公开(公告)号：US20190209977A1

公开(公告)日：2019-07-11

申请号：US16356541

申请日：2019-03-18

Applicant: Donaldson Company, Inc.

Inventor： Korneel De Rudder ,  Stéphane Le Merdy

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

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.

公开(公告)号：US10245564B2

公开(公告)日：2019-04-02

申请号：US15650502

申请日：2017-07-14

Applicant: Donaldson Company, Inc.

Inventor： Korneel De Rudder ,  Stéphane Le Merdy

IPC: F01N3/00 ,  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.

公开(公告)号：US20180001279A1

公开(公告)日：2018-01-04

申请号：US15650502

申请日：2017-07-14

Applicant: Donaldson Company, Inc.

Inventor： Korneel De Rudder ,  Stéphane Le Merdy

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

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.

公开(公告)号：US09810126B2

公开(公告)日：2017-11-07

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: F01N1/00 ,  F01N3/28 ,  B01F3/04 ,  B01F5/04 ,  B01F5/06 ,  F01N3/20

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.