves 64, 65 are respectively provided in the exhaust pipes 57, 58, their upstream portions are connected by a communicating pipe 63, and a turbocharger 67 is installed at a first bank 12 side. A bypass pipe 72 bypassing a second front stage three-way catalyst 60 is provided in a second exhaust pipe 58 with no turbocharger 67, the bypass pipe 72 is provided with a third control valve 73, and each of the control valves 64, 65, 73 are controlled to be opened or closed depending on engine operational status by an ECU 81. COPYRIGHT: (C)2008,JPO&INPIT
Abstract translation: 解决方案：在内燃机中抑制净化催化剂的劣化以确保稳定的排气净化性能，并提高输出性能和燃料经济性。
解决方案：气缸组以第一和第二组12和13的左右布置。排气管57,58连接到组12和13的每个气缸组。前级三通催化剂59,60 并且控制阀64,65分别设置在排气管57,58中，其上游部分通过连通管63连接，涡轮增压器67安装在第一组12侧。 在没有涡轮增压器67的第二排气管58中设置有绕过第二前级三通催化剂60的旁通管72，旁通管72设置有第三控制阀73，并且每个控制阀64,65， 73根据ECU 81的发动机工作状态被控制为打开或关闭。版权所有：（C）2008，JPO＆INPIT
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