EP0978649A3 - Fuel injection nozzle - Google Patents

Fuel injection nozzle Download PDF

Info

Publication number
EP0978649A3
EP0978649A3 EP99115711A EP99115711A EP0978649A3 EP 0978649 A3 EP0978649 A3 EP 0978649A3 EP 99115711 A EP99115711 A EP 99115711A EP 99115711 A EP99115711 A EP 99115711A EP 0978649 A3 EP0978649 A3 EP 0978649A3
Authority
EP
European Patent Office
Prior art keywords
fuel injection
injection nozzle
nozzle
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.)
Granted
Application number
EP99115711A
Other languages
German (de)
French (fr)
Other versions
EP0978649B1 (en
EP0978649A2 (en
Inventor
Hakan Yalcin
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0978649A2 publication Critical patent/EP0978649A2/en
Publication of EP0978649A3 publication Critical patent/EP0978649A3/en
Application granted granted Critical
Publication of EP0978649B1 publication Critical patent/EP0978649B1/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
    • 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
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing 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)
EP99115711A 1998-08-06 1999-08-06 Fuel injection nozzle Expired - Lifetime EP0978649B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19835629 1998-08-06
DE19835629 1998-08-06

Publications (3)

Publication Number Publication Date
EP0978649A2 EP0978649A2 (en) 2000-02-09
EP0978649A3 true EP0978649A3 (en) 2003-01-29
EP0978649B1 EP0978649B1 (en) 2004-05-12

Family

ID=7876716

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99115711A Expired - Lifetime EP0978649B1 (en) 1998-08-06 1999-08-06 Fuel injection nozzle

Country Status (2)

Country Link
EP (1) EP0978649B1 (en)
DE (1) DE59909449D1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10122241A1 (en) * 2001-05-08 2002-12-05 Bosch Gmbh Robert Fuel injection valve for internal combustion engines
DE10133434A1 (en) * 2001-07-10 2003-01-23 Bosch Gmbh Robert Fuel injection valve for internal combustion engine has second control chamber whose pressure can be regulated and moves inner valve needle in closing direction
DE10205970A1 (en) * 2002-02-14 2003-09-04 Bosch Gmbh Robert Fuel injection valve for internal combustion engines
DE10248379A1 (en) * 2002-10-17 2004-04-29 Robert Bosch Gmbh Fuel injection device for an internal combustion engine
DE10323871A1 (en) * 2003-05-26 2004-08-05 Siemens Ag Injector with register nozzle for fuel injection into internal combustion engine combustion chamber has injection holes of two hole circle planes formed with differently sized cross-sectional areas
DE10326044A1 (en) * 2003-06-10 2004-12-30 Robert Bosch Gmbh Injection nozzle for internal combustion engines
DE10338768A1 (en) * 2003-08-25 2005-03-24 Robert Bosch Gmbh Fuel injector, for an IC motor, has a hollow sliding needle which controls the outer injection opening(s) at a valve seat and a coaxial sliding valve needle for the inner injection opening(s)
WO2005073546A1 (en) * 2004-02-02 2005-08-11 Siemens Aktiengesellschaft Nozzle member, and valve
DE102004014198B3 (en) * 2004-03-23 2005-10-13 Siemens Ag Servo valve and injector
DE102004036367B3 (en) * 2004-07-27 2005-10-13 Siemens Ag Fuel injection valve for internal combustion engine has body with recess for an outer jet needle, and inner jet needle in recess in outer jet needle
TR200402048A1 (en) * 2004-08-18 2006-03-21 Robert Bosch Gmbh Variable cross-section injector nozzle with hydraulic control.
DE102004041172B3 (en) * 2004-08-25 2006-01-05 Siemens Ag Fuel injection valve for internal combustion engines has servo valve, body and inner and outer nozzle needles constructed so that depending upon position of outer piston of servo valve the position of outer nozzle needle is adjustable
DE102004042190B4 (en) 2004-08-31 2009-04-16 Continental Automotive Gmbh Fuel injector with two separately controlled by a servo valve control chambers
DE102004042558B4 (en) * 2004-09-02 2007-12-13 Siemens Ag Fuel injector with a controlled by a servo valve unit register nozzle
DE102004046191B3 (en) * 2004-09-23 2006-04-13 Siemens Ag Servo valve and injector
DE102004049702B3 (en) 2004-10-12 2006-03-09 Siemens Ag Servo valve and injector
DE102004051406B4 (en) * 2004-10-21 2008-03-20 Siemens Ag Fuel injector with a guided in the nozzle body hollow needle Registerdüse
ATE487048T1 (en) * 2005-03-04 2010-11-15 Delphi Tech Holding Sarl INJECTOR
DE102005025638B4 (en) * 2005-06-03 2007-09-20 Siemens Ag Switching valve and injector and a method of controlling an injector
EP2765300A1 (en) * 2013-02-11 2014-08-13 Continental Automotive GmbH Valve assembly, fluid injection valve and method for operating the fluid injection valve
DE102013220794A1 (en) 2013-10-15 2015-06-03 Continental Automotive Gmbh Injection valve and device for operating an injection valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0054612A1 (en) * 1980-12-20 1982-06-30 Robert Bosch Gmbh Fuel injection nozzle for internal-combustion engines
DE4115457A1 (en) * 1990-05-17 1991-11-21 Avl Verbrennungskraft Messtech Injection nozzle for IC engine - incorporates hollow needle controlling first group of injection holes and loaded towards closure position by spring
DE4432686A1 (en) * 1994-09-14 1996-05-23 Man B & W Diesel Ag IC engine fuel injection nozzle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0054612A1 (en) * 1980-12-20 1982-06-30 Robert Bosch Gmbh Fuel injection nozzle for internal-combustion engines
DE4115457A1 (en) * 1990-05-17 1991-11-21 Avl Verbrennungskraft Messtech Injection nozzle for IC engine - incorporates hollow needle controlling first group of injection holes and loaded towards closure position by spring
DE4432686A1 (en) * 1994-09-14 1996-05-23 Man B & W Diesel Ag IC engine fuel injection nozzle

Also Published As

Publication number Publication date
EP0978649B1 (en) 2004-05-12
EP0978649A2 (en) 2000-02-09
DE59909449D1 (en) 2004-06-17

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