JP2009047166A - 内燃機関の吸気口に排気ガスを再導入する方法、及びそれを使用した機関 - Google Patents
内燃機関の吸気口に排気ガスを再導入する方法、及びそれを使用した機関 Download PDFInfo
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- JP2009047166A JP2009047166A JP2008207716A JP2008207716A JP2009047166A JP 2009047166 A JP2009047166 A JP 2009047166A JP 2008207716 A JP2008207716 A JP 2008207716A JP 2008207716 A JP2008207716 A JP 2008207716A JP 2009047166 A JP2009047166 A JP 2009047166A
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- Prior art keywords
- exhaust gas
- intake
- engine
- exhaust
- internal combustion
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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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10104—Substantially vertically arranged ducts
-
- 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
- F02M26/24—Layout, e.g. schematics with two or more coolers
-
- 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
- F02M26/37—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with temporary storage of recirculated exhaust gas
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10288—Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/108—Intake manifolds with primary and secondary intake passages
- F02M35/1085—Intake manifolds with primary and secondary intake passages the combustion chamber having multiple intake valves
-
- 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 Circulating Devices (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】内燃機関の吸気口に排気ガスを再導入する方法では、機関排気行程中に、機関の気筒10の燃焼室60に入っている排気ガスの一部が、機関の運転範囲において、第1の流体循環回路C1に送り込まれ、ガスの残りの部分が排気回路24に排出される。機関吸気行程中に、第1の流体循環回路C1に送り込まれた排気ガスが冷却され、冷却され再循環された排気ガスが、機関の空気供給回路から供給された新気AFと混合され、再循環された排気ガスと新気との混合物が第2の流体循環回路C2に送り込まれ、第2の流体循環回路C2に送り込まれた混合物が燃焼室60に送り込まれる前に冷却される。
【選択図】図1
Description
12,14 吸気手段
16,18 吸気弁
20,22 吸気管
26 排気弁
30,32,34 手段
36,38 分配器
40,42 出口管
44 分岐配管
46 管
48 複流熱交換器
54 弁
60 燃焼室
C1 第1の流体循環回路
C2 第2の流体循環回路
PMBc 圧縮下死点
PMBe 排気下死点
PMHa 吸気上死点
Claims (10)
- 内燃機関の吸気口に排気ガスを再導入する方法であって、機関排気行程中に、前記機関の気筒(10)の燃焼室(60)に入っている排気ガスの一部が、該機関の運転範囲において、第1の流体循環回路(C1)に送り込まれ、前記排気ガスの残りの部分が排気回路に排出される方法において、
機関吸気行程中に、前記第1の流体循環回路(C1)に送り込まれた前記排気ガスを冷却することと、
冷却され再循環された前記排気ガスを、機関の空気供給回路(44)から供給された新気(AF)と混合することと、
再循環された前記排気ガスと前記新気との混合物を第2の流体循環回路(C2)に送り込むことと、
前記第2の流体循環回路(C2)に送り込まれた前記混合物を前記燃焼室(60)に送り込む前に冷却することと、
を有することを特徴とする方法。 - 前記第1の流体循環回路(C1)の少なくとも一部を閉鎖することと、
前記第1の流体循環回路(C1)の前記閉鎖された部分に前記排気ガスの一部を送り込んで、該排気ガスを加圧することと、
を有する、請求項1に記載の方法。 - 前記排気ガスの冷却と、前記混合物の冷却とを、前記第1及び第2の流体循環回路(C1,C2)に共通する熱交換器(48)によって行う、請求項1に記載の方法。
- 燃焼室(60)を含む少なくとも1本の気筒(10)を有する内燃機関であって、
各々が吸気弁(16,18)を含む少なくとも2つの吸気手段(12,14)と、
各吸気手段に連結された分配器(36,38)と、
各分配器を新気の供給回路(46)に連結する出口管(40,42)と、
を有することを特徴とする内燃機関。 - 前記2本の出口管(40,42)上に配置された熱交換器(48)を有する、請求項4に記載の内燃機関。
- 前記熱交換器(48)は複流冷却器である、請求項5に記載の内燃機関。
- 前記2本の出口管(40,42)は、合流ゾーン(44)内で、前記新気の供給回路(46)と合流している、請求項4または5に記載の内燃機関。
- 前記出口管のうちの1本(40)は絞り手段(54)を備えている、請求項4から7のいずれか1項に記載の内燃機関。
- 前記絞り手段(54)は、前記分配器(36)と前記熱交換器(48)との間に配置されている、請求項8に記載の内燃機関。
- 前記吸気弁(16,18)の少なくとも一方の揚程特性を変更することができる制御手段(30,32,34)を有している、請求項4に記載の内燃機関。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0705844A FR2920034B1 (fr) | 2007-08-14 | 2007-08-14 | Procede pour reintroduire des gaz d'echappement a l'admission d'un moteur a combustion interne et moteur utilisant un tel procede |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009047166A true JP2009047166A (ja) | 2009-03-05 |
Family
ID=39204961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008207716A Pending JP2009047166A (ja) | 2007-08-14 | 2008-08-12 | 内燃機関の吸気口に排気ガスを再導入する方法、及びそれを使用した機関 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8505517B2 (ja) |
EP (1) | EP2025915B1 (ja) |
JP (1) | JP2009047166A (ja) |
FR (1) | FR2920034B1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011149429A (ja) * | 2010-01-19 | 2011-08-04 | IFP Energies Nouvelles | 直噴過給式の多シリンダ内燃エンジンの残留燃焼気体の掃気方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2592880B (en) | 2019-11-22 | 2022-12-07 | Caterpillar Motoren Gmbh & Co | Method and gas fuel injection unit for operating an internal combustion engine |
DE102022116606A1 (de) * | 2022-07-04 | 2024-01-04 | Schaeffler Technologies AG & Co. KG | Viertakt-Verbrennungskraftmaschine mit zweigeteiltem Einlasskanal und zugehöri-ges Betriebsverfahren |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06173724A (ja) * | 1992-12-14 | 1994-06-21 | Mazda Motor Corp | エンジンの掃気装置 |
JP2007032402A (ja) * | 2005-07-26 | 2007-02-08 | Yanmar Co Ltd | 内燃機関の排気ガス環流装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2215579A (en) * | 1937-11-20 | 1940-09-24 | Eichelberg Gustav | Cylinder head for four-stroke internal combustion engines |
JPS5024630A (ja) * | 1973-07-09 | 1975-03-15 | ||
JPS6198914A (ja) * | 1984-10-19 | 1986-05-17 | Mazda Motor Corp | エンジンの吸気装置 |
FR2668541B1 (fr) * | 1990-10-30 | 1994-10-14 | Inst Francais Du Petrole | Procede pour reduire les composants nocifs dans les gaz d'echappement et moteur qui le met en óoeuvre. |
US6102014A (en) * | 1998-09-29 | 2000-08-15 | Caterpillar Inc. | Exhaust gas recirculation system |
US6553959B2 (en) * | 2000-06-13 | 2003-04-29 | Visteon Global Technologies, Inc. | Electronic flow control for a stratified EGR system |
DE10351546A1 (de) * | 2002-12-03 | 2004-06-24 | Behr Gmbh & Co. Kg | Vorrichtung zur Kühlung |
FR2856435B1 (fr) * | 2003-06-20 | 2005-09-23 | Inst Francais Du Petrole | Moteur suralimente a combustion interne a injection indirecte a balayage de gaz brules et procede d'alimentation en air suralimente pour un tel moteur |
US6932063B1 (en) * | 2004-08-12 | 2005-08-23 | Eaton Corporation | Internal EGR cooler |
DE102005001719A1 (de) * | 2005-01-13 | 2006-07-27 | Daimlerchrysler Ag | Brennkraftmaschine und Verfahren zum Betrieb derselben |
-
2007
- 2007-08-14 FR FR0705844A patent/FR2920034B1/fr not_active Expired - Fee Related
-
2008
- 2008-07-21 EP EP08290719.7A patent/EP2025915B1/fr not_active Not-in-force
- 2008-08-11 US US12/189,349 patent/US8505517B2/en not_active Expired - Fee Related
- 2008-08-12 JP JP2008207716A patent/JP2009047166A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06173724A (ja) * | 1992-12-14 | 1994-06-21 | Mazda Motor Corp | エンジンの掃気装置 |
JP2007032402A (ja) * | 2005-07-26 | 2007-02-08 | Yanmar Co Ltd | 内燃機関の排気ガス環流装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011149429A (ja) * | 2010-01-19 | 2011-08-04 | IFP Energies Nouvelles | 直噴過給式の多シリンダ内燃エンジンの残留燃焼気体の掃気方法 |
Also Published As
Publication number | Publication date |
---|---|
FR2920034A1 (fr) | 2009-02-20 |
EP2025915B1 (fr) | 2016-06-01 |
FR2920034B1 (fr) | 2009-10-02 |
US8505517B2 (en) | 2013-08-13 |
EP2025915A1 (fr) | 2009-02-18 |
US20090044790A1 (en) | 2009-02-19 |
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