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    EXHAUST AFTERTREATMENT SYSTEM WITH IN-ELBOW REDUCTANT INJECTION
    1.
    发明申请
    EXHAUST AFTERTREATMENT SYSTEM WITH IN-ELBOW REDUCTANT INJECTION 审中-公开
    具有减少注射的排气后处理系统

    公开(公告)号：US20150198073A1

    公开(公告)日：2015-07-16

    申请号：US14153596

    申请日：2014-01-13

    Applicant: Caterpillar, Inc.

    Inventor： Arvind Jujare ,  Jinhui Sun ,  Yong Yi ,  Jason Wesley Hudgens ,  David Gorisek

    IPC: F01N3/20 ,  F01N13/08 ,  F01N3/28

    CPC classification number: F01N13/08 ,  B01F3/04049 ,  B01F5/0268 ,  B01F5/0451 ,  B01F5/0653 ,  B01F2005/0091 ,  F01N3/2066 ,  F01N3/2892 ,  F01N2610/02 ,  Y02T10/24

    Abstract: An exhaust aftertreatment system, such as for a diesel engine, includes a reductant dosing system with an injector positioned in an elbow pipe of an exhaust conduit. A tubeless mixer is positioned in the exhaust conduit between the injector nozzle outlet and an SCR catalyst. The tubeless mixer includes a plurality of rings, all of which are distributed with increasing size as distance from the nozzle outlet increases. The tubeless mixer aides in more uniformly distributing reductant in the exhaust flow prior to arrival at the SCR catalyst.

    Abstract translation: 诸如用于柴油发动机的排气后处理系统包括具有定位在排气管道的弯管中的喷射器的还原剂计量系统。 无内胎混合器位于喷射器喷嘴出口和SCR催化剂之间的排气管道中。 无内胎混合器包括多个环，所有这些环随着距离喷嘴出口的距离增加而随着尺寸的增加而分布。 无内胎混合器在到达SCR催化剂之前在排气流中更均匀地分配还原剂。

    COOLANT SYSTEM FOR REDUCTANT TANK
    2.
    发明申请
    COOLANT SYSTEM FOR REDUCTANT TANK 审中-公开
    减速机冷却系统

    公开(公告)号：US20150275732A1

    公开(公告)日：2015-10-01

    申请号：US14228752

    申请日：2014-03-28

    Applicant: Caterpillar Inc.

    Inventor： Yong Yi ,  Jinhui Sun ,  Arvind Jujare

    IPC: F01N3/20

    CPC classification number: F01N3/2046 ,  F01N3/2066 ,  F01N2240/02 ,  F01N2240/06 ,  F01N2610/02 ,  F01N2610/105 ,  F01N2610/11 ,  F01N2610/1406 ,  F01N2610/1426 ,  F01N2610/1433 ,  F01N2610/1486 ,  F01N2900/1811 ,  F28D7/024 ,  Y02T10/24

    Abstract: A coolant system for a reductant tank is disclosed. The coolant system includes a valve configured to control a coolant flow to the reductant tank. The coolant system also includes a cyclonic filter element provided in fluid communication with the valve. The cyclonic filter is positioned upstream of the valve with respect to the coolant flow. The cyclonic filter is configured to separate particulate contaminants from the coolant flow to create a filtered coolant flow. The cyclonic filter is also configured to direct the separated particulate contaminants away from the valve. The cyclonic filter is further configured to provide the filtered coolant flow to the valve.

    Abstract translation: 公开了一种用于还原罐的冷却剂系统。 冷却剂系统包括构造成控制冷却剂流向还原罐的阀。 冷却剂系统还包括与阀流体连通地设置的旋风过滤元件。 旋风过滤器相对于冷却剂流定位在阀的上游。 气旋过滤器被配置为将颗粒污染物与冷却剂流分离以产生过滤的冷却剂流。 旋风过滤器还构造成将分离的颗粒污染物引导离开阀。 旋风过滤器还被配置成提供过滤的冷却剂流到阀。

    PREMIXER CONDUIT FOR EXHAUST AFTERTREATMENT SYSTEM
    3.
    发明申请
    PREMIXER CONDUIT FOR EXHAUST AFTERTREATMENT SYSTEM 审中-公开
    先进的后处理系统

    公开(公告)号：US20140366514A1

    公开(公告)日：2014-12-18

    申请号：US14474194

    申请日：2014-09-01

    Applicant: Caterpillar Inc.

    Inventor： Steven R. Lewis ,  Yong Yi ,  Arvind Jujare ,  Muheng Zhang

    IPC: F01N3/05 ,  F01N1/00

    CPC classification number: F01N3/2066 ,  F01N2240/20 ,  F01N2470/20 ,  F01N2610/02 ,  Y02T10/24

    Abstract: An exhaust aftertreatment system is disclosed. The exhaust aftertreatment system includes a premixer conduit that defines an exhaust flow path, a baffle disposed in the exhaust flow path, and a reductant injector in fluid communication with the exhaust flow path. The baffle is positioned in the premixer conduit, which includes a premixer inlet, a transition section, and a premixer outlet. The transition section is disposed between the premixer inlet and the premixer outlet. The premixer inlet is in fluid communication with the engine. The reductant injector is positioned downstream of the baffle and upstream of the premixer outlet.

    Abstract translation: 公开了排气后处理系统。 排气后处理系统包括限定排气流路的预混合器管道，设置在排气流路中的挡板和与排气流路流体连通的还原剂喷射器。 挡板位于预混合器导管中，其包括预混合器入口，过渡段和预混合器出口。 过渡部分设置在预混合器入口和预混合器出口之间。 预混合器入口与发动机流体连通。 还原剂喷射器位于挡板的下游和预混合器出口的上游。

    EXHAUST SYSTEM
    4.
    发明申请
    EXHAUST SYSTEM 审中-公开
    排气系统

    公开(公告)号：US20140286832A1

    公开(公告)日：2014-09-25

    申请号：US14298271

    申请日：2014-06-06

    Applicant: Caterpillar Inc.

    Inventor： Yong Yi ,  Jinhui Sun ,  Arvind Jujare

    IPC: B01D53/86

    CPC classification number: B01D53/86 ,  B01D53/90 ,  B01D53/9431 ,  B01F3/04049 ,  B01F5/0262 ,  B01F5/0473 ,  F01N3/2892 ,  F01N3/36 ,  F01N2240/20

    Abstract: An exhaust system is provided. The exhaust system includes an exhaust conduit having a protuberance thereon. A reductant injector is provided on the protuberance. The reductant injector is positioned such that an ejection tip of the reductant injector is inclined with respect to a centerline of the exhaust conduit. A baffle assembly is coupled to an inner wall of the exhaust conduit. The baffle assembly is positioned upstream of the ejection tip of the reductant injector. A first plate of the baffle assembly is positioned parallel to the centerline of the exhaust conduit. A second plate of the baffle assembly extends from the first plate. The second plate is positioned angularly with respect to the first plate. The baffle assembly is configured to deflect at least a portion of an exhaust gas flow over the ejection tip of the reductant injector.

    Abstract translation: 提供排气系统。 排气系统包括在其上具有突起的排气导管。 还原剂注射器设置在突起上。 还原剂喷射器被定位成使得还原剂喷射器的喷射头相对于排气导管的中心线倾斜。 挡板组件联接到排气管道的内壁。 挡板组件位于还原剂喷射器的喷射端的上游。 挡板组件的第一板平行于排气管道的中心线定位。 挡板组件的第二板从第一板延伸。 第二板相对于第一板角度定位。 挡板组件构造成使排气流的至少一部分偏转在还原剂喷射器的喷射端上。

    Inlet diffuser for exhaust aftertreatment system
    5.
    发明授权
    Inlet diffuser for exhaust aftertreatment system 有权

    公开(公告)号：US10227908B2

    公开(公告)日：2019-03-12

    申请号：US15366136

    申请日：2016-12-01

    Applicant: Caterpillar Inc.

    Inventor： Guru Gireesh ,  Arvind Jujare ,  Tim T. Trubnikov

    IPC: F01N3/00 ,  F01N3/28 ,  F01N3/035 ,  F01N3/20 ,  F01N3/08 ,  F01N3/10 ,  F01N3/021 ,  F02M26/15 ,  F02M26/19

    Abstract: An exhaust aftertreatment system includes a housing including first and second axial ends. An exhaust inlet is disposed adjacent the first axial end. An exhaust outlet is disposed adjacent the second axial end. A catalytic converter is disposed between the first and second axial ends. A diffuser is disposed inside the housing between the first axial end and the catalytic converter. The diffuser includes a shell in communication with the exhaust inlet. The shell includes proximal and distal portions and a front side facing the catalytic converter. The proximal and distal portions are substantially equal in frontal area. The proximal portion is adjacent the exhaust inlet and includes a first plurality of front side openings totaling a first open area and the distal portion includes a second plurality of front side openings totaling a second open area. The first open area is about 1.8-2.2 times the second.

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