EP1327769A2 - Moteur à combustion interne avec recirculation de gaz d'échappement - Google Patents

Moteur à combustion interne avec recirculation de gaz d'échappement Download PDF

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Publication number
EP1327769A2
EP1327769A2 EP03000240A EP03000240A EP1327769A2 EP 1327769 A2 EP1327769 A2 EP 1327769A2 EP 03000240 A EP03000240 A EP 03000240A EP 03000240 A EP03000240 A EP 03000240A EP 1327769 A2 EP1327769 A2 EP 1327769A2
Authority
EP
European Patent Office
Prior art keywords
air
internal combustion
exhaust gas
combustion engine
heat exchanger
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.)
Granted
Application number
EP03000240A
Other languages
German (de)
English (en)
Other versions
EP1327769A3 (fr
EP1327769B1 (fr
Inventor
Wolfgang Beberdick
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.)
Deutz AG
Original Assignee
Deutz 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7712088&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1327769(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Deutz AG filed Critical Deutz AG
Publication of EP1327769A2 publication Critical patent/EP1327769A2/fr
Publication of EP1327769A3 publication Critical patent/EP1327769A3/fr
Application granted granted Critical
Publication of EP1327769B1 publication Critical patent/EP1327769B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • F02M26/13—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
    • F02M26/31—Air-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
    • F02M26/29—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

Definitions

  • the invention relates to an internal combustion engine with a crankcase, in which a crankshaft is rotatably mounted, at least a connecting rod carrying a piston is articulated, the Piston in one of a cylinder head to form a work space covered cylinder is movable and the work area Fresh gas can be supplied from a fresh gas line and exhaust gas can be discharged into an exhaust pipe and the Exhaust line and the fresh gas line via an air-cooled return line are connected.
  • Such an internal combustion engine is known from DE 195 41 362 C1.
  • the return line for the exhaust gas from the exhaust line to the Fresh gas line is used to enhance the cooling effect and the convection surface Provide cooling fins on the outer surface.
  • pure convection cooling is provided.
  • the invention has for its object the cooling of the return line to improve.
  • This problem is solved in that the return line in a section formed as an air-exhaust gas heat exchanger directly is arranged on the internal combustion engine and that the air-exhaust gas heat exchanger from an existing cooling air flow of the internal combustion engine is flowed through.
  • This training can be done without a significant additional effort and without significant changes intensive cooling can be achieved on the internal combustion engine.
  • the cooling air flow from one in the internal combustion engine integrated cooling air blower promoted.
  • a cooling air blower especially in an air and / or oil-cooled Internal combustion engine available, so that according to the invention only the additional air-exhaust gas heat exchanger is provided and to be built in.
  • basically known and existing air-exhaust gas heat exchangers can be used.
  • the air-exhaust gas heat exchanger arranged in the exhaust air flow of the engine cooling system. It is again provided in a further embodiment the air-exhaust gas heat exchanger along at least part of the Arrange cylinder head of the internal combustion engine, wherein between the air-exhaust gas heat exchanger and the cylinder head an air-liquid heat exchanger for the oil or air cooled internal combustion engine is arranged. It is still the case that the cooling air blower the cooling air flow along the cylinder head and / or through promotes part of the cylinder head through, with a partial flow of conveyed cooling air first through the air-liquid heat exchanger and then conveyed through the air-exhaust gas heat exchanger becomes. Here, if at all, only the conveying capacity is required of the cooling air blower to the slightly increased flow resistance adapted by the additional air-exhaust gas heat exchanger to become.
  • the single figure shows an internal combustion engine designed according to the invention, which is a self-igniting, four-cylinder internal combustion engine is.
  • the internal combustion engine has a crankcase 1, which is limited at the bottom by an oil pan 2.
  • a crankshaft mounted on the four connecting rods are correspondingly carrying four pistons.
  • the pistons are in Cylinders that are part of the crankcase, movable and between the pistons and a cylinder head covering the cylinders a working room is formed.
  • the work space is via a gas exchange device in the form of at least one inlet valve
  • Fresh gas (combustion air) from a fresh gas line in the form an intake line or charge air line 3 can be supplied and exhaust gas via at least one exhaust valve into a below the charge air line 3 arranged exhaust pipe can be removed.
  • the crankshaft drives behind a protective housing 4 arranged toothed belt on a camshaft that the actuating cam for gas exchange devices and cams for injection pump elements carries, the injection pump elements approximately arranged parallel to the individual cylinders behind a cover 5 are.
  • These injection pump elements are via short injection lines with injectors arranged in the cylinder head, that protrude into the individual work rooms.
  • V-belt wheel 6 In front of the protective housing 4 there is a V-belt wheel 6 on the crankshaft mounted, which drives a cooling air blower 8 via a V-belt 7. An alternator is integrated in the cooling air blower 8.
  • Oil connections 9 for example for a vehicle interior heat exchanger
  • an oil filter 10 arranged below the cover 5 .
  • a fuel filter 11 and in front of it an oil filler neck 12 and an oil dipstick 13 are arranged.
  • the internal combustion engine shown is oil / air cooled and the cooling air fan 8 conveys the cooling air along the row of cylinders and along the cylinder head.
  • a partial flow of the conveyed cooling air is by an air-oil heat exchanger arranged in the area of the cylinder head passed, above this heat exchanger
  • Air-exhaust gas heat exchanger 14 is arranged through which the cooling air also flows through and emerges upwards into the environment.
  • the air-exhaust gas heat exchanger has end boxes 15a, 15b, wherein the end box 15a via a line 16 to the charge air line 3 connected is.
  • This line 16 and the air-exhaust gas heat exchanger 14 are a part of an exhaust gas recirculation line, the End box 15b connected to the exhaust pipe via a control valve is.
  • the exhaust gas thus flows into the air-exhaust gas heat exchanger via the end box 15b 14, is cooled and reaches the end box 15a and line 16 in the charge air line 3.

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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP03000240A 2002-01-15 2003-01-08 Moteur à combustion interne avec recirculation de gaz d'échappement Revoked EP1327769B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10201122A DE10201122A1 (de) 2002-01-15 2002-01-15 Brennkraftmaschine mit Abgasrückführung
DE10201122 2002-01-15

Publications (3)

Publication Number Publication Date
EP1327769A2 true EP1327769A2 (fr) 2003-07-16
EP1327769A3 EP1327769A3 (fr) 2004-12-08
EP1327769B1 EP1327769B1 (fr) 2006-04-12

Family

ID=7712088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03000240A Revoked EP1327769B1 (fr) 2002-01-15 2003-01-08 Moteur à combustion interne avec recirculation de gaz d'échappement

Country Status (3)

Country Link
EP (1) EP1327769B1 (fr)
AT (1) ATE323225T1 (fr)
DE (2) DE10201122A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007054954A1 (de) * 2007-11-17 2009-05-20 Deutz Ag Luftgekühlte Brennkraftmaschine
EP2128421A3 (fr) * 2008-05-30 2013-01-23 DEUTZ Aktiengesellschaft Moteur à combustion interne doté d'une récupération des gaz d'échappement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005059006A1 (de) * 2005-12-08 2007-06-14 Deutz Ag Abgasrückführung einer Brennkraftmaschine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19541362C1 (de) 1995-11-07 1997-01-23 Mtu Friedrichshafen Gmbh Abgasrückführung bei Dieselmotoren

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240239C2 (de) * 1992-12-01 1995-11-30 Wolfgang Schmitz Verbrennungskraftmaschine
DE19736500A1 (de) * 1997-08-22 1998-12-24 Daimler Benz Ag Mehrzylindrige Brennkraftmaschine mit V-förmig angeordneten Zylinderreihen
AT2490U1 (de) * 1997-11-28 1998-11-25 Avl List Gmbh Kühleranordnung für eine aufgeladene brennkraftmaschine mit abgasrückführung
AT2539U1 (de) * 1997-12-22 1998-12-28 Avl List Gmbh Brennkraftmaschine mit mindestens einem abgasturbolader
US6213074B1 (en) * 1999-07-13 2001-04-10 Detroit Diesel Corporation Internal combustion engine with wedge-shaped cylinder head and integral intake manifold and rocker cover therefor
IT1320352B1 (it) * 2000-05-12 2003-11-26 Iveco Fiat Motore endotermico provvisto di un impianto di ricircolo di gas discarico, in particolare per un veicolo.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19541362C1 (de) 1995-11-07 1997-01-23 Mtu Friedrichshafen Gmbh Abgasrückführung bei Dieselmotoren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007054954A1 (de) * 2007-11-17 2009-05-20 Deutz Ag Luftgekühlte Brennkraftmaschine
EP2128421A3 (fr) * 2008-05-30 2013-01-23 DEUTZ Aktiengesellschaft Moteur à combustion interne doté d'une récupération des gaz d'échappement

Also Published As

Publication number Publication date
DE50302925D1 (de) 2006-05-24
EP1327769A3 (fr) 2004-12-08
ATE323225T1 (de) 2006-04-15
EP1327769B1 (fr) 2006-04-12
DE10201122A1 (de) 2003-07-24

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