FR3086702B1 - Systeme de recirculation des gaz d'echappement a l'admission d'un moteur, comprenant une structure poreuse - Google Patents
Systeme de recirculation des gaz d'echappement a l'admission d'un moteur, comprenant une structure poreuse Download PDFInfo
- Publication number
- FR3086702B1 FR3086702B1 FR1858896A FR1858896A FR3086702B1 FR 3086702 B1 FR3086702 B1 FR 3086702B1 FR 1858896 A FR1858896 A FR 1858896A FR 1858896 A FR1858896 A FR 1858896A FR 3086702 B1 FR3086702 B1 FR 3086702B1
- Authority
- FR
- France
- Prior art keywords
- porous structure
- exhaust gas
- turbocharger
- recirculation system
- gas recirculation
- 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.)
- Active
Links
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
- 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
- F02M26/09—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine
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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
- 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
- F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
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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
- 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
- F02M26/11—Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
-
- 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
- F02M26/34—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with compressors, turbines or the like in the recirculation passage
-
- 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
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
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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
- 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
- F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
L'invention concerne un système de recirculation des gaz d'échappement à basse pression (1) pour moteur à combustion interne (10), comprenant : - un turbocompresseur (2); - un conduit d'amenée d'air frais (3) vers le turbocompresseur (2); un conduit de gaz recirculé (4) dans lequel circule le gaz d'échappement sortant d'une turbine du turbocompresseur (2); - une jonction (5) où se joignent le conduit de gaz recirculé (4) et le conduit d'amenée d'air frais (3); et - un conduit intermédiaire (6), d'axe principal L, reliant ladite jonction (5) à une entrée (210) du turbocompresseur (2). Selon l'invention, ledit système comprend une structure poreuse (7, 71) disposée en saillie par rapport à une face interne (61) du conduit intermédiaire (6), en ce que la structure poreuse (7, 71) s'étend selon au moins une partie inférieure (63) de la circonférence (C) de ladite face interne (61), et en ce que la structure poreuse (7, 71) comprend des pores traversants dans une direction parallèle à l'axe principal (L).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1858896A FR3086702B1 (fr) | 2018-09-27 | 2018-09-27 | Systeme de recirculation des gaz d'echappement a l'admission d'un moteur, comprenant une structure poreuse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1858896A FR3086702B1 (fr) | 2018-09-27 | 2018-09-27 | Systeme de recirculation des gaz d'echappement a l'admission d'un moteur, comprenant une structure poreuse |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3086702A1 FR3086702A1 (fr) | 2020-04-03 |
FR3086702B1 true FR3086702B1 (fr) | 2020-12-11 |
Family
ID=63896458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1858896A Active FR3086702B1 (fr) | 2018-09-27 | 2018-09-27 | Systeme de recirculation des gaz d'echappement a l'admission d'un moteur, comprenant une structure poreuse |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3086702B1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101371028A (zh) * | 2006-01-27 | 2009-02-18 | 博格华纳公司 | 在压缩机上/之前用于lp-egr凝聚物的再引入单元 |
US7805926B2 (en) * | 2007-04-30 | 2010-10-05 | Caterpillar Inc | Exhaust treatment system having an acidic debris filter |
WO2009076342A2 (fr) * | 2007-12-11 | 2009-06-18 | Borgwarner Inc. | Module intégrant diverses combinaisons d'un refroidisseur d'air d'échappement, soupape, soupape d'étranglement, mélangeur et séparateur de particules, dans un boîtier commun |
DE102012205027A1 (de) * | 2012-03-28 | 2013-10-02 | Mahle International Gmbh | Einleiteinrichtung für Gase, insbesondere eine Abgasrückführeinrichtung |
-
2018
- 2018-09-27 FR FR1858896A patent/FR3086702B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR3086702A1 (fr) | 2020-04-03 |
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