Evaporator device for mobile anhydrous ammonia production, motor vehicle and method for producing such an evaporator device
    2.
    发明授权
    Evaporator device for mobile anhydrous ammonia production, motor vehicle and method for producing such an evaporator device 有权
    用于移动无水氨生产的蒸发装置,机动车辆及其制造方法

    公开(公告)号:US08107799B2

    公开(公告)日:2012-01-31

    申请号:US12618801

    申请日:2009-11-16

    IPC分类号: F22B29/06

    摘要: An evaporator device for ammonia to be used in mobile exhaust gas systems includes a basic body encompassing at least one inlet line and at least one outlet line. At least one heating element and at least one duct for connecting the inlet line to the outlet line are disposed within the basic body. The at least one heating element is in heat-conducting contact with an evaporation section of the at least one duct, while the at least one duct has a meandering course in the evaporation section. A motor vehicle and a method for producing an evaporator device, are also provided.

    摘要翻译: 用于可移动废气系统中的用于氨的蒸发器装置包括包含至少一个入口管线和至少一个出口管线的基本主体。 至少一个加热元件和用于将入口管线连接到出口管线的至少一个管道设置在基体内。 所述至少一个加热元件与所述至少一个管道的蒸发部分导热接触,而所述至少一个管道在所述蒸发部分中具有曲折的过程。 还提供了机动车辆和蒸发器装置的制造方法。

    Method and device for providing a gaseous substance mixture
    4.
    发明授权
    Method and device for providing a gaseous substance mixture 有权
    用于提供气态物质混合物的方法和装置

    公开(公告)号:US08155509B2

    公开(公告)日:2012-04-10

    申请号:US12272384

    申请日:2008-11-17

    IPC分类号: D06F75/00 B01D53/56 C01C3/00

    摘要: A device and method for providing a gaseous substance mixture which includes at least one reducing agent and/or at least one reducing agent precursor, includes a reservoir for an aqueous solution which includes at least one reducing agent precursor that can be flow connected to an evaporator chamber, and a device for dosing the aqueous solution in the evaporator chamber. A device can heat the evaporator chamber to a temperature higher than or equal to a critical temperature, in which the aqueous solution is at least partially evaporated. The device and method enable reducing agent to be provided for selective catalytic reduction of nitrogen oxides in the exhaust of an internal combustion engine. Preferably, an evaporator unit is configured as the evaporator chamber and a hydrolysis catalytic converter is disposed outside the exhaust system. As a result, the size of the hydrolysis catalytic converter is reduced, allowing compact construction.

    摘要翻译: 一种用于提供包含至少一种还原剂和/或至少一种还原剂前体的气态物质混合物的装置和方法,包括用于水溶液的储存器,其包括至少一种还原剂前体,所述还原剂前体可流动连接到蒸发器 室,以及用于对蒸发器室中的水溶液进行计量的装置。 一种装置可以将蒸发器室加热到高于或等于临界温度的温度,其中水溶液至少部分蒸发。 该装置和方法使还原剂能够用于选择性地催化还原内燃机排气中的氮氧化物。 优选地,蒸发器单元被配置为蒸发器室,并且水解催化转化器设置在排气系统的外部。 结果,水解催化转化器的尺寸减小,允许紧凑的结构。

    Method of removing particulates from exhaust gases, and corresponding fiber layer, particulate filter, exhaust system and vehicle
    5.
    发明授权
    Method of removing particulates from exhaust gases, and corresponding fiber layer, particulate filter, exhaust system and vehicle 有权
    从废气中除去微粒的方法,以及相应的纤维层,颗粒过滤器,排气系统和车辆

    公开(公告)号:US08012244B2

    公开(公告)日:2011-09-06

    申请号:US11825803

    申请日:2007-07-09

    IPC分类号: B01D46/00

    摘要: A method for removing particulates from a gas stream includes providing a gas-permeable filter layer having subregions with a parameter of differing magnitudes in the direction of the layer thickness. This parameter relates at least to the porosity, the fiber diameter of fibers or the fiber type content of the filter layer. The gas stream is divided into partial gas streams which are each passed through different subregions of the filter layer. Fiber layers, particulate filters, exhaust systems and vehicles based on this method are also provided.

    摘要翻译: 从气流中除去微粒的方法包括提供具有在层厚度方向上具有不同幅度参数的子区域的透气过滤层。 该参数至少涉及孔隙率,纤维的纤维直径或过滤层的纤维类型含量。 气流被分成部分气流,每个气流通过过滤层的不同子区域。 还提供了基于该方法的纤维层,微粒过滤器,排气系统和车辆。

    Method and device for providing a gaseous substance mixture
    6.
    发明授权
    Method and device for providing a gaseous substance mixture 有权
    用于提供气态物质混合物的方法和装置

    公开(公告)号:US07986870B2

    公开(公告)日:2011-07-26

    申请号:US12271943

    申请日:2008-11-17

    IPC分类号: F24C1/00 F24C11/00

    摘要: A device and a method for providing a gaseous substance mixture including at least one of a reducing agent and/or a reducing agent precursor, include a reservoir for an aqueous solution including at least one reducing agent precursor, from which the aqueous solution can be delivered into at least one metering line having a dispensing opening by a delivery device, and a device for heating the metering line above a critical temperature greater than the boiling temperature of water. Complete evaporation of an aqueous solution including urea and subsequent hydrolysis to form a substance mixture including ammonia, are carried out. The substance mixture is metered as a reducing agent into an SCR catalytic converter. Carrying out the evaporation outside the exhaust system uses considerably smaller hydrolysis catalytic converters, which is space-saving and cost-saving compared to conventional devices for providing a reducing agent for selective catalytic reduction of nitrogen oxides.

    摘要翻译: 一种用于提供包含还原剂和/或还原剂前体中的至少一种的气态物质混合物的装置和方法,包括用于包含至少一种还原剂前体的水溶液的储存器,可以从该还原剂前体输送水溶液 进入具有通过输送装置的分配开口的至少一个计量管线,以及用于将计量管线加热到高于水的沸点温度的临界温度以上的装置。 完成包括尿素在内的水溶液的蒸发,随后进行水解以形成包含氨的物质混合物。 将物质混合物作为还原剂计量加入到SCR催化转化器中。 在排气系统外部进行蒸发使用相当小的水解催化转化器,与用于提供用于氮氧化物的选择性催化还原的还原剂的常规装置相比,其节省空间并节省成本。

    Method and device for providing a gas flow containing a reducing agent
    7.
    发明授权
    Method and device for providing a gas flow containing a reducing agent 有权
    用于提供含有还原剂的气流的方法和装置

    公开(公告)号:US08615985B2

    公开(公告)日:2013-12-31

    申请号:US12416364

    申请日:2009-04-01

    IPC分类号: F01N3/00 F01N3/10 F01N3/04

    摘要: A method for providing a reducing agent-containing gas flow in the exhaust system of an internal combustion engine includes providing at least one reducing agent precursor, evaporating the precursor to provide a gas flow, at least partially heating the gas flow to temperatures of at least 250° C., at least partially converting the precursor in the gas flow to a reducing agent and adding the reducing agent-containing gas flow to the exhaust of the engine. The method and a device provide a reducing agent-containing gas flow in a quantity being easily controllable and adaptable to dynamic changes especially in exhaust systems of mobile applications such as automobiles. A temperature of a first zone is kept at 150° C. or just below while a temperature of a second zone is kept at more than 300° C. A hydrolysis catalytic converter is hardly cooled upon receiving the precursor as a vapor, positively affecting the method.

    摘要翻译: 一种用于在内燃机的排气系统中提供含还原剂的气流的方法,包括提供至少一种还原剂前体,蒸发前体以提供气流,至少部分地将气流加热到至少 250℃,至少部分地将气流中的前体转化为还原剂,并将含还原剂的气流加入到发动机的排气中。 该方法和装置提供了一种易于控制并适应动态变化的量的还原剂气体流,特别是在诸如汽车的移动应用的排气系统中。 第一区域的温度保持在150℃或刚好在第二区域的温度保持在大于300℃的温度。水解催化转化器在接收作为蒸汽的前体时几乎不被冷却,从而对 方法。

    Device and method for evaporating a reactant
    8.
    发明授权
    Device and method for evaporating a reactant 有权
    用于蒸发反应物的装置和方法

    公开(公告)号:US08357332B2

    公开(公告)日:2013-01-22

    申请号:US12417190

    申请日:2009-04-02

    IPC分类号: B01D50/00

    摘要: A device for evaporating at least one of the following reactants: a reducing agent precursor solution and a reducing agent precursor, includes at least one electrically heatable heating zone having at least one electrically operable heating element with a heating resistor that is self-regulated about a significant temperature. A method and the device for evaporating a reactant allow a simple control of an evaporation process, especially of a urea/water solution, to provide a reducing agent, especially in an SCR process. The heating resistors have a significant temperature that corresponds to a control temperature of the heating resistor. The need for additional control electronics can be removed by adjusting a correspondingly steep curve within a range.

    摘要翻译: 用于蒸发以下反应物中的至少一种的装置:还原剂前体溶液和还原剂前体,包括至少一个电可加热加热区,其具有至少一个电可操作的加热元件,该加热电阻器具有自调节 显着的温度。 用于蒸发反应物的方法和装置允许简单地控制蒸发过程,特别是尿素/水溶液,以提供还原剂,特别是在SCR方法中。 加热电阻器具有对应于加热电阻器的控制温度的显着温度。 可以通过在一个范围内调整相应的陡峭曲线来消除对附加控制电子设备的需求。

    EVAPORATOR DEVICE FOR MOBILE ANHYDROUS AMMONIA PRODUCTION, MOTOR VEHICLE AND METHOD FOR PRODUCING SUCH AN EVAPORATOR DEVICE
    9.
    发明申请
    EVAPORATOR DEVICE FOR MOBILE ANHYDROUS AMMONIA PRODUCTION, MOTOR VEHICLE AND METHOD FOR PRODUCING SUCH AN EVAPORATOR DEVICE 有权
    用于移动式无水氨生产的蒸发器装置,电动车辆和用于生产这种蒸发器装置的方法

    公开(公告)号:US20100092162A1

    公开(公告)日:2010-04-15

    申请号:US12618801

    申请日:2009-11-16

    IPC分类号: B01B1/00

    摘要: An evaporator device for ammonia to be used in mobile exhaust gas systems includes a basic body encompassing at least one inlet line and at least one outlet line. At least one heating element and at least one duct for connecting the inlet line to the outlet line are disposed within the basic body. The at least one heating element is in heat-conducting contact with an evaporation section of the at least one duct, while the at least one duct has a meandering course in the evaporation section. A motor vehicle and a method for producing an evaporator device, are also provided.

    摘要翻译: 用于可移动废气系统中的用于氨的蒸发器装置包括包含至少一个入口管线和至少一个出口管线的基本主体。 至少一个加热元件和用于将入口管线连接到出口管线的至少一个管道设置在基体内。 所述至少一个加热元件与所述至少一个管道的蒸发部分导热接触,而所述至少一个管道在所述蒸发部分中具有曲折的过程。 还提供了机动车辆和蒸发器装置的制造方法。