EP1063411B1 - Conduit de recirculation de gaz d'échappement pour moteur à combustion interne - Google Patents

Conduit de recirculation de gaz d'échappement pour moteur à combustion interne Download PDF

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Publication number
EP1063411B1
EP1063411B1 EP00102592A EP00102592A EP1063411B1 EP 1063411 B1 EP1063411 B1 EP 1063411B1 EP 00102592 A EP00102592 A EP 00102592A EP 00102592 A EP00102592 A EP 00102592A EP 1063411 B1 EP1063411 B1 EP 1063411B1
Authority
EP
European Patent Office
Prior art keywords
exhaust
gas recirculation
recirculation line
exhaust gas
combustion engine
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 - Lifetime
Application number
EP00102592A
Other languages
German (de)
English (en)
Other versions
EP1063411A2 (fr
EP1063411A3 (fr
Inventor
Heribert Dipl.-Ing. Möller
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.)
MAN Truck and Bus SE
Original Assignee
MAN Nutzfahrzeuge AG
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 MAN Nutzfahrzeuge AG filed Critical MAN Nutzfahrzeuge AG
Publication of EP1063411A2 publication Critical patent/EP1063411A2/fr
Publication of EP1063411A3 publication Critical patent/EP1063411A3/fr
Application granted granted Critical
Publication of EP1063411B1 publication Critical patent/EP1063411B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/59—Systems for actuating EGR valves using positive pressure actuators; Check valves therefor
    • 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
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
    • 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
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/32—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
    • F02M26/41—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds; characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
    • 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
    • F02M26/40—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with timing means in the recirculation passage, e.g. cyclically operating valves or regenerators; with arrangements involving pressure pulsations

Definitions

  • the invention relates to an exhaust gas recirculation line for internal combustion engines according to the preamble of claim 1.
  • an exhaust gas recirculation line which is the exhaust gas line transversely to the longitudinal axis of the internal combustion engine in front of one of the front cylinder heads connects to the charge air line.
  • FIG. 1 shows a top view of a cylinder head 1 with an exhaust gas recirculation system.
  • the exhaust gas recirculation system essentially consists of an exhaust pipe 2, a Check valve 3, an exhaust gas cooler 4 and a charge air line, not shown here educated.
  • the exhaust gas to be returned passes through coming from the exhaust line 2 initially a butterfly valve 5, then flows through the exhaust gas recirculation line 6 and passes through the check valve 3 when pressure peaks occur, and the exhaust gas cooler 4 into the charge air pipe.
  • the exhaust gas is now from the exhaust pipe 2 to the exhaust gas cooler 4 by a Exhaust gas recirculation line 6 led into one of the end faces of the cylinder head 1 in such a way is integrated that it is guided through the cooling water chamber 7.
  • a line is saved, which is on the front of the Cylinder head 1 would take up additional space: The line would be in their Radiate considerable heat to the environment when installing in a vehicle Risk of fire and should be isolated.
  • Another advantage of the invention Arrangement is that by installation in the cooling water chamber 7 a noticeable pre-cooling of the exhaust gas is achieved, so that the actual exhaust gas cooler 4 can be dimensioned smaller.
  • the cooling effect of the exhaust gas recirculation line 6 can be increased further by that it has exhaust fins cooling fins, which the exhaust gas recirculation line 6 in the longitudinal weighting pull through and the together with the cylinder head 1 in casting technique can be performed.
  • the check valve 3 is a flap valve formed, which opens when 6 exhaust pressure peaks via the exhaust gas recirculation line meet a tongue 8 in the direction indicated by the arrow.
  • the check valve 3 can advantageously be a structural unit with a seal 10 form which is arranged between the cylinder head 1 (Fig. 1) and the exhaust gas cooler 4 is.
  • the deflection of the tongue 8 can be limited by a stop 9 in turn forms part of the seal 10.
  • the exhaust gas flows after passing the tongue 8 in the exhaust gas cooler designed as a tube bundle heat exchanger 4 and after cooling in the charge air line.
  • FIG. 3 A section III-III through the front end of the cylinder head 1 is shown in FIG. 3.
  • the exhaust gas recirculation line 6 is embodied in two channels here.
  • the two exhaust gas recirculation lines 6a, 6b penetrate the cooling water chamber 7.
  • the exhaust gas is already here pre-cooled. A heat radiation to the environment is completely impossible, isolation is therefore not necessary.
  • a butterfly valve 5 (Fig. 1) is provided, which by the actuator 5a can be actuated.

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)

Claims (6)

  1. Moteur à combustion interne suralimenté comportant un conduit de recyclage des gaz d'échappement qui relie un tuyau d'échappement à un conduit d'air de suralimentation par l'intermédiaire d'un refroidisseur de gaz d'échappement (4) et dans lequel on prévoit un clapet d'arrêt (5) ainsi qu'une soupape de non-retour (3) destinée à recycler les gaz d'échappement,
    caractérisé en ce que
    le recyclage des gaz d'échappement est réalisé depuis le tuyau d'échappement (2) en retournant dans la culasse (1), le conduit de recyclage des gaz d'échappement (6) étant intégré à la culasse (1) sur le côté frontal du moteur à combustion interne de telle manière que le conduit de recyclage des gaz d'échappement (6) traverse une chambre d'eau de refroidissement (7) de la culasse (1) transversalement à sa direction longitudinale.
  2. Moteur à combustion interne suralimenté comportant un conduit de recyclage des gaz d'échappement selon la revendication 1,
    caractérisé en ce que
    le clapet d'arrêt (5) est monté dans l'extrémité - orientée vers le conduit de gaz d'échappement (2) - du conduit de recyclage des gaz d'échappement (6).
  3. Moteur à combustion interne suralimenté comportant un conduit de recyclage des gaz d'échappement selon les revendications 1, 2,
    caractérisé en ce que
    la soupape de non-retour (3) ouverte en direction du refroidisseur de gaz d'échappement (4) est prévue dans une zone de transition depuis le conduit de recyclage des gaz d'échappement (6) jusqu'au refroidisseur de gaz d'échappement (4).
  4. Moteur à combustion interne suralimenté comportant un conduit de recyclage des gaz d'échappement selon la revendication 1,
    caractérisé en ce qu'
    un échangeur thermique en faisceau de tubes est intégré dans le conduit de recyclage des gaz d'échappement (6).
  5. Moteur à combustion interne suralimenté comportant un conduit de recyclage des gaz d'échappement selon la revendication 1,
    caractérisé en ce que
    le conduit de recyclage des gaz d'échappement (6) présente des ailettes de radiateur qui s'étendent en direction longitudinale du côté gaz d'échappement et sont fabriquées selon la technique de fonderie.
  6. Moteur à combustion interne suralimenté comportant un conduit de recyclage des gaz d'échappement selon la revendication 3,
    caractérisé en ce que
    la soupape de non-retour (3) fait partie d'un joint d'étanchéité (10) entre la culasse (1) et le refroidisseur de gaz d'échappement (4), le mouvement d'une languette (8) étant limité par une butée (9) qui à son tour forme avec le joint (10) une unité structurelle.
EP00102592A 1999-06-26 2000-02-08 Conduit de recirculation de gaz d'échappement pour moteur à combustion interne Expired - Lifetime EP1063411B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19929449 1999-06-26
DE19929449A DE19929449A1 (de) 1999-06-26 1999-06-26 Abgasrückführleitung für Brennkraftmaschinen

Publications (3)

Publication Number Publication Date
EP1063411A2 EP1063411A2 (fr) 2000-12-27
EP1063411A3 EP1063411A3 (fr) 2001-07-11
EP1063411B1 true EP1063411B1 (fr) 2004-09-08

Family

ID=7912742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00102592A Expired - Lifetime EP1063411B1 (fr) 1999-06-26 2000-02-08 Conduit de recirculation de gaz d'échappement pour moteur à combustion interne

Country Status (2)

Country Link
EP (1) EP1063411B1 (fr)
DE (2) DE19929449A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10119484B4 (de) * 2001-04-20 2018-01-04 Bayerische Motoren Werke Aktiengesellschaft Flüssigkeitsgekühlte Brennkraftmaschine mit einem Abgasrückführsystem
NZ531314A (en) * 2004-02-23 2006-10-27 Shuttleworth Axial Motor Compa Recirculation system for motor
FR2906574B1 (fr) * 2006-09-29 2010-09-17 Peugeot Citroen Automobiles Sa Dispositif de recirculation des gaz d'echappement d'un moteur a combustion interne et moteur a combustion interne equipe d'un tel dispositif
EP2063097A1 (fr) * 2007-11-21 2009-05-27 Perkins Engines Company Limited Moteur à combustion interne ayant un refroidissement de gaz d'échappement dans une enveloppe de refroidissement
FR2935436B1 (fr) * 2008-08-29 2010-09-17 Peugeot Citroen Automobiles Sa Boucle de recirculation de gaz d'echappement.
FR2944061B1 (fr) * 2009-04-07 2011-04-01 Renault Sas Systeme d'echappement de vehicule automobile.
FR3005997B1 (fr) * 2013-05-22 2015-06-19 Peugeot Citroen Automobiles Sa Moteur de vehicule automobile a recirculation de gaz d'echappement a refroidissement ameliore
US9664153B2 (en) * 2015-03-13 2017-05-30 Ford Global Technologies, Llc Engine with exhaust gas recirculation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4319380A1 (de) * 1992-06-12 1993-12-16 Avl Verbrennungskraft Messtech Brennkraftmaschine mit einem Abgasturbolader

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
JPS5289721A (en) * 1976-01-20 1977-07-27 Taiho Kogyo Co Ltd Egr controlling system made of aluminum alloy
IT8053504V0 (it) * 1980-09-12 1980-09-12 Fiat Auto Spa Dispositivo per il riscaldamento del collettore di aspirazione dei motori a combustione interna
JPS5949755U (ja) * 1982-09-27 1984-04-02 本田技研工業株式会社 内燃エンジン
JPS6318169A (ja) * 1986-07-09 1988-01-26 Honda Motor Co Ltd 排気還流通路を有するエンジンのシリンダヘツド
DE4310839A1 (de) * 1993-04-02 1994-10-06 Bayerische Motoren Werke Ag Luftverdichtende Einspritz-Brennkraftmaschine, insbesondere direkt einspritzende Dieselmaschine
JPH07259653A (ja) * 1994-03-25 1995-10-09 Kubota Corp エンジンの排ガス再循環装置
JPH09109995A (ja) * 1995-10-18 1997-04-28 Sanshin Ind Co Ltd 船外機用エンジン
DE19543290C2 (de) * 1995-11-21 1998-07-02 Man Nutzfahrzeuge Ag Abgasrückführung an aufgeladenen Brennkraftmaschinen
DE19642685A1 (de) * 1996-10-16 1998-04-23 Daimler Benz Ag Einrichtung zur Abgasrückführung und Sekundärluftzufuhr für eine Brennkraftmaschine
AT2490U1 (de) * 1997-11-28 1998-11-25 Avl List Gmbh Kühleranordnung für eine aufgeladene brennkraftmaschine mit abgasrückführung
AT411546B (de) * 1998-01-15 2004-02-25 Man Steyr Ag Flüssigkeitsgekühlte brennkraftmaschine mit abgasrückführeinrichtung und einer vorrichtung zur kühlung rückgeführten abgases

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4319380A1 (de) * 1992-06-12 1993-12-16 Avl Verbrennungskraft Messtech Brennkraftmaschine mit einem Abgasturbolader

Also Published As

Publication number Publication date
EP1063411A2 (fr) 2000-12-27
DE19929449A1 (de) 2000-12-28
EP1063411A3 (fr) 2001-07-11
DE50007662D1 (de) 2004-10-14

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