DE502004005873D1 - INJECTOR - Google Patents

INJECTOR

Info

Publication number
DE502004005873D1
DE502004005873D1 DE502004005873T DE502004005873T DE502004005873D1 DE 502004005873 D1 DE502004005873 D1 DE 502004005873D1 DE 502004005873 T DE502004005873 T DE 502004005873T DE 502004005873 T DE502004005873 T DE 502004005873T DE 502004005873 D1 DE502004005873 D1 DE 502004005873D1
Authority
DE
Germany
Prior art keywords
injector
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.)
Active
Application number
DE502004005873T
Other languages
German (de)
Inventor
Kilian Bucher
Oezguer Tuerker
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 DE502004005873D1 publication Critical patent/DE502004005873D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0005—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using valves actuated by fluid pressure
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
DE502004005873T 2003-12-16 2004-10-19 INJECTOR Active DE502004005873D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003158861 DE10358861A1 (en) 2003-12-16 2003-12-16 injection
PCT/DE2004/002325 WO2005059350A1 (en) 2003-12-16 2004-10-19 Injection nozzle

Publications (1)

Publication Number Publication Date
DE502004005873D1 true DE502004005873D1 (en) 2008-02-14

Family

ID=34672798

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2003158861 Withdrawn DE10358861A1 (en) 2003-12-16 2003-12-16 injection
DE502004005873T Active DE502004005873D1 (en) 2003-12-16 2004-10-19 INJECTOR

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2003158861 Withdrawn DE10358861A1 (en) 2003-12-16 2003-12-16 injection

Country Status (3)

Country Link
EP (1) EP1704322B1 (en)
DE (2) DE10358861A1 (en)
WO (1) WO2005059350A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006013962A1 (en) 2006-03-27 2007-10-04 Robert Bosch Gmbh Injection nozzle with injection channels and method for introducing channels
FI20115418A0 (en) * 2011-05-03 2011-05-03 Waertsilae Finland Oy FUEL INJECTION UNIT AND SYSTEM
CN116044630B (en) * 2023-03-30 2023-07-21 哈尔滨工程大学 High-pressure common rail oil sprayer capable of realizing low pressure fluctuation based on multistage spring piston

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60125767A (en) * 1983-12-09 1985-07-05 Nissan Motor Co Ltd Fuel injection nozzle of diesel engine
GB8710976D0 (en) * 1987-05-08 1987-06-10 Lucas Ind Plc Fuel injection nozzle
DE4432686C2 (en) * 1994-09-14 1996-09-05 Man B & W Diesel Ag Cross-section controlled injection nozzle
DE10010863A1 (en) * 2000-03-06 2001-09-27 Bosch Gmbh Robert Fuel injection nozzle; has nozzle body with two groups of nozzle holes opened and closed by two nozzle needles, which are independently operated and are arranged next to each other

Also Published As

Publication number Publication date
DE10358861A1 (en) 2005-07-14
WO2005059350A1 (en) 2005-06-30
EP1704322A1 (en) 2006-09-27
EP1704322B1 (en) 2008-01-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition