JP5801066B2 - エンジンの排気浄化装置 - Google Patents
エンジンの排気浄化装置 Download PDFInfo
- Publication number
- JP5801066B2 JP5801066B2 JP2011049619A JP2011049619A JP5801066B2 JP 5801066 B2 JP5801066 B2 JP 5801066B2 JP 2011049619 A JP2011049619 A JP 2011049619A JP 2011049619 A JP2011049619 A JP 2011049619A JP 5801066 B2 JP5801066 B2 JP 5801066B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- engine
- catalyst
- cylinder
- upstream
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/05—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 air, e.g. by mixing exhaust with air
- F01N3/055—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 air, e.g. by mixing exhaust with air without contact between air and 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
- 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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
-
- 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
- F01N2240/36—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 an exhaust flap
-
- 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
- F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
- F01N2340/02—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the distance of the apparatus to the engine, or the distance between two exhaust treating apparatuses
-
- 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
- F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
- F01N2410/02—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of high temperature, e.g. overheating of catalytic reactor
-
- 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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/04—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
また、シリンダに近い位置に触媒を配置することにより、エンジンからの排気ガスを、副排気通路から高温の状態で触媒に導くことができる。
また、巻回された上流側排気通路と触媒が側面視で重なるので、排気系をコンパクトに形成できる。
17 シリンダ
23 排気管
33 上流側排気管(上流側排気通路)
36 触媒
40 排気バルブ
43 駆動アクチュエータ
45 バイパス管(副排気通路)
Claims (4)
- 排気管(23)と、該排気管(23)途中に設けられ、排気ガスを浄化する触媒(36)と、該触媒(36)とエンジン(3)との間の前記排気管(23)の上流側排気通路(33)に設けられ該上流側排気通路(33)を開閉する排気バルブ(40)と、該排気バルブ(40)をバイパスするように前記上流側排気通路(33)に接続される、該上流側排気通路(33)よりも通路断面積の小さい副排気通路(45)と、を備えるエンジンの排気浄化装置であって、
前記副排気通路(45)は、その入口が前記エンジン(3)の排気口(21A)近傍に接続されると共に、その出口が前記触媒(36)の近傍に接続され、前記上流側排気通路(33)に対し通路長さを短く形成され、
前記エンジン(3)は、そのシリンダ(17)を車両の前方に向けて配置され、前記触媒(36)が前記シリンダ(17)の下方に配置され、
前記上流側排気通路(33)は、前記排気口(21A)に接続される基端部(33A)から下方に延びた後、後方、上方及び前方の順に湾曲し、前記エンジン(3)の側面視で前記基端部(33A)と重なる位置に至り、さらに後方に湾曲して前記触媒(36)に接続されるように、前記シリンダ(17)の下方で巻回され、前記エンジン(3)の側面視で前記触媒(36)と重なることを特徴とするエンジンの排気浄化装置。 - 前記エンジン(3)の側面視で、前記シリンダ(17)の軸線と前記触媒(36)の中心軸線とが略平行であることを特徴とする請求項1に記載のエンジンの排気浄化装置。
- 前記エンジン(3)は、そのシリンダ(17)を車両の前方に向けて配置され、前記排気バルブ(40)を駆動するアクチュエータ(43)が、前記シリンダ(17)の上方に配置され、
前記排気バルブ(40)が、前記シリンダ(17)の下方に位置する前記上流側排気通路(33)に設けられることを特徴とする請求項1又は2に記載のエンジンの排気浄化装置。 - 前記副排気通路(45)は、前記上流側排気通路(33)よりも小径に形成されることを特徴とする請求項1〜3のいずれか1項に記載のエンジンの排気浄化装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011049619A JP5801066B2 (ja) | 2011-03-07 | 2011-03-07 | エンジンの排気浄化装置 |
IT000105A ITTO20120105A1 (it) | 2011-03-07 | 2012-02-08 | Sistema di controllo delle emissioni di scarico per un motore. |
US13/403,107 US8793985B2 (en) | 2011-03-07 | 2012-02-23 | Exhaust emission control system for engine |
DE102012203441.2A DE102012203441B4 (de) | 2011-03-07 | 2012-03-05 | Abgasemissionssteuer-/regelsystem für einen Motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011049619A JP5801066B2 (ja) | 2011-03-07 | 2011-03-07 | エンジンの排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012184736A JP2012184736A (ja) | 2012-09-27 |
JP5801066B2 true JP5801066B2 (ja) | 2015-10-28 |
Family
ID=46705615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011049619A Expired - Fee Related JP5801066B2 (ja) | 2011-03-07 | 2011-03-07 | エンジンの排気浄化装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8793985B2 (ja) |
JP (1) | JP5801066B2 (ja) |
DE (1) | DE102012203441B4 (ja) |
IT (1) | ITTO20120105A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3235715A4 (en) * | 2014-12-19 | 2018-03-28 | Yamaha Hatsudoki Kabushiki Kaisha | Saddle-ride vehicle |
CN216110944U (zh) * | 2021-09-28 | 2022-03-22 | 本田技研工业株式会社 | 排气结构 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0561417U (ja) * | 1992-01-24 | 1993-08-13 | 三菱自動車工業株式会社 | 排気ガス処理装置 |
JP3148868B2 (ja) * | 1992-03-30 | 2001-03-26 | ヤマハ発動機株式会社 | 2サイクルエンジンの排気浄化装置 |
JP2639613B2 (ja) | 1992-10-26 | 1997-08-13 | 中央紙器工業株式会社 | 折畳式の段ボール製パッキン |
JPH06214059A (ja) | 1993-01-18 | 1994-08-05 | Suzuki Motor Corp | 電子時計 |
JP3300088B2 (ja) | 1993-02-12 | 2002-07-08 | マツダ株式会社 | エンジンの空燃比制御装置 |
JPH06240344A (ja) | 1993-02-16 | 1994-08-30 | Harima Ceramic Co Ltd | 溶鋼処理装置用浸漬管 |
US5657625A (en) | 1994-06-17 | 1997-08-19 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Apparatus and method for internal combustion engine control |
DE19500472C2 (de) | 1995-01-10 | 2003-10-16 | Schatz Thermo Gastech Gmbh | Verfahren zur Reduzierung der Abgasemissionen eines Verbrennungsmotors für Kraftfahrzeuge mit Abgaskatalysator |
US6003309A (en) * | 1995-02-17 | 1999-12-21 | Hitachi, Ltd. | Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine |
JPH09158719A (ja) * | 1995-12-08 | 1997-06-17 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
US5855113A (en) | 1997-03-28 | 1999-01-05 | Ford Global Technologies, Inc. | Method and system for controlling the temperature of an exhaust system having a variable length exhaust pipe |
JPH11343835A (ja) * | 1998-06-01 | 1999-12-14 | Yamaha Motor Co Ltd | 内燃機関の排気装置 |
JP3557925B2 (ja) * | 1998-12-22 | 2004-08-25 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP3573044B2 (ja) | 2000-02-03 | 2004-10-06 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2005299529A (ja) * | 2004-04-13 | 2005-10-27 | Kawasaki Heavy Ind Ltd | 内燃機関の排気浄化装置 |
US7509800B2 (en) * | 2004-06-08 | 2009-03-31 | Nissan Motor Co., Ltd. | Exhaust system of multi-cylinder internal combustion engine |
JP4254630B2 (ja) * | 2004-06-24 | 2009-04-15 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2007008442A (ja) * | 2005-03-11 | 2007-01-18 | Yamaha Motor Co Ltd | 自動二輪車の排気装置 |
JP4684199B2 (ja) * | 2006-09-26 | 2011-05-18 | 本田技研工業株式会社 | 自動2輪車の排気装置 |
JP5023915B2 (ja) * | 2006-10-27 | 2012-09-12 | 日産自動車株式会社 | 内燃機関の排気浄化システムの排気浄化触媒再生制御装置とその触媒再生方法 |
JP5046674B2 (ja) * | 2007-02-07 | 2012-10-10 | 本田技研工業株式会社 | 自動二輪車の触媒配置構造 |
JP4905291B2 (ja) * | 2007-08-09 | 2012-03-28 | 日産自動車株式会社 | 空燃比制御装置 |
JP2009209840A (ja) * | 2008-03-05 | 2009-09-17 | Nissan Motor Co Ltd | エンジンの排気浄化装置 |
JP5285505B2 (ja) * | 2009-05-22 | 2013-09-11 | 本田技研工業株式会社 | エンジンの排気装置 |
US8191354B2 (en) * | 2009-10-20 | 2012-06-05 | Ford Global Technologies, Llc | Method and aftertreatment configuration to reduce engine cold-start NOx emissions |
-
2011
- 2011-03-07 JP JP2011049619A patent/JP5801066B2/ja not_active Expired - Fee Related
-
2012
- 2012-02-08 IT IT000105A patent/ITTO20120105A1/it unknown
- 2012-02-23 US US13/403,107 patent/US8793985B2/en not_active Expired - Fee Related
- 2012-03-05 DE DE102012203441.2A patent/DE102012203441B4/de active Active
Also Published As
Publication number | Publication date |
---|---|
US20120227387A1 (en) | 2012-09-13 |
DE102012203441B4 (de) | 2016-01-28 |
ITTO20120105A1 (it) | 2012-09-08 |
DE102012203441A1 (de) | 2012-09-13 |
US8793985B2 (en) | 2014-08-05 |
JP2012184736A (ja) | 2012-09-27 |
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