DE3767972D1 - FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES. - Google Patents

FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES.

Info

Publication number
DE3767972D1
DE3767972D1 DE8787114511T DE3767972T DE3767972D1 DE 3767972 D1 DE3767972 D1 DE 3767972D1 DE 8787114511 T DE8787114511 T DE 8787114511T DE 3767972 T DE3767972 T DE 3767972T DE 3767972 D1 DE3767972 D1 DE 3767972D1
Authority
DE
Germany
Prior art keywords
internal combustion
fuel injection
injection nozzle
combustion engines
engines
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 - Lifetime
Application number
DE8787114511T
Other languages
German (de)
Inventor
Karl Hofmann
Paul Fuessner
Kurt Seifert
Wilhelm Christ
Siegfried Schlaf
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 DE8787114511T priority Critical patent/DE3767972D1/en
Application granted granted Critical
Publication of DE3767972D1 publication Critical patent/DE3767972D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
    • 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
    • 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
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
    • F02M2200/505—Adjusting spring tension by sliding spring seats

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE8787114511T 1986-11-05 1987-10-05 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES. Expired - Lifetime DE3767972D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787114511T DE3767972D1 (en) 1986-11-05 1987-10-05 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863637729 DE3637729A1 (en) 1986-11-05 1986-11-05 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
DE8787114511T DE3767972D1 (en) 1986-11-05 1987-10-05 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES.

Publications (1)

Publication Number Publication Date
DE3767972D1 true DE3767972D1 (en) 1991-03-14

Family

ID=6313248

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19863637729 Withdrawn DE3637729A1 (en) 1986-11-05 1986-11-05 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
DE8787114511T Expired - Lifetime DE3767972D1 (en) 1986-11-05 1987-10-05 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19863637729 Withdrawn DE3637729A1 (en) 1986-11-05 1986-11-05 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES

Country Status (3)

Country Link
EP (1) EP0267421B1 (en)
JP (1) JPS63117162A (en)
DE (2) DE3637729A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907569A1 (en) * 1989-03-09 1990-09-13 Bosch Gmbh Robert FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2301628A1 (en) * 1973-01-13 1974-07-18 Bosch Gmbh Robert FUEL INJECTOR
DE2812519C2 (en) * 1978-03-22 1984-05-30 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Fuel injection nozzle with needle lift control for direct injection internal combustion engines
JPS57102527A (en) * 1980-12-15 1982-06-25 Diesel Kiki Co Ltd Fuel injection nozzle unit
EP0267177A1 (en) * 1986-10-30 1988-05-11 VOEST-ALPINE AUTOMOTIVE Gesellschaft m.b.H. Fuel injection nozzle

Also Published As

Publication number Publication date
DE3637729A1 (en) 1988-05-11
EP0267421A1 (en) 1988-05-18
EP0267421B1 (en) 1991-02-06
JPS63117162A (en) 1988-05-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee