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    • 71. 发明专利
    • Exhaust recirculation device for internal combustion engine
    • 用于内燃机的排气再循环装置
    • JP2008121616A
    • 2008-05-29
    • JP2006308616
    • 2006-11-15
    • Toyota Motor Corpトヨタ自動車株式会社
    • ONO TOMOYUKITOMOTA AKITOSHIISHIYAMA SHINOBUFURUHASHI MICHIONAKATANI KOICHIROOGO TOMOYOSHI
    • F02M25/07F02D9/04F02D43/00
    • Y02T10/121Y02T10/16
    • 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, as shown by the arrow in the drawing, to pass through the low-pressure EGR cooler 33, and is carried from the cooler 33 to an exhaust communication passage 50, 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&INPIT
    • 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。 因此,如图中箭头所示,在排气通路4内流动的废气排放流入低压EGR通路31的上游侧,通过低压EGR冷却器33, 从冷却器33到排气连通路50,再次排出到排气通路4.因此,能够通过冷却器33将来自废气排放物的废热回收到发动机冷却水中,以使发动机冷却水温暖。 版权所有(C)2008,JPO&INPIT
    • 72. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2008101485A
    • 2008-05-01
    • JP2006282907
    • 2006-10-17
    • Toyota Motor Corpトヨタ自動車株式会社
    • NAKATANI KOICHIROTOMOTA AKITOSHIISHIYAMA SHINOBUFURUHASHI MICHIOMAGATA HISAFUMIOGO TOMOYOSHIKARITA KOJIHASHIMOTO EIJI
    • F02D13/02F02B31/02F02D41/14F02D43/00
    • Y02T10/146
    • PROBLEM TO BE SOLVED: To well eliminate the delay of supercharging while suppressing the increase of the exhausted amount of smoke during the acceleration in a control device of an internal combustion engine.
      SOLUTION: A control device of an internal combustion engine comprises variable valve mechanisms 40, 42 as a means for controlling an intake air amount. The control device also comprises the intake variable valve mechanism 40 as a means for controlling a swirl ratio. Until the ratio gn/gntrg of an actual intake air amount gn to a target intake air amount value gntrg reaches a predetermined value C1, the restriction of the swirl ratio is prohibited and the intake air amount gn is increased. After the intake air amount ratio gn/gntrg reaches the predetermined value C1, the intake variable valve mechanism 40 is so controlled as to increase the swirl ratio while maintaining the ratio. After the swirl ratio reaches a predetermined value C2, the swirl ratio is lowered while maintaining a fuel injection amount at a specified value until the intake air amount gn reaches the target value gntrg.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了在抑制内燃机的控制装置的加速期间的排烟量的增加的同时,充分消除增压的延迟。 解决方案:内燃机的控制装置包括作为控制进气量的装置的可变气门机构40,42。 控制装置还包括作为控制涡流比的装置的进气可变气门机构40。 直到实际进气量gn与目标进气量值gntrg的比率gn / gntrg达到规定值C1为止,则限制涡流比被禁止,进气量gn增大。 在进气量比gn / gntrg达到预定值C1之后,进气可变气门机构40被控制成在保持该比率的同时增加涡流比。 在涡流比达到预定值C2之后,涡流比降低,同时将燃料喷射量保持在指定值,直到进气量gn达到目标值gntrg为止。 版权所有(C)2008,JPO&INPIT
    • 73. 发明专利
    • Internal combustion engine control device
    • 内燃机控制装置
    • JP2008038825A
    • 2008-02-21
    • JP2006216548
    • 2006-08-09
    • Toyota Motor Corpトヨタ自動車株式会社
    • FURUHASHI MICHIOTOMOTA AKITOSHIISHIYAMA SHINOBUMAGATA HISAFUMINAKATANI KOICHIROOGO TOMOYOSHIKARITA KOJIHASHIMOTO EIJI
    • F02D13/02F01N3/36
    • Y02T10/18
    • PROBLEM TO BE SOLVED: To provide an internal combustion engine control device for well avoiding the worsening of combustion resulting from the back flow of exhaust gas in an internal combustion engine which has a fuel adding valve arranged in an exhaust passage near an exhaust valve.
      SOLUTION: In an exhaust port 20 of the exhaust passage 16 for a #4 cylinder, the fuel adding valve 26 is provided for adding fuel into the exhaust passage 16. An exhaust variable valve train 58 is provided for changing a valve timing for the exhaust valve 56 (Fig.2). When an execution request for fuel addition from the fuel adding valve 26 is detected and an execution request for exhaust valve early opening control using the exhaust variable valve train 58 is detected, exhaust valve early opening control is not performed for a cylinder located close to the fuel adding valve 26.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种内燃机控制装置,用于很好地避免由内燃机中的废气的回流引起的燃烧恶化,内燃机具有布置在靠近排气口的排气通道中的燃料添加阀 阀。 解决方案:在#4气缸的排气通道16的排气口20中,设置有用于将燃料添加到排气通道16中的燃料添加阀26.一种排气可变气门机构58,用于改变气门正时 对于排气阀56(图2)。 当检测到从燃料添加阀26中添加燃料的执行请求时,检测到使用排气可变气门机构58的排气门提前打开控制的执行请求时,不对位于 燃料添加阀26.版权所有(C)2008,JPO&INPIT
    • 75. 发明专利
    • Control device of internal combustion engine
    • 内燃机控制装置
    • JP2007332875A
    • 2007-12-27
    • JP2006166164
    • 2006-06-15
    • Toyota Motor Corpトヨタ自動車株式会社
    • ISHIYAMA SHINOBUHATTORI FUMIAKIFURUHASHI MICHIONAKATANI KOICHIROMAGATA HISAFUMIOGO TOMOYOSHI
    • F02D13/02F02B31/02F02D21/08F02D41/04
    • Y02T10/146
    • PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine capable of contributing to reduction in a toxic component in exhaust gas and combustion noise, by accurately determining a cylinder of reducing the swirl ratio, in a control device of an internal combustion engine. SOLUTION: The suction air volume in a state of stopping operation of an intake valve of a #1 cylinder, is stored as the suction air volume Ga 1 except for one cylinder of the #1 cylinder. An each cylinder suction air volume reducing quantity ΔGa 1 of the #1 cylinder is calculated by reducing this Ga 1 from the reference suction air volume Ga 0 . An each cylinder suction air volume reducing quantity ΔGa is similarly calculated on the other cylinder. The each cylinder suction air volume reducing quantity ΔGa can be said as the air volume flowing in its cylinder or its correlation value. The swirl ratio reduces as the air volume flowing in the cylinder increases. Thus, a determination is made that the swirl ratio reduces as the cylinder being large in the each cylinder suction air volume reducing quantity ΔGa. COPYRIGHT: (C)2008,JPO&INPIT
    • 解决的问题:为了提供能够有助于减少排气中的有毒成分和燃烧噪声的内燃机的控制装置,通过在控制装置的控制装置中,通过精确地确定减小涡流比的气缸, 内燃机 解决方案:除了#1气缸的一个气缸之外,将#1气缸的进气门的停止操作的吸入空气量作为吸入空气量Ga 1 0 1 来计算#1气缸的每个气缸吸入空气体积减少量ΔGa 1 >。 在另一个气缸上类似地计算每个气缸吸入空气量减少量ΔGa。 每个气缸吸入空气量减少量ΔGa可以说是在其气缸中流动的空气体积或其相关值。 当气缸中流动的空气体积增加时,涡流比减小。 因此,确定涡轮比随着每个气缸吸入空气体积减少量ΔGa中的气缸大而减小。 版权所有(C)2008,JPO&INPIT
    • 76. 发明专利
    • Exhaust emission control device of diesel engine
    • 柴油发动机排气排放控制装置
    • JP2007309147A
    • 2007-11-29
    • JP2006137170
    • 2006-05-17
    • Toyota Motor Corpトヨタ自動車株式会社
    • NAKATANI KOICHIROTOMOTA AKITOSHIISHIYAMA SHINOBUFURUHASHI MICHIOMAGATA HISAFUMIOGO TOMOYOSHI
    • F01N3/08F01N3/20F01N3/24F01N3/28F01N3/36F02D13/02F02D41/12
    • Y02T10/47
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control device of a diesel engine efficiently performing rich spike with less fuel.
      SOLUTION: Presence of a demand for rich spike is determined in deceleration of the diesel engine 10 (steps 100, 102). When rich spike is demanded, valve timing of an exhaust valve 56 is advanced to make exhaust valve closing timing early (step 104). Fuel is injected into a cylinder from an injector (step 106) and is burned in the cylinder. When fuel is short of a fuel quantity required for the rich spike, fuel is applied to an exhaust system (step 108). A large pumping loss is caused by the advancing of the exhaust valve closing timing to countervail positive torque caused by the combustion of fuel in the cylinder, thereby enabling generation of desired engine brake force.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种柴油发动机的废气排放控制装置,其以较少的燃料有效地执行丰富的峰值。 解决方案:在柴油发动机10的减速中确定对富峰的需求的存在(步骤100,102)。 当需要丰富的尖峰时,提前排气阀56的气门正时提前使排气门关闭定时(步骤104)。 燃料从喷射器注入气缸(步骤106),并在气缸中燃烧。 当燃料短于富峰所需的燃料量时,将燃料施加到排气系统(步骤108)。 由于排气门关闭时间的推进而导致由泵内的燃料燃烧引起的抵消正扭矩而引起大的泵送损失,从而能够产生期望的发动机制动力。 版权所有(C)2008,JPO&INPIT
    • 78. 发明专利
    • Failure determination method of fuel injection device
    • 燃油喷射装置故障确定方法
    • JP2007177662A
    • 2007-07-12
    • JP2005375268
    • 2005-12-27
    • Toyota Motor Corpトヨタ自動車株式会社
    • TAKADA TOMOYUKIITOU HISANORIHOKI YUSUKEOGO TOMOYOSHIKANEKO TOMOHIRO
    • F02D41/22F02B23/06F02D45/00
    • Y02T10/125
    • PROBLEM TO BE SOLVED: To provide a method for specifying which of two fuel injection valves fails in a fuel injection device which has two fuel injection valves in each cylinder and switches between premixed combustion operation and diffuse combustion operation of an internal combustion engine through the utilization of these two fuel injection valves.
      SOLUTION: In the failure determination method of a fuel injection device, when generating torque of an internal combustion engine becomes lower than an allowable range in a premixed combustion operation region, valve opening failure of a first fuel injection valve (S108) is determined when the absolute value of the difference between an actual fuel injection volume of each cylinder and target injection volume of a first fuel injection valve (a side injector) is larger than the absolute value of the difference between an actual fuel injection volume of each cylinder and target injection volume of a second fuel injection valve (a center injector), and valve opening failure of a second fuel injection valve (S106) is determined when the absolute value of the difference between an actual fuel injection volume of each cylinder and target injection volume of the second fuel injection valve is larger than the absolute value of the difference between an actual fuel injection volume of each cylinder and target injection volume of the first fuel injection valve.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于指定在每个气缸中具有两个燃料喷射阀的燃料喷射装置中的两个燃料喷射阀中的哪一个失效的方法,并且在预混合燃烧操作和内燃机的扩散燃烧操作之间切换 通过利用这两个燃油喷射阀。 解决方案:在燃料喷射装置的故障判定方法中,当产生内燃机的转矩变得低于预混合燃烧运转区域的容许范围时,第一燃料喷射阀的阀开启故障(S108)为 确定每个气缸的实际燃料喷射量与第一燃料喷射阀(侧面喷射器)的目标喷射量之间的差的绝对值是否大于每个气缸的实际燃料喷射量之间的差的绝对值 并且当每个气缸的实际燃料喷射量与目标喷射之间的差绝对值被确定时,确定第二燃料喷射阀(中心喷射器)的目标喷射量和第二燃料喷射阀的阀开度故障(S106) 第二燃料喷射阀的体积大于每个c的实际燃料喷射量之差的绝对值 第一燃料喷射阀的目标喷射量。 版权所有(C)2007,JPO&INPIT
    • 79. 发明专利
    • Fuel supply device for internal combustion engine
    • 用于内燃机的燃油供应装置
    • JP2007092717A
    • 2007-04-12
    • JP2005286346
    • 2005-09-30
    • Toyota Motor Corpトヨタ自動車株式会社
    • TAKADA TOMOYUKIKANEKO TOMOHIROHOKI YUSUKEITOU HISANORIOGO TOMOYOSHI
    • F02D41/34F02B23/02F02D41/06F02M61/14
    • Y02T10/125
    • PROBLEM TO BE SOLVED: To provide a technology which can start an internal combustion engine quickly.
      SOLUTION: A fuel supply device for the internal combustion engine which is applied to the internal combustion engine characterized in that a main fuel injection valve injecting high-pressure fuel, and a sub-fuel injection valve injecting low-pressure fuel from the main fuel injection valve are arranged in each cylinder, and in that premix combustion performing fuel injection from the main fuel injection valve and the sub-fuel injection valve according to an operating state, and spreading combustion performing the fuel injection from the main fuel injection valve are switched. When starting the engine after warming-up has finished, the fuel injection is performed from the subfuel injection valve.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供可以快速启动内燃机的技术。 解决方案:一种用于内燃机的燃料供应装置,其被应用于内燃机,其特征在于,喷射高压燃料的主燃料喷射阀和从该燃料喷射低压燃料的副燃料喷射阀 主燃料喷射阀布置在每个气缸中,并且在根据操作状态从主燃料喷射阀和副燃料喷射阀执行燃料喷射的预混燃烧中,并且从主燃料喷射阀 被切换。 在加热完成后启动发动机时,燃油喷射从副燃油喷射阀进行。 版权所有(C)2007,JPO&INPIT
    • 80. 发明专利
    • Fuel supply system for internal combustion engine
    • 内燃机燃油供应系统
    • JP2007071143A
    • 2007-03-22
    • JP2005260509
    • 2005-09-08
    • Toyota Motor Corpトヨタ自動車株式会社
    • TAKADA TOMOYUKIKANEKO TOMOHIROHOKI YUSUKEITOU HISANORIOGO TOMOYOSHI
    • F02M55/02
    • PROBLEM TO BE SOLVED: To provide a technique by which injection fuel supply can be stabilized in a compression ignition internal combustion engine with a plurality of fuel injection valves. SOLUTION: The fuel supply system is equipped with a main fuel injection valve, a sub fuel injection valve, a main fuel accumulator for supplying fuel to the main fuel injection valve, a sub fuel accumulator for supplying the fuel to the sub fuel injection valve, a main fuel supply pipe for making the main fuel accumulator and a fuel pump communicate with each other, and a sub fuel supply pipe for making the sub fuel accumulator and the fuel pump communicate with each other. During a given period of time from a start of fuel injection output from the main fuel injection valve, the fuel is supplied to the sub fuel accumulator. When supplying the fuel to the sub fuel accumulator, e.g., a decompression valve is made to open which is provided in a mid-course of the sub fuel supply pipe coupled to the main fuel supply pipe between the main fuel accumulator and the fuel pump. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够通过多个燃料喷射阀在压燃式内燃机中稳定喷射燃料供给的技术。 解决方案:燃料供应系统配备有主燃料喷射阀,副燃料喷射阀,用于向主燃料喷射阀供应燃料的主燃料储存器,用于向副燃料供应燃料的副燃料蓄能器 喷射阀,用于制造主燃料收集器的主燃料供给管和燃料泵彼此连通,并且用于使副燃​​料蓄压器和燃料泵彼此连通的副燃料供给管。 在从主燃料喷射阀输出的燃料喷射开始的给定时间段内,将燃料供给到副燃料蓄积器。 当向副燃料蓄能器供应燃料时,例如使减压阀打开,该减压阀设置在联合到主燃料储存器和燃料泵之间的主燃料供应管的辅助燃料供给管的中段。 版权所有(C)2007,JPO&INPIT