JP5602492B2 - 排気管 - Google Patents
排気管 Download PDFInfo
- Publication number
- JP5602492B2 JP5602492B2 JP2010113740A JP2010113740A JP5602492B2 JP 5602492 B2 JP5602492 B2 JP 5602492B2 JP 2010113740 A JP2010113740 A JP 2010113740A JP 2010113740 A JP2010113740 A JP 2010113740A JP 5602492 B2 JP5602492 B2 JP 5602492B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust pipe
- exhaust
- upstream
- purification catalyst
- plate portion
- 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.)
- Expired - Fee Related
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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
- F01N3/24—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
- F01N3/28—Construction of catalytic reactors
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
-
- 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
- F01N3/28—Construction of catalytic reactors
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
- F01N3/2867—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets being placed at the front or end face of catalyst body
-
- 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
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/18—Ammonia
-
- 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
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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]
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
12 胴部(拡径部)
15 堰板(堰部)
18 緩衝部材
20 マット部材(支持部材)
30 SCR触媒(排気浄化触媒)
Claims (4)
- 内燃機関から排出される排気中の窒素化合物を供給される還元剤によって還元浄化する排気浄化触媒が支持部材を介して内設される排気管において、
前記排気管は前記排気浄化触媒よりも上流側の内周面に、前記還元剤の前記支持部材への浸透を防止する堰部が設けられ、
前記排気管は上流側の内径よりも大径に形成された拡径部を有すると共に、前記排気浄化触媒は前記支持部材を介して前記拡径部に内設され、前記堰部は前記拡径部の上流端に隣接する前記内周面に設けられる
ことを特徴とする排気管。 - 内燃機関から排出される排気中の窒素化合物を供給される還元剤によって還元浄化する排気浄化触媒が支持部材を介して内設される円筒状の排気管において、
前記排気管は前記排気浄化触媒よりも上流側の内周面に、前記還元剤の前記支持部材への浸透を防止する堰部が設けられ、
前記堰部は、短手方向断面をL字状に形成されて縦板部と横板部とを含むと共に、前記縦板部及び前記横板部が長手方向に円弧状に形成され、前記縦板部を前記横板部に対して下流側に位置させると共に、前記横板部の下面を前記排気浄化触媒よりも上流側の前記排気管の下側内周面に接触させて固定されている
ことを特徴とする排気管。 - 前記排気管は円筒状であるとともに、前記堰部は前記内周面の下部に周方向に沿って円弧状に形成される
ことを特徴とする請求項1に記載の排気管。 - 前記堰部と前記排気浄化触媒との間には、緩衝部材が設けられる
ことを特徴とする請求項1〜3のいずれか1項に記載の排気管。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010113740A JP5602492B2 (ja) | 2010-05-17 | 2010-05-17 | 排気管 |
AU2011255962A AU2011255962B2 (en) | 2010-05-17 | 2011-05-16 | Exhaust pipe |
EP11783494.5A EP2573349B1 (en) | 2010-05-17 | 2011-05-16 | Exhaust pipe |
CN201180024515.XA CN102933809B (zh) | 2010-05-17 | 2011-05-16 | 排气管 |
US13/698,187 US9181839B2 (en) | 2010-05-17 | 2011-05-16 | Exhaust pipe |
PCT/JP2011/061195 WO2011145560A1 (ja) | 2010-05-17 | 2011-05-16 | 排気管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010113740A JP5602492B2 (ja) | 2010-05-17 | 2010-05-17 | 排気管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011241732A JP2011241732A (ja) | 2011-12-01 |
JP5602492B2 true JP5602492B2 (ja) | 2014-10-08 |
Family
ID=44991663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010113740A Expired - Fee Related JP5602492B2 (ja) | 2010-05-17 | 2010-05-17 | 排気管 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9181839B2 (ja) |
EP (1) | EP2573349B1 (ja) |
JP (1) | JP5602492B2 (ja) |
CN (1) | CN102933809B (ja) |
AU (1) | AU2011255962B2 (ja) |
WO (1) | WO2011145560A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013127208A (ja) * | 2011-12-16 | 2013-06-27 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2013167157A (ja) * | 2012-02-14 | 2013-08-29 | Hino Motors Ltd | 排気浄化装置 |
JP2014084850A (ja) | 2012-10-26 | 2014-05-12 | Isuzu Motors Ltd | ディーゼルエンジンの排ガス浄化装置 |
JP2018071399A (ja) * | 2016-10-27 | 2018-05-10 | いすゞ自動車株式会社 | 配管ユニット |
JP2020084930A (ja) * | 2018-11-29 | 2020-06-04 | いすゞ自動車株式会社 | 排気浄化装置および車両 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4335077A (en) * | 1972-03-21 | 1982-06-15 | Zeuna-Staerker Kg | Catalyzer for detoxifying exhaust gases from internal combustion engines |
JPS6198910A (ja) * | 1984-10-19 | 1986-05-17 | Matsushita Electric Ind Co Ltd | ハニカム構造体の収納装置 |
DE9202798U1 (de) * | 1991-05-15 | 1992-04-23 | Emitec Gesellschaft für Emissionstechnologie mbH, 5204 Lohmar | Aufheizung einer einen Katalysator aufweisenden Trägermatrix mit einstellbarem Durchflußquerschnitt |
US6245301B1 (en) | 1993-08-20 | 2001-06-12 | 3M Innovative Properties Company | Catalytic converter and diesel particulate filter |
WO2006007956A1 (de) * | 2004-07-16 | 2006-01-26 | Faurecia Abgastechnik Gmbh | Abgasreinigungsvorrichtung für kraftfahrzeuge |
EP1797291A1 (en) | 2004-08-31 | 2007-06-20 | Donaldson Company, Inc. | Exhaust treatment apparatus and method of making |
US7581620B2 (en) * | 2006-08-10 | 2009-09-01 | Woodrow Woods | Marine muffler with angularly disposed internal baffle |
EP2156026B1 (en) * | 2007-05-15 | 2016-10-12 | Donaldson Company, Inc. | Exhaust gas flow device |
JP4670835B2 (ja) * | 2007-05-21 | 2011-04-13 | トヨタ自動車株式会社 | 車載エンジンの排気管 |
JP4877123B2 (ja) * | 2007-07-23 | 2012-02-15 | マツダ株式会社 | エンジンの排気浄化装置 |
JP2009091984A (ja) * | 2007-10-09 | 2009-04-30 | Mitsubishi Fuso Truck & Bus Corp | 排気浄化装置 |
JP5166848B2 (ja) | 2007-12-17 | 2013-03-21 | 三菱ふそうトラック・バス株式会社 | 排気浄化装置 |
US8091354B2 (en) * | 2008-04-17 | 2012-01-10 | Cummins Filtration Ip, Inc. | Exhaust assembly with universal multi-position water trap |
JP5033176B2 (ja) | 2008-07-10 | 2012-09-26 | イビデン株式会社 | 保持シール材、排ガス浄化装置、及び、排ガス浄化装置の製造方法 |
-
2010
- 2010-05-17 JP JP2010113740A patent/JP5602492B2/ja not_active Expired - Fee Related
-
2011
- 2011-05-16 CN CN201180024515.XA patent/CN102933809B/zh not_active Expired - Fee Related
- 2011-05-16 US US13/698,187 patent/US9181839B2/en active Active
- 2011-05-16 WO PCT/JP2011/061195 patent/WO2011145560A1/ja active Application Filing
- 2011-05-16 EP EP11783494.5A patent/EP2573349B1/en not_active Not-in-force
- 2011-05-16 AU AU2011255962A patent/AU2011255962B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP2573349B1 (en) | 2017-09-20 |
JP2011241732A (ja) | 2011-12-01 |
EP2573349A4 (en) | 2016-01-06 |
WO2011145560A1 (ja) | 2011-11-24 |
US20130058838A1 (en) | 2013-03-07 |
EP2573349A1 (en) | 2013-03-27 |
AU2011255962B2 (en) | 2015-01-22 |
CN102933809A (zh) | 2013-02-13 |
AU2011255962A1 (en) | 2012-12-20 |
US9181839B2 (en) | 2015-11-10 |
CN102933809B (zh) | 2016-01-06 |
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