FR2879676A1 - Moteur a injection directe - Google Patents

Moteur a injection directe Download PDF

Info

Publication number
FR2879676A1
FR2879676A1 FR0413769A FR0413769A FR2879676A1 FR 2879676 A1 FR2879676 A1 FR 2879676A1 FR 0413769 A FR0413769 A FR 0413769A FR 0413769 A FR0413769 A FR 0413769A FR 2879676 A1 FR2879676 A1 FR 2879676A1
Authority
FR
France
Prior art keywords
angle
bowl
slick
wide
jets
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.)
Pending
Application number
FR0413769A
Other languages
English (en)
French (fr)
Inventor
Jacky Guezet
Jean Paul Hardy
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR0413769A priority Critical patent/FR2879676A1/fr
Priority to DE102005058424A priority patent/DE102005058424A1/de
Publication of FR2879676A1 publication Critical patent/FR2879676A1/fr
Pending legal-status Critical Current

Links

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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/0648—Means or methods to improve the spray dispersion, evaporation or ignition
    • F02B23/0651—Means or methods to improve the spray dispersion, evaporation or ignition the fuel spray impinging on reflecting surfaces or being specially guided throughout the combustion space
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0672—Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0696—W-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder wall
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B23/101—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on or close to the cylinder centre axis, e.g. with mixture formation using spray guided concepts
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/0669—Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)
FR0413769A 2004-12-22 2004-12-22 Moteur a injection directe Pending FR2879676A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0413769A FR2879676A1 (fr) 2004-12-22 2004-12-22 Moteur a injection directe
DE102005058424A DE102005058424A1 (de) 2004-12-22 2005-12-07 Motor mit Direkteinspritzung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0413769A FR2879676A1 (fr) 2004-12-22 2004-12-22 Moteur a injection directe

Publications (1)

Publication Number Publication Date
FR2879676A1 true FR2879676A1 (fr) 2006-06-23

Family

ID=34952345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0413769A Pending FR2879676A1 (fr) 2004-12-22 2004-12-22 Moteur a injection directe

Country Status (2)

Country Link
DE (1) DE102005058424A1 (de)
FR (1) FR2879676A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009045641A1 (en) * 2007-10-01 2009-04-09 General Electric Company Diesel combustion system with re-entrant piston bowl
WO2009077506A1 (fr) * 2007-12-19 2009-06-25 Renault S.A.S. Chambre de combustion pour moteur thermique
EP2169194A2 (de) 2008-09-24 2010-03-31 Deere & Company Kolben für einen Kolbenverbrennungsmotor und Kolben
FR3016926A1 (fr) * 2014-01-29 2015-07-31 IFP Energies Nouvelles Moteur a combustion a injection directe de combustible et plus particulierement moteur a allumage par compression avec faible taux de compression
FR3034137A1 (fr) * 2015-03-24 2016-09-30 Ifp Energies Now Moteur a combustion interne a injection directe de carburant a bas transfert thermique, notamment pour vehicule automobile.
CN113719342A (zh) * 2021-07-29 2021-11-30 东风商用车有限公司 双卷流燃烧室的射流-压燃燃烧系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020117146A1 (en) * 2000-12-20 2002-08-29 Bertrand Gatellier Direct-injection engine with small nappe angle and processes allowing such an engine to be used
US20030172902A1 (en) * 2002-03-15 2003-09-18 Bertrand Gatellier Internal-combustion engine with fuel injection device
EP1357274A1 (de) * 2002-04-24 2003-10-29 Renault s.a.s. Brennkammer für eine mehrzylindrige, selbstzündende Brennkraftmaschine, insbesondere für einen direkteingespritzen Dieselmotor sowie zugehöriger Motor
US20040237929A1 (en) * 2003-05-30 2004-12-02 Caterpillar Inc. Fuel injector nozzle for an internal combustion engine
WO2005001255A1 (de) * 2003-06-30 2005-01-06 Daimlerchrysler Ag Selbstzündende brennkraftmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020117146A1 (en) * 2000-12-20 2002-08-29 Bertrand Gatellier Direct-injection engine with small nappe angle and processes allowing such an engine to be used
US20030172902A1 (en) * 2002-03-15 2003-09-18 Bertrand Gatellier Internal-combustion engine with fuel injection device
EP1357274A1 (de) * 2002-04-24 2003-10-29 Renault s.a.s. Brennkammer für eine mehrzylindrige, selbstzündende Brennkraftmaschine, insbesondere für einen direkteingespritzen Dieselmotor sowie zugehöriger Motor
US20040237929A1 (en) * 2003-05-30 2004-12-02 Caterpillar Inc. Fuel injector nozzle for an internal combustion engine
WO2005001255A1 (de) * 2003-06-30 2005-01-06 Daimlerchrysler Ag Selbstzündende brennkraftmaschine

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009045641A1 (en) * 2007-10-01 2009-04-09 General Electric Company Diesel combustion system with re-entrant piston bowl
US8881706B2 (en) 2007-12-19 2014-11-11 Renault S.A.S. Combustion engine combustion chamber
WO2009077506A1 (fr) * 2007-12-19 2009-06-25 Renault S.A.S. Chambre de combustion pour moteur thermique
FR2925601A1 (fr) * 2007-12-19 2009-06-26 Renault Sas Chambre de combustion pour moteur thermique
JP2011506847A (ja) * 2007-12-19 2011-03-03 ルノー・エス・アー・エス 燃焼機関の燃焼室
EP2169194A2 (de) 2008-09-24 2010-03-31 Deere & Company Kolben für einen Kolbenverbrennungsmotor und Kolben
EP2169194A3 (de) * 2008-09-24 2012-09-05 Deere & Company Kolben für einen Kolbenverbrennungsmotor und Kolben
FR3016926A1 (fr) * 2014-01-29 2015-07-31 IFP Energies Nouvelles Moteur a combustion a injection directe de combustible et plus particulierement moteur a allumage par compression avec faible taux de compression
WO2015113803A1 (fr) * 2014-01-29 2015-08-06 IFP Energies Nouvelles Moteur à combustion à injection directe de combustible et plus particulièrement moteur à allumage par compression avec faible taux de compression
CN105940200A (zh) * 2014-01-29 2016-09-14 Ifp新能源公司 燃油直喷内燃机及更具体地低压缩率的压燃式发动机
US10215082B2 (en) 2014-01-29 2019-02-26 IFP Energies Nouvelles Direct fuel injection combustion engine and more particularly a compression-ignition engine with a low compression ratio
CN105940200B (zh) * 2014-01-29 2019-10-25 Ifp新能源公司 燃油直喷内燃机及更具体地低压缩率的压燃式发动机
FR3034137A1 (fr) * 2015-03-24 2016-09-30 Ifp Energies Now Moteur a combustion interne a injection directe de carburant a bas transfert thermique, notamment pour vehicule automobile.
CN113719342A (zh) * 2021-07-29 2021-11-30 东风商用车有限公司 双卷流燃烧室的射流-压燃燃烧系统

Also Published As

Publication number Publication date
DE102005058424A1 (de) 2006-07-06

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