GB2189546B - Fuel injection nozzle for internal-combustion engines - Google Patents

Fuel injection nozzle for internal-combustion engines

Info

Publication number
GB2189546B
GB2189546B GB8707267A GB8707267A GB2189546B GB 2189546 B GB2189546 B GB 2189546B GB 8707267 A GB8707267 A GB 8707267A GB 8707267 A GB8707267 A GB 8707267A GB 2189546 B GB2189546 B GB 2189546B
Authority
GB
United Kingdom
Prior art keywords
internal
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
Application number
GB8707267A
Other versions
GB8707267D0 (en
GB2189546A (en
Inventor
Karl Hofmann
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
Publication of GB8707267D0 publication Critical patent/GB8707267D0/en
Publication of GB2189546A publication Critical patent/GB2189546A/en
Application granted granted Critical
Publication of GB2189546B publication Critical patent/GB2189546B/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
    • 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)
GB8707267A 1986-04-25 1987-03-26 Fuel injection nozzle for internal-combustion engines Expired GB2189546B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863613981 DE3613981A1 (en) 1986-04-25 1986-04-25 FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES

Publications (3)

Publication Number Publication Date
GB8707267D0 GB8707267D0 (en) 1987-04-29
GB2189546A GB2189546A (en) 1987-10-28
GB2189546B true GB2189546B (en) 1989-12-13

Family

ID=6299492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8707267A Expired GB2189546B (en) 1986-04-25 1987-03-26 Fuel injection nozzle for internal-combustion engines

Country Status (3)

Country Link
JP (1) JPS62258159A (en)
DE (1) DE3613981A1 (en)
GB (1) GB2189546B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811885C2 (en) * 1988-04-09 1994-10-06 Daimler Benz Ag Fuel injection device with pre-injection and main injection for an internal combustion engine, in particular those with air compression and auto-ignition
DE4101235C1 (en) * 1991-01-17 1992-06-04 Robert Bosch Gmbh, 7000 Stuttgart, De
DE4315233A1 (en) * 1993-05-07 1994-07-28 Daimler Benz Ag Direct injection internal combustion engine

Also Published As

Publication number Publication date
DE3613981A1 (en) 1987-10-29
GB8707267D0 (en) 1987-04-29
GB2189546A (en) 1987-10-28
JPS62258159A (en) 1987-11-10

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Legal Events

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

Effective date: 19940326