GB2024936B - Air-compressiondirect-injection internal combustion engine - Google Patents

Air-compressiondirect-injection internal combustion engine

Info

Publication number
GB2024936B
GB2024936B GB7921221A GB7921221A GB2024936B GB 2024936 B GB2024936 B GB 2024936B GB 7921221 A GB7921221 A GB 7921221A GB 7921221 A GB7921221 A GB 7921221A GB 2024936 B GB2024936 B GB 2024936B
Authority
GB
United Kingdom
Prior art keywords
compressiondirect
air
combustion engine
internal combustion
injection internal
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
Application number
GB7921221A
Other versions
GB2024936A (en
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.)
MAN AG
Original Assignee
MAN Maschinenfabrik Augsburg Nuernberg AG
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 MAN Maschinenfabrik Augsburg Nuernberg AG filed Critical MAN Maschinenfabrik Augsburg Nuernberg AG
Publication of GB2024936A publication Critical patent/GB2024936A/en
Application granted granted Critical
Publication of GB2024936B publication Critical patent/GB2024936B/en
Expired legal-status Critical Current

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
    • F02B23/0675—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 the combustion space being substantially spherical, hemispherical, ellipsoid or parabolic
    • 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
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/083—Having two or more closing springs acting on injection-valve
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02B23/0618—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
    • F02B23/0624—Swirl 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
    • F02B23/0648—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
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/0663—Details related to the fuel injector or the fuel spray having multiple injectors per 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
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/44—Valves, e.g. injectors, with valve bodies arranged side-by-side
    • 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
GB7921221A 1978-06-19 1979-06-19 Air-compressiondirect-injection internal combustion engine Expired GB2024936B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2826602A DE2826602C2 (en) 1978-06-19 1978-06-19 Air-compressing, direct-injection internal combustion engine

Publications (2)

Publication Number Publication Date
GB2024936A GB2024936A (en) 1980-01-16
GB2024936B true GB2024936B (en) 1982-10-27

Family

ID=6042028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7921221A Expired GB2024936B (en) 1978-06-19 1979-06-19 Air-compressiondirect-injection internal combustion engine

Country Status (10)

Country Link
JP (1) JPS555495A (en)
DD (1) DD144433A1 (en)
DE (1) DE2826602C2 (en)
FR (1) FR2432095A1 (en)
GB (1) GB2024936B (en)
HU (1) HU182899B (en)
IN (1) IN152143B (en)
IT (1) IT1121441B (en)
RO (1) RO77469A (en)
SE (1) SE7905364L (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2711390A1 (en) * 1977-03-16 1978-09-21 Bosch Gmbh Robert FUEL INJECTOR
DE3151293A1 (en) * 1981-12-24 1983-07-07 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION SYSTEM FOR DIRECT FUEL INJECTION IN COMBUSTION ENGINES
JPS59108819A (en) * 1982-12-13 1984-06-23 Toyota Central Res & Dev Lab Inc Fuel injection type internal-combustion engine
FR2571135B1 (en) * 1984-10-02 1987-02-06 Moet & Chandon METHOD AND APPARATUS FOR TRANSFERRING AND / OR DOSING OF FRAGILE PARTICLES, AT A HIGH THROUGHPUT, WITH A VIEW TO, FOR EXAMPLE, INSERTION IN A CONTAINER
US4709672A (en) * 1985-05-21 1987-12-01 Isuzu Motors Limited Combustion chamber for an internal-combustion engine
JPS6238828A (en) * 1985-08-13 1987-02-19 Isuzu Motors Ltd Direct injection type diesel engine
JPS62121827A (en) * 1985-11-21 1987-06-03 Isuzu Motors Ltd Spark assist diesel engine
US5033679A (en) * 1987-10-30 1991-07-23 Golev Vladislav I Injector nozzle for a diesel engine
FR3071878B1 (en) * 2017-09-29 2019-09-27 IFP Energies Nouvelles ELLIPTICAL COMBUSTION CHAMBER
FR3071880B1 (en) * 2017-09-29 2019-09-27 IFP Energies Nouvelles INTERNAL COMBUSTION ENGINE WITH DIRECT FUEL INJECTION WITHIN THE DIRECTION OF ADMISSION GAS MOVEMENT

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE475438A (en) * 1946-08-28
FR994588A (en) * 1949-09-01 1951-11-19 Aviat Et Materiel Moderne Soc Two or more jet injector
DE865683C (en) * 1951-12-18 1953-02-05 Hans Krug Injection process for a high-speed diesel engine with a combustion chamber of rotation in the piston
DE1026572B (en) * 1956-11-16 1958-03-20 Friedmann & Maier Ag Injection nozzle for internal combustion engines
US3442451A (en) * 1967-06-14 1969-05-06 Gen Motors Corp Dual stage accumulator type fuel injector
US3559892A (en) * 1968-06-18 1971-02-02 Ambac Ind Fuel injection nozzle with auxiliary spray orifice
DE1914742A1 (en) * 1969-03-22 1970-10-01 Maschf Augsburg Nuernberg Ag Fuel injector for internal combustion engines
DE2525770A1 (en) * 1975-06-10 1976-12-23 Maschf Augsburg Nuernberg Ag AIR COMPRESSING, DIRECT INJECTING COMBUSTION ENGINE

Also Published As

Publication number Publication date
DE2826602A1 (en) 1979-12-20
DD144433A1 (en) 1980-10-15
FR2432095A1 (en) 1980-02-22
RO77469A (en) 1981-11-04
GB2024936A (en) 1980-01-16
SE7905364L (en) 1979-12-20
HU182899B (en) 1984-03-28
IT1121441B (en) 1986-04-02
IN152143B (en) 1983-10-29
JPS555495A (en) 1980-01-16
IT7923659A0 (en) 1979-06-18
DE2826602C2 (en) 1982-07-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee