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DE50211662D1 - Fuel injector - Google Patents

Fuel injector

Info

Publication number
DE50211662D1
DE50211662D1 DE50211662T DE50211662T DE50211662D1 DE 50211662 D1 DE50211662 D1 DE 50211662D1 DE 50211662 T DE50211662 T DE 50211662T DE 50211662 T DE50211662 T DE 50211662T DE 50211662 D1 DE50211662 D1 DE 50211662D1
Authority
DE
Germany
Prior art keywords
fuel injector
injector
fuel
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
DE50211662T
Other languages
German (de)
Inventor
Gerhard Suchomel
Josef Pickel
Fridolin Zeck
Juergen Schubert
Friedrich Weis
Mattias Klinger
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7705780&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE50211662(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of DE50211662D1 publication Critical patent/DE50211662D1/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
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached 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
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M61/1833—Discharge orifices having changing cross sections, e.g. being divergent
    • 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
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8069—Fuel injection apparatus manufacture, repair or assembly involving removal of material from the fuel apparatus, e.g. by punching, hydro-erosion or mechanical operation
    • 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
    • F02M61/165—Filtering elements specially adapted in fuel inlets to injector

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
DE50211662T 2001-11-15 2002-11-07 Fuel injector Expired - Lifetime DE50211662D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001156020 DE10156020A1 (en) 2001-11-15 2001-11-15 Fuel injector

Publications (1)

Publication Number Publication Date
DE50211662D1 true DE50211662D1 (en) 2008-03-27

Family

ID=7705780

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2001156020 Withdrawn DE10156020A1 (en) 2001-11-15 2001-11-15 Fuel injector
DE50211662T Expired - Lifetime DE50211662D1 (en) 2001-11-15 2002-11-07 Fuel injector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2001156020 Withdrawn DE10156020A1 (en) 2001-11-15 2001-11-15 Fuel injector

Country Status (3)

Country Link
EP (1) EP1312796B1 (en)
JP (1) JP2003184706A (en)
DE (2) DE10156020A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2876750B1 (en) * 2004-10-19 2010-09-17 Renault Sas INJECTION NOZZLE HAVING DIFFERENT HOLES OF CONICITY AND ENGINE COMPRISING SUCH A NOZZLE
JP4079144B2 (en) 2004-12-20 2008-04-23 株式会社豊田中央研究所 Fuel injection valve
ATE524537T1 (en) * 2006-08-04 2011-09-15 Infineum Int Ltd METHOD AND APPLICATION FOR PREVENTING DEPOSITS IN A FUEL INJECTOR
US20080060608A1 (en) * 2006-09-07 2008-03-13 Angela Priscilla Breakspear Method and use for the prevention of fuel injector deposits
EP1900795A1 (en) * 2006-09-07 2008-03-19 Infineum International Limited Method and use for the prevention of fuel injector deposits
AT512423A1 (en) * 2012-02-07 2013-08-15 Bosch Gmbh Robert INJECTION NOZZLE FOR INJECTING MEDIA TO THE COMBUSTION ENGINE OF AN INTERNAL COMBUSTION ENGINE
JP6036354B2 (en) * 2013-02-04 2016-11-30 日立オートモティブシステムズ株式会社 Fuel injection valve
DE102016208080A1 (en) * 2016-05-11 2017-11-16 Volkswagen Ag Fuel injection valve and method for producing a fuel injection valve
DE102018113660A1 (en) * 2018-06-08 2019-12-12 Liebherr-Components Deggendorf Gmbh Nozzle for injecting fuel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8817774D0 (en) * 1988-07-26 1988-09-01 Lucas Ind Plc Fuel injectors for i c engines
GB8827107D0 (en) * 1988-11-19 1988-12-21 Lucas Ind Plc Fuel injection nozzle
US5026462A (en) * 1990-03-06 1991-06-25 Ail Corporation Method and apparatus for electrochemical machining of spray holes in fuel injection nozzles
DE29624247U1 (en) * 1995-08-04 2001-05-23 Dynetics Corp., Woburn, Mass. Installation for shaping an opening with an abrasive sludge
DE19729827A1 (en) * 1997-07-11 1999-01-14 Bosch Gmbh Robert Fuel injector
DE19804463B4 (en) 1998-02-05 2006-06-14 Daimlerchrysler Ag Fuel injection system for gasoline engines
DE19914719C2 (en) * 1999-03-31 2001-05-03 Siemens Ag Device for hydroerosive rounding of inlet edges of the spray hole channels in a nozzle body
JP3879909B2 (en) * 2001-03-29 2007-02-14 株式会社デンソー Fuel injection device

Also Published As

Publication number Publication date
DE10156020A1 (en) 2003-07-17
EP1312796A2 (en) 2003-05-21
JP2003184706A (en) 2003-07-03
EP1312796B1 (en) 2008-02-13
EP1312796A3 (en) 2006-02-01

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings