IT992778B - Dispositivo d iniezione e di combustione per un motore diesel e pistone ad iniezione diretta - Google Patents

Dispositivo d iniezione e di combustione per un motore diesel e pistone ad iniezione diretta

Info

Publication number
IT992778B
IT992778B IT27335/73A IT2733573A IT992778B IT 992778 B IT992778 B IT 992778B IT 27335/73 A IT27335/73 A IT 27335/73A IT 2733573 A IT2733573 A IT 2733573A IT 992778 B IT992778 B IT 992778B
Authority
IT
Italy
Prior art keywords
injection
diesel engine
combustion device
piston
direct injection
Prior art date
Application number
IT27335/73A
Other languages
English (en)
Original Assignee
Berliet Automobiles
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 Berliet Automobiles filed Critical Berliet Automobiles
Application granted granted Critical
Publication of IT992778B publication Critical patent/IT992778B/it

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
    • F02M61/1826—Discharge orifices having different sizes
    • 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
    • F02B23/0696—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
    • 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
    • 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
    • F02B23/0618—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 having in-cylinder means to influence the charge motion
    • F02B23/0621—Squish flow
    • 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
    • F02B23/066—Details related to the fuel injector or the fuel spray the injector being located substantially off-set from the cylinder centre axis
    • 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)
  • Fuel-Injection Apparatus (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
IT27335/73A 1972-10-25 1973-07-31 Dispositivo d iniezione e di combustione per un motore diesel e pistone ad iniezione diretta IT992778B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7238496A FR2204224A5 (it) 1972-10-25 1972-10-25

Publications (1)

Publication Number Publication Date
IT992778B true IT992778B (it) 1975-09-30

Family

ID=9106434

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27335/73A IT992778B (it) 1972-10-25 1973-07-31 Dispositivo d iniezione e di combustione per un motore diesel e pistone ad iniezione diretta

Country Status (4)

Country Link
DE (1) DE2348372A1 (it)
FR (1) FR2204224A5 (it)
GB (1) GB1442341A (it)
IT (1) IT992778B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2406722A1 (fr) * 1977-10-18 1979-05-18 Berliet Automobiles Moteur diesel a injection directe avec injecteur a commande mecanique
DE2850879A1 (de) * 1978-11-24 1980-06-19 Maschf Augsburg Nuernberg Ag Mehrloch-einspritzduese fuer luftverdichtende brennkraftmaschinen
DE2901210C2 (de) * 1979-01-13 1984-01-12 Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren zum Betrieb einer luftverdichtenden, selbstzündenden Brennkraftmaschine
DE3034824C2 (de) * 1979-09-18 1982-08-19 Hans Prof. Dipl.-Ing. Dr.Dr.h.c. 8020 Graz List Brennkraftmaschine mit direkter Kraftstoffeinspritzung
GB2097472B (en) * 1980-09-29 1985-05-22 Tsni Dizelny Inst Internal combustion engine
FR2507683B1 (fr) * 1981-06-16 1986-05-09 Tsni Moteur a combustion interne a allumage par compression et a chambre de combustion dans le piston
DE3302427C2 (de) * 1983-01-26 1985-01-24 Daimler-Benz Ag, 7000 Stuttgart Selbstzündende Brennkraftmaschine mit einer rotationssymmetrischen Kolbenmulde
RU2164300C2 (ru) * 1999-02-23 2001-03-20 Открытое акционерное общество "Коломенский завод" Способ работы двигателя внутреннего сгорания
FR2876750B1 (fr) * 2004-10-19 2010-09-17 Renault Sas Buse d'injection possedant des trous de conicites differentes et moteur comportant une telle buse
WO2010035311A1 (ja) * 2008-09-24 2010-04-01 トヨタ自動車株式会社 内燃機関の燃料噴射弁及びその製造方法
DE102009034072A1 (de) 2009-07-22 2011-01-27 Emitec Gesellschaft Für Emissionstechnologie Mbh Einspritzdüse zur Zufuhr von Reduktionsmittel und Vorrichtung zur Behandlung von Abgasen
DE102013219068A1 (de) * 2013-09-23 2015-03-26 Continental Automotive Gmbh Brennkraftmaschine
CN112879148B (zh) * 2021-01-25 2022-11-08 华中科技大学 一种适用于高功率密度柴油机的非对称燃烧室系统

Also Published As

Publication number Publication date
FR2204224A5 (it) 1974-05-17
DE2348372A1 (de) 1974-05-09
GB1442341A (en) 1976-07-14

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