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    • 72. 发明申请
    • EXHAUST GAS TREATMENT DEVICE, METHOD FOR PROCESSING EXHAUST GAS, AND MOTOR VEHICLE
    • 废气处理装置,一种用于处理排气和机动车
    • WO2013026533A3
    • 2013-04-11
    • PCT/EP2012003387
    • 2012-08-08
    • VOLKSWAGEN AGSPRUTE JOERG
    • SPRUTE JOERG
    • F01N13/02F01N3/20
    • F01N3/10F01N3/035F01N3/106F01N3/2066F01N13/009F01N13/0097F01N2340/02F01N2610/02F01N2610/11F01N2610/1453F02M26/06F02M26/15F02M26/30Y02A50/2325Y02T10/24
    • The invention relates to an exhaust gas treatment device for processing exhaust gas from a combustion unit, in particular a diesel engine. Furthermore, the invention relates to a method for processing exhaust gas from a combustion unit by selective catalytic reaction, and to a motor vehicle, in which the method according to the invention is implemented or which includes the exhaust gas treatment device according to the invention. According to the invention, the exhaust gas treatment device comprises an exhaust gas system and an oxidation catalyst, a reduction catalyst for selective catalytic reduction and a particle filter arranged therein, wherein the oxidation catalyst is arranged upstream of the reduction catalyst and the reduction catalyst is arranged upstream of the particle filter. The reduction catalyst (50) is arranged in the exhaust gas system (20) so far upstream in the exhaust gas flow direction (23) that the heat of the exhaust gas passing through the reduction catalyst (50) is sufficient to bring the reduction catalyst (50) to operating temperature.
    • 本发明涉及一种用于从燃烧单元处理废气,特别是柴油发动机的排气处理装置。 此外,本发明涉及一种用于通过选择性催化反应从燃烧单元处理废气的方法,以及在其中本发明的方法被实现或根据本发明其具有废气处理装置的机动车辆。 可以设想,所述废气处理装置包括:排气管线,并且设置在其中,氧化催化剂,用于选择性催化还原和颗粒过滤器的还原催化剂,该氧化催化转换器中的还原催化剂和还原催化剂的上游设置在所述颗粒过滤器的上游。 在排气流动方向(23)的排气管线(20)中的还原催化剂(50)到目前为止上游使得经过还原催化剂的热(50)的废气是足以使操作温度的还原催化剂(50)。
    • 73. 发明申请
    • EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
    • 用于内燃机的排气控制装置
    • WO2013045990A1
    • 2013-04-04
    • PCT/IB2012/001804
    • 2012-09-17
    • TOYOTA JIDOSHA KABUSHIKI KAISHANOBUKAWA, Takeshi
    • NOBUKAWA, Takeshi
    • F01N9/00F01N13/02F01N3/22F01N3/32F01N3/10
    • F01N3/18F01N3/103F01N3/225F01N3/323F01N9/00F01N13/02F01N2900/1602Y02T10/20Y02T10/47
    • An exhaust gas control apparatus for an internal combustion engine includes a NOx purification catalyst disposed in an exhaust passage of the internal combustion engine and carrying a first catalyst metal on a first catalyst carrier, an oxidation catalyst disposed in the downstream exhaust passage of the NOx purification catalyst and carrying second catalyst metals including a base metal on a second catalyst carrier, an air introduction apparatus introducing air into an upstream of the oxidation catalyst, and a temperature detector detecting a temperature of the oxidation catalyst. When an oxidation catalyst temperature is a predetermined temperature or lower, an air- fuel ratio of the exhaust gas into the oxidation catalyst is controlled to a more fuel lean ratio than the stoichiometric air- fuel ratio. When the oxidation catalyst temperature exceeds the predetermined temperature, the air-fuel ratio of the exhaust gas into the oxidation catalyst is controlled to the stoichiometric air-fuel ratio.
    • 一种用于内燃机的排气控制装置,包括:NOx净化催化剂,其设置在内燃机的排气通路中,并在第一催化剂载体上载持第一催化剂金属;氧化催化剂,其配置在NOx净化的下游排气通路 催化剂并在第二催化剂载体上承载包含贱金属的第二催化剂金属,将空气引入氧化催化剂的上游的空气引入装置和检测氧化催化剂的温度的温度检测器。 当氧化催化剂温度为预定温度或更低时,将排放到氧化催化剂中的排气的空气 - 燃料比控制到比理论空燃比更高的燃料比。 当氧化催化剂温度超过预定温度时,将进入氧化催化剂的废气的空燃比控制为理论空燃比。
    • 75. 发明申请
    • REMOVABLE FILTER CARTRIDGE FOR EMISSION REDUCTION DEVICES
    • 用于排放减少装置的可拆卸过滤器盒
    • WO2011112789A1
    • 2011-09-15
    • PCT/US2011/027855
    • 2011-03-10
    • SABERTEC, L.L.C.O'BRIEN, William, J.
    • O'BRIEN, William, J.
    • F01N3/022F01N13/18F01N13/08F01N13/02
    • F01N13/082F01N3/0226F01N13/009F01N13/085F01N13/1805F01N13/1855F01N2330/02F01N2330/20F01N2450/30Y02T10/20
    • A preferred embodiment of the present invention comprises a removable filter cartridge (101) for emission reduction devices. In one embodiment, the filter cartridge (101) may be inserted into the body of an emission reduction device so that, when the emission reduction device is in operation, at least some of the exhaust gasses passing through the emission reduction device must also pass through at least a portion of the filter cartridge (101). The filter cartridge (101) may be removed at any time, such as for replacement or cleaning if the filter cartridge (101) becomes dirty or clogged through use. In one embodiment, the filter cartridge (101) includes two fibrous blankets (102,103) consisting of an outer fibrous blanket (102) that is formed into the shape of a cylinder and an inner fibrous blanket (103) that substantially fits within the cylinder of the outer fibrous blanket (102).
    • 本发明的优选实施例包括用于排放减少装置的可移除的滤筒(101)。 在一个实施例中,滤筒(101)可以插入排放减少装置的主体中,使得当排放减少装置运行时,通过排放减少装置的至少一些排气也必须通过 至少一部分过滤器滤芯(101)。 过滤器滤芯(101)可以在任何时间被移除,例如用于更换或清洁,如果过滤器滤芯(101)因使用而变脏或堵塞。 在一个实施例中,过滤器滤芯(101)包括两个纤维毯(102,103),其由形成为圆筒形状的外部纤维毯(102)和内部纤维毯(103)组成,该纤维毯基本上配合在 外纤维毯(102)。
    • 76. 发明申请
    • RESONANCE DEVICE, AND EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE
    • 共振装置以及用于内燃机的排气装置
    • WO2009031012A2
    • 2009-03-12
    • PCT/IB2008/002293
    • 2008-09-04
    • TOYOTA JIDOSHA KABUSHIKI KAISHAMATSUEDA, Koji
    • MATSUEDA, Koji
    • F01N1/02F01N1/08F01N13/02F01N13/08
    • F01N1/02F01N1/026F01N13/02F01N13/1805F01N2340/02
    • A resonance device (28) which is provided in an exhaust device (23) having a silencer (27) that silences sound of exhaust gas from an engine (21) and which silences a specific frequency sound includes: an exhaust pipe (34) which is provided downstream of the silencer (27) in an exhaust flow direction and whose first end portion (34a) is connected to the silencer (27); an inner pipe (35) connected to a second end portion (34b) of the exhaust pipe (34) and having at least one penetration hole (35a); and an outer pipe (36) that is attached to the inner pipe (35) so as to surround a periphery of the inner pipe (35) and that defines, together with an outer periphery of the inner pipe (35), space that forms a resonance chamber (37). An outer periphery of the second end portion (34b) of the exhaust pipe (34) is inserted into the inner pipe (35) so that a step (39) is formed at a connecting portion between the second end portion (34b) and the inner pipe (35).
    • 设置在具有消音器(27)的排气装置(23)中的共振装置(28),所述消音器(27)使来自发动机(21)的排气的声音消音并且使特定频率的声音静音包括 :在排气流动方向上设置在消音器(27)的下游并且其第一端部(34a)连接到消音器(27)的排气管(34); 与排气管34的第二端部34b连接且具有至少一个贯通孔35a的内管35; 以及外管(36),其以包围所述内管(35)的周围的方式安装在所述内管(35)上,与所述内管(35)的外周一起形成形成在所述内管 一个谐振腔(37)。 排气管34的第二端部34b的外周插入到内管35中,从而在第二端部34b和第二端部34b之间的连接部分处形成台阶39。 内管(35)。