FR2888618B1 - Buse d'injection de gazole - Google Patents

Buse d'injection de gazole

Info

Publication number
FR2888618B1
FR2888618B1 FR0507509A FR0507509A FR2888618B1 FR 2888618 B1 FR2888618 B1 FR 2888618B1 FR 0507509 A FR0507509 A FR 0507509A FR 0507509 A FR0507509 A FR 0507509A FR 2888618 B1 FR2888618 B1 FR 2888618B1
Authority
FR
France
Prior art keywords
injection nozzle
gas injection
nozzle
gas
injection
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
FR0507509A
Other languages
English (en)
Other versions
FR2888618A1 (fr
Inventor
Sebastien Capelle
Mickael Dingreville
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 FR0507509A priority Critical patent/FR2888618B1/fr
Publication of FR2888618A1 publication Critical patent/FR2888618A1/fr
Application granted granted Critical
Publication of FR2888618B1 publication Critical patent/FR2888618B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • 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
    • 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
    • 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)
  • Fuel-Injection Apparatus (AREA)
FR0507509A 2005-07-13 2005-07-13 Buse d'injection de gazole Expired - Fee Related FR2888618B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0507509A FR2888618B1 (fr) 2005-07-13 2005-07-13 Buse d'injection de gazole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0507509A FR2888618B1 (fr) 2005-07-13 2005-07-13 Buse d'injection de gazole

Publications (2)

Publication Number Publication Date
FR2888618A1 FR2888618A1 (fr) 2007-01-19
FR2888618B1 true FR2888618B1 (fr) 2007-09-14

Family

ID=36113840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0507509A Expired - Fee Related FR2888618B1 (fr) 2005-07-13 2005-07-13 Buse d'injection de gazole

Country Status (1)

Country Link
FR (1) FR2888618B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9518547B2 (en) 2015-05-07 2016-12-13 Caterpillar Inc. Fuel injector including extensions for split spray angles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06336932A (ja) * 1993-03-31 1994-12-06 Shin A C Ii:Kk 直接噴射式ディーゼル機関
EP0692625B1 (fr) 1994-07-15 1999-12-29 Wärtsilä NSD Schweiz AG Buse d'une soupape d'injection de combustible
JPH11182385A (ja) * 1997-12-19 1999-07-06 Agency Of Ind Science & Technol 内燃機関用燃料噴射システム
FR2840367B1 (fr) 2002-06-04 2004-12-10 Renault Sa Injecteur de carburant pour moteur a combustion interne de vehicule automobile de type diesel
DE60314226T2 (de) * 2003-04-09 2007-10-04 Siemens Vdo Automotive S.P.A., Fauglia Sprühmusterelement und Kraftstoffeinspritzventil mit demselben
FR2860557B1 (fr) * 2003-10-06 2007-09-21 Renault Sa Injecteur de carburant de moteur a combustion interne pour vehicule comprenant une buse presentant au moins un orifice

Also Published As

Publication number Publication date
FR2888618A1 (fr) 2007-01-19

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140331