DE3120044A1 - Kraftstoff-einspritzduese fuer brennkraftmaschinen - Google Patents

Kraftstoff-einspritzduese fuer brennkraftmaschinen

Info

Publication number
DE3120044A1
DE3120044A1 DE19813120044 DE3120044A DE3120044A1 DE 3120044 A1 DE3120044 A1 DE 3120044A1 DE 19813120044 DE19813120044 DE 19813120044 DE 3120044 A DE3120044 A DE 3120044A DE 3120044 A1 DE3120044 A1 DE 3120044A1
Authority
DE
Germany
Prior art keywords
hollow needle
valve
needle
injection
section
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.)
Granted
Application number
DE19813120044
Other languages
German (de)
English (en)
Other versions
DE3120044C2 (enExample
Inventor
Kurt 7300 Esslingen Seifert
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 DE19813120044 priority Critical patent/DE3120044A1/de
Priority to DE8282104180T priority patent/DE3266767D1/de
Priority to EP82104180A priority patent/EP0065282B1/de
Priority to US06/380,376 priority patent/US4526323A/en
Priority to JP8412882A priority patent/JPS57198363A/ja
Publication of DE3120044A1 publication Critical patent/DE3120044A1/de
Application granted granted Critical
Publication of DE3120044C2 publication Critical patent/DE3120044C2/de
Granted 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
    • 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
    • F02M61/042—The valves being provided with fuel passages
    • F02M61/045—The valves being provided with fuel 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
    • F02M61/08—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 the valves opening in direction of fuel flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE19813120044 1981-05-20 1981-05-20 Kraftstoff-einspritzduese fuer brennkraftmaschinen Granted DE3120044A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19813120044 DE3120044A1 (de) 1981-05-20 1981-05-20 Kraftstoff-einspritzduese fuer brennkraftmaschinen
DE8282104180T DE3266767D1 (en) 1981-05-20 1982-05-13 Fuel injection nozzle for internal-combustion engines
EP82104180A EP0065282B1 (de) 1981-05-20 1982-05-13 Kraftstoff-Einspritzdüse für Brennkraftmaschinen
US06/380,376 US4526323A (en) 1981-05-20 1982-05-20 Fuel injection nozzle for internal combustion engines
JP8412882A JPS57198363A (en) 1981-05-20 1982-05-20 Fuel jet nozzle for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813120044 DE3120044A1 (de) 1981-05-20 1981-05-20 Kraftstoff-einspritzduese fuer brennkraftmaschinen

Publications (2)

Publication Number Publication Date
DE3120044A1 true DE3120044A1 (de) 1982-12-09
DE3120044C2 DE3120044C2 (enExample) 1990-02-15

Family

ID=6132787

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813120044 Granted DE3120044A1 (de) 1981-05-20 1981-05-20 Kraftstoff-einspritzduese fuer brennkraftmaschinen

Country Status (2)

Country Link
JP (1) JPS57198363A (enExample)
DE (1) DE3120044A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002018775A1 (en) * 2000-08-30 2002-03-07 Ricardo Consulting Engineers Limited A dual mode fuel injector
WO2002038947A1 (de) 2000-11-11 2002-05-16 Robert Bosch Gmbh Brennstoffeinspritzventil
US6772965B2 (en) 2000-07-15 2004-08-10 Robert Bosch Gmbh Fuel injection valve

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10031203C2 (de) * 2000-06-27 2002-06-27 Siemens Ag Verfahren und Vorrichtung zur Dichtheitsprüfung von Einspritzventilen
DE10060289A1 (de) 2000-12-05 2002-06-06 Bosch Gmbh Robert Brennstoffeinspritzventil
DE10061571B4 (de) * 2000-12-11 2007-03-22 Robert Bosch Gmbh Brennstoffeinspritzventil

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE585018C (de) * 1931-11-15 1933-09-27 Robert Bosch Akt Ges Einspritzduese fuer Brennkraftmaschinen
US3339848A (en) * 1965-10-20 1967-09-05 Int Harvester Co Fuel injection nozzle
JPS5334015A (en) 1976-09-10 1978-03-30 Nippon Denso Co Ltd Fuel injection valve
DE2825982A1 (de) * 1978-06-14 1980-01-03 Bosch Gmbh Robert Kraftstoffeinspritzduese fuer brennkraftmaschinen
JPH05334015A (ja) * 1992-06-03 1993-12-17 Hokkaido Nippon Denki Software Kk 磁気ディスク装置障害通報方式

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE585018C (de) * 1931-11-15 1933-09-27 Robert Bosch Akt Ges Einspritzduese fuer Brennkraftmaschinen
US3339848A (en) * 1965-10-20 1967-09-05 Int Harvester Co Fuel injection nozzle
JPS5334015A (en) 1976-09-10 1978-03-30 Nippon Denso Co Ltd Fuel injection valve
DE2825982A1 (de) * 1978-06-14 1980-01-03 Bosch Gmbh Robert Kraftstoffeinspritzduese fuer brennkraftmaschinen
JPH05334015A (ja) * 1992-06-03 1993-12-17 Hokkaido Nippon Denki Software Kk 磁気ディスク装置障害通報方式

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6772965B2 (en) 2000-07-15 2004-08-10 Robert Bosch Gmbh Fuel injection valve
WO2002018775A1 (en) * 2000-08-30 2002-03-07 Ricardo Consulting Engineers Limited A dual mode fuel injector
WO2002038947A1 (de) 2000-11-11 2002-05-16 Robert Bosch Gmbh Brennstoffeinspritzventil
US6814309B2 (en) 2000-11-11 2004-11-09 Robert Bosch Gmbh Fuel injector

Also Published As

Publication number Publication date
DE3120044C2 (enExample) 1990-02-15
JPH0415396B2 (enExample) 1992-03-17
JPS57198363A (en) 1982-12-04

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee