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    • 42. 发明专利
    • Intake device of internal combustion engine
    • 内燃机装置
    • JP2003293775A
    • 2003-10-15
    • JP2002103889
    • 2002-04-05
    • Toyota Motor Corpトヨタ自動車株式会社
    • OZAWA MASAHIROICHINOSE HIROKIKATO YUICHIWAKAO KAZUHIROMURASE SUNAO
    • F02B31/00F02M69/00
    • Y02T10/146
    • PROBLEM TO BE SOLVED: To prevent accumulation of liquid fuel near the downstream side of an intake flow control valve in an intake device having the intake flow control valve for generating tumbling flow.
      SOLUTION: An intake pipe 2 is provided with the intake flow control valve 4, and upward both ends of the intake flow control valve 4 are provided with partitions 4B and 4B. Between the partitions 4B and 4B, a main opening 4A for mainly passing air when the intake flow control valve 4 is closed is formed. Sub openings 4C and 4C are formed at side edges of the intake flow control valve 4, and pass air less than the main opening 4A. Air re-wound on the downstream side of the intake flow control valve 2 in the intake pipe 2, and fuel contained in the air are pressed back by the air passing through the sub openings 4C and 4C, and prevent accumulation of the fuel near the downstream side of the intake flow control valve 4.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了防止在具有用于产生翻滚流的进气流量控制阀的进气装置中的进气流量控制阀的下游侧附近的液体燃料积聚。

      解决方案:进气管2设置有进气流量控制阀4,并且进气流量控制阀4的两端设置有分隔件4B和4B。 在分隔件4B和4B之间形成有用于当进气流量控制阀4关闭时主要通过空气的主开口4A。 副开口4C和4C形成在进气流量控制阀4的侧边缘处,并使空气比主开口4A小。 空气在进气管2中的进气流量控制阀2的下游侧再次卷绕,并且,空气中所含的燃料被通过副开口4C,4C的空气压回,能够防止燃料附近的积聚 进气流量控制阀4的下游侧。(P)版权所有(C)2004,JPO

    • 43. 发明专利
    • Fuel injection control device for internal combustion engine
    • 用于内燃机的燃油喷射控制装置
    • JP2010144573A
    • 2010-07-01
    • JP2008321151
    • 2008-12-17
    • Toyota Motor Corpトヨタ自動車株式会社
    • MURASE SUNAOSANO TAKESHI
    • F02D41/06F02D41/02F02D41/34F02D45/00F02M63/00
    • F02D41/062F02D35/023F02D41/3094
    • PROBLEM TO BE SOLVED: To provide a fuel injection control device for an internal combustion engine, improving startability of the engine even when heavy fuel is used and combustion is deteriorated, and not deteriorating emissions in starting. SOLUTION: In the internal combustion engine provided with a cylinder injection injector 32 and an intake passage injection injector 34, when deterioration of engine combustion is detected during a predetermined period in engine starting performed by injecting the predetermined total amount of fuel injected from the cylinder injection injector 32 and intake passage injection injector 34 at a predetermined injection ratio, only the amount of fuel injected from the cylinder injection injector 32 is increased and controlled. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种用于内燃机的燃料喷射控制装置,即使在使用重型燃料并且燃烧恶化的情况下,也能够提高发动机的起动性,并且不会降低起动时的排放。 解决方案:在具有气缸喷射喷射器32和进气通道喷射喷射器34的内燃机中,当在发动机起动的预定时间段期间检测到发动机燃烧的劣化时,通过喷射预定的总燃料量 气缸喷射喷射器32和进气通道喷射喷射器34以预定的喷射比率仅增加和控制从气缸喷射喷射器32喷射的燃料量。 版权所有(C)2010,JPO&INPIT
    • 45. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2010071110A
    • 2010-04-02
    • JP2008236786
    • 2008-09-16
    • Toyota Motor Corpトヨタ自動車株式会社
    • GOYA YOICHIROMURASE SUNAO
    • F02D45/00
    • PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine avoiding breakage of an air-fuel ratio detection element due to getting wet, accelerating heating of the air-fuel ratio detection element, and making temperature of the air-fuel ratio detection element reach activated temperature at an early stage by preventing steam in exhaust gas from being easily condensed at an element cover by dropping steam concentration in exhaust gas. SOLUTION: The control device forcibly cools exhaust system components (time t0-t3 in Fig.5) when the element cover temperature TC is lower than a first temperature (dew-point temperature in case the steam concentration of exhaust gas is normal) TCthH. Consequently, since steam in exhaust gas becomes dew condensation water in an exhaust gas passage, steam concentration of the exhaust gas reaching the air-fuel ratio sensor drops. Since dew-point temperature of the element cover, therefore, drops to a second temperature TCthL, heat generation quantity of a heater is increased when the element cover temperature TC gets to the second temperature TCthL or higher (refer time t1 or later). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种用于内燃机的控制装置,其避免由于变湿而导致的空燃比检测元件的破损,加速空燃比检测元件的加热,并且使空气的温度 - 燃料比检测元件通过防止废气中的蒸气通过降低废气中的蒸汽浓度而在元件盖处容易地冷凝,从而在早期达到活化温度。

      解决方案:当元件盖温度TC低于第一温度时,控制装置强制冷却排气系统部件(图5中的时间t0-t3)(废气的蒸汽浓度正常的情况下的露点温度 )TCthH。 因此,由于排气中的蒸汽在排气通路中成为结露水,所以到达空燃比传感器的排气的蒸汽浓度下降。 因此,由于元件盖的露点温度下降到第二温度TCthL,所以当元件盖温度TC达到第二温度TCthL以上时(参照时刻t1以后),加热器的发热量增加。 版权所有(C)2010,JPO&INPIT

    • 46. 发明专利
    • Nox sensor and its deterioration suppressing and restoring control unit
    • NOX传感器及其检测抑制和恢复控制单元
    • JP2009288014A
    • 2009-12-10
    • JP2008139775
    • 2008-05-28
    • Toyota Motor Corpトヨタ自動車株式会社
    • MURASE SUNAO
    • G01N27/416G01N27/419
    • PROBLEM TO BE SOLVED: To provide an NOx sensor capable of easily performing the deterioration suppression and restoration of an NOx sensor, and its deterioration suppressing and restoring control unit. SOLUTION: The NOx sensor, which has a pump cell 240, a monitor cell 260 and a sensor cell 250 each of which includes a pair of electrodes and uses an electrode 241 containing an Au material in the pump cell 240 and an electrode 251 the sensor cell 250 of which contains an Rh material includes heating means (212 and 214) capable of heating an object to temperature higher than the melting point of Au. The deterioration suppressing and restoring control unit includes a determination means for determining the deterioration of the NOx sensor and a heating control means for allowing the heating means (212 and 214) to act for a predetermined time so as to heat the object to the temperature higher than the melting point of Au when the deterioration state of the NOx sensor is determined by the determination means. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够容易地进行NOx传感器的劣化抑制和恢复的NOx传感器及其劣化抑制和恢复控制单元。 解决方案:具有泵浦单元240的NOx传感器,监视器单元260和传感器单元250,每个都包括一对电极,并且使用在泵室240中包含Au材料的电极241和电极 251,其传感器单元250包含Rh材料包括能够将物体加热到高于Au的熔点的温度的加热装置(212和214)。 劣化抑制恢复控制单元包括用于确定NOx传感器的劣化的确定装置和用于允许加热装置(212和214)起作用预定时间的加热控制装置,以将物体加热到更高的温度 当由确定装置确定NOx传感器的劣化状态时,Au的熔点。 版权所有(C)2010,JPO&INPIT
    • 47. 发明专利
    • Internal combustion engine and fuel supply control device of internal combustion engine
    • 内燃机内燃机和燃油供应控制装置
    • JP2009209890A
    • 2009-09-17
    • JP2008056457
    • 2008-03-06
    • Toyota Motor Corpトヨタ自動車株式会社
    • MURASE SUNAOHOSHI KOICHISUDA SHOGO
    • F02D41/06
    • PROBLEM TO BE SOLVED: To restrain the air-fuel ratio from becoming excessively lean after starting an internal combustion engine.
      SOLUTION: This internal combustion engine 1 has a port injection valve 32 for supplying furl to air A in an intake port 8i. When starting the internal combustion engine 1, after an engine speed of the internal combustion engine 1 becomes a peak value, a quantity of fuel F supplied to the intake port 8i from the port injection valve 32 is increased more than a reference fuel supply quantity set based on an operation condition of the internal combustion engine 1 when the engine speed reduces. Thus, after starting the internal combustion engine 1, the air-fuel ratio is restrained from becoming excessively lean.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了在启动内燃机之后抑制空燃比变得过度倾斜。 解决方案:该内燃机1具有用于向进气口8i中的空气A供应气流的喷嘴阀32。 当启动内燃机1时,在内燃机1的发动机转速成为峰值之后,从进气口喷射阀32供给到进气口8i的燃料F量比基准燃料供给量设定 基于发动机转速降低时的内燃机1的运转状态。 因此,在启动内燃机1之后,空燃比被抑制变得过度倾斜。 版权所有(C)2009,JPO&INPIT
    • 48. 发明专利
    • Device for determining abnormal section of exhaust emission control system
    • 用于确定排气控制系统异常部分的装置
    • JP2009156159A
    • 2009-07-16
    • JP2007335073
    • 2007-12-26
    • Toyota Motor Corpトヨタ自動車株式会社
    • MURASE SUNAO
    • F01N3/20B01D53/86B01D53/94F01N3/08F01N3/18F01N3/24F01N3/28
    • PROBLEM TO BE SOLVED: To provide a device for determining an abnormal section of an exhaust emission control system capable of determining even abnormality of each element constructing the exhaust emission control system. SOLUTION: This device for determining the abnormal section of the exhaust emission control system includes a selective reduction type NOx catalyst 34 provided in an exhaust gas passage of an internal combustion engine, an NH 3 oxidation catalyst 36 and an urea water supply means 40 at a downstream thereof. The device is provided with a NOx sensor 52 disposed at a downstream of the NH 3 oxidation catalyst, a NOx concentration increase means increasing NOx concentration of exhaust gas by predetermined quantity during an abnormality determination mode, a first output value change detection means detecting change of output value of the NOx sensor when the NOx concentration is increased by predetermined quantity, an urea water supply quantity increase control means controlling predetermined quantity increase of the urea water supply quantity, a second output value change detection means detecting change of output value of the NOx sensor when urea water supply quantity is controlled to be increased by predetermined quantity, and a first determination means determining if at least the selective reduction type NOx catalyst and the NH 3 oxidation catalyst is normal or abnormal based on change of output value of the NOx sensor. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供一种用于确定能够确定构成废气排放控制系统的每个元件的偶数异常的废气排放控制系统的异常部分的装置。 解决方案:用于确定废气排放控制系统的异常部分的装置包括设置在内燃机的排气通道中的选择还原型NOx催化剂34,NH 3 SB 3氧化催化剂 36和在其下游的尿素水供给装置40。 该装置设置有设置在NH 3氧化催化剂下游的NOx传感器52,NOx浓度增加装置,在异常判定模式期间将排气的NOx浓度提高预定量,第一输出 当NOx浓度增加预定量时检测NOx传感器的输出值的变化的值变化检测装置,控制尿素水供给量的预定量增加的尿素水供给量增加控制装置,第二输出值变化检测装置检测 当将尿素水供给量控制为增加预定量时,NOx传感器的输出值的变化,以及第一确定装置,确定至少选择还原型NOx催化剂和NH 3 SB 3氧化催化剂 基于NOx传感器的输出值的变化而正常或异常。 版权所有(C)2009,JPO&INPIT
    • 50. 发明专利
    • Starting control device of internal combustion engine
    • 内燃机起动控制装置
    • JP2009057831A
    • 2009-03-19
    • JP2007223156
    • 2007-08-29
    • Toyota Motor Corpトヨタ自動車株式会社
    • MURASE SUNAOHIROOKA SHIGEMASASUDA SHOGOIDE KOJI
    • F02P5/15F02D45/00
    • Y02T10/46
    • PROBLEM TO BE SOLVED: To prevent an engine stall when restarting from engine stopping just after starting, in a starting control device of an internal combustion engine for generating desired torque regardless of a present fuel property, by controlling the ignition timing based on elapsed time of a preset crank angle range including the ignition timing when starting the engine. SOLUTION: When restarting from the engine stopping just after starting, the ignition timing of second time combustion of respective cylinders is set to the initially set reference ignition timing for heavy fuel regardless of the elapsed time of the preset crank angle range including the initial explosion ignition timing of the respective cylinders. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了防止发动机在启动后从发动机停止重新启动时停止,在内燃机的起动控制装置中,无论现在的燃料性质如何,通过控制点火正时,通过控制点火正时 包括启动发动机时的点火正时的预设曲柄角范围的经过时间。 解决方案:在起动后停止从发动机起动时,各个气缸的第二次燃烧的点火正时被设定为初始设定的重型燃料的基准点火时间,而不考虑预设的曲柄角范围的经过时间,包括 各气缸的初始爆燃点火正时。 版权所有(C)2009,JPO&INPIT