DE50207439D1 - FUEL INJECTION DEVICE WITH TWO COAXIAL VALVE ELEMENTS - Google Patents

FUEL INJECTION DEVICE WITH TWO COAXIAL VALVE ELEMENTS

Info

Publication number
DE50207439D1
DE50207439D1 DE50207439T DE50207439T DE50207439D1 DE 50207439 D1 DE50207439 D1 DE 50207439D1 DE 50207439 T DE50207439 T DE 50207439T DE 50207439 T DE50207439 T DE 50207439T DE 50207439 D1 DE50207439 D1 DE 50207439D1
Authority
DE
Germany
Prior art keywords
fuel injection
injection device
valve elements
coaxial valve
coaxial
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
DE50207439T
Other languages
German (de)
Inventor
Detlev Potz
Gerhard Mack
Thomas Kuegler
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 DE50207439T priority Critical patent/DE50207439D1/en
Application granted granted Critical
Publication of DE50207439D1 publication Critical patent/DE50207439D1/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
    • F02M61/18—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
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • 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)
  • Fuel-Injection Apparatus (AREA)
DE50207439T 2001-04-17 2002-04-04 FUEL INJECTION DEVICE WITH TWO COAXIAL VALVE ELEMENTS Expired - Lifetime DE50207439D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50207439T DE50207439D1 (en) 2001-04-17 2002-04-04 FUEL INJECTION DEVICE WITH TWO COAXIAL VALVE ELEMENTS

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2001118699 DE10118699A1 (en) 2001-04-17 2001-04-17 Fuel injection device and fuel system for internal combustion engines, and internal combustion engine
DE50207439T DE50207439D1 (en) 2001-04-17 2002-04-04 FUEL INJECTION DEVICE WITH TWO COAXIAL VALVE ELEMENTS
PCT/DE2002/001234 WO2002084110A1 (en) 2001-04-17 2002-04-04 Fuel injection device with two coaxial valve elements and fuel system for internal combustion engines, as well as internal combustion engine

Publications (1)

Publication Number Publication Date
DE50207439D1 true DE50207439D1 (en) 2006-08-17

Family

ID=7681665

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2001118699 Ceased DE10118699A1 (en) 2001-04-17 2001-04-17 Fuel injection device and fuel system for internal combustion engines, and internal combustion engine
DE50207439T Expired - Lifetime DE50207439D1 (en) 2001-04-17 2002-04-04 FUEL INJECTION DEVICE WITH TWO COAXIAL VALVE ELEMENTS

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2001118699 Ceased DE10118699A1 (en) 2001-04-17 2001-04-17 Fuel injection device and fuel system for internal combustion engines, and internal combustion engine

Country Status (6)

Country Link
EP (1) EP1381774B1 (en)
JP (1) JP4076142B2 (en)
BR (1) BR0204830A (en)
DE (2) DE10118699A1 (en)
PL (1) PL358121A1 (en)
WO (1) WO2002084110A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1482165A1 (en) * 2003-05-26 2004-12-01 Siemens Aktiengesellschaft Multi orifice injector for internal combustion engine and method of using a multiple orifice injector
DE10326044A1 (en) * 2003-06-10 2004-12-30 Robert Bosch Gmbh Injection nozzle for internal combustion engines
DE10341452A1 (en) * 2003-09-09 2005-03-31 Robert Bosch Gmbh Fuel injection valve for internal combustion engines
DE10348978A1 (en) * 2003-10-22 2005-05-25 Robert Bosch Gmbh Fuel injection device, in particular for a direct injection internal combustion engine
DE102004015361A1 (en) * 2004-03-30 2005-10-20 Bosch Gmbh Robert Valve for injecting fuel
US7243862B2 (en) 2004-04-07 2007-07-17 Delphi Technologies, Inc. Apparatus and method for mode-switching fuel injector nozzle
DE102004020550A1 (en) * 2004-04-27 2005-11-24 Robert Bosch Gmbh injection
TR200402048A1 (en) * 2004-08-18 2006-03-21 Robert Bosch Gmbh Variable cross-section injector nozzle with hydraulic control.
DE102004046899A1 (en) * 2004-09-28 2006-03-30 Robert Bosch Gmbh Fuel injector
TR200504275A1 (en) * 2005-10-26 2007-10-22 Robert Bosch Gmbh Conical fuel channel injector system.
DE102006012842A1 (en) * 2006-03-21 2007-09-27 Robert Bosch Gmbh Fuel injection valves for internal combustion engines
DE102010040309A1 (en) 2010-09-07 2012-03-08 Robert Bosch Gmbh Fuel injector
DE102010040307A1 (en) 2010-09-07 2012-03-08 Robert Bosch Gmbh Fuel injection valve, particularly injector for fuel injection systems of air-compressing, self-igniting internal combustion engines, has nozzle body, which has nozzle opening at one end

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2710138A1 (en) * 1977-03-09 1978-09-14 Maschf Augsburg Nuernberg Ag MULTI-HOLE INJECTION NOZZLE
DE3036583A1 (en) * 1980-09-27 1982-05-13 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION NOZZLE
DE3214040A1 (en) * 1982-04-16 1983-10-20 Volkswagenwerk Ag, 3180 Wolfsburg Fuel injection nozzle, especially for a high-speed vehicle diesel engine
EP0267203A1 (en) * 1986-04-25 1988-05-18 VOEST-ALPINE AUTOMOTIVE Gesellschaft m.b.H. 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
DE4023223A1 (en) * 1990-07-21 1992-01-23 Bosch Gmbh Robert FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
DE19739905A1 (en) * 1997-09-11 1999-03-18 Bosch Gmbh Robert Fuel injector
EP0967382B1 (en) * 1998-06-24 2004-11-24 Delphi Technologies, Inc. Fuel injector
GB9914642D0 (en) * 1999-06-24 1999-08-25 Lucas Ind Plc Fuel injector
ATE472677T1 (en) * 1999-10-06 2010-07-15 Delphi Tech Holding Sarl FUEL INJECTION VALVE
DE10034444A1 (en) * 2000-07-15 2002-01-24 Bosch Gmbh Robert Fuel injector

Also Published As

Publication number Publication date
JP4076142B2 (en) 2008-04-16
BR0204830A (en) 2003-04-29
DE10118699A1 (en) 2002-10-31
PL358121A1 (en) 2004-08-09
EP1381774A1 (en) 2004-01-21
JP2004518907A (en) 2004-06-24
WO2002084110A1 (en) 2002-10-24
EP1381774B1 (en) 2006-07-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition