DE2147719A1 - Kraftstoffeinspritzventil - Google Patents

Kraftstoffeinspritzventil

Info

Publication number
DE2147719A1
DE2147719A1 DE19712147719 DE2147719A DE2147719A1 DE 2147719 A1 DE2147719 A1 DE 2147719A1 DE 19712147719 DE19712147719 DE 19712147719 DE 2147719 A DE2147719 A DE 2147719A DE 2147719 A1 DE2147719 A1 DE 2147719A1
Authority
DE
Germany
Prior art keywords
needle
valve
drag
fuel
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.)
Pending
Application number
DE19712147719
Other languages
German (de)
English (en)
Inventor
Josef Dipl Ing Steiner
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19712147719 priority Critical patent/DE2147719A1/de
Priority to JP9564772A priority patent/JPS5531314B2/ja
Priority to GB4416672A priority patent/GB1353436A/en
Publication of DE2147719A1 publication Critical patent/DE2147719A1/de
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
    • F02M61/182—Discharge orifices being situated in different transversal planes with respect to valve member direction of movement
    • 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
    • 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • 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
    • 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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies
    • 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
    • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
    • F02M2700/07—Nozzles and injectors with controllable fuel supply
    • F02M2700/074—Injection valve actuated by fuel pressure for pressurised fuel supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE19712147719 1971-09-24 1971-09-24 Kraftstoffeinspritzventil Pending DE2147719A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19712147719 DE2147719A1 (de) 1971-09-24 1971-09-24 Kraftstoffeinspritzventil
JP9564772A JPS5531314B2 (enrdf_load_stackoverflow) 1971-09-24 1972-09-22
GB4416672A GB1353436A (en) 1971-09-24 1972-09-25 Fuel injection valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712147719 DE2147719A1 (de) 1971-09-24 1971-09-24 Kraftstoffeinspritzventil

Publications (1)

Publication Number Publication Date
DE2147719A1 true DE2147719A1 (de) 1973-03-29

Family

ID=5820463

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712147719 Pending DE2147719A1 (de) 1971-09-24 1971-09-24 Kraftstoffeinspritzventil

Country Status (3)

Country Link
JP (1) JPS5531314B2 (enrdf_load_stackoverflow)
DE (1) DE2147719A1 (enrdf_load_stackoverflow)
GB (1) GB1353436A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383322A1 (fr) * 1977-03-09 1978-10-06 Maschf Augsburg Nuernberg Ag Injecteur a plusieurs canaux d'injection
DE2743339A1 (de) * 1977-09-27 1979-04-05 Kloeckner Humboldt Deutz Ag Brennstoffeinspritzventil
EP0054612A1 (de) * 1980-12-20 1982-06-30 Robert Bosch Gmbh Kraftstoffeinspritzdüse für Brennkraftmaschinen
DE3236046A1 (de) * 1982-09-29 1984-03-29 Daimler-Benz Ag, 7000 Stuttgart Kraftstoffeinspritzduese fuer brennkraftmaschinen

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS544006B2 (enrdf_load_stackoverflow) * 1971-12-29 1979-03-01
JPS5338737Y2 (enrdf_load_stackoverflow) * 1973-02-21 1978-09-20
JPS5323856Y2 (enrdf_load_stackoverflow) * 1973-06-22 1978-06-20
JPS5842612Y2 (ja) * 1977-05-10 1983-09-27 ヤンマーディーゼル株式会社 デイ−ゼル機関の燃料噴射弁
CH622588A5 (enrdf_load_stackoverflow) * 1977-09-01 1981-04-15 Sulzer Ag
CH636409A5 (en) * 1979-03-01 1983-05-31 Sulzer Ag Injection valve on a reciprocating piston internal combustion engine
GB8710976D0 (en) * 1987-05-08 1987-06-10 Lucas Ind Plc Fuel injection nozzle
GB2336627A (en) * 1998-04-24 1999-10-27 Lucas Ind Plc Fuel injector with biassing spring in blind bore in valve needle
GB9914642D0 (en) * 1999-06-24 1999-08-25 Lucas Ind Plc Fuel injector
EP1482165A1 (de) * 2003-05-26 2004-12-01 Siemens Aktiengesellschaft Mehrlocheinspritzdüse für Brennkraftmaschinen und Verfahren zum Betreiben einer Mehrlocheinspritzdüse

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383322A1 (fr) * 1977-03-09 1978-10-06 Maschf Augsburg Nuernberg Ag Injecteur a plusieurs canaux d'injection
DE2743339A1 (de) * 1977-09-27 1979-04-05 Kloeckner Humboldt Deutz Ag Brennstoffeinspritzventil
EP0054612A1 (de) * 1980-12-20 1982-06-30 Robert Bosch Gmbh Kraftstoffeinspritzdüse für Brennkraftmaschinen
DE3236046A1 (de) * 1982-09-29 1984-03-29 Daimler-Benz Ag, 7000 Stuttgart Kraftstoffeinspritzduese fuer brennkraftmaschinen
US4570853A (en) * 1982-09-29 1986-02-18 Daimler-Benz Aktiengesellschaft Self-cleaning fuel injection valve

Also Published As

Publication number Publication date
JPS4839819A (enrdf_load_stackoverflow) 1973-06-12
GB1353436A (en) 1974-05-15
JPS5531314B2 (enrdf_load_stackoverflow) 1980-08-16

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