JP2010520413A - 後処理噴射器の詰まり防止装置 - Google Patents
後処理噴射器の詰まり防止装置 Download PDFInfo
- Publication number
- JP2010520413A JP2010520413A JP2009552766A JP2009552766A JP2010520413A JP 2010520413 A JP2010520413 A JP 2010520413A JP 2009552766 A JP2009552766 A JP 2009552766A JP 2009552766 A JP2009552766 A JP 2009552766A JP 2010520413 A JP2010520413 A JP 2010520413A
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- JP
- Japan
- Prior art keywords
- injector
- nozzle
- exhaust pipe
- bore
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/30—Arrangements for supply of additional air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/06—Fuel-injection apparatus having means for preventing coking, e.g. of fuel injector discharge orifices or valve needles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
【選択図】図2
Description
Claims (12)
- 内燃エンジンの排気後処理噴射器用の詰まり防止装置であって、
排気管の開口及び噴射器間に配置されるプレート形状の部材であって、
該部材は、噴射器ノズル及び前記排気管の開口と整合されたボアを有し、該ボアを介して前記ノズルから前記排気管の開口に気流が流れるよう構成されており、
該部材は、空気供給源から空気を受け取る入口を有し、且つ、該入口から前記ボアが画定される表面に向かって開いた、空気が前記ノズルに向かって流れる少なくとも1つの出口に空気を案内するよう自身の内部に通路を有する部材
を備える、詰まり防止装置。 - 前記少なくとも1つの出口が、空気が前記噴射器ノズルに向かって流れるよう、ボアが画定される表面に噴射口として配向されている、請求項1に記載の装置。
- 前記少なくとも1つの出口が、前記ボアが画定される表面にスロットとして設けられている、請求項1に記載の装置。
- 前記ボアが、前記部材の排気管側に向かって拡張する円錐台形部分に開いたスロート部分によって画定され、該スロート部分に対して前記少なくとも1つの出口が開いている、請求項1に記載の装置。
- 前記ボアが更に、前記部材の噴射器側に向かって拡張する第2円錐台形部分によって画定されており、
該第2円錐台形部分と前記部材の排気管側に向かって拡張する前記円錐台形部分との連接部分によって、前記スロート部分が画定される、請求項4に記載の装置。 - 前記ボアが、前記部材の上面の座ぐり孔によって画定され、且つ、前記部材の排気管側に向かって拡張するスロート部分に接続されており、
該座ぐり孔が、前記噴射器ノズルを取り囲む環状空間を画定し、
該スロート部分に対して前記少なくとも1つの出口が開いている、請求項1に記載の装置。 - 前記部材の上面に更にボスを備え、該ボスには前記座ぐり孔が設けられている、請求項6に記載の装置。
- 前記部材の上面に更にボスを備え、
前記ボアが、自身の上面に設けられた座ぐり孔によって画定されており、且つ、該座ぐり孔からプレートの反対面に向かって拡張する円錐台形面に接続しており、
該座ぐり孔が、前記噴射器ノズルを取り囲む環状空間を画定し、
該環状空間へ気流が向かうよう前記少なくとも1つの出口が前記ボスの上面に設けられている、請求項1に記載の装置。 - 前記ボスの上面と前記噴射器との間に間隙を形成するよう、前記部材が前記噴射器に取り付けられており、
該間隙に前記出口から流入する気流が、前記環状空間に案内される、請求項8に記載の装置。 - 前記部材が、インサート部分及び該インサート部分の座部を含むベース部分を有して設けられており、
該インサート部分及びベース部分に整合された孔として前記ボアが設けられ、
該インサート部分及びベース部分に整合された道として前記通路が設けられる、請求項1に記載の装置。 - 詰まり防止装置を備えた排気管開口を有する内燃エンジンの排気後処理噴射器であって、
排気管の開口において該開口に向けて配向されたノズルを有する噴射器と、
該噴射器と前記排気管の開口の間に配置されたプレート部材とを備えており、
該プレート部材が、前記噴射器のノズルと整合され且つ自身の上部分が前記ノズルを取り囲む流れ空間を画定するボアを有し、該ボアを介して前記ノズルから前記排気管の開口に気流が流れるよう構成されており、
該プレート部材が、空気を空気供給源から受け取る入口を有し、且つ、該入口から少なくとも1つの出口開口へ空気を案内するよう自身の内部に通路を有しており、
該少なくとも1つの出口が、前記ノズルを取り囲む流れ空間に向かって空気を流すよう配向されている、排気後処理噴射器。 - 前記ボアが、前記部材の排気管側に向かって拡張する円錐台形部分に開いたスロート部分によって画定され、
該スロート部分に対して前記少なくとも1つの出口が開いている、請求項11に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US90579107P | 2007-03-08 | 2007-03-08 | |
US60/905,791 | 2007-03-08 | ||
PCT/US2008/003186 WO2008112211A1 (en) | 2007-03-08 | 2008-03-07 | Aftertreatment injector anti-fouling device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010520413A true JP2010520413A (ja) | 2010-06-10 |
JP5411710B2 JP5411710B2 (ja) | 2014-02-12 |
Family
ID=39759834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009552766A Active JP5411710B2 (ja) | 2007-03-08 | 2008-03-07 | 後処理噴射器の詰まり防止装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8453436B2 (ja) |
EP (1) | EP2121144B1 (ja) |
JP (1) | JP5411710B2 (ja) |
WO (1) | WO2008112211A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009085209A (ja) * | 2007-07-17 | 2009-04-23 | Cummins Filtration Ip Inc | 空気を注入噴射ノズルに提供する装置、システム及び方法 |
JP2011122534A (ja) * | 2009-12-11 | 2011-06-23 | Volvo Powertrain Ab | 後処理用燃料添加装置 |
JP2015151948A (ja) * | 2014-02-17 | 2015-08-24 | 三菱自動車工業株式会社 | 添加剤の供給構造 |
Families Citing this family (4)
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DE102009028030A1 (de) * | 2009-07-27 | 2011-02-03 | Robert Bosch Gmbh | Montageeinheit zur Befestigung eines Einspritzorgans an einem Abgasstrang und Abgasnachbehandlungsanordnung |
US8800275B2 (en) | 2012-02-27 | 2014-08-12 | Caterpillar Inc. | Mounting assembly for a reductant injector |
US9074511B2 (en) * | 2012-11-16 | 2015-07-07 | Continental Automotive Systems, Inc. | Reductant delivery unit for SCR systems having improved deposit resistance |
US8820059B1 (en) | 2013-02-22 | 2014-09-02 | Caterpillar Inc. | Mounting assembly for reductant injector with thermal isolation and sealing gasket |
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JPH09504591A (ja) * | 1994-08-23 | 1997-05-06 | キャタピラー インコーポレイテッド | 燃焼排気ガス清浄システムと方法 |
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- 2008-03-07 US US12/530,032 patent/US8453436B2/en active Active
- 2008-03-07 JP JP2009552766A patent/JP5411710B2/ja active Active
- 2008-03-07 WO PCT/US2008/003186 patent/WO2008112211A1/en active Application Filing
- 2008-03-07 EP EP08726682A patent/EP2121144B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0628218U (ja) * | 1992-09-09 | 1994-04-15 | いすゞ自動車株式会社 | 内燃機関の排気ガス浄化装置 |
JPH09504591A (ja) * | 1994-08-23 | 1997-05-06 | キャタピラー インコーポレイテッド | 燃焼排気ガス清浄システムと方法 |
JP2006118500A (ja) * | 2004-10-01 | 2006-05-11 | J Eberspecher Gmbh & Co Kg | 内燃エンジン用の排気システム並びに夫々の作動方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009085209A (ja) * | 2007-07-17 | 2009-04-23 | Cummins Filtration Ip Inc | 空気を注入噴射ノズルに提供する装置、システム及び方法 |
JP2011122534A (ja) * | 2009-12-11 | 2011-06-23 | Volvo Powertrain Ab | 後処理用燃料添加装置 |
JP2015151948A (ja) * | 2014-02-17 | 2015-08-24 | 三菱自動車工業株式会社 | 添加剤の供給構造 |
Also Published As
Publication number | Publication date |
---|---|
US20100146951A1 (en) | 2010-06-17 |
US8453436B2 (en) | 2013-06-04 |
WO2008112211A1 (en) | 2008-09-18 |
EP2121144A1 (en) | 2009-11-25 |
JP5411710B2 (ja) | 2014-02-12 |
EP2121144B1 (en) | 2012-11-21 |
EP2121144A4 (en) | 2011-02-09 |
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