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    • 31. 发明专利
    • Fuel injection control method for internal combustion engine
    • 内燃机燃油喷射控制方法
    • JP2006138310A
    • 2006-06-01
    • JP2005129347
    • 2005-04-27
    • Crf Scpaチエルレエフェ ソチエタ コンソルティレ ペル アチオニ
    • RICCO MARIODE MATTHAEIS SISTO LUIGIGRAVINA ANTONIOSTUCCHI SERGIO
    • F02M45/00F02D41/20F02D41/34F02D41/38F02M45/02F02M51/00
    • F02D41/20F02D41/403F02D2041/2027
    • PROBLEM TO BE SOLVED: To change the flow rate profile of injected fuel even when fuel supply pressure remains unchanged, without the need for adjusting a spring during stepwise controlling the instantaneous flow rate of the injected fuel.
      SOLUTION: This fuel injection control method is provided for an internal combustion engine which has an electric injector consisting of an electric actuator, an injection nozzle, and an opening/closing pin movable along an opening/closing stroke for opening/closing the injection nozzle in accordance with fuel supply pressure on the electric injector under the control of the electric actuator. Herein, a first electric command C
      1 and at least one second electric command C
      2 sufficiently approximated each other are supplied to the electric actuator for moving the opening/closing pin in an operation profile P with no time interruption to give first opening movement A
      1 and second opening movement A
      2 to the opening/closing pin.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:即使在燃料供应压力保持不变时也改变喷射燃料的流量分布,而不需要在逐步控制喷射燃料的瞬时流量的同时调节弹簧。 解决方案:该燃料喷射控制方法被设置用于具有电动喷射器的内燃机,该电动喷射器由电动致动器,喷射喷嘴和可沿着打开/关闭行程的打开/关闭行程运动的打开/关闭销组成 注射喷嘴根据电动执行器控制下的电喷射器上的燃料供应压力。 这里,充分地彼此近似的第一电气指令C 1 和至少一个第二电气指令C 2 被提供给用于将打开/关闭销移动的电动致动器 操作简档P没有时间中断,以向打开/关闭销给出第一打开移动A 1 和第二打开移动A 2 。 版权所有(C)2006,JPO&NCIPI
    • 33. 发明专利
    • Controlling device for internal combustion engine
    • 内燃机控制装置
    • JP2006057626A
    • 2006-03-02
    • JP2005054103
    • 2005-02-28
    • Toyota Motor Corpトヨタ自動車株式会社
    • MASHIKI ZENICHIRONAKAMURA NAOTO
    • F02D41/34F02D35/02F02D45/00F02M45/00F02M45/02F02M63/00
    • F02D41/3094F02D35/027F02D41/401F02D2041/281F02D2250/14F02P5/152Y02T10/44Y02T10/46
    • PROBLEM TO BE SOLVED: To prevent wrong operation of a knock sensor without deteriorating engine performance, in an engine in which fuel injection is shared by an injector for cylinder injection and an injector for intake passage injection.
      SOLUTION: An engine ECU executes a program including a step (S200) to calculate injection time Astart from engine speed and a load factor when injection calculating timing of a cylinder located in the vicinity of the knock sensor is reached (YES in S100): a step (S300) to calculate an injection period TAU; a step (S400) to calculate injection end time Aend; a step (S1000) to shorten injection time of the injector for cylinder injection when the injection time Astart or the injection end time Aend is within a KCS gate (YES in S500); and a step to calculate a port injection period so as to inject insufficient injection amount from the injector for intake passage injection when required injection amount is not satisfied as a result of shortening the injection period of the injector for cylinder injection.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了防止爆震传感器的错误操作,而不会降低发动机性能,在用于气缸喷射的喷射器和用于进气通道喷射的喷射器共享燃料喷射的发动机中。 解决方案:发动机ECU执行包括步骤(S200)的程序,以在达到爆震传感器附近的气缸的喷射计算定时时从发动机转速和负载系数计算喷射时间Astart(S100为“是”) ):计算喷射周期TAU的步骤(S300) 计算注射终止时间的步骤(S400); 当喷射时间Astart或喷射结束时间Aend在KCS门内时(S500为“是”),缩短喷射器的喷射器的喷射时间的步骤(S1000)。 以及作为气缸喷射的喷射器的喷射周期缩短的结果,当不需要喷射量时,计算出喷射周期以从注射器喷射不足的喷射量的步骤。 版权所有(C)2006,JPO&NCIPI
    • 34. 发明专利
    • Exhaust emission control device for diesel engine
    • 柴油发动机排气排放控制装置
    • JP2006022711A
    • 2006-01-26
    • JP2004201367
    • 2004-07-08
    • Mitsubishi Motors Corp三菱自動車工業株式会社
    • HATAKE MICHIHIROTAKEMURA JUNSHIGAHARA MEGUMIKOGA TOKUYUKITANIGUCHI MASATOSHI
    • F02D41/04B01D53/94F01N3/08F01N3/24F01N3/28F02B23/06F02D41/38F02D43/00F02M45/02
    • Y02T10/125Y02T10/47
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control device for a diesel engine, capable of supplying HC necessary amount for a selective reducing type NOx catalyst while suppressing oil dilution. SOLUTION: In this exhaust emission control device for the diesel engine equipped with a fuel injection valve 17 for directly injecting fuel to the inside of a combustion chamber 5 and the selective reducing type NOx catalyst 16 provided on an exhaust passage 11 for reducing and purifying NOx in exhaust gas in the presence of HC, the fuel injection valve 17 performs secondary injection for supplying HC to the NOx catalyst 16 in addition to main injection, and injection timing of the secondary injection is set in the vicinity of an intake air top dead center such that injected fuel by the secondary injection directly collides against a piston cavity 4a wall face forming the combustion chamber 5. COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种柴油发动机的废气排放控制装置,其能够在抑制油稀释的同时为选择还原型NOx催化剂提供必要量的HC。 解决方案:在具有用于将燃料直接喷射到燃烧室5的内部的燃料喷射阀17的柴油机的排气排放控制装置和设置在排气通路11上的选择还原型NOx催化剂16中, 并且在HC的存在下净化废气中的NOx时,除了主喷射之外,燃料喷射阀17还进行向NOx催化剂16供给HC的二次喷射,二次喷射的喷射正时设定在吸入空气附近 上止点,使得通过二次注射的喷射燃料直接与形成燃烧室5的活塞腔4a壁面碰撞。(C)2006年,JPO&NCIPI
    • 36. 发明专利
    • Internal combustion engine
    • 内燃机
    • JP2005307776A
    • 2005-11-04
    • JP2004122903
    • 2004-04-19
    • Toyota Motor Corpトヨタ自動車株式会社
    • KATO YOSHIRO
    • F02B23/10F02D41/02F02D41/34F02F1/42F02M45/02F02M61/14F02M61/18
    • Y02T10/125Y02T10/146
    • PROBLEM TO BE SOLVED: To achieve excellent combustion in an internal combustion engine by promoting the mixture of fuel and air by a simple constitution.
      SOLUTION: An intake port 16 and an exhaust port 17 both communicated with a combustion chamber 15 are freely opened and closed by an intake valve 18 and an exhaust valve 19. By inclining the intake port 16 in a horizontal direction, air is made to flow swirlingly and can be introduced in the combustion chamber 15 and fuel can be injected toward a position below the intake valve 18 in the combustion chamber 15 from a fuel injection valve 20. An ignition plug is situated in the given position of the combustion chamber 15.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过简单的结构促进燃料和空气的混合来实现内燃机的优良燃烧。 解决方案:与燃烧室15连通的进气口16和排气口17由进气门18和排气门19自由地打开和关闭。通过使进气口16沿水平方向倾斜,空气为 使其能够旋转地流动并且可以被引入到燃烧室15中,并且燃料可以从燃料喷射阀20朝向燃烧室15中的进气门18下方的位置喷射。火花塞位于燃烧的给定位置 版权所有(C)2006年,JPO&NCIPI
    • 37. 发明专利
    • Compression ignition type internal combustion engine and its fuel injection control device
    • 压缩点火式内燃机及其燃油喷射控制装置
    • JP2005291161A
    • 2005-10-20
    • JP2004110215
    • 2004-04-02
    • Toyota Central Res & Dev Lab Inc株式会社豊田中央研究所
    • HOTTA YOSHIHIROINAYOSHI MINAJI
    • F02M45/02F02D41/38F02D41/40
    • Y02T10/44
    • PROBLEM TO BE SOLVED: To provide a compression ignition type internal combustion engine and its fuel injection control device which efficiently increase the temperature of an exhaust emission without causing an increase in smoke generated during burning.
      SOLUTION: A control is carried out wherein compressed fuel is injected in multiple batches from the time when a piston is located near the compression upper dead center, so that variations in temperature in a cylinder due to fuel injection is curbed to increase the temperature of the exhaust emission during operation with a low load. At this time, the injection pressure of fuel and the quantity of injected fuel are controlled each time when an injection is carried out multiple times, so that each burning is intermittently carried out corresponding to injections carried out multiple times.This control allows each fuel spray injected multiple times to burn with sufficient fresh air introduced.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种压缩点火式内燃机及其燃料喷射控制装置,其有效地增加废气排放的温度,而不会引起燃烧期间产生的烟雾的增加。 解决方案:执行控制,其中从活塞位于压缩上止点附近时多次注入压缩燃料,从而抑制燃料喷射引起的气缸温度变化,从而增加 低负载运行时废气排放温度。 此时,每次进行多次喷射时,控制燃料的喷射压力和喷射量,从而每次燃烧间歇地进行多次进行喷射。该控制允许每个燃料喷雾 注入多次以充足的新鲜空气进行燃烧。 版权所有(C)2006,JPO&NCIPI
    • 40. 发明专利
    • Start control device for compression ignition internal combustion engine
    • 用于压缩点火内燃机的起动控制装置
    • JP2005201208A
    • 2005-07-28
    • JP2004010714
    • 2004-01-19
    • Toyota Motor Corpトヨタ自動車株式会社
    • KITANO YASUSHI
    • F02B1/12F02B7/02F02B23/02F02D41/06F02D41/40F02D45/00F02M37/00F02M45/02F02M61/14F02M63/00F02N19/00F02N17/08
    • Y02T10/123Y02T10/125
    • PROBLEM TO BE SOLVED: To inhibit increase of fuel injection quantity required at starting time of a compression ignition internal combustion engine and inhibit aggravation of emission and dilution of oil.
      SOLUTION: In the compression ignition internal combustion engine 1 equipped with normal fuel injection valve 3 for injecting fuel into a gas column of the internal combustion engine at a period of vicinity of top dead center of a compression stroke and a premixed combustion fuel injection valve 9a for injecting atomized fuel finer than fuel injected from the normal fuel injection valve to a center part of the gas column, premixed gas is formed by fuel injection from the premixed fuel injection valve 9a when starting the compression ignition internal combustion engine 1 and engine rotation speed of the compression ignition internal combustion engine 1 is increased by burning the premixed gas.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:抑制压缩点火内燃机起动时所需的燃料喷射量的增加,并抑制油的排放和稀释的加剧。 解决方案:在压缩点火式内燃机1中,该压缩点火式内燃机配备有用于将燃料喷射到内燃机的气柱中的普通燃料喷射阀3,该燃料喷射阀3在压缩行程的上止点附近和预混燃烧燃料 喷射阀9a,用于将比从正常燃料喷射阀喷射的燃料精细的雾化燃料喷射到气柱的中心部分,在启动压燃点火式内燃机1时,从预混合燃料喷射阀9a喷射燃料,形成预混合气体; 通过燃烧预混气体来增加压燃式内燃机1的发动机转速。 版权所有(C)2005,JPO&NCIPI