SYSTEM AND METHOD FOR MONITORING PARTICULATE FILTER CONDITION IN AN AFTERTREATMENT SYSTEM
    63.
    发明申请
    SYSTEM AND METHOD FOR MONITORING PARTICULATE FILTER CONDITION IN AN AFTERTREATMENT SYSTEM 审中-公开
    在后处理系统中监测颗粒过滤条件的系统和方法

    公开(公告)号:WO2016144492A1

    公开(公告)日:2016-09-15

    申请号:PCT/US2016/017999

    申请日:2016-02-16

    Abstract: A system and method for monitoring filtering condition in an aftertreatment system comprises measuring a first pressure upstream of a first particulate filter in the aftertreatment system. A second pressure downstream of the first particulate filter and upstream of a second particulate filter in the aftertreatment system is measured. A third pressure downstream of the second particulate filter is also measured. A difference in pressure between the second pressure and the third pressure is determined which corresponds to a filtering condition of the first particulate filter. The difference in pressure is compared with a predetermined threshold. If the difference in pressure exceeds the predetermined threshold the failure of the first particulate filter is identified.

    Abstract translation: 用于监测后处理系统中的过滤条件的系统和方法包括测量后处理系统中的第一颗粒过滤器的上游的第一压力。 测量第一颗粒过滤器下游的第二压力并且在后处理系统中的第二颗粒过滤器的上游。 还测量第二微粒过滤器下游的第三压力。 确定与第一颗粒过滤器的过滤条件对应的第二压力和第三压力之间的压力差。 将压力差与预定阈值进行比较。 如果压力差超过预定阈值,则识别第一微粒过滤器的故障。

    NITROGEN OXIDE SIGNAL MULTIPLEXING SYSTEM
    65.
    发明申请
    NITROGEN OXIDE SIGNAL MULTIPLEXING SYSTEM 审中-公开
    氮氧化物信号多路复用系统

    公开(公告)号:WO2016081377A1

    公开(公告)日:2016-05-26

    申请号:PCT/US2015/060913

    申请日:2015-11-16

    Inventor: GIBBY, Dale, G.

    Abstract: Nitrogen oxide multiplexing systems are provided. Various embodiments provide for systems comprising an aftertreatment component configured to treat exhaust exiting an engine, a sensor, a conduit, and a switching device. The sensor is configured to detect nitrogen oxide in the exhaust from both upstream of and downstream of an aftertreatment component. The conduit has a first end positioned upstream of the aftertreatment component and a second end communicable with the sensor positioned downstream of the aftertreatment component. The conduit receives a sample of the exhaust flowing from upstream of the aftertreatment component through the first end and delivers the sample of the exhaust to the sensor through the second end. The switching device is connected to the conduit and configurable to selectively prevent the flow of exhaust upstream of the aftertreatment component from reaching the sensor.

    Abstract translation: 提供了氮氧化物复用系统。 各种实施例提供了包括后处理部件的系统,该后处理部件被配置为处理从发动机,传感器,导管和开关装置排出的排气。 该传感器被配置为从后处理部件的上游和下游检测排气中的氮氧化物。 导管具有位于后处理部件的上游的第一端和与位于后处理部件下游的传感器相通的第二端。 管道接收从后处理部件的上游流过第一端的排气样品,并将排气样品通过第二端输送到传感器。 开关装置连接到管道并且可配置为选择性地防止后处理部件上游的排气流到达传感器。

    EXHAUST FLUID FILTER INCLUDING HYDROCARBON DETECTION WITNESS MEDIA
    66.
    发明申请
    EXHAUST FLUID FILTER INCLUDING HYDROCARBON DETECTION WITNESS MEDIA 审中-公开
    排气过滤器,包括油气检测维护介质

    公开(公告)号:WO2016076830A1

    公开(公告)日:2016-05-19

    申请号:PCT/US2014/064853

    申请日:2014-11-10

    Inventor: GUDORF, Kevin

    Abstract: An aftertreatment system includes an exhaust reductant tank configured to store an exhaust reductant. A filter is fluidically coupled to the exhaust reductant tank. The aftertreatment system includes a hydrocarbon detection device configured to indicate the presence of a hydrocarbon in the exhaust reductant. A catalyst is included in the system and configured to treat the exhaust reductant flowing through the system. The hydrocarbon detection device can include a hydrophobic paper, and can be disposed in the filter.

    Abstract translation: 后处理系统包括配置成存储排气还原剂的排气还原罐。 过滤器流体耦合到排气还原罐。 后处理系统包括构造成指示在排气还原剂中存在烃的烃检测装置。 催化剂包括在系统中并且被配置为处理流过系统的废气还原剂。 烃检测装置可以包括疏水性纸,并且可以设置在过滤器中。

    EXHAUST AFTER-TREATMENT WITH DUAL CLOSED-LOOP REDUCTANT DOSERS
    68.
    发明申请
    EXHAUST AFTER-TREATMENT WITH DUAL CLOSED-LOOP REDUCTANT DOSERS 审中-公开
    用双闭环减毒剂进行后处理

    公开(公告)号:WO2016010558A1

    公开(公告)日:2016-01-21

    申请号:PCT/US2014/047197

    申请日:2014-07-18

    Inventor: BAHRAMI, Behnam

    Abstract: Exhaust after-treatment systems and methods are disclosed. An example system includes a selective catalytic reduction on filter (SCRF) and a selective catalytic reduction (SCR) catalyst positioned downstream of the SCRF. The system also includes a first reductant doser positioned upstream of the SCRF and a second reductant doser positioned downstream of the SCRF and upstream of the SCR catalyst. The system further includes first and second nitrogen oxide (NO x ) sensors positioned upstream of the first reductant doser, a third NO x sensor positioned downstream of the SCRF and upstream of the second reductant doser, and a catalyst positioned upstream of the first reductant doser.

    Abstract translation: 排气后处理系统和方法被公开。 示例性系统包括位于SCRF下游的过滤器(SCRF)和选择性催化还原(SCR)催化剂的选择性催化还原。 该系统还包括位于SCRF上游的第一还原剂加料器和位于SCRF下游和SCR催化剂上游的第二还原剂加料器。 该系统还包括位于第一还原剂加料器上游的第一和第二氮氧化物(NOx)传感器,位于SCRF下游和第二还原剂加料器上游的第三NOx传感器,以及位于第一还原剂加料器上游的催化剂。

    INTEGRATED SENSOR WATER SHIELD
    69.
    发明申请
    INTEGRATED SENSOR WATER SHIELD 审中-公开
    集成传感器水屏蔽

    公开(公告)号:WO2015094812A1

    公开(公告)日:2015-06-25

    申请号:PCT/US2014/069292

    申请日:2014-12-09

    Abstract: A sensor probe for an exhaust system including a sensor body, a sensor cup, and a fluid shield. The sensor body defines a conduit and having a plurality of apertures formed through a sidewall of the sensor body. The sensor cup is coupled to an end of the conduit of the sensor body and is in fluid communication with the conduit. The sensor cup includes an outlet formed therein. The fluid shield may be integrally coupled to the sensor cup and positioned relative to the outlet formed in the sensor cup such that the fluid shield deflects fluid away from the outlet.

    Abstract translation: 一种用于排气系统的传感器探头,包括传感器主体,传感器杯和流体屏蔽。 传感器主体限定导管并且具有通过传感器主体的侧壁形成的多个孔。 传感器杯联接到传感器主体的导管的端部并且与导管流体连通。 传感器杯包括形成在其中的出口。 流体屏蔽件可以整体地联接到传感器杯并且相对于形成在传感器杯中的出口定位,使得流体屏蔽件使流体远离出口偏转。

    SYSTEM, APPARATUS, AND METHODS FOR PERFORMING A QUALITY DIAGNOSTIC OF AN AQUEOUS UREA SOLUTION
    70.
    发明申请
    SYSTEM, APPARATUS, AND METHODS FOR PERFORMING A QUALITY DIAGNOSTIC OF AN AQUEOUS UREA SOLUTION 审中-公开
    用于执行水质尿素溶液质量诊断的系统,设备和方法

    公开(公告)号:WO2015050653A1

    公开(公告)日:2015-04-09

    申请号:PCT/US2014/053430

    申请日:2014-08-29

    Inventor: ANDREWS, Eric B.

    Abstract: System, apparatus, and methods are disclosed for enabling a quality diagnostic of an aqueous urea solution (AUS) of an exhaust system when the AUS is outgassed. Systems, apparatus, and methods are also disclosed for disabling an output of a quality condition of the AUS in response at least in part to detecting that an AUS fill event of an AUS storage tank has occurred.

    Abstract translation: 公开了系统,装置和方法,以便当AUS脱气时能够对排气系统的尿素水溶液(AUS)进行质量诊断。 还公开了至少部分地检测到AUS储罐的AUS填充事件已经发生的系统,装置和方法,用于禁止AUS的质量状况的输出。

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