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    Dosing and mixing arrangement for use in exhaust aftertreatment
    1.
    发明授权
    Dosing and mixing arrangement for use in exhaust aftertreatment 有权

    公开(公告)号：US10603642B2

    公开(公告)日：2020-03-31

    申请号：US16356541

    申请日：2019-03-18

    Applicant: Donaldson Company, Inc.

    Inventor： Korneel De Rudder ,  Stéphane Le Merdy

    IPC: B01F3/04 ,  B01F5/00 ,  B01F5/04 ,  F01N3/20 ,  F01N3/28 ,  F01N3/08 ,  F01N3/035

    Abstract: A method for causing exhaust gas flow to flow at least 270 degrees in a first direction about a perforated tube using a baffle plate having a main body with a plurality of flow-through openings and a plurality of louvers positioned adjacent to the flow-through openings. The method includes deflecting a first portion of the exhaust gas flow with the main body of the baffle plate. The method also includes allowing a second portion of the exhaust gas flow to flow through the flow-through openings of the baffle plate. The method also deflects the second portion of the exhaust gas flow at a downstream side of the main body with the louvers hereby causing the second portion of the exhaust gas flow to flow in the first direction about the perforated tube.

    DOSING AND MIXING ARRANGEMENT FOR USE IN EXHAUST AFTERTREATMENT
    4.
    发明申请
    DOSING AND MIXING ARRANGEMENT FOR USE IN EXHAUST AFTERTREATMENT 审中-公开

    公开(公告)号：US20200324254A1

    公开(公告)日：2020-10-15

    申请号：US16825586

    申请日：2020-03-20

    Applicant: Donaldson Company, Inc.

    Inventor： Korneel De Rudder ,  Stéphane Le Merdy

    IPC: B01F3/04 ,  B01F5/00 ,  B01F5/04 ,  F01N3/20 ,  F01N3/28

    Abstract: A method for causing exhaust gas flow to flow at least 270 degrees in a first direction about a perforated tube using a baffle plate having a main body with a plurality of flow-through openings and a plurality of louvers positioned adjacent to the flow-through openings. The method includes deflecting a first portion of the exhaust gas flow with the main body of the baffle plate. The method also includes allowing a second portion of the exhaust gas flow to flow through the flow-through openings of the baffle plate. The method also deflects the second portion of the exhaust gas flow at a downstream side of the main body with the louvers hereby causing the second portion of the exhaust gas flow to flow in the first direction about the perforated tube.

    Dosing and mixing arrangement for use in exhaust aftertreatment
    7.
    发明授权
    Dosing and mixing arrangement for use in exhaust aftertreatment 有权

    公开(公告)号：US11110406B2

    公开(公告)日：2021-09-07

    申请号：US16825586

    申请日：2020-03-20

    Applicant: Donaldson Company, Inc.

    Inventor： Korneel De Rudder ,  Stéphane Le Merdy

    IPC: B01F3/04 ,  B01F5/00 ,  B01F5/04 ,  F01N3/20 ,  F01N3/28 ,  F01N3/08 ,  F01N3/035

    Abstract: A method for causing exhaust gas flow to flow at least 270 degrees in a first direction about a perforated tube using a baffle plate having a main body with a plurality of flow-through openings and a plurality of louvers positioned adjacent to the flow-through openings. The method includes deflecting a first portion of the exhaust gas flow with the main body of the baffle plate. The method also includes allowing a second portion of the exhaust gas flow to flow through the flow-through openings of the baffle plate. The method also deflects the second portion of the exhaust gas flow at a downstream side of the main body with the louvers hereby causing the second portion of the exhaust gas flow to flow in the first direction about the perforated tube.

    DOSING AND MIXING ARRANGEMENT FOR USE IN EXHAUST AFTERTREATMENT
    9.
    发明申请
    DOSING AND MIXING ARRANGEMENT FOR USE IN EXHAUST AFTERTREATMENT 有权
    排毒和混合安排用于排除后处理

    公开(公告)号：US20140230411A1

    公开(公告)日：2014-08-21

    申请号：US14180953

    申请日：2014-02-14

    Applicant: Donaldson Company, Inc.

    Inventor： Korneel De Rudder ,  Stéphane Le Merdy

    IPC: F01N3/18

    CPC classification number: B01F3/04049 ,  B01F5/0065 ,  B01F5/0451 ,  B01F2005/0091 ,  F01N3/035 ,  F01N3/0842 ,  F01N3/2066 ,  F01N3/2892 ,  F01N2240/20 ,  F01N2470/04 ,  F01N2470/18 ,  F01N2610/02 ,  Y02T10/24

    Abstract: A method for causing exhaust gas flow to flow at least 270 degrees in a first direction about a perforated tube using a baffle plate having a main body with a plurality of flow-through openings and a plurality of louvers positioned adjacent to the flow-through openings. The method includes deflecting a first portion of the exhaust gas flow with the main body of the baffle plate. The method also includes allowing a second portion of the exhaust gas flow to flow through the flow-through openings of the baffle plate. The method also deflects the second portion of the exhaust gas flow at a downstream side of the main body with the louvers hereby causing the second portion of the exhaust gas flow to flow in the first direction about the perforated tube.

    Abstract translation: 一种使排气流在多孔管周围的第一方向上至少270度流动的方法，该挡板具有带有多个流通孔的主体，多个百叶窗位于邻近流通开口 。 该方法包括使废气流的第一部分与挡板的主体偏转。 该方法还包括允许废气流的第二部分流过挡板的流通开口。 该方法还使主体的下游侧的排气流的第二部分偏转，由此引起排气流的第二部分围绕多孔管沿第一方向流动。

    FLOW DEVICE FOR EXHAUST TREATMENT SYSTEM
    10.
    发明申请
    FLOW DEVICE FOR EXHAUST TREATMENT SYSTEM 有权
    用于排气处理系统的流动装置

    公开(公告)号：US20140116037A1

    公开(公告)日：2014-05-01

    申请号：US14035234

    申请日：2013-09-24

    Applicant: Donaldson Company, Inc.

    Inventor： Jérôme Lebas ,  Stanislas Le Tallec ,  Antoine Provost ,  Stéphane Le Merdy ,  Phebe Helena Preethi ,  Paul Anthony Way

    IPC: F01N3/28

    CPC classification number: F01N3/2892 ,  B01F3/04049 ,  B01F5/0451 ,  B01F5/0682 ,  B01F5/0688 ,  F01N3/2066 ,  F01N2240/20 ,  Y02A50/2325

    Abstract: An exhaust treatment system includes an exhaust conduit for conveying exhaust gases from an engine of a vehicle. An aftertreatment device is disposed in the exhaust conduit. A flow device is disposed upstream of the aftertreatment device. The flow device includes a base having a first surface and an oppositely disposed second surface. The base defines a plurality of openings. A plurality of flow deflectors is engaged to the base at the plurality of openings. Each flow deflector includes a first deflector that extends outwardly from the first surface of the base and a second deflector that extends outwardly from the second surface of the base. The first and second deflectors define a passage. Flow of exhaust gases through the passage cause exhaust gases to swirl about a longitudinal axis of the exhaust conduit.

    Abstract translation: 排气处理系统包括用于输送来自车辆的发动机的废气的排气管道。 后排处理装置设置在排气管道中。 流动装置设置在后处理装置的上游。 流动装置包括具有第一表面和相对设置的第二表面的底座。 基部限定多个开口。 多个导流板在多个开口处接合到基座。 每个导流器包括从基座的第一表面向外延伸的第一偏转器和从基座的第二表面向外延伸的第二偏转器。 第一和第二偏转器限定通道。 通过通道的废气流使废气围绕排气导管的纵向轴线旋转。

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