FR2935024B1 - Procede de decollement de depots sur les parois d'echange thermique d'un refroidissement de recirculation des gaz d'echappement et moteur a combustion interne - Google Patents

Procede de decollement de depots sur les parois d'echange thermique d'un refroidissement de recirculation des gaz d'echappement et moteur a combustion interne

Info

Publication number
FR2935024B1
FR2935024B1 FR0855557A FR0855557A FR2935024B1 FR 2935024 B1 FR2935024 B1 FR 2935024B1 FR 0855557 A FR0855557 A FR 0855557A FR 0855557 A FR0855557 A FR 0855557A FR 2935024 B1 FR2935024 B1 FR 2935024B1
Authority
FR
France
Prior art keywords
exhaust gas
combustion engine
internal combustion
gas recirculation
thermal exchange
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
Application number
FR0855557A
Other languages
English (en)
Other versions
FR2935024A1 (fr
Inventor
Laurent Chenuet
Christophe Pointard
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
Original Assignee
Renault SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Renault SAS filed Critical Renault SAS
Priority to FR0855557A priority Critical patent/FR2935024B1/fr
Publication of FR2935024A1 publication Critical patent/FR2935024A1/fr
Application granted granted Critical
Publication of FR2935024B1 publication Critical patent/FR2935024B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F02D41/0055—Special engine operating conditions, e.g. for regeneration of exhaust gas treatment 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
    • F02M26/22—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
    • F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
    • 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
    • F02M26/33—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 controlling the temperature of the recirculated gases
    • 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
    • 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)
FR0855557A 2008-08-13 2008-08-13 Procede de decollement de depots sur les parois d'echange thermique d'un refroidissement de recirculation des gaz d'echappement et moteur a combustion interne Expired - Fee Related FR2935024B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0855557A FR2935024B1 (fr) 2008-08-13 2008-08-13 Procede de decollement de depots sur les parois d'echange thermique d'un refroidissement de recirculation des gaz d'echappement et moteur a combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0855557A FR2935024B1 (fr) 2008-08-13 2008-08-13 Procede de decollement de depots sur les parois d'echange thermique d'un refroidissement de recirculation des gaz d'echappement et moteur a combustion interne

Publications (2)

Publication Number Publication Date
FR2935024A1 FR2935024A1 (fr) 2010-02-19
FR2935024B1 true FR2935024B1 (fr) 2011-05-27

Family

ID=40510000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0855557A Expired - Fee Related FR2935024B1 (fr) 2008-08-13 2008-08-13 Procede de decollement de depots sur les parois d'echange thermique d'un refroidissement de recirculation des gaz d'echappement et moteur a combustion interne

Country Status (1)

Country Link
FR (1) FR2935024B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9406197U1 (de) * 1994-04-14 1994-06-16 Behr Gmbh & Co Wärmetauscher zum Kühlen von Abgas eines Kraftfahrzeugmotors
US5785030A (en) * 1996-12-17 1998-07-28 Dry Systems Technologies Exhaust gas recirculation in internal combustion engines
JP3647250B2 (ja) * 1998-03-17 2005-05-11 日産ディーゼル工業株式会社 Ｅｇｒ装置
DE102005049309A1 (de) * 2005-10-12 2007-04-19 Behr Gmbh & Co. Kg Vorrichtung zur Rückführung und Kühlung von Abgas einer Brennkraftmaschine
US7281529B2 (en) * 2005-10-17 2007-10-16 International Engine Intellectual Property Company, Llc EGR cooler purging apparatus and method
DE102006003624A1 (de) * 2006-01-26 2007-08-02 Daimlerchrysler Ag Verfahren zum Betreiben eines Wärmetauschers

Also Published As

Publication number Publication date
FR2935024A1 (fr) 2010-02-19

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