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EP1826391A3 - Exhaust gas recirculation device - Google Patents

Exhaust gas recirculation device Download PDF

Info

Publication number
EP1826391A3
EP1826391A3 EP06126368A EP06126368A EP1826391A3 EP 1826391 A3 EP1826391 A3 EP 1826391A3 EP 06126368 A EP06126368 A EP 06126368A EP 06126368 A EP06126368 A EP 06126368A EP 1826391 A3 EP1826391 A3 EP 1826391A3
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
gas recirculation
recirculation device
venturi nozzle
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.)
Withdrawn
Application number
EP06126368A
Other languages
German (de)
French (fr)
Other versions
EP1826391A2 (en
Inventor
Rafael Weisz
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.)
Mahle International GmbH
Original Assignee
Mahle International GmbH
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 Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP1826391A2 publication Critical patent/EP1826391A2/en
Publication of EP1826391A3 publication Critical patent/EP1826391A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/18—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having elastic-wall valve members
    • 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
    • F02M26/09—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine
    • F02M26/10—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine having means to increase the pressure difference between the exhaust and intake system, e.g. venturis, variable geometry turbines, check valves using pressure pulsations or throttles in the air intake or exhaust system
    • 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
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/19—Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system
    • 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
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/21—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system with EGR valves located at or near the connection to the intake system
    • 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
    • F02M26/65—Constructional details of EGR valves
    • F02M26/66—Lift valves, e.g. poppet valves
    • F02M26/67—Pintles; Spindles; Springs; Bearings; Sealings; Connections to actuators
    • 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
    • F02M26/65—Constructional details of EGR valves
    • F02M26/71—Multi-way valves
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10118—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements with variable cross-sections of intake ducts along their length; Venturis; Diffusers
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10137—Flexible ducts, e.g. bellows or hoses
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • 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
    • F02B29/0437—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
    • F02M26/02—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
    • F02M26/22—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
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/53—Systems for actuating EGR valves using electric actuators, e.g. solenoids
    • F02M26/54—Rotary actuators, e.g. step motors
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1015—Air intakes; Induction systems characterised by the engine type
    • F02M35/10157—Supercharged engines

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)

Abstract

Die vorliegende Erfindung betrifft eine Abgasrückführeinrichtung (6) für eine Brennkraftmaschine (1), insbesondere in einem Kraftfahrzeug. Die Abgasrückführeinrichtung (6) umfasst eine Rückführleitung (7) sowie einen Frischgasleitungsabschnitt (8), in dem in einem Einleitungsbereich (9) eine Venturidüse (10) ausgebildet ist. Dabei mündet die Rückführleitung (7) in einem Niederdruckbereich (11) der Venturidüse (10) in den Frischgasleitungsabschnitt (8) ein.The present invention relates to an exhaust gas recirculation device (6) for an internal combustion engine (1), in particular in a motor vehicle. The exhaust gas recirculation device (6) comprises a return line (7) and a fresh gas line section (8) in which a Venturi nozzle (10) is formed in an inlet region (9). In this case, the return line (7) opens into the fresh gas line section (8) in a low pressure region (11) of the venturi nozzle (10).

Um eine Abgasrückführung in einem möglichst großen Betriebsbereich der Brennkraftmaschine (1) zu ermöglichen, weist die Venturidüse (10) einen variablen Durchströmungsquerschnitt auf.

Figure imgaf001
In order to enable exhaust gas recirculation in the largest possible operating range of the internal combustion engine (1), the Venturi nozzle (10) has a variable flow cross-section.
Figure imgaf001
EP06126368A 2006-02-24 2006-12-18 Exhaust gas recirculation device Withdrawn EP1826391A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006009153A DE102006009153A1 (en) 2006-02-24 2006-02-24 Exhaust gas recirculation device

Publications (2)

Publication Number Publication Date
EP1826391A2 EP1826391A2 (en) 2007-08-29
EP1826391A3 true EP1826391A3 (en) 2010-09-01

Family

ID=38038925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06126368A Withdrawn EP1826391A3 (en) 2006-02-24 2006-12-18 Exhaust gas recirculation device

Country Status (3)

Country Link
US (1) US7353811B2 (en)
EP (1) EP1826391A3 (en)
DE (1) DE102006009153A1 (en)

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DE102005020484A1 (en) * 2005-04-29 2006-11-02 Mahle International Gmbh Exhaust gas recirculation device for internal combustion engine, has exhaust gas recirculation valve for controlling exhaust gas recirculation line and comprising actuating device for axially adjusting sleeve relative to fresh-air duct
EP1957783B1 (en) * 2005-11-29 2016-07-06 Volvo Lastvagnar AB Exhaust gas recirculation mixer for a turbo-charged internal combustion engine
FR2917131A1 (en) * 2007-06-06 2008-12-12 Renault Sas Internal combustion engine e.g. direct injection type oil engine, for motor vehicle, has injection device with aerodynamic conditioning units for causing ordered turbulent flow around determined injection axis in recirculated exhaust gases
DE102007045623B4 (en) * 2007-09-24 2009-07-23 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Method and apparatus for improving exhaust gas recirculation of an internal combustion engine
FR2921433B1 (en) * 2007-09-25 2009-11-06 Mann & Hummel Gmbh DEVICE FOR ROTATING AND MIXING EXHAUST GAS RECYCLED IN THE SUCTION TUBE OF AN INTERNAL COMBUSTION ENGINE.
DE102007061324A1 (en) * 2007-12-19 2009-06-25 Boa Balg- Und Kompensatoren-Technologie Gmbh Device for intake manifold of exhaust-gas recirculation system of combustion engine, has exhaust pipe, where gas outlet end of exhaust pipe is formed as injector nozzle
FR2929677B1 (en) * 2008-04-02 2013-02-15 Renault Sas DEVICE FOR CAPTURING A CONDUIT.
US9051900B2 (en) * 2009-01-13 2015-06-09 Avl Powertrain Engineering, Inc. Ejector type EGR mixer
US7886727B2 (en) * 2009-05-26 2011-02-15 Ford Global Technologies, Llc Variable venturi system and method for engine
ITMI20091080A1 (en) * 2009-06-18 2010-12-19 Dellorto Spa EGR CONTROL SYSTEM AND EQUIPMENT IN THE POWER SUPPLY SYSTEM FOR SUPERVISED INTERNAL COMBUSTION ENGINES
US10196993B2 (en) * 2009-09-08 2019-02-05 Ge Global Sourcing Llc System and method for operating a turbocharged engine
DE102009053428A1 (en) * 2009-11-19 2011-06-09 Pierburg Gmbh Actuator for converting a rotary motion into a linear motion
DE102009056251B4 (en) 2009-12-01 2014-01-09 Pierburg Gmbh Valve device for an internal combustion engine
US8056546B2 (en) * 2010-03-24 2011-11-15 Ford Global Technologies, Llc Multi-function throttle valve
US8056340B2 (en) * 2010-08-17 2011-11-15 Ford Global Technologies, Llc EGR mixer for high-boost engine systems
US8689553B2 (en) * 2011-01-18 2014-04-08 GM Global Technology Operations LLC Exhaust gas recirculation system for an internal combustion engine
US9498592B2 (en) * 2012-01-23 2016-11-22 Aeon Research And Technology, Inc. Modular pulmonary treatment system
DE102012101851B4 (en) * 2012-03-06 2014-06-05 Pierburg Gmbh Abgaseinleitvorrichtung for an internal combustion engine
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US20130319381A1 (en) * 2012-05-30 2013-12-05 GM Global Technology Operations LLC Engine including venturi in intake air flow path for exhaust gas recirculation supply
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US20140174078A1 (en) * 2012-12-20 2014-06-26 Caterpillar Inc. Egr system having flow restricting valve
US10465637B2 (en) 2013-02-28 2019-11-05 Bendix Commercial Vehicle Systems, Llc Method to enhance gas recirculation in turbocharged diesel engines
JP6056748B2 (en) * 2013-12-20 2017-01-11 トヨタ自動車株式会社 Supercharged engine EGR system
EP2957835B1 (en) * 2014-06-18 2018-03-21 Ansaldo Energia Switzerland AG Method for recirculation of exhaust gas from a combustion chamber of a combustor of a gas turbine and gas turbine for conducting said method
US9574528B2 (en) * 2014-12-17 2017-02-21 Caterpillar Inc. Exhaust gas recirculation adapter
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JP7025321B2 (en) * 2015-08-28 2022-02-24 デイコ アイピー ホールディングス，エルエルシー Limiter with Venturi effect
US9885296B2 (en) * 2015-11-18 2018-02-06 Ford Global Technologies, Llc Method and system for vacuum generation using a throttle body comprising a slidable throttle valve
US10060365B2 (en) * 2015-11-18 2018-08-28 Ford Global Technologies, Llc Method and system for vacuum generation using a throttle body comprising a slidable throttle valve
CN105570931B (en) * 2015-12-30 2017-12-01 中国科学院工程热物理研究所 It is a kind of can ejection burner outlet fluid burner
DE102016003003B4 (en) * 2016-03-11 2017-10-12 Mtu Friedrichshafen Gmbh Feed arrangement for the introduction of recirculated exhaust gas
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FR3060664A1 (en) * 2016-12-21 2018-06-22 Valeo Systemes De Controle Moteur EXHAUST GAS CIRCULATION ASSEMBLY OF A THERMAL ENGINE
FR3060665B1 (en) * 2016-12-21 2021-02-19 Valeo Systemes De Controle Moteur THERMAL ENGINE EXHAUST GAS CIRCULATION ASSEMBLY
CN108131221B (en) * 2017-12-20 2020-06-02 广州汽车集团股份有限公司 Waste gas recirculation system for gasoline engine and control method
CN109653905B (en) * 2018-12-29 2021-01-05 天津大学 Ship engine EGR system with venturi tube with variable throat diameter and using method
CN110878729B (en) * 2019-12-10 2020-10-30 潍柴动力股份有限公司 Method and system for self-cleaning waste gas venturi tube for engine
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US6886544B1 (en) * 2004-03-03 2005-05-03 Caterpillar Inc Exhaust gas venturi injector for an exhaust gas recirculation system

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Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
FR2326235A1 (en) * 1975-10-01 1977-04-29 Renault VARIABLE FLOW ELASTIC NOZZLE
GB2266340A (en) * 1992-04-16 1993-10-27 Halton Oy Air flow regulating and silencing apparatus
DE4429232C1 (en) * 1994-08-18 1995-09-07 Daimler Benz Ag Exhaust back guiding device for charged combustion engine
JPH08319901A (en) * 1995-05-25 1996-12-03 Yamaha Motor Co Ltd Exhaust recirculating device for internal combustion engine with supercharger
US6886544B1 (en) * 2004-03-03 2005-05-03 Caterpillar Inc Exhaust gas venturi injector for an exhaust gas recirculation system

Also Published As

Publication number Publication date
EP1826391A2 (en) 2007-08-29
US7353811B2 (en) 2008-04-08
US20070199549A1 (en) 2007-08-30
DE102006009153A1 (en) 2007-08-30

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