Heating module for an exhaust-gas purification system
    1.
    发明申请
    Heating module for an exhaust-gas purification system 有权
    用于废气净化系统的加热模块

    公开(公告)号:US20140013729A1

    公开(公告)日:2014-01-16

    申请号:US14005624

    申请日:2012-03-26

    IPC分类号: F01N3/08

    摘要: A heating module (1) for an exhaust-gas purification system connected to the outlet of an internal combustion engine comprises a catalytic burner, with an HC injector (14) and with an oxidation catalytic converter (12) positioned downstream of the HC injector (14) in the flow direction of the exhaust gas, for supplying thermal energy to an exhaust-gas purification unit of the exhaust-gas purification system. It is provided here that the heating module (1) has a main section (2), a secondary section (3) which comprises the catalytic burner (12, 14), and a device (4, 5) for controlling the exhaust-gas mass flow flowing through the secondary section (3). In a first embodiment, the main section (2) has, in the inlet region of the heating module (1), an overflow pipe portion (6) which has overflow openings (7), between which overflow diverting chambers (8) is simulated, parallel to the main section (2) of the heating module (1), the secondary section portion (11) with the oxidation catalytic converter (12). In another embodiment, it is provided that the secondary section (3) has, at the inlet side and outlet side, in each case one diverting chamber (8) which extends in the radial direction from the main section (2), between which diverting chamber (8) is simulated, parallel to the main section (2) of the heating module (1), the secondary section portion (11) with the oxidation catalytic converter (12).

    摘要翻译: 用于连接到内燃机出口的废气净化系统的加热模块(1)包括催化燃烧器,其具有HC喷射器(14)和位于HC喷射器下游的氧化催化转化器(12) 14)在废气的流动方向上,用于向排气净化系统的排气净化单元供给热能。 这里提供加热模块(1)具有主部分(2),包括催化燃烧器(12,14)的次级部分(3)和用于控制废气的装置(4,5) 流过次级部分(3)的质量流量。 在第一实施例中,主部分(2)在加热模块(1)的入口区域中具有溢流管部分(6),该溢流管部分具有溢流开口(7),模拟溢流转向室 与所述加热模块(1)的主要部分(2)平行的所述次级部分(11)与所述氧化催化转化器(12)相连。 在另一个实施例中,第二部分(3)在入口侧和出口侧具有在主要部分(2)沿径向方向延伸的一个转向腔(8),其中转向腔 模拟平行于加热模块(1)的主要部分(2)的腔室(8),具有氧化催化转化器(12)的次级部分(11)。

    Heating module for an exhaust-gas purification system
    2.
    发明授权
    Heating module for an exhaust-gas purification system 有权
    用于废气净化系统的加热模块

    公开(公告)号:US09115622B2

    公开(公告)日:2015-08-25

    申请号:US14005624

    申请日:2012-03-26

    摘要: A heating module (1) for an exhaust-gas purification system connected to the outlet of an internal combustion engine comprises a catalytic burner, with an HC injector (14) and with an oxidation catalytic converter (12) positioned downstream of the HC injector (14) in the flow direction of the exhaust gas, for supplying thermal energy to an exhaust-gas purification unit of the exhaust-gas purification system. It is provided here that the heating module (1) has a main section (2), a secondary section (3) which comprises the catalytic burner (12, 14), and a device (4, 5) for controlling the exhaust-gas mass flow flowing through the secondary section (3). In a first embodiment, the main section (2) has, in the inlet region or the heating module (1), an overflow pipe portion (6) which has overflow openings (7), between which overflow diverting chambers (8) is situated, parallel to the main section (2) of the heating module (1), the secondary section portion (11) with the oxidation catalytic converter (12). In another embodiment, it is provided that the secondary section (3) has, at the inlet side and outlet side, in each case one diverting chamber (8) which extends in the radial direction from the main section (2), between which diverting chambers (8) is situated, parallel to the main section (2) of the heating module (1), the secondary section portion (11) with the oxidation catalytic converter (12).

    摘要翻译: 用于连接到内燃机出口的废气净化系统的加热模块(1)包括催化燃烧器,其具有HC喷射器(14)和位于HC喷射器下游的氧化催化转化器(12) 14)在废气的流动方向上,用于向排气净化系统的排气净化单元供给热能。 这里提供加热模块(1)具有主部分(2),包括催化燃烧器(12,14)的次级部分(3)和用于控制废气的装置(4,5) 流过次级部分(3)的质量流量。 在第一实施例中,主要部分(2)在入口区域或加热模块(1)中具有溢流管部分(6),溢流管部分(6)具有溢流开口(7),溢流分流室(8) 与所述加热模块(1)的主要部分(2)平行的所述次级部分(11)与所述氧化催化转化器(12)相连。 在另一个实施例中,第二部分(3)在入口侧和出口侧具有在主要部分(2)沿径向方向延伸的一个转向腔(8),其中转向腔 平行于加热模块(1)的主要部分(2)的腔室(8),具有氧化催化转化器(12)的次级部分(11)。

    Reducing agent dosing device
    5.
    发明授权
    Reducing agent dosing device 失效
    还原剂剂量装置

    公开(公告)号:US06845611B2

    公开(公告)日:2005-01-25

    申请号:US10307592

    申请日:2002-12-02

    摘要: A reducing agent dosing device for delivering a reducing agent into the exhaust gas system 8 of the internal combustion engine 2 of a motor vehicle, comprising a reducing agent tank 3 connected to the exhaust gas system 8 via a supply line 5, 7 with a dosing valve 6 for delivering a specific quantity of reducing agent. The dosing valve 6 is disposed at a distance from the exhaust gas system 8 in the supply line 5, 7 and the output of the dosing valve 6 terminates in a mixing chamber 7. Compressed air, provided by the charge air of a charging group 10 of the internal combustion engine 2, flows though the mixing chamber in the direction toward the exhaust gas system 8 to mix the reducing agent output with an air stream.

    摘要翻译: 一种用于将还原剂输送到机动车辆的内燃机2的排气系统8中的还原剂计量装置,包括经由供应管线5,7与排气系统8连接的还原剂罐3, 用于输送特定量的还原剂的阀6。 计量阀6设置在供应管线5,7中与废气系统8相距一定距离,计量阀6的输出终止于混合室7.由充电组10的增压空气提供的压缩空气 内燃机2沿着排气系统8的方向流过混合室,以将还原剂输出与空气流混合。

    Converter for a device for introducing ammonia into exhaust gas flow of internal combustion engine and method for filling converter
    7.
    发明授权
    Converter for a device for introducing ammonia into exhaust gas flow of internal combustion engine and method for filling converter 有权
    用于将氨引入内燃机废气流的装置的转换器和用于填充转换器的方法

    公开(公告)号:US06613292B1

    公开(公告)日:2003-09-02

    申请号:US09528425

    申请日:2000-03-17

    IPC分类号: B01D5356

    摘要: A converter for a device for supplying ammonia (NH3) into the exhaust gas flow of a combustion engine comprising a pressure-tight reaction vessel 2 for generating NH3 by heating a substance thermolytically separating NH3 under the effect of heat, and a heating unit 10 for heating the reaction vessel 2 to the operating temperature for generating the NH3, is defined thereby that the reaction vessel 2 usefully comprises in the region of its bottom an outlet 4 provided with connection means and an inlet 3, spaced apart from the outlet 4, also provided with connection means, with which connection means the interior of the reaction vessel 2 is connectable to a filling and withdrawal unit 13 for drawing off a carrier medium disposed in the reaction vessel 2, and for filling the reaction vessel 2 with new substance thermolytically separating NH3 transported by the carrier medium.

    摘要翻译: 一种用于向内燃机的废气流中供应氨(NH 3)的装置的转换器,包括用于通过在热效应下加热热分解NH 3的物质来产生NH 3的耐压反应容器2;以及用于 将反应容器2加热到用于产生NH 3的操作温度,由此确定反应容器2在其底部的区域中有效地包括设置有连接装置的出口4和与出口4间隔开的入口3 设置有连接装置,其连接意味着反应容器2的内部可连接到用于抽出设置在反应容器2中的载体介质的填充和取出单元13,并且用于将反应容器2用热分解 NH3由载体介质输送。

    Exhaust gas purification system for denoxing exhaust gases from combustion units
    8.
    发明授权
    Exhaust gas purification system for denoxing exhaust gases from combustion units 有权
    废气净化系统,用于对来自燃烧单元的废气进行脱氧

    公开(公告)号:US06301879B1

    公开(公告)日:2001-10-16

    申请号:US09486292

    申请日:2000-02-22

    IPC分类号: F01N300

    摘要: An exhaust gas purification system for denoxing exhaust gases has a converter containing a substance thermolytically separable into NH3, a feed line connecting the converter with an exhaust gas line for supplying NH3 into the exhaust gas flow therein, a dosing device in the feed line for dosing the NH3 to be introduced into the exhaust gas flow, a heatable cold-start store connected to the feed line between the converter and dosing device for providing the substance during starting of a combustion unit connected to the exhaust gas line, an air feeding device having two air conduits provided with valves wherein one conduit is connected to the feed line between the cold-start store and dosing device and the other conduit is connected to a mixing chamber located in the feed line after the dosing device, and a reservoir container for storing the substance connected to a filling pipe terminating in the converter.

    摘要翻译: 一种用于去除废气的废气净化系统具有一个转换器,该转换器含有可热分解成NH 3的物质,一个将转换器与排气管线连接的进料管线,用于将NH 3供给到其中的废气流中, 待引入废气流的NH 3,连接到转换器和计量装置之间的进料管线的可加热冷启动储存器,用于在连接到排气管线的燃烧单元启动期间提供物质;空气供给装置,其具有 两个空气管道设置有阀门,其中一个管道连接到冷启动储存器和计量装置之间的进料管线,另一个管道在定量装置之后连接到位于进料管线中的混合室,以及储存容器 该物质连接到终止于转化器中的填充管。

    Exhaust gas after treatment system, especially for a diesel engine
    9.
    发明申请
    Exhaust gas after treatment system, especially for a diesel engine 审中-公开
    废气处理系统后,特别适用于柴油机

    公开(公告)号:US20060153748A1

    公开(公告)日:2006-07-13

    申请号:US10532530

    申请日:2003-10-02

    IPC分类号: B01D53/34 B01D50/00

    摘要: Exhaust gas aftertreatment system, especially for a diesel engine. The invention proposes an exhaust gas aftertreatment system having an exhaust gas particulate filter (3), a nitrogen oxide reduction catalytic converter (7, 8) connected downstream of the exhaust gas particulate filter, and an apparatus (17) for adding reducing agent. As claimed in the invention, the exhaust gas particulate filter (3) is designed as a porous cylindrical filter body having a substantially radial exhaust gas inflow direction into the filter body, a filter inner region (26) for filtered exhaust gas, and an axial exhaust gas outflow direction out of the filter inner region (26), and reducing agent is added into the filter inner region (26) via the apparatus (17) for adding reducing agent. Use in motor vehicles, in particular in commercial vehicles.

    摘要翻译: 废气后处理系统,特别适用于柴油机。 本发明提出了一种废气后处理系统,其具有排气微粒过滤器(3),连接在排气微粒过滤器下游的氮氧化物还原催化转化器(7,8)和用于添加还原剂的装置(17)。 如本发明所要求的那样,排气微粒过滤器(3)被设计为多孔圆柱形过滤器体,其具有进入过滤体的基本上径向的废气流入方向,用于过滤废气的过滤器内部区域(26)和轴向 通过用于添加还原剂的装置(17)将废气流出方向从过滤器内部区域(26)排出,并且还原剂被添加到过滤器内部区域(26)中。 用于机动车辆,特别是商用车辆。