JP4261325B2 - 排気浄化装置 - Google Patents
排気浄化装置 Download PDFInfo
- Publication number
- JP4261325B2 JP4261325B2 JP2003404115A JP2003404115A JP4261325B2 JP 4261325 B2 JP4261325 B2 JP 4261325B2 JP 2003404115 A JP2003404115 A JP 2003404115A JP 2003404115 A JP2003404115 A JP 2003404115A JP 4261325 B2 JP4261325 B2 JP 4261325B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- egr
- exhaust
- stopped
- particulate filter
- 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
Links
- 238000000746 purification Methods 0.000 title description 4
- 239000000446 fuel Substances 0.000 claims description 88
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 230000003134 recirculating effect Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 description 32
- 239000007924 injection Substances 0.000 description 32
- 239000003054 catalyst Substances 0.000 description 19
- 230000008929 regeneration Effects 0.000 description 18
- 238000011069 regeneration method Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- 238000007254 oxidation reaction Methods 0.000 description 13
- 230000003647 oxidation Effects 0.000 description 10
- 230000002000 scavenging effect Effects 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
-
- 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
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- 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
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
-
- 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
- F02M26/45—Sensors specially adapted for EGR systems
- F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
-
- 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
- F02M26/45—Sensors specially adapted for EGR systems
- F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
- F02M26/47—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition the characteristics being temperatures, pressures or flow rates
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
燃料添加手段により燃料を添加し且つEGR手段を停止している状態から、燃料添加手段を停止し且つEGR手段により排気ガスを再循環させる状態へ移行する際に、燃料添加手段を停止すると共にEGR手段を停止している状態をしばらく設け、
燃料添加手段を停止すると共にEGR手段を停止している状態を、エンジン回転数とエンジン負荷に基づいて終了するよう構成したことを特徴とする排気浄化装置、に係るものである。
9 排気ガス
11 排気管
13 パティキュレートフィルタ
15 EGRパイプ(EGR手段)
16 EGRクーラ(EGR手段)
17 EGRバルブ(EGR手段)
22 燃料噴射装置(燃料添加手段)
Claims (1)
- エンジンからの排気ガスが流通する排気管の途中に装備されたパティキュレートフィルタと、前記エンジンの排気マニホールドから排気ガスの一部を抜き出してエンジンの吸気マニホールド側へ再循環させるEGR手段と、前記パティキュレートフィルタとEGR手段の上流に配置して燃料を添加する燃料添加手段とを備え、
燃料添加手段により燃料を添加し且つEGR手段を停止している状態から、燃料添加手段を停止し且つEGR手段により排気ガスを再循環させる状態へ移行する際に、燃料添加手段を停止すると共にEGR手段を停止している状態をしばらく設け、
燃料添加手段を停止すると共にEGR手段を停止している状態を、エンジン回転数とエンジン負荷に基づいて終了するよう構成したことを特徴とする排気浄化装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003404115A JP4261325B2 (ja) | 2003-12-03 | 2003-12-03 | 排気浄化装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003404115A JP4261325B2 (ja) | 2003-12-03 | 2003-12-03 | 排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005163653A JP2005163653A (ja) | 2005-06-23 |
JP4261325B2 true JP4261325B2 (ja) | 2009-04-30 |
Family
ID=34727181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003404115A Expired - Fee Related JP4261325B2 (ja) | 2003-12-03 | 2003-12-03 | 排気浄化装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4261325B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008196445A (ja) * | 2007-02-15 | 2008-08-28 | Toyota Motor Corp | 内燃機関の制御装置 |
-
2003
- 2003-12-03 JP JP2003404115A patent/JP4261325B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005163653A (ja) | 2005-06-23 |
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