JP2009281159A - 内燃機関の排気浄化装置 - Google Patents
内燃機関の排気浄化装置 Download PDFInfo
- Publication number
- JP2009281159A JP2009281159A JP2008131300A JP2008131300A JP2009281159A JP 2009281159 A JP2009281159 A JP 2009281159A JP 2008131300 A JP2008131300 A JP 2008131300A JP 2008131300 A JP2008131300 A JP 2008131300A JP 2009281159 A JP2009281159 A JP 2009281159A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- valve
- internal combustion
- exhaust gas
- secondary air
- 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.)
- Pending
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Classifications
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- 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
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
- F01L13/085—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio the valve-gear having an auxiliary cam protruding from the main cam profile
-
- 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
- F01N3/34—Arrangements for supply of additional air using air conduits or jet air pumps, e.g. near the engine exhaust port
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0242—Variable control of the exhaust valves only
- F02D13/0246—Variable control of the exhaust valves only changing valve lift or valve lift and timing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0273—Multiple actuations of a valve within an engine cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/04—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation using engine as brake
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/01—Internal exhaust gas recirculation, i.e. wherein the residual exhaust gases are trapped in the cylinder or pushed back from the intake or the exhaust manifold into the combustion chamber without the use of additional passages
-
- 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
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/10—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying inlet or exhaust valve timing
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Valve Device For Special Equipments (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Exhaust Silencers (AREA)
- Characterised By The Charging Evacuation (AREA)
- Exhaust Gas After Treatment (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
【解決手段】吸気行程中に排気弁17eを部分開度に開いて気筒3a内に排ガスを導入するよう作動する排気還流装置62を設けると共に,排気通路16e,65に2次空気を供給し得る2次空気通路71を接続し,この2次空気通路71には,吸気行程中,排気還流装置62の作動に伴ない気筒3aから排気通路16e,65に作用する負圧により開弁する一方向弁73を設ける。
【選択図】 図3
Description
3a・・・・・シリンダボア
16e・・・・排気ポート(排気通路)
17e・・・・排気弁
62・・・・・排気還流装置
65・・・・・排気管(排気通路)
67・・・・・弁箱
71・・・・・2次空気通路
73・・・・・一方向弁
Claims (3)
- 吸気行程中に排気弁(17e)を部分開度に開いて気筒(3a)内に排ガスを導入するよう作動する排気還流装置(62)を設けると共に,排気通路(16e,65)に2次空気を供給し得る2次空気通路(71)を接続し,この2次空気通路(71)には,吸気行程中,前記排気還流装置(62)の作動に伴ない気筒(3a)から排気通路(16e,65)に作用する負圧により開弁する一方向弁(73)を設けてなることを特徴とする,内燃機関の排気浄化装置。
- 請求項1記載の内燃機関の排気浄化装置において,
前記一方向弁(73)を収容する弁箱(67)をシリンダヘッド(4)に結合されるヘッドカバー(18)に形成したことを特徴とする,内燃機関の排気浄化装置。 - 請求項1記載の内燃機関の排気浄化装置において,
前記一方向弁(73)を収容する弁箱(67)をシリンダヘッド(4)に結合される排気管(65)に取り付けたことを特徴とする,内燃機関の排気浄化装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008131300A JP2009281159A (ja) | 2008-05-19 | 2008-05-19 | 内燃機関の排気浄化装置 |
EP09160395A EP2123876B1 (en) | 2008-05-19 | 2009-05-15 | Exhaust emission controll system for internal combustion engine |
AT09160395T ATE482330T1 (de) | 2008-05-19 | 2009-05-15 | Abgasemissions-steuerungssystem für eine brennkraftmaschine |
DE602009000217T DE602009000217D1 (de) | 2008-05-19 | 2009-05-15 | Abgasemissions-Steuerungssystem für eine Brennkraftmaschine |
US12/467,554 US8234856B2 (en) | 2008-05-19 | 2009-05-18 | Exhaust emission control system for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008131300A JP2009281159A (ja) | 2008-05-19 | 2008-05-19 | 内燃機関の排気浄化装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009281159A true JP2009281159A (ja) | 2009-12-03 |
Family
ID=40937419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008131300A Pending JP2009281159A (ja) | 2008-05-19 | 2008-05-19 | 内燃機関の排気浄化装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8234856B2 (ja) |
EP (1) | EP2123876B1 (ja) |
JP (1) | JP2009281159A (ja) |
AT (1) | ATE482330T1 (ja) |
DE (1) | DE602009000217D1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102482961B (zh) * | 2009-09-14 | 2014-01-29 | 本田技研工业株式会社 | 内燃机的气门传动装置 |
FR2960023B1 (fr) * | 2010-05-12 | 2012-06-08 | Inst Francais Du Petrole | Procede de controle de l'injection d'air frais a l'echappement d'un moteur a combustion interne, notamment de vehicule automobile. |
JP5833910B2 (ja) * | 2011-12-19 | 2015-12-16 | スターテング工業株式会社 | リコイルスタータ機構 |
JP2014173518A (ja) * | 2013-03-11 | 2014-09-22 | Honda Motor Co Ltd | 汎用エンジンの排気浄化装置 |
EP3800333B1 (en) * | 2018-07-05 | 2024-04-17 | Honda Motor Co., Ltd. | Engine decompression device and engine |
JP2021080872A (ja) * | 2019-11-19 | 2021-05-27 | 川崎重工業株式会社 | 触媒ユニットおよびこれを備えたエンジンの排気構造 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52109027A (en) * | 1976-03-08 | 1977-09-12 | Toyota Motor Corp | After-fire preventing device for engine |
JP2001355440A (ja) * | 2000-06-15 | 2001-12-26 | Mitsubishi Heavy Ind Ltd | エンジンの2次空気導入装置 |
JP2005240793A (ja) * | 2004-01-26 | 2005-09-08 | Honda Motor Co Ltd | 内燃機関の動弁装置 |
JP2007231766A (ja) * | 2006-02-28 | 2007-09-13 | Honda Motor Co Ltd | 排気浄化用二次空気供給装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5234119A (en) * | 1975-09-11 | 1977-03-15 | Nissan Motor Co Ltd | Exhaust gas purifying system of multi-cylinder engine |
JPS609383Y2 (ja) * | 1976-05-07 | 1985-04-03 | 日産自動車株式会社 | 火花点火式多気筒内燃機関 |
JPS5540338Y2 (ja) * | 1977-02-25 | 1980-09-20 | ||
US4325346A (en) * | 1980-09-05 | 1982-04-20 | Suzuki Jidosha Kogyo Kabushiki Kaisha | Four-cycle internal combustion engine |
JPS58106120A (ja) * | 1981-12-18 | 1983-06-24 | Honda Motor Co Ltd | 自動二輪車における内燃機関の排ガス浄化装置 |
JPS6019911A (ja) * | 1983-07-12 | 1985-02-01 | Nippon Soken Inc | 二次空気導入管 |
IT1188212B (it) | 1985-12-20 | 1988-01-07 | Paolo Colombo | Sistema per il rilascio a velocita' controllata di sostanze attive |
JP2535339Y2 (ja) | 1991-07-03 | 1997-05-14 | 本田技研工業株式会社 | エンジンの2次空気導入装置 |
FR2687730A1 (fr) * | 1992-02-21 | 1993-08-27 | Renault | Dispositif d'introduction de gaz additionnels pour moteur a combustion interne. |
JP4411927B2 (ja) * | 2003-10-20 | 2010-02-10 | トヨタ自動車株式会社 | 内燃機関の制御装置及び制御方法 |
JP2006329003A (ja) * | 2005-05-24 | 2006-12-07 | Toyota Motor Corp | 内燃機関の二次空気供給装置 |
-
2008
- 2008-05-19 JP JP2008131300A patent/JP2009281159A/ja active Pending
-
2009
- 2009-05-15 AT AT09160395T patent/ATE482330T1/de not_active IP Right Cessation
- 2009-05-15 EP EP09160395A patent/EP2123876B1/en not_active Not-in-force
- 2009-05-15 DE DE602009000217T patent/DE602009000217D1/de active Active
- 2009-05-18 US US12/467,554 patent/US8234856B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52109027A (en) * | 1976-03-08 | 1977-09-12 | Toyota Motor Corp | After-fire preventing device for engine |
JP2001355440A (ja) * | 2000-06-15 | 2001-12-26 | Mitsubishi Heavy Ind Ltd | エンジンの2次空気導入装置 |
JP2005240793A (ja) * | 2004-01-26 | 2005-09-08 | Honda Motor Co Ltd | 内燃機関の動弁装置 |
JP2007231766A (ja) * | 2006-02-28 | 2007-09-13 | Honda Motor Co Ltd | 排気浄化用二次空気供給装置 |
Also Published As
Publication number | Publication date |
---|---|
DE602009000217D1 (de) | 2010-11-04 |
EP2123876B1 (en) | 2010-09-22 |
US8234856B2 (en) | 2012-08-07 |
EP2123876A1 (en) | 2009-11-25 |
ATE482330T1 (de) | 2010-10-15 |
US20090282819A1 (en) | 2009-11-19 |
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