GB2424451B - Fuel injection valve for internal combustion engines - Google Patents

Fuel injection valve for internal combustion engines

Info

Publication number
GB2424451B
GB2424451B GB0602977A GB0602977A GB2424451B GB 2424451 B GB2424451 B GB 2424451B GB 0602977 A GB0602977 A GB 0602977A GB 0602977 A GB0602977 A GB 0602977A GB 2424451 B GB2424451 B GB 2424451B
Authority
GB
United Kingdom
Prior art keywords
internal combustion
fuel injection
injection valve
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 - Fee Related
Application number
GB0602977A
Other versions
GB2424451A (en
GB0602977D0 (en
Inventor
Hans-Christoph Magel
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 GB0602977D0 publication Critical patent/GB0602977D0/en
Publication of GB2424451A publication Critical patent/GB2424451A/en
Application granted granted Critical
Publication of GB2424451B publication Critical patent/GB2424451B/en
Expired - Fee Related 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
    • 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
    • F02M45/083—Having two or more closing springs acting on injection-valve
    • 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
    • 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
    • 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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0045—Three-way valves
    • 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
GB0602977A 2005-03-08 2006-02-14 Fuel injection valve for internal combustion engines Expired - Fee Related GB2424451B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510010453 DE102005010453A1 (en) 2005-03-08 2005-03-08 Fuel injection valve for internal combustion engines

Publications (3)

Publication Number Publication Date
GB0602977D0 GB0602977D0 (en) 2006-03-29
GB2424451A GB2424451A (en) 2006-09-27
GB2424451B true GB2424451B (en) 2007-03-28

Family

ID=36141830

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0602977A Expired - Fee Related GB2424451B (en) 2005-03-08 2006-02-14 Fuel injection valve for internal combustion engines

Country Status (3)

Country Link
DE (1) DE102005010453A1 (en)
FR (1) FR2883044A1 (en)
GB (1) GB2424451B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005020832A1 (en) * 2005-05-04 2006-11-09 Robert Bosch Gmbh Automotive fuel injection jet has two sliding needles both linked to a common fuel flow regulation chamber
DE102007034318A1 (en) * 2007-07-24 2009-01-29 Robert Bosch Gmbh injector
EP2060774A1 (en) * 2007-11-16 2009-05-20 Delphi Technologies, Inc. Fuel injector
ATE537352T1 (en) * 2009-06-15 2011-12-15 Delphi Tech Holding Sarl FUEL INJECTOR
DE102010064039A1 (en) * 2010-12-23 2012-06-28 Robert Bosch Gmbh Fuel injector
DE102016200237B4 (en) 2016-01-12 2022-01-20 Ford Global Technologies, Llc Direct-injection supercharged internal combustion engine with water injection and method for operating such an internal combustion engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040134465A1 (en) * 2003-01-03 2004-07-15 Joachim Boltz Inward-opening variable fuel injection nozzle
DE10305509A1 (en) * 2003-02-11 2004-08-19 Robert Bosch Gmbh Fuel injection valve for combustion engine has outer and inner injector needles provided as vario-injector needle and seating hole injector needle, respectively
DE10344942A1 (en) * 2003-09-27 2005-04-21 Bosch Gmbh Robert Fuel injection device for combustion engine has 2 valve elements that can be lift controlled by additional control surfaces acting in closing direction; spring devices, pressure surface design allows valve elements to be pressure controlled
WO2005040594A1 (en) * 2003-10-24 2005-05-06 Robert Bosch Gmbh Fuel injection valve for internal combustion engines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040134465A1 (en) * 2003-01-03 2004-07-15 Joachim Boltz Inward-opening variable fuel injection nozzle
DE10305509A1 (en) * 2003-02-11 2004-08-19 Robert Bosch Gmbh Fuel injection valve for combustion engine has outer and inner injector needles provided as vario-injector needle and seating hole injector needle, respectively
DE10344942A1 (en) * 2003-09-27 2005-04-21 Bosch Gmbh Robert Fuel injection device for combustion engine has 2 valve elements that can be lift controlled by additional control surfaces acting in closing direction; spring devices, pressure surface design allows valve elements to be pressure controlled
WO2005040594A1 (en) * 2003-10-24 2005-05-06 Robert Bosch Gmbh Fuel injection valve for internal combustion engines

Also Published As

Publication number Publication date
DE102005010453A1 (en) 2006-09-14
GB2424451A (en) 2006-09-27
GB0602977D0 (en) 2006-03-29
FR2883044A1 (en) 2006-09-15

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Legal Events

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

Effective date: 20100214