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DE69601239D1 - Einlasskrümmer für Brennkraftmaschine - Google Patents

Einlasskrümmer für Brennkraftmaschine

Info

Publication number
DE69601239D1
DE69601239D1 DE69601239T DE69601239T DE69601239D1 DE 69601239 D1 DE69601239 D1 DE 69601239D1 DE 69601239 T DE69601239 T DE 69601239T DE 69601239 T DE69601239 T DE 69601239T DE 69601239 D1 DE69601239 D1 DE 69601239D1
Authority
DE
Germany
Prior art keywords
internal combustion
intake manifold
combustion engines
engines
manifold
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 - Fee Related
Application number
DE69601239T
Other languages
English (en)
Other versions
DE69601239T2 (de
Inventor
William Ojala
Piero Aversa
Philip Zeiser
David Ives
Hajnal Minger
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.)
Ford Werke GmbH
Original Assignee
Ford Werke 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 Ford Werke GmbH filed Critical Ford Werke GmbH
Publication of DE69601239D1 publication Critical patent/DE69601239D1/de
Application granted granted Critical
Publication of DE69601239T2 publication Critical patent/DE69601239T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B75/22Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/30Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/32Liquid-cooled heat exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10209Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10242Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10288Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/104Intake manifolds
    • F02M35/116Intake manifolds for engines with cylinders in V-arrangement or arranged oppositely relative to the main shaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00Engines characterised by fuel-air mixture compression
    • F02B1/02Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/12Other methods of operation
    • F02B2075/125Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B2075/1804Number of cylinders
    • F02B2075/1824Number of cylinders six
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/42Arrangement 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/08Thermoplastics

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)
DE69601239T 1995-04-05 1996-04-03 Einlasskrümmer für Brennkraftmaschine Expired - Fee Related DE69601239T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/417,354 US5490488A (en) 1995-04-05 1995-04-05 Internal combustion engine intake manifold with integral EGR cooler and ported EGR flow passages

Publications (2)

Publication Number Publication Date
DE69601239D1 true DE69601239D1 (de) 1999-02-11
DE69601239T2 DE69601239T2 (de) 1999-05-20

Family

ID=23653655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69601239T Expired - Fee Related DE69601239T2 (de) 1995-04-05 1996-04-03 Einlasskrümmer für Brennkraftmaschine

Country Status (4)

Country Link
US (1) US5490488A (de)
EP (1) EP0736684B1 (de)
CA (1) CA2171234A1 (de)
DE (1) DE69601239T2 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3420403B2 (ja) * 1995-09-13 2003-06-23 本田技研工業株式会社 エンジンのegrバルブ支持構造
US5666930A (en) * 1996-04-18 1997-09-16 General Motors Corporation Structural throttle body mount
DE19641700C1 (de) * 1996-10-10 1997-10-30 Daimler Benz Ag Vorrichtung zur Wärmeübertragung zwischen strömenden Medien für eine Brennkraftmaschine
AT406905B (de) * 1997-01-13 2000-10-25 Vaillant Gmbh Umlaufwasserheizer
US5931131A (en) * 1997-08-19 1999-08-03 Caterpillar Inc. Valve cover assembly having an integrated heat exchanger for cooling exhaust gases
US5957116A (en) * 1997-08-28 1999-09-28 Cummins Engine Company, Inc. Integrated and separable EGR distribution manifold
WO1999014477A1 (de) * 1997-09-16 1999-03-25 Filterwerk Mann+Hummel Gmbh Anordnung zur rückführung von abgas bei einem verbrennungsmotor
US6050248A (en) * 1997-12-03 2000-04-18 Caterpillar Inc. Exhaust gas recirculation valve powered by pressure from an oil pump that powers a hydraulically actuated fuel injector
US6155223A (en) * 1999-02-25 2000-12-05 Ford Global Technologies, Inc. Distribution reservoir for an internal combustion engine
DE19920195B4 (de) * 1999-05-03 2007-12-06 Audi Ag Luftansaugsystem für eine mehrzylindrige Brennkraftmaschine
DE19926545A1 (de) * 1999-06-11 2000-12-14 Pierburg Ag Luftansaugkanalanordnung für eine Brennkraftmaschine
US6513507B2 (en) 2000-01-26 2003-02-04 International Engine Intellectual Property Company, L.D.C. Intake manifold module
JP2002054521A (ja) * 2000-08-11 2002-02-20 Honda Motor Co Ltd エンジンの燃料ポンプ取付構造
US6422219B1 (en) 2000-11-28 2002-07-23 Detroit Diesel Corporation Electronic controlled engine exhaust treatment system to reduce NOx emissions
DE10062169A1 (de) * 2000-12-14 2002-06-20 Volkswagen Ag Brennkraftmaschine mit Abgasrückführung
US6705301B2 (en) 2002-01-29 2004-03-16 Cummins, Inc. System for producing charge flow and EGR fraction commands based on engine operating conditions
US6971378B2 (en) 2002-06-13 2005-12-06 Cummins, Inc. Cylinder head having an internal exhaust gas recirculation passage
US7069918B2 (en) * 2002-06-13 2006-07-04 Cummins Inc. Cylinder head having an internal exhaust gas recirculation passage
US6748741B2 (en) 2002-10-23 2004-06-15 Honeywell International Inc. Charge air condensation collection system for engines with exhaust gas recirculation
DE10251406B4 (de) * 2002-11-05 2013-08-22 Mann + Hummel Gmbh Saugmodul für einen Verbrennungsmotor
DE10260781A1 (de) * 2002-12-23 2004-07-01 Daimlerchrysler Ag Verfahren zur Beheizung eines Innenraumes eines Fahrzeuges, sowie Vorrichtung hierzu
US7100559B2 (en) * 2003-02-19 2006-09-05 Nissan Motor Co., Ltd. Engine air intake manifold
DE10344217B4 (de) * 2003-09-22 2014-05-28 Mahle Filtersysteme Gmbh Frischgas führender Abschnitt einer Frischgasanlage
US6945237B1 (en) * 2004-03-15 2005-09-20 Deere & Company Intake manifold with EGR/air mixing
US6935321B1 (en) 2004-03-17 2005-08-30 Deere & Company EGR/air mixing intake manifold with dual orientations
DE102004020102A1 (de) * 2004-04-24 2005-11-24 Mann + Hummel Gmbh Saugrohranordnung für einen Verbrennungsmotor
ITTO20060186A1 (it) * 2005-03-30 2006-09-30 Honda Motor Co Ltd Motore a combustione interna del tipo a 'v'.
DE102005031300B4 (de) * 2005-07-05 2021-05-12 Daimler Ag Brennkraftmaschine mit Kühlsystem und Abgasrückführsystem
JP4497206B2 (ja) * 2008-01-08 2010-07-07 トヨタ自動車株式会社 吸気混合ガス導入構造
JP5387612B2 (ja) * 2010-06-25 2014-01-15 マツダ株式会社 エンジンの排気還流装置
FR2967215B1 (fr) * 2010-11-08 2016-01-01 Valeo Systemes Thermiques Collecteur de repartition de gaz et module d'admission de gaz correspondant
GB2487591B (en) * 2011-01-28 2016-07-20 Gm Global Tech Operations Llc Internal Combustion Engine Having a Cooler Located in an Intake Manifold
JP5869357B2 (ja) * 2012-02-08 2016-02-24 本田技研工業株式会社 内燃機関の吸気装置
US9322364B2 (en) * 2013-07-22 2016-04-26 GM Global Technology Operations LLC Engine inlet for EGR-air flow distribution
US9272615B1 (en) 2013-11-07 2016-03-01 David D. Cady Vapor transport fuel intake system
US9664153B2 (en) * 2015-03-13 2017-05-30 Ford Global Technologies, Llc Engine with exhaust gas recirculation
EP3516197B1 (de) 2016-09-19 2022-08-17 Cummins, Inc. Kopfgegossenes egr-querrohr mit integriertem venturirohr für durchflussmessungen
JP6783166B2 (ja) * 2017-03-07 2020-11-11 株式会社豊田自動織機 内燃機関の吸気装置
US10871104B2 (en) 2017-08-02 2020-12-22 Ford Global Technologies, Llc Systems and methods for a split exhaust engine system
JP2019074027A (ja) * 2017-10-17 2019-05-16 愛三工業株式会社 Egrガス分配器
JP2019105262A (ja) * 2017-12-14 2019-06-27 トヨタ自動車株式会社 ブローバイガス処理装置
KR102644422B1 (ko) * 2018-11-02 2024-03-06 현대자동차 주식회사 차량의 흡기 시스템
KR20200057520A (ko) * 2018-11-16 2020-05-26 현대자동차주식회사 Pcv시스템
USD901540S1 (en) * 2019-01-03 2020-11-10 RB Distribution, Inc. Engine manifold
USD921699S1 (en) * 2019-01-17 2021-06-08 Andrew Lincoln Pumphrey Engine cylinder multi-port exhaust arrangement

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444846A (en) * 1967-04-24 1969-05-20 Chrysler Corp Engine exhaust recirculation
US3587541A (en) * 1969-03-17 1971-06-28 Chrysler Corp Engine exhaust recirculation
US3646923A (en) * 1970-04-22 1972-03-07 Chrysler Corp Controlled floor jet engine exhaust recirculation
US3580232A (en) * 1970-06-18 1971-05-25 Chrysler Corp Engine exhaust recirculation
US3717130A (en) * 1971-10-14 1973-02-20 Gen Motors Corp Intake manifold for exhaust gas recirculation and method of manufacture
US3717131A (en) * 1971-11-10 1973-02-20 Gen Motors Corp Intake manifold for exhaust gas recirculation
US3756210A (en) * 1972-04-10 1973-09-04 Gen Motors Corp Exhaust gas recirculation control valve
US3918424A (en) * 1974-03-06 1975-11-11 Ford Motor Co Integrally cast quick heat intake manifold
US3915128A (en) * 1974-09-16 1975-10-28 Gen Motors Corp Multi-bore intake manifold with improved fuel distribution
GB1563101A (en) * 1975-08-19 1980-03-19 British Leyland Cars Ltd Internal combustion engine having a plurality of carburetters mounted on a common structural member
US4072133A (en) * 1976-04-22 1978-02-07 General Motors Corporation Intake manifold with internal passages arranged to simplify coring
US4150649A (en) * 1977-12-27 1979-04-24 Ford Motor Company Load responsive EGR valve
JPS5914609B2 (ja) * 1978-06-22 1984-04-05 日産自動車株式会社 渦流室式デイ−ゼル機関
US4354463A (en) * 1979-06-09 1982-10-19 Honda Giken Kogyo Kabushiki Kaisha Device for improving combustion efficiency of mixture in four cycle internal combustion engine
JPS618202Y2 (de) * 1979-07-30 1986-03-13
US4258687A (en) * 1979-10-09 1981-03-31 Ford Motor Company Engine with integral mounted EGR cooler
JPS56129555U (de) * 1980-03-03 1981-10-01
US4453502A (en) * 1980-06-27 1984-06-12 Cornell Research Foundation, Inc. Combustion control by prestratification
US4342300A (en) * 1981-02-26 1982-08-03 General Motors Corporation Stratified charge engine with charge preparation means
JPS6056260B2 (ja) * 1981-05-20 1985-12-09 本田技研工業株式会社 内燃機関用吸気マニホ−ルド
US4492209A (en) * 1981-06-05 1985-01-08 Honda Giken Kogyo Kabushiki Kaisha Exhaust gas recirculation system
DE3331095A1 (de) * 1982-08-31 1984-03-01 Honda Giken Kogyo K.K., Tokyo Ansaugkruemmer fuer einem mehrzylindrigen motor
JPS6060252A (ja) * 1983-09-13 1985-04-06 Mazda Motor Corp V型エンジンの排気ガス還流装置
JPH0350283Y2 (de) * 1985-04-09 1991-10-28
US4741295A (en) * 1985-09-09 1988-05-03 Honda Giken Kogyo Kabushiki Kaisha Intake manifold system for V-type multiple cylinder internal combustion engine
FR2592436B1 (fr) * 1985-12-30 1989-12-08 Inst Francais Du Petrole Dispositif et procede d'introduction de gaz sous pression dans une chambre de combustion d'un moteur alternatif a combustion interne
US4693226A (en) * 1986-06-02 1987-09-15 Ford Motor Company EGR control system
JPH0663452B2 (ja) * 1986-07-04 1994-08-22 トヨタ自動車株式会社 2サイクル内燃機関
US4854291A (en) * 1986-11-07 1989-08-08 Elsbett L Cylinder head for use in diesel engines
JPS63239354A (ja) * 1987-03-26 1988-10-05 Mazda Motor Corp エンジンの排気還流装置
US4875455A (en) * 1987-04-28 1989-10-24 Mazda Motor Corporation Automobile exhaust gas recirculating system
KR940000129B1 (ko) * 1988-07-29 1994-01-07 마쯔다 가부시기가이샤 V형엔진의 흡기장치
US4924840A (en) * 1988-10-05 1990-05-15 Ford Motor Company Fast response exhaust gas recirculation (EGR) system
JPH02107758U (de) * 1989-02-14 1990-08-28
US5003933A (en) * 1989-11-06 1991-04-02 General Motors Corporation Integrated induction system
US5307784A (en) * 1993-04-05 1994-05-03 Ford Motor Company Induction system for internal combustion engine

Also Published As

Publication number Publication date
EP0736684B1 (de) 1998-12-30
DE69601239T2 (de) 1999-05-20
US5490488A (en) 1996-02-13
CA2171234A1 (en) 1996-10-06
EP0736684A2 (de) 1996-10-09
EP0736684A3 (de) 1997-02-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee