专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2014043781A Exhaust purification device 审中-公开
标题翻译：排气净化装置
公开(公告)号：JP2014043781A
公开(公告)日：2014-03-13
申请号：JP2012185249
申请日：2012-08-24
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： MORIMOTO KENJI , OKADA KOJIRO , TSUNEKAWA KIYOKA , KIMURA HIROYUKI , MATSUDA SEIJI , ISOBE YUSUKE
IPC分类号： F01N3/20 , F01N3/08 , F01N3/24 , F01N5/00 , F01N13/08
CPC分类号： Y02T10/16
摘要： PROBLEM TO BE SOLVED: To improve exhaust performance with a catalyst in a low temperature state through a simple configuration.SOLUTION: An exhaust purification device comprises: a catalyst 31 which is installed in an exhaust passage 23 of an internal combustion engine 10 and purifies a harmful component contained in exhaust; an exhaust throttle valve 33 which is installed in the exhaust passage 23 at a downstream side of the catalyst 31; a back-flow passage 32 which connects the exhaust passage 23 at the upstream side of the catalyst 31 and the exhaust passage 23 between the catalyst 31 and the exhaust throttle valve 33; pressure acquisition means 5 which acquires upstream pressure P1 at the upstream side of the catalyst 31; and control means 4 which controls opening and closing of the exhaust throttle valve 33 on the basis of the upstream pressure P1 acquired by the pressure acquisition means 5 when a temperature of the catalyst 31 is less than an activating temperature. The control means 4: closes the exhaust throttle valve 33 to circulate exhaust in the back-flow passage 32 when the upstream pressure P1 is on the decrease and reaches a first predetermined pressure equal to or larger than atmospheric pressure in one cycle of a cyclic pressure change due to a pulsation of exhaust at the upstream side of the catalyst 31; and opens the exhaust throttle valve 33 when the upstream pressure P1 is on the rise.
摘要翻译：要解决的问题：通过简单的结构，通过催化剂在低温状态下提高排气性能。解决方案：一种排气净化装置，包括：催化剂31，其安装在内燃机10的排气通道23中并净化废气中含有有害成分; 排气节流阀33，其安装在催化剂31的下游侧的排气通路23中; 连接催化剂31的上游侧的排气通路23和催化剂31与排气节流阀33之间的排气通路23的回流通路32; 压力获取装置5，其获取催化剂31的上游侧的上游压力P1; 以及当催化剂31的温度低于活化温度时，基于由压力获取装置5获取的上游压力P1来控制排气节流阀33的打开和关闭的控制装置4。控制装置4：当上游压力P1下降时，关闭排气节流阀33使后流路32中的排气循环，并且在循环压力的一个循环中达到等于或大于大气压的第一预定压力由于催化剂31的上游侧的排气脉动而发生变化; 并且当上游压力P1上升时打开排气节流阀33。

2. 发明专利

JP2013217323A Exhaust purification device of internal combustion engine 有权
标题翻译：内燃机排气净化装置
公开(公告)号：JP2013217323A
公开(公告)日：2013-10-24
申请号：JP2012089643
申请日：2012-04-10
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： OKADA KOJIRO , TSUNEKAWA KIYOKA , KIMURA HIROYUKI , MATSUDA SEIJI , MORIMOTO KENJI , ISOBE YUSUKE
IPC分类号： F01N3/24 , F01N3/08 , F01N3/28 , F02D21/08 , F02D23/00 , F02M25/07
CPC分类号： Y02T10/121 , Y02T10/144
摘要： PROBLEM TO BE SOLVED: To reduce a flow rate of an exhaust gas in a state that an air intake amount is sufficiently secured at high-load drive.SOLUTION: An exhaust purification device of an internal combustion engine comprises: a supercharging means 15 for supercharging the air intake of an air intake passage by the exhaust of an exhaust passage 14; a NOx purification catalyst 24 arranged in the exhaust passage on the downstream side rather than the supercharging means and purifying NOx in the exhaust; a low-pressure EGR passage 35 which makes the air intake passage on the upstream side rather than the supercharging means communicate with the exhaust passage on the upstream side rather than the NOx purification catalyst at the downstream side rather than the supercharging means; a low-pressure EGR valve 37 arranged in the low-pressure EGR passage in the vicinity of a communication region with the exhaust passage, and controlling the circulation of an exhaust gas to the air intake passage from the exhaust passage by opening and closing the low-pressure EGR passage; and a control means 41 for controlling the operation of the low-pressure EGR valve. When an engine 1 is in an EGR non-introduction drive region in which the engine is brought into a high-load state, a part of the exhaust gas on the downstream side of the purification device 23 is introduced into the low-pressure EGR passage, and a flow-in rate of the exhaust gas to the NOx trap catalyst 24 is suppressed.
摘要翻译：要解决的问题：为了在高负载驱动下充分确保进气量的状态下降低排气流量。解决方案：内燃机的排气净化装置包括：增压装置15，通过排气通道14的排气进气通道的进气口; 排出在排气通道中的NOx净化催化剂24而不是增压装置，并净化排气中的NOx; 使上游侧的进气通路而不是增压装置的低压EGR通路35与上游侧的排气通路而不是在下游侧而不是增压装置的NOx净化催化剂连通; 低压EGR阀37，其布置在与排气通道的连通区域附近的低压EGR通路中，并且通过打开和关闭低压来控制排气到排气通道的进气通道的循环压缩EGR通道; 以及用于控制低压EGR阀的操作的控制装置41。当发动机1处于发动机处于高负载状态的EGR非引入驱动区域时，净化装置23的下游侧的排气的一部分被引入低压EGR通路，并且抑制了向NOx捕集催化剂24的废气的流入速度。

3. 发明专利

JP2013185511A Exhaust emission control device of internal combustion engine 审中-公开
标题翻译：内燃机排气控制装置
公开(公告)号：JP2013185511A
公开(公告)日：2013-09-19
申请号：JP2012051785
申请日：2012-03-08
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： MATSUDA SEIJI , OKADA KOJIRO , TSUNEKAWA KIYOKA , KIMURA HIROYUKI , MORIMOTO KENJI , ISOBE YUSUKE
IPC分类号： F01N3/08 , B01D53/86 , B01D53/94
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine capable of preventing a pump from being damaged.SOLUTION: When a manifold pressure Pm which is the internal pressure of a gas manifold (28) detected by a pressure sensor (29) is equal to a first predetermined pressure Psn1, the operations of a gas booster pump (30) and a gas injector (32) are restricted by reducing the duty of the gas booster pump (30) and the pulses of the gas injector (32), respectively, to reduce the amount of injection of the ammonia gas injected into an exhaust pipe (18). The duty of a heater (27) is increased to heat a tank (26) by the heater (27) so as to desorb ammonia gas from an ammonia storage salt for producing ammonia gas. The ammonia gas is stored in the gas manifold (28).
摘要翻译：要解决的问题：提供能够防止泵损坏的内燃机的废气排放控制装置。解决方案：当由压力传感器检测到的作为气体歧管（28）的内部压力的歧管压力Pm （29）等于第一预定压力Psn1时，通过降低气体增压泵（30）的占空比和气体喷射器的脉冲来限制气体增压泵（30）和气体喷射器（32）的操作（32），以减少喷射到排气管（18）中的氨气的喷射量。增加加热器（27）的作用，通过加热器（27）加热罐（26），以从用于产生氨气的氨储存盐中解氨氨气。氨气被储存在气体歧管（28）中。

4. 发明专利

JP2013124563A Exhaust emission control device of internal combustion engine 有权
标题翻译：内燃机排气控制装置
公开(公告)号：JP2013124563A
公开(公告)日：2013-06-24
申请号：JP2011272637
申请日：2011-12-13
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： TSUNEKAWA KIYOKA , OKADA KOJIRO , KIMURA HIROYUKI , MATSUDA SEIJI , ISOBE YUSUKE , MORIMOTO KENJI
IPC分类号： F01N3/24 , B01D53/94 , F01N3/08
摘要： PROBLEM TO BE SOLVED: To constantly induce ammonia production reaction on an upstream side of an SCR catalyst, and to suppress deterioration in thermal efficiency of an internal combustion engine by removing condensed water, which is produced on an outlet side of an intercooler, from suction air.SOLUTION: A condensed water storage tank 28 is provided in an outlet of an intercooler 26, and a condensed water produced in the intercooler 26 is stored in the condensed water storage tank 28. The condensed water storage tank 28 and an upstream-side exhaust pipe 18 of a catalyst converter 50 are connected by a water vapor supply pipe 68, and an electric heater 70 is arranged on an outer peripheral surface of the water vapor supply pipe 68. When an exhaust temperature of an urea aqueous solution supply area does not reach an ammonia production temperature, the condensed water c is heated by the electric heater 70 and turned into water vapor s, and the water vapor is sprayed on the urea aqueous solution supply area. Consequently, the exhaust temperature is set equal to or higher than the ammonia production temperature, and ammonia production and NOx detoxification reaction can be maintained.
摘要翻译：待解决的问题：为了不断地在SCR催化剂的上游侧引起氨生成反应，并且通过除去在中间冷却器的出口侧产生的冷凝水来抑制内燃机的热效率的劣化，从吸入空气。解决方案：冷凝水储存箱28设置在中间冷却器26的出口中，并且在中间冷却器26中产生的冷凝水储存在冷凝水储存箱28中。冷凝水储存箱28和上游侧储存罐28，催化剂转化器50的侧排气管18通过水蒸汽供给管68连接，电加热器70配置在水蒸汽供给管68的外周面上。当尿素水溶液供给区域的排气温度没有达到氨生产温度，冷凝水c被电加热器70加热并变成水蒸气，水蒸汽喷射在尿素水溶液供应区域上。因此，将排气温度设定为等于或高于氨生产温度，并且可以保持氨生产和NOx解毒反应。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2013002398A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2013002398A
公开(公告)日：2013-01-07
申请号：JP2011135719
申请日：2011-06-17
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： MORIMOTO KENJI , TSUNEKAWA KIYOKA , OKADA KOJIRO
IPC分类号： F01N3/36 , F01N3/24
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of injecting an additive to the entire end face of an exhaust purification catalyst while suppressing a pressure loss in exhaust gas.SOLUTION: The exhaust emission control device includes: an exhaust passage 34 connected to an exhaust port of an engine; an exhaust purification catalyst disposed in the exhaust passage; an injector 35 injecting an additive to supply the additive to the exhaust purification catalyst; and an additive passing part where the additive injected by the injector passes. The additive passing part includes a spiral groove 51 that revolves from at least a position opposing to an injection hole 47 of the injector toward the exhaust purification catalyst; and the additive injected by the injector revolves along the spiral groove.
摘要翻译：解决问题的方案：提供一种能够在抑制排气压力损失的同时向排气净化催化剂的整个端面注入添加剂的废气排放控制装置。解决方案：排气排放控制装置包括：连接到发动机的排气口的排气通道34; 排气净化催化剂，其设置在排气通路中; 喷射器35，其注入添加剂以将所述添加剂供应到所述排气净化催化剂; 以及由喷射器喷射的添加剂通过的添加剂通过部分。添加剂通过部包括从至少与喷射器的喷射孔47相对的位置朝向排气净化催化剂旋转的螺旋槽51; 并且由喷射器喷射的添加剂沿螺旋槽旋转。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2013002367A Exhaust gas purification device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2013002367A
公开(公告)日：2013-01-07
申请号：JP2011134618
申请日：2011-06-16
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： MORIMOTO KENJI , TSUNEKAWA KIYOKA , OKADA KOJIRO
IPC分类号： F01N3/36
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device suppressing production of deposit and preventing an injection hole or an injection space of an injector from being clogged.SOLUTION: The exhaust emission control device includes: an exhaust passage 34 connected to an exhaust port of an engine; an exhaust purification catalyst disposed in the exhaust passage; an additive injection passage 36 that opens upstream of the exhaust purification catalyst in the exhaust passage; and an injector 35 disposed via the additive injection passage 36, for injecting an additive to exhaust gas. The exhaust passage is provided with: a partition member 51, which is disposed facing the injector and spaced from the additive injection passage and has a passing port 52 where the additive injected by the injector passes through; and a shutter member 54, which is disposed between the partition member and the additive injection passage and completely isolates the additive injection passage from the exhaust passage.
摘要翻译：解决的问题：提供抑制沉积物的产生和防止喷射器的喷射孔或喷射空间被堵塞的废气排放控制装置。解决方案：排气排放控制装置包括：连接到发动机的排气口的排气通道34; 排气净化催化剂，其设置在排气通路中; 在排气通道中的排气净化催化剂的上游开口的添加剂注入通路36; 以及经由添加剂注入通道36设置的用于向废气中注入添加剂的注射器35。排气通道设置有：分隔构件51，其面向喷射器设置并与添加剂喷射通道间隔开，并具有通过口52，喷射器喷射的添加剂通过; 以及设置在分隔构件和添加剂注入通道之间并将添加剂注入通道与排气通道完全隔离的活门构件54。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012087680A Exhaust emission control device 审中-公开
标题翻译：排气排放控制装置
公开(公告)号：JP2012087680A
公开(公告)日：2012-05-10
申请号：JP2010235211
申请日：2010-10-20
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： TSUNEKAWA KIYOKA , OKADA KOJIRO , KAWASHIMA KAZUHITO , MORIMOTO KENJI
IPC分类号： F01N3/02 , B01D53/94 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of preventing particulate matter from remaining unburnt after regeneration treatment, by suppressing heat loss to the outside and making exhaust resistance radially uniform.SOLUTION: The exhaust emission control device is provided in an exhaust pipe 11 for exhaust gas 51 from an internal combustion engine to circulate therethrough, and includes an oxidation catalyst 13, and a particulate filter 15 that is arranged on a downstream side in an exhaust gas circulation direction of the oxidation catalyst 13, has a larger diameter than that of the oxidation catalyst 13 and collects particulate matter in the exhaust gas, wherein a masking member 16 that is provided at least on an end face portion 15b on the exhaust gas flow-in side of the particulate filter 15, has a hole portion 16b having a same shape as that of a radial cross-section of the oxidation catalyst 13 and allowing the exhaust gas to circulate therethrough, and has a mask portion 16a for suppressing circulation of the exhaust gas, between the hole portion 16b and a periphery of the particulate filter 15, is formed.
摘要翻译：解决问题的方案：提供一种能够防止再生处理后的颗粒物质保持未燃烧的废气排放控制装置，通过抑制向外部的热损失并使排气阻力径向均匀。解决方案：废气排放控制装置设置在来自内燃机的排气管51的排气管11中，在其内循环，并且包括氧化催化剂13和布置在下游侧的颗粒过滤器15 氧化催化剂13的废气循环方向的直径大于氧化催化剂13的直径，并且收集排气中的颗粒物质，其中至少设置在排气的端面部15b上的遮蔽部件16 微粒过滤器15的气体流入侧具有与氧化催化剂13的径向截面形状相同形状的孔部16b，并使废气在其中循环，并具有用于抑制形成在孔部16b和微粒过滤器15的周围之间的排气的循环。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2003083049A Exhaust emission control device 审中-公开
标题翻译：排气排放控制装置
公开(公告)号：JP2003083049A
公开(公告)日：2003-03-19
申请号：JP2001270316
申请日：2001-09-06
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： TANADA HIROSHI , TASHIRO KEISUKE , SETO HIROKUNI , ONODERA TAKAYUKI , MORIMOTO KENJI
IPC分类号： F01N3/24 , B01D53/94 , F01N3/10 , F01N3/28 , F02D41/04
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To improve HC purifying performance of an exhaust emission control device.
SOLUTION: The exhaust emission control device comprises a front-stage catalyst 13 having an HC adsorbent layer and a Pt-Rh catalyst precious metal layer supported by a carrier, a rear-stage catalyst 14 having the HC adsorbent layer and the Pd-Rh catalyst precious metal layer supported by a carrier, and an electronic control unit 5. Exhaust temperature rise with ignition retardation is performed under the control of the electronic control unit at starting an engine 1 and air/fuel ratio control is performed on finishing the ignition retardation for establishing a lean exhaust air/fuel ratio.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提高废气排放控制装置的HC净化性能。解决方案：废气排放控制装置包括具有HC吸附剂层和由载体负载的Pt-Rh催化剂贵金属层的前段催化剂13，具有HC吸附剂层和Pd-Rh催化剂的后段催化剂14 由载体支撑的贵金属层和电子控制单元5.在启动发动机1的同时，在电子控制单元的控制下执行具有点火延迟的排气温度升高，并且对完成点火延迟进行空燃比控制建立贫气排气/燃料比。

9. 发明专利

JP2014005763A Intake system structure of internal combustion engine 有权
标题翻译：内燃机系统结构研究
公开(公告)号：JP2014005763A
公开(公告)日：2014-01-16
申请号：JP2012140869
申请日：2012-06-22
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： ISOBE YUSUKE , OKADA KOJIRO , TSUNEKAWA KIYOKA , KIMURA HIROYUKI , MATSUDA SEIJI , MORIMOTO KENJI
IPC分类号： F02M35/104 , F02D35/00 , F02M25/07 , F02M35/10
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To provide an intake system structure of an internal combustion engine capable of avoiding collision of a foreign matter to a sensor while suppressing increase of a cost.SOLUTION: An upstream side boss (12a) and a downstream side boss (12b) for fixing an EGR valve (18) to an intake manifold (12) are formed on an upstream of an intake flow of a sensor part (13a) of an air-fuel ratio sensor (13) so as to be protruded in the intake manifold (12) and, further, cover the sensor part (13a) of the air-fuel ratio sensor (13) as a view of intake flow direction.
摘要翻译：要解决的问题：提供能够避免异物与传感器碰撞同时抑制成本增加的内燃机的进气系统结构。解决方案：上游侧凸台（12a）和下游侧凸台（12b）），用于将EGR阀（18）固定到进气歧管（12）上，形成在空燃比传感器（13）的传感器部分（13a）的进气流的上游，以便在进气口中突出歧管（12），并且还进一步覆盖空燃比传感器（13）的传感器部分（13a），作为进气流动方向。

10. 发明专利

JP2013124552A Exhaust emission control device of internal combustion engine 有权
标题翻译：内燃机排气控制装置
公开(公告)号：JP2013124552A
公开(公告)日：2013-06-24
申请号：JP2011272218
申请日：2011-12-13
申请人： Mitsubishi Motors Corp , 三菱自動車工業株式会社
发明人： TSUNEKAWA KIYOKA , OKADA KOJIRO , KIMURA HIROYUKI , MATSUDA SEIJI , MORIMOTO KENJI , ISOBE YUSUKE
IPC分类号： F01N3/08 , B01D53/86 , B01D53/94 , F01N3/24
CPC分类号： Y02T10/24
摘要： PROBLEM TO BE SOLVED: To prevent outward discharge of ammonia produced by sublimation of a deposit, by enabling reliable removal of deposit produced and accumulated in an urea decomposition process.SOLUTION: An exhaust emission control device of an internal combustion engine, which has an NOx selective-reduction catalyst (36) provided in an exhaust passage (18), includes: an exhaust air reflux passage (44) which bypasses the NOx selective-reduction catalyst; a reflux control valve (48) which opens/closes the exhaust air reflux passage; an amount-of-accumulated-deposit estimation means (58) for estimating the amount of accumulated deposit formed along with decomposition of a reductant solution; and a deposit sublimation means (57) for sublimating the accumulated deposit by heating it. When the amount of accumulated deposit, which is estimated by the amount-of-accumulated-deposit estimation means, exceeds a threshold, the accumulated deposit is heated and sublimated by the deposit sublimation means, and a state of the reflux control valve is switched to a valve-opened state.
摘要翻译：要解决的问题：为了可靠地除去在尿素分解过程中产生和积累的沉积物，防止沉积物升华产生的氨的向外排出。解决方案：具有设置在排气通道（18）中的NOx选择还原催化剂（36）的内燃机的废气排放控制装置包括：旁路NOx的排气回流通道（44）选择还原催化剂; 回流控制阀（48），其对排气回流通路进行开/关; 用于估计与还原剂溶液分解形成的累积沉积量的累积沉积量估计装置（58）; 和用于通过加热来升华累积沉积物的沉积物升华装置（57）。当由累积沉积量估计装置估计的累积沉积量超过阈值时，通过沉积升华装置对累积的沉积物进行加热和升华，并且将回流控制阀的状态切换到阀打开状态。版权所有（C）2013，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式