FR3090046B1 - PROCEDE DE contrôle D’UN MOTEUR A COMBUSTION ITERNE SURALIMENTE AVEC RECIRCULATION PARTIELLE DES GAZ D’ECHAPPEMENT A L’ADMISSION, ET DISPOSITIF DE MOTORISATION ASSOCIE - Google Patents

PROCEDE DE contrôle D’UN MOTEUR A COMBUSTION ITERNE SURALIMENTE AVEC RECIRCULATION PARTIELLE DES GAZ D’ECHAPPEMENT A L’ADMISSION, ET DISPOSITIF DE MOTORISATION ASSOCIE Download PDF

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Publication number
FR3090046B1
FR3090046B1 FR1872845A FR1872845A FR3090046B1 FR 3090046 B1 FR3090046 B1 FR 3090046B1 FR 1872845 A FR1872845 A FR 1872845A FR 1872845 A FR1872845 A FR 1872845A FR 3090046 B1 FR3090046 B1 FR 3090046B1
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France
Prior art keywords
engine
circuit
exhaust gases
under pressure
intake
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
Application number
FR1872845A
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English (en)
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FR3090046A1 (fr
Inventor
Nacer Sekfane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renault SAS
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Renault SAS
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Publication date
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Priority to FR1872845A priority Critical patent/FR3090046B1/fr
Publication of FR3090046A1 publication Critical patent/FR3090046A1/fr
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Publication of FR3090046B1 publication Critical patent/FR3090046B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0065—Specific aspects of external EGR control
    • 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
    • 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
    • F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
    • 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
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/07—Mixed pressure loops, i.e. wherein recirculated exhaust gas is either taken out upstream of the turbine and reintroduced upstream of the compressor, or is taken out downstream of the turbine and reintroduced 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
    • F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
    • F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
    • 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
    • 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
    • F02M26/38—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with two or more EGR valves disposed in parallel
    • 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
    • F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0077—Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Supercharger (AREA)

Abstract

Dispositif de motorisation (1) d’un véhicule automobile comprenant un moteur (2) à combustion interne du type suralimenté par compresseur (8), ledit moteur étant associé à au moins un circuit de recirculation partielle à basse pression apte à prélever une partie des gaz d’échappement du moteur en un point du circuit d’échappement (4) du moteur situé en aval de la turbine (12) du turbocompresseur (8) et à les réintroduire en un point du circuit d’admission (3) du moteur situé en aval du compresseur (9) du turbocompresseur (8), ledit circuit de recirculation comprenant : au moins une pompe (24) pour prélever lesdits gaz d’échappement en aval de la turbine ; et, des moyens de stockage (26) sous pression et de réintroduction sous pression à l’admission du moteur desdits gaz d’échappement, caractérisé en ce que ledit circuit de recirculation comprend au moins deux réservoirs distincts (26,29) de stockage sous pression et de réintroduction sous pression à l’admission desdits gaz, chacun des deux réservoirs étant apte à stocker des gaz d’échappement du moteur pendant que l’autre réservoir en réintroduit simultanément dans le circuit d’admission du moteur, et que ledit circuit de recirculation comprend en outre des moyens de prélèvement (16) de gaz d’échappement du moteur prélevés à partir d’un autre point du circuit d’échappement situé en amont de ladite turbine (12).
FR1872845A 2018-12-13 2018-12-13 PROCEDE DE contrôle D’UN MOTEUR A COMBUSTION ITERNE SURALIMENTE AVEC RECIRCULATION PARTIELLE DES GAZ D’ECHAPPEMENT A L’ADMISSION, ET DISPOSITIF DE MOTORISATION ASSOCIE Active FR3090046B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1872845A FR3090046B1 (fr) 2018-12-13 2018-12-13 PROCEDE DE contrôle D’UN MOTEUR A COMBUSTION ITERNE SURALIMENTE AVEC RECIRCULATION PARTIELLE DES GAZ D’ECHAPPEMENT A L’ADMISSION, ET DISPOSITIF DE MOTORISATION ASSOCIE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1872845A FR3090046B1 (fr) 2018-12-13 2018-12-13 PROCEDE DE contrôle D’UN MOTEUR A COMBUSTION ITERNE SURALIMENTE AVEC RECIRCULATION PARTIELLE DES GAZ D’ECHAPPEMENT A L’ADMISSION, ET DISPOSITIF DE MOTORISATION ASSOCIE

Publications (2)

Publication Number Publication Date
FR3090046A1 FR3090046A1 (fr) 2020-06-19
FR3090046B1 true FR3090046B1 (fr) 2021-05-21

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FR1872845A Active FR3090046B1 (fr) 2018-12-13 2018-12-13 PROCEDE DE contrôle D’UN MOTEUR A COMBUSTION ITERNE SURALIMENTE AVEC RECIRCULATION PARTIELLE DES GAZ D’ECHAPPEMENT A L’ADMISSION, ET DISPOSITIF DE MOTORISATION ASSOCIE

Country Status (1)

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6138649A (en) * 1997-09-22 2000-10-31 Southwest Research Institute Fast acting exhaust gas recirculation system
US20030154716A1 (en) 2002-02-21 2003-08-21 Detroit Diesel Corporation Exhaust gas recirculation system
US9546621B2 (en) * 2014-11-21 2017-01-17 Tenneco Automotive Operating Company Inc. Carbon dioxide recirculation system
FR3041042B1 (fr) * 2015-09-14 2017-10-06 Continental Automotive France Dispositif d'echappement d'un moteur a combustion interne comportant un compresseur electrique et un reservoir de gaz d'echappement comprimes
CN205013151U (zh) * 2015-09-29 2016-02-03 长城汽车股份有限公司 发动机及具有该发动机的车辆

Also Published As

Publication number Publication date
FR3090046A1 (fr) 2020-06-19

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