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    • 1. 发明专利
    • Exhaust emission control apparatus
    • 排气控制装置
    • JP2012255393A
    • 2012-12-27
    • JP2011129229
    • 2011-06-09
    • Toyota Motor Corpトヨタ自動車株式会社
    • NAKAJIMA TAKAHIROENDO GENSHIRO
    • F01N3/36
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control apparatus that can prevent an additive from being subjected to a high temperature even when the additive leaks from a connection part of a supply pipe to an adding valve.SOLUTION: The exhaust emission control apparatus includes: the adding valve 30 mounted to an exhaust manifold 20 that is positioned exhaust-upstream of a catalytic converter 13 for purifying exhaust emissions from an internal combustion engine 10; and the supply pipe 50 connected to the adding valve 30 and supplying the adding valve 30 with the additive A for recovering the exhaust emission purifying ability of the catalytic converter 13. The exhaust emission control apparatus injects the additive A supplied through the supply pipe 50 into the exhaust manifold 20 from the adding valve 30. In the exhaust emission control apparatus, a shielding wall 70 is provided at least below the connection part B of the supply pipe 50 to the adding valve 30 and above the exhaust manifold 20 to receive the additive A when the additive A leaks from the connection part B.
    • 要解决的问题:提供即使当添加剂从供给管的连接部分泄漏到添加阀时也能够防止添加剂经受高温的废气排放控制装置。 解决方案:废气排放控制装置包括:安装在排气歧管20上的添加阀30,该排气歧管20位于催化转化器13的排气上游,用于净化来自内燃机10的废气排放物; 以及与添加阀30连接的供给管50,向添加阀30供给用于回收催化转化器13的排气净化能力的添加剂A.废气排放控制装置将通过供给管50供给的添加剂A注入 排气歧管20在排气排放控制装置中,至少在供给管50的连接部分B的下方,在排气歧管20的上方,在排气歧管20的上方设置遮蔽壁70,以接收添加剂 A,当附加剂A从连接部分B泄漏时。(C)2013,JPO&INPIT
    • 2. 发明专利
    • Exhaust control device
    • 排气控制装置
    • JP2008202509A
    • 2008-09-04
    • JP2007039904
    • 2007-02-20
    • Toyota Motor Corpトヨタ自動車株式会社
    • WATANABE IZUMIKANBA CHIKAENDO GENSHIRO
    • F01N3/02F01N13/08
    • PROBLEM TO BE SOLVED: To provide an exhaust control device accurately controlling exhaust pressure to be desired one, when a control of exhaust pressure is performed.
      SOLUTION: The exhaust control device controlling pressure of exhaust in an exhaust path 1, comprises: an open/close means 5 opening/closing the exhaust path; an introduction part 18 in which the exhaust pressure upstream of an installation position of the open/close means in the exhaust path; a displacement part 14 receiving the pressure of the introduction part displaced depending on the pressure of the introduction part; and a displacement regulation means regulating the displacement of the displacement part when the pressure of the introduction part is predetermined pressure or lower. The open/close means is constituted to open/close the exhaust path in conjunction with the displacement of the displacement part. The displacement regulation means includes: an action means 21 applying, to the displacement part, a predetermined force in a direction opposite to a direction of a force of the pressure of the introduction part received by the displacement part; and an action force change means 12 variably setting the magnitude of the predetermined force.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供排气控制装置,当执行排气压力的控制时,精确地控制要求的排气压力。 解决方案:排气控制装置,其控制排气路径1中排气的压力,包括:打开/关闭排气路径的打开/关闭装置5; 引导部18,其中排气路径中的打开/关闭装置的安装位置的上游排气压力; 位移部分14,其承受根据导入部分的压力而移位的引入部分的压力; 以及当所述引入部的压力为预定压力或更低时调节所述位移部的位移的位移调节装置。 打开/关闭装置被构造成结合位移部分的位移来打开/关闭排气路径。 位移调节装置包括:作用装置21,向与位移部分接收的导入部分的压力方向相反的方向施加预定的力; 以及作用力改变装置12,其可变地设定预定力的大小。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Exhaust recirculation device for internal combustion engine
    • 用于内燃机的排气再循环装置
    • JP2007192143A
    • 2007-08-02
    • JP2006011611
    • 2006-01-19
    • Toyota Motor Corpトヨタ自動車株式会社
    • ENDO GENSHIROMORI TAIICHI
    • F02M25/07
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To provide an exhaust recirculation device for an internal combustion engine, capable of restricting leak of condensation water generated in the exhaust recirculation device to the external.
      SOLUTION: The device comprises a housing 37, including a first passage 37a to compose a part of an exhaust recirculation passage, and a second passage 37b to compose a part of a bypass passage, valve elements 38 respectively disposed at the passages 37a and 37b to open/close the passages, and a valve stem 39 on which the valve elements are integrally rotatably installed, extends so as to traverse each of the first passage 37a and the second passage 37b. The valve stem 39 is disposed in such a way that one end part 39a on one side of the first passage 37a is contained in the housing 37, and that the other end part 39b on the side of the second passage 37b is exposed outside the housing 37.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于内燃机的排气再循环装置,其能够将排气再循环装置中产生的冷凝水的泄漏限制到外部。 解决方案:该装置包括壳体37,其包括构成排气再循环通道的一部分的第一通道37a和构成旁通通道的一部分的第二通道37b,分别设置在通道37a处的阀元件38 和37b以打开/关闭通道,并且其中阀元件整体可旋转地安装在其上的阀杆39延伸以便横过第一通道37a和第二通道37b中的每一个。 阀杆39设置成使得第一通道37a的一侧上的一个端部39a容纳在壳体37中,并且第二通道37b侧的另一端部39b暴露在壳体 37.版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • Exhaust device for internal combustion engine
    • 用于内燃机的排气装置
    • JP2009024679A
    • 2009-02-05
    • JP2007191340
    • 2007-07-23
    • Toyota Motor Corpトヨタ自動車株式会社
    • ENDO GENSHIRO
    • F01N3/36F01N3/08F01N3/20F01N13/08F01N13/10
    • PROBLEM TO BE SOLVED: To provide an exhaust device for an internal combustion engine suppressing clogging of an addition valve for adding additives to an exhaust system.
      SOLUTION: The exhaust device has an outer tube 33 and an inner tube 34 disposed in the outer tube 33. The exhaust gas from the internal combustion engine can pass through the inner tube 34. The exhaust device further has: an exhaust passage 3 of double pipe structure having a catalytic converter cleaning the exhaust gas; the addition valve 6 adding the additives recovering a cleaning ability of the catalytic converter; and a mounting means 7 disposed to the exhaust passage upstream of the catalytic converter, with respect to an exhaust direction of exhaust gas, and mounting the addition valve 6 to the exhaust passage 3 through a mounting pipe 71 of single pipe structure.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供一种用于抑制用于向排气系统添加添加剂的添加阀的堵塞的内燃机的排气装置。 解决方案:排气装置具有设置在外管33中的外管33和内管34.来自内燃机的废气可以通过内管34.排气装置还具有:排气通道 3,具有清洁废气的催化转化器的双管结构; 添加阀6,添加回收催化转化器的清洗能力的添加剂; 以及安装装置7,其相对于排气的排气方向设置在催化转化器的上游的排气通道上,并且通过单管结构的安装管71将加法阀6安装到排气通道3。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Intake port for internal combustion engine
    • 内燃机入口
    • JP2007231921A
    • 2007-09-13
    • JP2006058326
    • 2006-03-03
    • Toyota Motor Corpトヨタ自動車株式会社
    • ITOU HISANORISATO YASUOHORIKOSHI OSAMUTAKADA TOMOYUKIITO HIROKAZUENDO GENSHIRO
    • F02B31/02F02F1/42
    • Y02T10/146
    • PROBLEM TO BE SOLVED: To control swirl, and to secure both of strong swirl and high filling efficiency when required.
      SOLUTION: An upper wall face 14 of an intake air inlet passage part 8 of an intake port 4 is constituted of a first upper wall face 14a and a second upper wall face 14b lower than the first upper wall face 14a, and a lower-laminar flow passage X and an upper-laminar flow passage Y are formed so that a height position of the second upper wall face 14b is a border between the passages X, Y. A lower-laminar flow flowing in the lower-laminar flow passage X passes through an intake valve opening part area Z when an intake valve 6 is opened, and flows in a peripheral direction of a combustion chamber 3 to generate the swirl. An upper-laminar flow flowing in the upper-laminar flow passage Y flows into the combustion chamber 3 through a swirl part 7. A flow control valve 20 is disposed in the lower-laminar flow passage X to control the swirl.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了控制涡流,并在需要时确保强涡流和高填充效率。 解决方案:进气口4的进气通道部分8的上壁面14由比第一上壁面14a低的第一上壁面14a和第二上壁面14b构成, 形成下层流路X和上层流路Y,使得第二上壁面14b的高度位置是通道X,Y之间的边界。在下层流中流动的下层流 当进气门6打开时,通道X通过进气门开口部区域Z,并且在燃烧室3的周向方向上流动以产生涡流。 在上层流通道Y中流动的上层流动通过涡流部分7流入燃烧室3.流量控制阀20设置在下层流通道X中以控制涡流。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Intake device for internal combustion engine
    • 内燃机装置
    • JP2007231916A
    • 2007-09-13
    • JP2006058090
    • 2006-03-03
    • Toyota Motor Corpトヨタ自動車株式会社
    • ITOU HISANORISATO YASUOHORIKOSHI OSAMUTAKADA TOMOYUKIITO HIROKAZUENDO GENSHIRO
    • F02B31/02F02B31/00F02M35/104
    • Y02T10/146
    • PROBLEM TO BE SOLVED: To secure high filling efficiency without generating swirl. SOLUTION: An intake device has a pair of intake ports 4, 5 having shapes symmetrical with each other with respect to a flat surface including a cylinder axis. An upper wall face 14 of an intake air inlet passage part 8 of each of the intake ports 4, 5 is constituted of a first upper wall face 14a and a second upper wall face 14b lower than the first upper wall face 14a, and a lower-laminar flow passage X and an upper-laminar flow passage Y are formed so that a height position of the second upper wall face 14b is a border between the passages X, Y. The lower-laminar flow flowing in the lower-laminar flow passage X flows in a peripheral direction of a combustion chamber 3 through an intake valve opening part area Z when an intake valve 6 is opened. The upper-laminar flow flowing in the upper-laminar flow passage Y flows into the combustion chamber 3 through a swirl part 7. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:确保高填充效率而不产生涡流。 解决方案:进气装置具有一对进气口4,5,其具有相对于包括气缸轴线的平坦表面彼此对称的形状。 每个进气口4,5的进气通道部分8的上壁面14由比第一上壁面14a低的第一上壁面14a和第二上壁面14b构成,下壁面 层流通道X和上层流通道Y形成为使得第二上壁面14b的高度位置是通道X,Y之间的边界。在下层流通道中流动的下层流 当进气门6打开时,X通过进气门开度区域Z在燃烧室3的周向流动。 在上层流通道Y中流动的上层流动通过涡流部分7流入燃烧室3中。(C)2007,JPO&INPIT
    • 9. 发明专利
    • Exhaust circulating device for internal combustion engine
    • 用于内燃机的排气循环装置
    • JP2009216033A
    • 2009-09-24
    • JP2008062434
    • 2008-03-12
    • Toyota Motor Corpトヨタ自動車株式会社
    • ENDO GENSHIRO
    • F02M25/07
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To provide an exhaust circulating device for an internal combustion engine capable of increasing an exhaust circulation amount, restricting an increase of the dimension of the device.
      SOLUTION: This exhaust circulating device 1 includes an exhaust circulation passage for taking exhaust gas out of an exhaust passage 2 and circulating the exhaust gas to an intake passage 4, an inlet tube 6 connected to the exhaust passage 2, and an outlet tube 11 connected to a flow rate adjusting device 5 for adjusting a flow rate of EGR gas. Each of the inlet tube 6 and the outlet tube 11 is constituted so that the inner diameter D1 of the inlet tube 6 is larger than the inner diameter D2 of the outlet tube 11.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够增加排气循环量的内燃机排气循环装置,限制了装置尺寸的增加。 解决方案:该排气循环装置1包括排气循环通道,用于将排气从排气通道2排出并使废气循环到进气通道4,连接到排气通道2的入口管6和出口 管11连接到用于调节EGR气体的流量的流量调节装置5。 入口管6和出口管11中的每一个都被构造成使得入口管6的内径D1大于出口管11的内径D2。版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Exhaust emission control system for internal combustion engine
    • 用于内燃机的排气排放控制系统
    • JP2006299967A
    • 2006-11-02
    • JP2005123759
    • 2005-04-21
    • Toyota Motor Corpトヨタ自動車株式会社
    • ENDO GENSHIRO
    • F01N3/36B01D53/86B01J38/04F01N3/08F01N3/28F01N13/10F02B37/00F02B37/02F02M25/07
    • F02M26/46F02M26/05
    • PROBLEM TO BE SOLVED: To facilitate installation of an addition valve without changing the design of a cylinder head and to maximize the effectiveness of an additive agent, in an exhaust emission control system for an internal combustion engine 1 including a catalytic converter and the additive agent addition valve for recovering the cleanup capability of the catalytic converter. SOLUTION: In the exhaust emission control system, the addition valve 10 is attached to the outer side of an exhaust manifold 41 upstream of the catalytic converter 8, the exhaust manifold 41 being one of exhaust passages 41, 42 and connected to exhaust ports 4 of the internal combustion engine 1. By thus externally providing the addition valve 10 on the exhaust manifold 41, it is unnecessary to change the design of the cylinder head as in the conventional system and it is possible to relatively easily install the addition valve. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了便于在不改变气缸盖的设计的情况下安装添加阀并且最大化添加剂的有效性,在用于内燃机1的废气排放控制系统中,包括催化转化器和 用于回收催化转化器的净化能力的添加剂添加阀。 解决方案:在废气排放控制系统中,添加阀10附接到催化转化器8上游的排气歧管41的外侧,排气歧管41是排气通道41,42之一并连接到排气歧管 通过这样在排气歧管41上外部设置加法阀10,就不需要象以往的系统那样改变气缸盖的设计,并且可以相对容易地安装加气阀 。 版权所有(C)2007,JPO&INPIT