JP2008069722A - 内燃機関 - Google Patents
内燃機関 Download PDFInfo
- Publication number
- JP2008069722A JP2008069722A JP2006249882A JP2006249882A JP2008069722A JP 2008069722 A JP2008069722 A JP 2008069722A JP 2006249882 A JP2006249882 A JP 2006249882A JP 2006249882 A JP2006249882 A JP 2006249882A JP 2008069722 A JP2008069722 A JP 2008069722A
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- JP
- Japan
- Prior art keywords
- exhaust
- control valve
- internal combustion
- combustion engine
- bank
- 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
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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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/02—Gas passages between engine outlet and pump drive, e.g. reservoirs
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
- F01N13/107—More than one exhaust manifold or exhaust collector
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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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
- F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
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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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/22—Control of the pumps by varying cross-section of exhaust passages or air passages, e.g. by throttling turbine inlets or outlets or by varying effective number of guide conduits
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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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/16—Exhaust treating devices having provisions not otherwise provided for for reducing exhaust flow pulsations
-
- 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
- F01N2410/06—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device at cold starting
-
- 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
- F01N2410/12—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of absorption, adsorption or desorption of exhaust gas constituents
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1612—SOx amount trapped in catalyst
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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
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
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- 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)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Supercharger (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
【解決手段】V型6気筒エンジンにて、複数の気筒が左右の第1バンク12及び第2バンク13に分けて配列された気筒群を設け、各バンク12,13の気筒群に対して吸気管51を連結する一方、第1排気管57及び第2排気管58を連結し、各排気管57,58に第1前段三元触媒59及び第2前段三元触媒60をそれぞれ設けると共に第1制御弁64及び第2制御弁65を設け、各排気管57,58における前段三元触媒59,60及び制御弁64,65の上流側を連通管63により連通し、この連通管63に排気ガスの流量を調整する第3制御弁66を設ける。
【選択図】 図1
Description
13 第2バンク
16,17 ピストン
22,23 燃焼室
24,25 吸気ポート
26,27 排気ポート
28,29 吸気弁
30,31 排気弁
51 吸気管(吸気通路)
54 電子スロットル装置
55,56 排気マニホールド
57 第1排気管(排気通路)
58 第2排気管(排気通路)
59 第1前段三元触媒(浄化触媒)
60 第2前段三元触媒(浄化触媒)
61 排気集合管(排気集合通路)
62 NOx吸蔵還元型触媒
63 連通管(連通通路)
64 第1制御弁(排気制御弁)
65 第2制御弁(排気制御弁)
66,91,92,93 第3制御弁(連通制御弁)
67 ターボ過給機
72,73 インジェクタ
77,78 点火プラグ
79 電子制御ユニット、ECU(制御手段)
Claims (12)
- 複数の気筒が左右のバンクに分けて配列された2つの気筒群を有し、該各気筒群に対して吸気通路が設けられる一方、排気通路がそれぞれ独立して設けられ、該各排気通路に排気ガスの流量を調整する排気制御弁が設けられると共に、前記各排気通路の少なくともいずれか一方に浄化触媒が設けられ、前記各排気通路における前記各制御弁及び前記浄化触媒より上流側が連通通路により連通され、該連通通路に排気ガスの流量を調整する連通制御弁が設けられたことを特徴とする内燃機関。
- 請求項1に記載の内燃機関において、前記連通制御弁は、前記連通通路における前記各排気通路の近傍にそれぞれ設けられたことを特徴とする内燃機関。
- 請求項1に記載の内燃機関において、前記左右のバンクの気筒群の一方の排気通路における前記浄化触媒より上流側に過給機が設けられたことを特徴とする内燃機関。
- 請求項3に記載の内燃機関において、前記連通制御弁は、前記連通通路における前記過給機を有する気筒群側の前記排気通路の近傍に設けられたことを特徴とする内燃機関。
- 請求項1から4のいずれか一つに記載の内燃機関において、内燃機関の運転状態に応じて前記連通制御弁を開閉制御する制御手段が設けられたことを特徴とする内燃機関。
- 請求項5に記載の内燃機関において、前記制御手段は、内燃機関の低回転高負荷時に前記連通制御弁を閉止することを特徴とする内燃機関。
- 請求項5に記載の内燃機関において、前記制御手段は、内燃機関の高負荷時に前記過給機のタービンより上流側の排気圧力が前記過給機のコンプレッサより下流側の過給圧力より高いときに前記連通制御弁を開放することを特徴とする内燃機関。
- 請求項5に記載の内燃機関において、前記制御手段は、内燃機関の高負荷時に前記過給機のタービンより上流側の排気圧力が前記過給機のコンプレッサより下流側の過給圧力より低いときに前記連通制御弁を閉止することを特徴とする内燃機関。
- 請求項5に記載の内燃機関において、前記左右のバンクの気筒群の一方をリーン空燃比で運転し、他方をリッチ空燃比で運転するバンク制御中に、前記制御手段は前記連通制御弁を閉止することを特徴とする内燃機関。
- 請求項9に記載の内燃機関において、内燃機関の運転状態が前記バンク制御可能領域にないとき、前記制御手段は前記連通制御弁を開放することを特徴とする内燃機関。
- 請求項10に記載の内燃機関において、内燃機関の運転状態が前記バンク制御可能領域から外れたとき、前記左右のバンクの気筒群の空燃比をストイキ空燃比に変更し、予め設定された所定時間の経過後、前記制御手段は前記連通制御弁を開放することを特徴とする内燃機関。
- 請求項9から11のいずれか一つに記載の内燃機関において、前記各排気通路の下流端部が合流して排気集合通路が設けられ、該排気集合通路にNOx吸蔵還元型浄化触媒が設けられ、該NOx吸蔵還元型浄化触媒に吸蔵された硫黄成分が予め設定された硫黄吸蔵量よりも多くなったときに前記バンク制御を実行することを特徴とする内燃機関。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006249882A JP4215085B2 (ja) | 2006-09-14 | 2006-09-14 | 内燃機関 |
CN2007800338213A CN101548073B (zh) | 2006-09-14 | 2007-09-13 | 内燃发动机及其控制方法 |
EP07825097A EP2061955B1 (en) | 2006-09-14 | 2007-09-13 | Internal combustion engine and control method thereof |
US12/439,183 US8056337B2 (en) | 2006-09-14 | 2007-09-13 | Internal combustion engine and control method thereof |
PCT/IB2007/002630 WO2008032187A1 (en) | 2006-09-14 | 2007-09-13 | Internal combustion engine and control method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006249882A JP4215085B2 (ja) | 2006-09-14 | 2006-09-14 | 内燃機関 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008069722A true JP2008069722A (ja) | 2008-03-27 |
JP4215085B2 JP4215085B2 (ja) | 2009-01-28 |
Family
ID=38935870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006249882A Expired - Fee Related JP4215085B2 (ja) | 2006-09-14 | 2006-09-14 | 内燃機関 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8056337B2 (ja) |
EP (1) | EP2061955B1 (ja) |
JP (1) | JP4215085B2 (ja) |
CN (1) | CN101548073B (ja) |
WO (1) | WO2008032187A1 (ja) |
Cited By (1)
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US8944035B2 (en) | 2011-06-29 | 2015-02-03 | General Electric Company | Systems and methods for controlling exhaust gas recirculation |
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JP4215085B2 (ja) * | 2006-09-14 | 2009-01-28 | トヨタ自動車株式会社 | 内燃機関 |
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US8209109B2 (en) * | 2007-07-13 | 2012-06-26 | Ford Global Technologies, Llc | Method for compensating an operating imbalance between different banks of a turbocharged engine |
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US8555638B2 (en) | 2011-04-14 | 2013-10-15 | Caterpillar Inc. | Internal combustion engine with improved exhaust manifold |
DE102011113145A1 (de) * | 2011-08-12 | 2013-02-14 | Mwm Gmbh | Vorrichtung und Verfahren zum Regeln eines Otto-Gasmotors |
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JP4162016B2 (ja) * | 2006-06-08 | 2008-10-08 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2007332844A (ja) * | 2006-06-14 | 2007-12-27 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP4215085B2 (ja) * | 2006-09-14 | 2009-01-28 | トヨタ自動車株式会社 | 内燃機関 |
-
2006
- 2006-09-14 JP JP2006249882A patent/JP4215085B2/ja not_active Expired - Fee Related
-
2007
- 2007-09-13 US US12/439,183 patent/US8056337B2/en not_active Expired - Fee Related
- 2007-09-13 WO PCT/IB2007/002630 patent/WO2008032187A1/en active Application Filing
- 2007-09-13 CN CN2007800338213A patent/CN101548073B/zh not_active Expired - Fee Related
- 2007-09-13 EP EP07825097A patent/EP2061955B1/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8944035B2 (en) | 2011-06-29 | 2015-02-03 | General Electric Company | Systems and methods for controlling exhaust gas recirculation |
Also Published As
Publication number | Publication date |
---|---|
US8056337B2 (en) | 2011-11-15 |
EP2061955A1 (en) | 2009-05-27 |
JP4215085B2 (ja) | 2009-01-28 |
WO2008032187A1 (en) | 2008-03-20 |
CN101548073B (zh) | 2011-08-17 |
CN101548073A (zh) | 2009-09-30 |
EP2061955B1 (en) | 2011-11-30 |
US20100011762A1 (en) | 2010-01-21 |
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