IT992778B - INJECTION AND COMBUSTION DEVICE FOR A DIESEL ENGINE AND DIRECT INJECTION PISTON - Google Patents

INJECTION AND COMBUSTION DEVICE FOR A DIESEL ENGINE AND DIRECT INJECTION PISTON

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
Italian (it)
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/en

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 INJECTION AND COMBUSTION DEVICE FOR A DIESEL ENGINE AND DIRECT INJECTION PISTON IT992778B (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=9106434

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27335/73A IT992778B (en) 1972-10-25 1973-07-31 INJECTION AND COMBUSTION DEVICE FOR A DIESEL ENGINE AND DIRECT INJECTION PISTON

Country Status (4)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2406722A1 (en) * 1977-10-18 1979-05-18 Berliet Automobiles DIRECT INJECTION DIESEL ENGINE WITH MECHANICALLY CONTROLLED INJECTOR
DE2850879A1 (en) * 1978-11-24 1980-06-19 Maschf Augsburg Nuernberg Ag MULTI-HOLE INJECTION NOZZLE FOR AIR COMPRESSING ENGINES
DE2901210C2 (en) * 1979-01-13 1984-01-12 Klöckner-Humboldt-Deutz AG, 5000 Köln Method for operating an air-compressing, self-igniting internal combustion engine
DE3034824C2 (en) * 1979-09-18 1982-08-19 Hans Prof. Dipl.-Ing. Dr.Dr.h.c. 8020 Graz List Internal combustion engine with direct fuel injection
US4497309A (en) * 1980-09-29 1985-02-05 Tsentralny Iauchno-Issledovatelsky Dizelny Institut Internal combustion engine
FR2507683B1 (en) * 1981-06-16 1986-05-09 Tsni INTERNAL COMBUSTION ENGINE WITH COMPRESSION IGNITION AND COMBUSTION CHAMBER IN THE PISTON
DE3302427C2 (en) * 1983-01-26 1985-01-24 Daimler-Benz Ag, 7000 Stuttgart Self-igniting internal combustion engine with a rotationally symmetrical piston bowl
FR2876750B1 (en) * 2004-10-19 2010-09-17 Renault Sas INJECTION NOZZLE HAVING DIFFERENT HOLES OF CONICITY AND ENGINE COMPRISING SUCH A NOZZLE
WO2010035311A1 (en) * 2008-09-24 2010-04-01 トヨタ自動車株式会社 Fuel injection valve for internal combustion engine and method of manufacturing the same
DE102009034072A1 (en) * 2009-07-22 2011-01-27 Emitec Gesellschaft Für Emissionstechnologie Mbh Injector for the supply of reducing agent and apparatus for the treatment of exhaust gases
DE102013219068A1 (en) * 2013-09-23 2015-03-26 Continental Automotive Gmbh Internal combustion engine
CN112879148B (en) * 2021-01-25 2022-11-08 华中科技大学 Asymmetric combustion chamber system suitable for high-power density diesel engine

Also Published As

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

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