WO2014048545A1 - Dispositif et procédé de recirculation des gaz d'échappement - Google Patents

Dispositif et procédé de recirculation des gaz d'échappement Download PDF

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Publication number
WO2014048545A1
WO2014048545A1 PCT/EP2013/002705 EP2013002705W WO2014048545A1 WO 2014048545 A1 WO2014048545 A1 WO 2014048545A1 EP 2013002705 W EP2013002705 W EP 2013002705W WO 2014048545 A1 WO2014048545 A1 WO 2014048545A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
bank
exhaust
internal combustion
combustion engine
Prior art date
Application number
PCT/EP2013/002705
Other languages
German (de)
English (en)
Inventor
Markus KNÜTTGEN
Stephan SCHLUCH
Original Assignee
Deutz Aktiengesellschaft
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 Deutz Aktiengesellschaft filed Critical Deutz Aktiengesellschaft
Priority to EP13765642.7A priority Critical patent/EP2900953A1/fr
Publication of WO2014048545A1 publication Critical patent/WO2014048545A1/fr

Links

Classifications

    • 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
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0412—Multiple heat exchangers arranged in parallel or in series
    • 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
    • F02M26/13—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
    • F02M26/43—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 in which exhaust from only one cylinder or only a group of cylinders is directed to the intake of the engine
    • 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

Definitions

  • the invention relates to an apparatus and a method for exhaust gas recirculation.
  • Such a device for exhaust gas recirculation with an EGR valve, which is arranged in the EGR line upstream of the EGR cooler, is also disclosed in WO 2012045673 A1.
  • DE 10 2006 056 708 B4 shows methods for exhaust gas recirculation, inter alia in a V-engine.
  • an internal combustion engine which is equipped in particular with at least two cylinder banks, comprising at least one intake tract and at least one exhaust tract, at least one compressor or turbocharger and at least one charge air cooler and at least one device for removing at least one partial exhaust gas stream for the purpose of exhaust gas recirculation and at least one Radiator for cooling the partial exhaust stream and at least one, in particular in the region of the intake tract arranged device for supplying the recirculated exhaust gas.
  • the exhaust gas values comply with the legal requirements. Further advantageous embodiments are contained in the subclaims.
  • Figure 1 is a side view of an ATL console
  • FIG. 2 shows the opposite side view of FIG. 1
  • FIG. 3 is a schematic representation of the present invention
  • FIG 4 is a schematic representation of the invention with alternative
  • FIGS 5a, 5b, 5c different representations of the ATL console
  • FIGS 1 and 2 show an exhaust gas turbocharger (ATL) console 5, which is fastened by means of a mounting flange 26 to the internal combustion engine 7.
  • the ATL console 5 has a central exhaust gas recirculation flange 1, the A bank exhaust gas recirculation flow to the EGR cooler 2 and B-Bank exhaust back lead to the EGR cooler 3 contains.
  • the ATL console 5 exhaust flange A-Bank 27 and exhaust flange B-Bank 28th
  • FIG. 3 shows an ATL console 5, which is connected to the exhaust-gas turbocharger (ATL) 9 by means of an ATL flange 6.
  • the internal combustion engine 7 is embodied as a V-type engine in FIG. 3 and has two cylinder banks, these being the A-bank 11 and the B-bank 12.
  • the engine control unit (ECU) 8 controls the internal combustion engine 7 and is also actuated. a. connected to the delta P sensor 14 and the EGR valve 15. Furthermore, the air inlet valve 23 arranged downstream of the charge air cooler 10 in the flow direction of the charge or fresh air 24 is actuated by the ECU 8.
  • the charge air is supplied respectively to the cylinders of the A-bank 11 and the B-bank 12 for the purpose of combustion. After the combustion, the exhaust gas escapes the cylinders of the A-bank 11 and the B-bank 12 and is supplied to the ATL console 5.
  • the two exhaust gas lines are split, so that a partial flow of the A-bank 11 and a partial flow of the B-Bank leave the ATL console 5 via flange 6 in the direction of ATL 9 to drive the ATL 9 and then leave this as exhaust 25.
  • a partial flow of the A-bank passes through the EGR inlet 17 through the EGR valve 15 in the EGR cooler gas cassette.
  • a partial flow of the B-bank 12 passes through the EGR inlet 17 through the EGR valve 15 in the EGR cooler gas cassette 2.
  • the EGR cooler gas cassette 1 and the EGR cooler gas cassette 2 are substantially on an outer longitudinal side of the Internal combustion engine 7 is arranged.
  • the EGR cooler gas cartridges 1 and 2 have at least one flutter valve 16 in the region of the EGR outlet 18.
  • the EGR cooler gas cartridges 1 and 2 have a coolant inlet 19 and a coolant outlet 20.
  • FIG. 4 shows an ATL console 5, which is connected to the ATL 9 by means of an ATL flange 6.
  • the internal combustion engine 7 is likewise designed as a V-type engine in FIG. 4 and has two cylinder banks, these being the A Bank 11 and B-bank 12.
  • the engine controller (ECU) 8 controls the engine 7 and is connected to, among others, the temperature sensor and the delta P sensor 14 and the EGR valve 15. Furthermore, the air inlet valve 23 arranged downstream of the charge air cooler 10 in the flow direction of the charge or fresh air 24 is actuated by the ECU 8. The charge air is supplied respectively to the cylinders of the A-bank 11 and the B-bank 12 for the purpose of combustion.
  • the exhaust gas escapes the cylinders of the A-bank 11 and the B-bank 12 and is supplied to the ATL console 5.
  • the exhaust gas of the A-bank 11 is branched in the ATL console 5
  • the exhaust gas of the B-bank is branched in the variant of Figure 4 before entering the ATL console 5.
  • One partial flow of the B-bank exhaust gases goes into the ATL console 5 and there directly via flange 6 to the ATL 9, the other partial flow of the B bank exhaust gases passes directly through the EGR inlet 17 into the EGR cooler gas cassette. 2
  • the exhaust line of the A-bank 11 is divided, so that a partial flow of the A-bank 11 leaves the ATL console 5 via flange 6 in the direction ATL 9 to drive the ATL 9 and this then as exhaust 25th to leave.
  • the other partial flow of the A-bank passes through the EGR inlet 17 through the EGR valve 15 into the EGR cooler gas cassette 1.
  • a partial flow of the B-bank 12 passes through the EGR inlet 17 through the EGR valve 15 in the EGR cooler gas cassette 2.
  • the EGR cooler gas cassette 1 and the EGR cooler gas cassette 2 are substantially on an outer longitudinal side of the Internal combustion engine 7 is arranged.
  • the EGR cooler gas cassette 1 and 2 have at least one flutter valve 16 in the region of the EGR outlet 18.
  • the EGR cooler gas cartridges 1 and 2 have a coolant inlet 19 and a coolant outlet 20.
  • the flow path of the fresh charge air 24 from the inlet to the exhaust gas turbocharger 9 until it leaves the exhaust gas is described below as exhaust gas. After the fresh air 24 has been sucked in by the ATL 9, it passes into the intercooler 10 according to a pressure gradient, which cools the charge air.
  • the cooled charge air then passes from the engine After the fresh charge air has passed through the air inlet valve 23, it is mixed with the recirculated and also cooled exhaust gas.
  • This common gas flow of fresh charge air and recirculated exhaust gas enters the inlet region of the cylinders of the A-bank 11 and the B-bank 12 of the engine 7. After a combustion process of a fuel-gas mixture within the cylinders of the engine 7, this passes as exhaust gas the A-bank 11 and the B-bank 12 leaving gas in the range of ATL console 5, within which the respective exhaust gas streams are divided.
  • a part of the exhaust gas stream from the A-bank 11 is forwarded by means of partial opening in the flange 6 to the ATL 9 for the purpose of driving the ATL 9, which leaves the ATL 9 as exhaust gas 25.
  • a portion of the exhaust gas stream from the B-bank 12 is forwarded by means of the other partial opening in the flange 6 to the ATL 9 for the purpose of driving the ATL 9, which also leaves the ATL 9 as exhaust gas 25.
  • the other partial flow of the exhaust gas of the A- and B-Bank passes via EGR inlet 17 and EGR valve 15 in the EGR cooler and here in gas cassette 1 and 2. Then leave the recirculated exhaust gas partial streams via EGR outlet, the EGR cooler 21, 22 and pass the temperature sensor 13 and the delta P sensor 14, which communicate with the ECU 8. Subsequently, the recirculated exhaust gas partial streams are combined with the fresh charge air 24 and fed to the inlet region of the internal combustion engine 7.
  • the EGR cooler 21, 22 is acted upon with exhaust gas.
  • the EGR coolers 21, 22 are arranged on a motor longitudinal side substantially parallel to each other.
  • the present invention is applicable to V-engines with a turbocharger (so-called single or mono turbo, double-flow), which is charged with at least one tide of the cylinder banks (in the further bank A and bank B), or for multi-stage charging concepts, which have a central junction of the exhaust lines.
  • the special flow-optimized channel guide is shown in FIGS. 5a, 5b, 5c.
  • ATL exhaust gas turbocharger
  • a central exhaust gas sampling point Pos. 1 is shown, which is acted upon by the gas flows of both banks of cylinders.
  • the Floods always stay separate.
  • the design of the duct guide is chosen so that the applied exhaust gas mass flow for the return allows a symmetrical supply of an exhaust gas cooler.
  • the described central removal takes place either in the version to the A- or to the B-Bank side or in motor axis direction (see sketch pos. 4).
  • the arrangement of the turbocharger is above the ATL console.
  • the supply of the exhaust gas takes place in the described embodiment per bank einflutig.
  • a branch is provided from the main channel for EGR removal. In this case, the supply channel arranged on the removal side makes a 180 ° turn, the opposite runs straight (2 and 3 Pos.), As can be seen in particular in Figures 5a, 5b, 5c.

Landscapes

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

Abstract

L'invention concerne un moteur à combustion interne, présentant en particulier deux rangées de cylindres, qui comprend au moins une tubulure d'admission et au moins une tubulure d'échappement, au moins un compresseur ou un turbocompresseur à gaz d'échappement et au moins un refroidisseur d'air de suralimentation ainsi qu'au moins un dispositif pour prélever au moins un flux partiel de gaz d'échappement à des fins de recirculation des gaz d'échappement et au moins un radiateur ainsi qu'au moins un dispositif, disposé en particulier dans la zone de la tubulure d'échappement, servant à acheminer les gaz d'échappement remis en circulation.
PCT/EP2013/002705 2012-09-29 2013-09-10 Dispositif et procédé de recirculation des gaz d'échappement WO2014048545A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13765642.7A EP2900953A1 (fr) 2012-09-29 2013-09-10 Dispositif et procédé de recirculation des gaz d'échappement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012019240.1 2012-09-29
DE102012019240.1A DE102012019240A1 (de) 2012-09-29 2012-09-29 Vorrichtung und Verfahren zur Abgasrückführung

Publications (1)

Publication Number Publication Date
WO2014048545A1 true WO2014048545A1 (fr) 2014-04-03

Family

ID=49226111

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/002705 WO2014048545A1 (fr) 2012-09-29 2013-09-10 Dispositif et procédé de recirculation des gaz d'échappement

Country Status (3)

Country Link
EP (1) EP2900953A1 (fr)
DE (1) DE102012019240A1 (fr)
WO (1) WO2014048545A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6324847B1 (en) * 2000-07-17 2001-12-04 Caterpillar Inc. Dual flow turbine housing for a turbocharger in a divided manifold exhaust system having E.G.R. flow
US20040074480A1 (en) * 2002-10-21 2004-04-22 Kai Chen Divided exhaust manifold system and method
WO2005001270A1 (fr) * 2003-06-27 2005-01-06 Avl List Gmbh Moteur a combustion interne
DE102009051027A1 (de) * 2009-10-28 2011-05-05 Audi Ag Antriebsaggregat sowie Verfahren zum Betreiben eines Antriebsaggregats
DE102008013254B4 (de) 2008-03-08 2011-08-25 Ford Global Technologies, LLC, Mich. Verfahren zum Betreiben einer Brennkraftmaschine mit Abgasrückführung
WO2011151379A1 (fr) * 2010-06-02 2011-12-08 Avl List Gmbh Moteur à combustion interne
DE102006056708B4 (de) 2006-11-30 2012-03-08 Robert Bosch Gmbh Verfahren, Vorrichtung und Computerprogramm zur Bestimmung zylinderindividueller Verbrennugsmerkmale einer Brennkraftmaschine
WO2012045673A1 (fr) 2010-10-05 2012-04-12 Mahle International Gmbh Filtre de recirculation de gaz d'échappement, moteur à combustion interne

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008046594A1 (de) * 2008-07-18 2010-01-21 Mahle International Gmbh Ventileinrichtung
DE102012004009A1 (de) * 2012-02-25 2012-09-13 Daimler Ag Abgasverteiler

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6324847B1 (en) * 2000-07-17 2001-12-04 Caterpillar Inc. Dual flow turbine housing for a turbocharger in a divided manifold exhaust system having E.G.R. flow
US20040074480A1 (en) * 2002-10-21 2004-04-22 Kai Chen Divided exhaust manifold system and method
WO2005001270A1 (fr) * 2003-06-27 2005-01-06 Avl List Gmbh Moteur a combustion interne
DE102006056708B4 (de) 2006-11-30 2012-03-08 Robert Bosch Gmbh Verfahren, Vorrichtung und Computerprogramm zur Bestimmung zylinderindividueller Verbrennugsmerkmale einer Brennkraftmaschine
DE102008013254B4 (de) 2008-03-08 2011-08-25 Ford Global Technologies, LLC, Mich. Verfahren zum Betreiben einer Brennkraftmaschine mit Abgasrückführung
DE102009051027A1 (de) * 2009-10-28 2011-05-05 Audi Ag Antriebsaggregat sowie Verfahren zum Betreiben eines Antriebsaggregats
WO2011151379A1 (fr) * 2010-06-02 2011-12-08 Avl List Gmbh Moteur à combustion interne
WO2012045673A1 (fr) 2010-10-05 2012-04-12 Mahle International Gmbh Filtre de recirculation de gaz d'échappement, moteur à combustion interne

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2900953A1 *

Also Published As

Publication number Publication date
EP2900953A1 (fr) 2015-08-05
DE102012019240A1 (de) 2014-04-03

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