EP0732490B1 - Moteur diesel turbosuralimenté - Google Patents

Moteur diesel turbosuralimenté Download PDF

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Publication number
EP0732490B1
EP0732490B1 EP96301360A EP96301360A EP0732490B1 EP 0732490 B1 EP0732490 B1 EP 0732490B1 EP 96301360 A EP96301360 A EP 96301360A EP 96301360 A EP96301360 A EP 96301360A EP 0732490 B1 EP0732490 B1 EP 0732490B1
Authority
EP
European Patent Office
Prior art keywords
venturi
flow
engine
diesel engine
flow line
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
EP96301360A
Other languages
German (de)
English (en)
Other versions
EP0732490A2 (fr
EP0732490A3 (fr
Inventor
Rod Radovanovic
A.S. Ghuman
Gregory H. Henderson
Angela R. May
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.)
Cummins Inc
Original Assignee
Cummins Engine Co Inc
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 Cummins Engine Co Inc filed Critical Cummins Engine Co Inc
Publication of EP0732490A2 publication Critical patent/EP0732490A2/fr
Publication of EP0732490A3 publication Critical patent/EP0732490A3/fr
Application granted granted Critical
Publication of EP0732490B1 publication Critical patent/EP0732490B1/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
    • F02M26/13—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
    • 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
    • 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
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • F02D9/12—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having slidably-mounted valve members; having valve members movable longitudinally of conduit
    • 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
    • F02M26/02—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
    • F02M26/21—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

Claims (5)

  1. Un groupe moteur diesel turbosuralimenté comprenant un moteur diesel (11; 21; 56), un turbocompresseur (13; 23; 67), une conduite d'écoulement de gaz moteur (18, 18a; 40; 59; 77; 86; 114) partant du moteur diesel (11; 21; 56) pour acheminer le gaz moteur hors du moteur diesel, et une conduite d'écoulement d'air frais de suralimentation (15; 16; 32; 34; 70; 111) partant dudit turbocompresseur (13; 23; 67) vers ledit moteur diesel (11; 21; 56) pour fournir l'air frais de suralimentation dudit turbocompresseur audit moteur diesel;
    une conduite venturi (19; 41; 44; 57; 95; 110; 132) placée dans ladite conduite d'écoulement d'air frais de suralimentation (15; 16; 32; 34; 70; 111) entre ledit turbocompresseur (13; 23; 67) et ledit moteur (11; 21; 56), cette conduite venturi (19; 41; 44; 57; 95; 110; 132) ayant une zone de goulot de venturi (131) et définissant une voie d'écoulement pour l'air frais de suralimentation; et
    une vanne de commande (19a; 41a; 61; 75; 85; 130) rattachée à ladite zone de goulot de venturi (131), ayant une voie de passage (141) et étant disposée en communication d'écoulement avec ladite voie d'écoulement à travers ladite conduite venturi (19; 41; 44; 57; 95; 110; 132), ladite voie de passage (141) étant connectée en communication d'écoulement à ladite conduite d'écoulement de gaz moteur (18a; 40; 59), de sorte que le gaz moteur sortant du moteur diesel (11; 21; 56) et s'écoulant à travers ladite conduite d'écoulement de gaz moteur (18, 18a; 40; 59; 77; 86; 114) peut être mélangé avec l'air frais de suralimentation grâce à une faible pression statique créée par ladite zone de goulot de venturi (131), l'introduction du gaz moteur dans ladite conduite venturi (19; 41; 44; 57; 95; 110; 132) étant contrôlée par ladite vanne de commande (19a; 41a; 61; 75; 85; 130), caractérisée par le fait que ladite voie de passage (141) croise ladite voie d'écoulement à un emplacement qui coïncide avec ladite zone de goulot de venturi (131) et ladite voie de passage (141) est placée à un angle aigu (β) par rapport à ladite conduite venturi (19; 41; 57; 132) de sorte que, fonctionnant avec un flux de gaz moteur à travers ladite voie de passage (141) et un flux d'air frais de suralimentation à tr-avers ladite conduite venturi (19; 41; 57; 132), le gaz moteur entre dans le flux d'air frais de suralimentation à un angle aigu (β).
  2. Un groupe moteur diesel turbosuralimenté conformément à la Revendication 1 dans lequel ledit groupe moteur diesel turbosuralimenté comprend un postrefroidisseur (14; 33; 58) dans ladite conduite d'écoulement d'air frais de suralimentation (15; 32; 70; 111).
  3. Un groupe moteur diesel turbosuralimenté conformément à la Revendication 2 dans lequel ladite zone de goulot de venturi (131) est placée en aval dudite postrefroidisseur (14; 33) entre ledit postrefroidisseur (14; 33) et ledit moteur (11;21).
  4. Un groupe moteur diesel turbosuralimenté conformément à la Revendication 2 dans lequel ladite zone de goulot de venturi (131) est placée en amont dudit postrefroidisseur (58) entre ledit postrefroidisseur (58) et ledit turbocompresseur (67).
  5. Un groupe moteur diesel turbosuralimenté conformément à la Revendication 4 dans lequel le groupe moteur diesel turbosuralimenté comprend un filtre (60) dans ladite conduite d'écoulement de gaz moteur (59) en amont de ladite zone de goulot de venturi (131).
EP96301360A 1995-03-14 1996-02-28 Moteur diesel turbosuralimenté Expired - Lifetime EP0732490B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40405995A 1995-03-14 1995-03-14
US404059 1999-09-23

Publications (3)

Publication Number Publication Date
EP0732490A2 EP0732490A2 (fr) 1996-09-18
EP0732490A3 EP0732490A3 (fr) 1997-08-13
EP0732490B1 true EP0732490B1 (fr) 2001-04-11

Family

ID=23597973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96301360A Expired - Lifetime EP0732490B1 (fr) 1995-03-14 1996-02-28 Moteur diesel turbosuralimenté

Country Status (3)

Country Link
EP (1) EP0732490B1 (fr)
JP (1) JPH08270509A (fr)
DE (1) DE69612420T2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009020618A1 (de) 2009-05-09 2010-11-11 Daimler Ag Mischvorrichtung zum Zumischen eines Abgasrückführstroms in einen Ladeluftstrom einer Brennkraftmaschine
US11821389B2 (en) 2021-08-20 2023-11-21 Caterpillar Inc. Method and system for supplying fuel gas

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5974802A (en) * 1997-01-27 1999-11-02 Alliedsignal Inc. Exhaust gas recirculation system employing a fluidic pump
IT1291509B1 (it) * 1997-02-11 1999-01-11 Fiat Ricerche Motore a combustione a ciclo diesel, con ricircolo dei gas di scarico, provvisto di dispositivo miscelatore dei gas di ricircolo.
AT2539U1 (de) * 1997-12-22 1998-12-28 Avl List Gmbh Brennkraftmaschine mit mindestens einem abgasturbolader
FR2788565B1 (fr) * 1999-01-15 2001-02-09 Renault Vehicules Ind Collecteur d'admission comportant des moyens de raccordement a un circuit de recyclage des gaz d'echappement
US6408831B1 (en) * 2000-12-20 2002-06-25 Caterpillar Inc. System for controlling the temperature of an intake air
DE10226694A1 (de) * 2002-06-15 2003-12-24 Daimler Chrysler Ag Aufgeladene Brennkraftmaschine mit einer Kurbelgehäuseentlüftungseinrichtung
DE102006054956B4 (de) * 2006-11-22 2015-12-03 Man Diesel & Turbo Se Brennkraftmaschine
JP4986168B2 (ja) * 2008-07-10 2012-07-25 トヨタ自動車株式会社 ブローバイガス処理装置
JP5321088B2 (ja) * 2009-01-23 2013-10-23 トヨタ自動車株式会社 潤滑油回収装置
US8453626B2 (en) * 2011-08-26 2013-06-04 Concentric Skånes Fagerhult AB EGR venturi diesel injection
CN102953869A (zh) * 2012-11-27 2013-03-06 第一拖拉机股份有限公司 低排放直通外部冷却的废气再循环系统
JP6374804B2 (ja) * 2014-03-31 2018-08-15 株式会社クボタ エンジン
US10316803B2 (en) 2017-09-25 2019-06-11 Woodward, Inc. Passive pumping for recirculating exhaust gas
US10995705B2 (en) 2019-02-07 2021-05-04 Woodward, Inc. Modular exhaust gas recirculation system
CN213175878U (zh) 2020-01-08 2021-05-11 伍德沃德有限公司 排气气体再循环混合器和发动机系统
US11215132B1 (en) 2020-12-15 2022-01-04 Woodward, Inc. Controlling an internal combustion engine system
US11174809B1 (en) 2020-12-15 2021-11-16 Woodward, Inc. Controlling an internal combustion engine system

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US3149454A (en) * 1961-08-16 1964-09-22 Motoren Werke Mannheim Ag Gas engines
FR2271394B1 (fr) * 1974-05-15 1978-03-24 France Etat
DE3029435A1 (de) * 1978-07-19 1982-03-04 Walter 2105 Seevetal Franke Verfahren zum betrieb eines verbrennungskraftmotors, dieselmotors und verbrennungskraftmotor zur durchfuehrung des verfahrens
US4426848A (en) * 1981-11-20 1984-01-24 Dresser Industries, Inc. Turbocharged engine exhaust gas recirculation system
NL8401537A (nl) * 1984-05-11 1985-12-02 Tno Systeem en inrichting voor uitlaatgasrecirculatie bij verbrandingsmachine.
DE3831080C2 (de) * 1987-09-23 1996-06-20 Volkswagen Ag Abgasrückführung für eine Brennkraftmaschine
EP0489263B1 (fr) * 1990-11-06 1999-03-10 Mazda Motor Corporation Système de récirculation de gaz d'échappement pour un moteur à combustion interne
DE4038918A1 (de) * 1990-12-06 1992-06-11 Porsche Ag Mischvorrichtung fuer gasfoermige medien von brennkraftmaschinen
US5333456A (en) * 1992-10-01 1994-08-02 Carter Automotive Company, Inc. Engine exhaust gas recirculation control mechanism
EP0653559A1 (fr) * 1993-11-12 1995-05-17 Cummins Engine Company, Inc. Moteurs diesel turbochargés

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009020618A1 (de) 2009-05-09 2010-11-11 Daimler Ag Mischvorrichtung zum Zumischen eines Abgasrückführstroms in einen Ladeluftstrom einer Brennkraftmaschine
US11821389B2 (en) 2021-08-20 2023-11-21 Caterpillar Inc. Method and system for supplying fuel gas

Also Published As

Publication number Publication date
EP0732490A2 (fr) 1996-09-18
JPH08270509A (ja) 1996-10-15
DE69612420D1 (de) 2001-05-17
DE69612420T2 (de) 2001-07-26
EP0732490A3 (fr) 1997-08-13

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