Method and device pertaining to cooling of dosing units of SCR systems
    1.
    发明授权
    Method and device pertaining to cooling of dosing units of SCR systems 有权
    关于冷却SCR系统计量单元的方法和装置

    公开(公告)号:US09212581B2

    公开(公告)日:2015-12-15

    申请号:US13704724

    申请日:2011-06-17

    Abstract: A method pertaining to an SCR system which includes a dosing unit (250) to supply reducing agent to an exhaust duct (240) for exhaust cleaning, and a container for reducing agent: the steps of determining (s320) a cooling requirement of the dosing unit (250) and choosing (s340) a limit level for reducing agent in the container (205) on the basis of the cooling requirement. A computer program product containing program code (P) implements a method according to the invention. A device of an SCR system includes a dosing unit (250) to supply reducing agent to an exhaust duct (240) for exhaust cleaning. A motor vehicle (100) is equipped with the device.

    Abstract translation: 一种与SCR系统相关的方法,其包括向排气管道(240)供应还原剂用于排气清洁的计量单元(250)和用于还原剂的容器:以下步骤:确定(s320)给料剂的冷却需求 单元(250),并根据冷却要求选择容器(205)中的还原剂的极限水平(s340)。 包含程序代码(P)的计算机程序产品实现了根据本发明的方法。 SCR系统的装置包括用于向排气管道(240)供应还原剂用于排气清洁的计量单元(250)。 机动车辆(100)配备有该装置。

    METHOD AND DEVICE PERTAINING TO COOLING OF DOSING UNITS OF SCR SYSTEMS
    2.
    发明申请
    METHOD AND DEVICE PERTAINING TO COOLING OF DOSING UNITS OF SCR SYSTEMS 有权
    观察SCR系统下料单元的冷却方法和装置

    公开(公告)号:US20130133310A1

    公开(公告)日:2013-05-30

    申请号:US13704724

    申请日:2011-06-17

    Abstract: A method pertaining to an SCR system which includes a dosing unit (250) to supply reducing agent to an exhaust duct (240) for exhaust cleaning, and a container for reducing agent: the steps of determining (s320) a cooling requirement of the dosing unit (250) and choosing (s340) a limit level for reducing agent in the container (205) on the basis of the cooling requirement. A computer programme product containing programme code (P) implements a method according to the invention. A device of an SCR system includes a dosing unit (250) to supply reducing agent to an exhaust duct (240) for exhaust cleaning. A motor vehicle (100) is equipped with the device.

    Abstract translation: 一种与SCR系统相关的方法,其包括向排气管道(240)供应还原剂用于排气清洁的计量单元(250)和用于还原剂的容器:以下步骤:确定(s320)给料剂的冷却需求 单元(250),并根据冷却要求选择容器(205)中的还原剂的极限水平(s340)。 包含程序代码(P)的计算机程序产品实现了根据本发明的方法。 SCR系统的装置包括用于向排气管道(240)供应还原剂用于排气清洁的计量单元(250)。 机动车辆(100)配备有该装置。

    METHOD PERTAINING TO AIR REMOVAL FROM A HC DOSING SYSTEM AND A HC DOSING SYSTEM
    3.
    发明申请
    METHOD PERTAINING TO AIR REMOVAL FROM A HC DOSING SYSTEM AND A HC DOSING SYSTEM 审中-公开
    从HC排气系统和HC排气系统中消除空气的方法

    公开(公告)号:US20130125532A1

    公开(公告)日:2013-05-23

    申请号:US13805106

    申请日:2011-06-20

    Abstract: A method pertaining to an HC dosing system in which fuel in liquid form is supplied to a feed device (230) via which fuel is supplied from a container (205) to at least one consumption point (250) continuously detecting the feed pressure (P) which the feed device (230) furnishes. Also, the step of controlling the operation of the feed device (230) on the basis of changes (P′) in the feed pressure (P), to reduce the impact of unwanted air supply at the feed device (230). Also a computer programme product containing programme code (P) for a computer (200; 210) for implementing the method. Also an HC dosing system and a motor vehicle (100) which is equipped with the HC dosing system are disclosed.

    Abstract translation: 一种与HC配量系统相关的方法,其中液体形式的燃料被供应到供给装置(230),燃料从容器(205)供应至至少一个消耗点(250),连续检测进料压力(P ),其中馈送装置(230)提供。 此外,基于进给压力(P)中的变化(P')控制进给装置(230)的操作的步骤,以减少在进给装置(230)处的不希望的空气供应的冲击。 还包括用于实现该方法的用于计算机(200; 210)的程序代码(P)的计算机程序产品。 还公开了配备有HC给料系统的HC给料系统和机动车辆(100)。

    METHOD AND DEVICE PERTAINING TO COOLING OF DOSING UNITS OF SCR SYSTEMS
    6.
    发明申请
    METHOD AND DEVICE PERTAINING TO COOLING OF DOSING UNITS OF SCR SYSTEMS 审中-公开
    观察SCR系统下料单元的冷却方法和装置

    公开(公告)号:US20130104527A1

    公开(公告)日:2013-05-02

    申请号:US13704665

    申请日:2011-06-20

    Abstract: A method for cooling a dosing unit (250) pertaining to an SCR system for exhaust cleaning: after cessation of exhaust flow, cooling a reducing agent dosing unit (250) by reducing agent supplied to the unit. Intermittently running a feed device (230) to supply reducing agent, and running the feed device (230) at reduced power compared with its ordinary operation. Also a computer programme product containing programme code (P) for a computer (200; 210) for implementing the method. Also an SCR system and a motor vehicle (100; 110) which is equipped with the SCR system are disclosed

    Abstract translation: 一种用于冷却与用于排气清洁的SCR系统相关的计量单元(250)的方法:在停止排气流之后,通过供给单元的还原剂冷却还原剂计量单元(250)。 间歇地运行进给装置(230)以供应还原剂,并且与其常规操作相比以较低的功率运行进给装置(230)。 还包括用于实现该方法的用于计算机(200; 210)的程序代码(P)的计算机程序产品。 还公开了一种装有SCR系统的SCR系统和机动车辆(100; 110)

    METHOD PERTAINING TO HC DOSING SYSTEMS AND DEVICE OF HC DOSING SYSTEMS
    8.
    发明申请
    METHOD PERTAINING TO HC DOSING SYSTEMS AND DEVICE OF HC DOSING SYSTEMS 审中-公开
    HC饮食系统和HC饮食系统装置的方法

    公开(公告)号:US20130111885A1

    公开(公告)日:2013-05-09

    申请号:US13805127

    申请日:2011-06-20

    Abstract: A method pertaining to an HC dosing system for cleaning exhaust gases from an engine (150). A dosing unit supplies fuel to an exhaust duct (240): Determining (s340) whether there is an undesired temperature level of the dosing unit. If that is found, removing (s360) warmed fuel from the dosing unit (250) by supplying it to the vehicle's exhaust duct (240), entailing calculating (s350) and removing an amount of fuel based on a prevailing temperature of the dosing unit (250), or removing (s360) a predetermined amount in the form of substantially all of the warmed fuel of the dosing unit and transmitting it to the exhaust duct. Also computer programme product containing programme code (P) for a computer (200; 210) for implementing the method. Also to a device and a motor vehicle (100) which is equipped with the device are disclosed.

    Abstract translation: 一种关于用于清洁来自发动机(150)的废气的HC给料系统的方法。 计量单元向排气管道(240)供应燃料:确定(s340)计量单元是否存在不期望的温度水平。 如果发现这种情况,则通过将计量单元(250)中的燃料提供给车辆的排气管道(240)来移除(s360)加热的燃料,导致计算(s350)并基于配量单元的主要温度去除一定量的燃料 (250),或以基本上所有的加药单元的加热燃料的形式去除(s360)预定量并将其传送到排气管道。 还包括用于实现该方法的计算机(200; 210)的程序代码(P)的计算机程序产品。 还公开了装备有该装置的装置和机动车辆(100)。

    METHOD AND DEVICE PERTAINING TO DOSING UNIT OF SCR SYSTEM
    9.
    发明申请
    METHOD AND DEVICE PERTAINING TO DOSING UNIT OF SCR SYSTEM 有权
    对SCR系统的调度单元的方法和装置

    公开(公告)号:US20130111883A1

    公开(公告)日:2013-05-09

    申请号:US13805024

    申请日:2011-06-20

    Abstract: A method pertaining to an SCR system for cleaning of exhaust gases from an engine including a dosing unit (250) to supply a reducing agent to an exhaust duct (240): Determining (s340) whether there is an undesired temperature level of the dosing unit (250). If one is found, removing (s360) warmed reducing agent from the dosing unit (250) and supplying it to the exhaust duct (240). Calculating (s350) and removing an amount of reducing agent based on a prevailing temperature of the dosing unit (250), or removing warmed reducing agent. Also a computer programme product containing programme code (P) for a computer (200; 210) for implementing the method. Also a device of an SCR system and a motor vehicle (100) which is equipped with the device are disclosed.

    Abstract translation: 一种与用于清洁来自发动机的排气的SCR系统相关的方法,所述发动机包括用于向排气管道(240)供应还原剂的计量单元(250):确定(s340)配量单元是否存在不期望的温度水平 (250)。 如果找到,则从定量给料单元(250)中取出(s360)加热的还原剂并将其提供给排气管道(240)。 计算(s350)并基于给料单元(250)的主要温度除去一定量的还原剂,或除去加热的还原剂。 还包括用于实现该方法的用于计算机(200; 210)的程序代码(P)的计算机程序产品。 还公开了一种装备有该装置的SCR系统和机动车辆(100)的装置。

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