EP3329115B8 - Method for producing a nozzle body for a fluid injection valve, and fluid injection valve - Google Patents

Method for producing a nozzle body for a fluid injection valve, and fluid injection valve Download PDF

Info

Publication number
EP3329115B8
EP3329115B8 EP16734610.5A EP16734610A EP3329115B8 EP 3329115 B8 EP3329115 B8 EP 3329115B8 EP 16734610 A EP16734610 A EP 16734610A EP 3329115 B8 EP3329115 B8 EP 3329115B8
Authority
EP
European Patent Office
Prior art keywords
injection valve
fluid injection
producing
nozzle body
fluid
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
EP16734610.5A
Other languages
German (de)
French (fr)
Other versions
EP3329115B1 (en
EP3329115A1 (en
Inventor
Dejan Jovovic
Hong Zhang
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.)
Vitesco Technologies GmbH
Original Assignee
CPT Group 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 CPT Group GmbH filed Critical CPT Group GmbH
Publication of EP3329115A1 publication Critical patent/EP3329115A1/en
Publication of EP3329115B1 publication Critical patent/EP3329115B1/en
Application granted granted Critical
Publication of EP3329115B8 publication Critical patent/EP3329115B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10Other injectors with elongated valve bodies, i.e. of needle-valve type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168Assembling; Disassembling; Manufacturing; Adjusting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806Injection 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
    • F02M61/1833Discharge orifices having changing cross sections, e.g. being divergent
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806Injection 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
    • F02M61/1846Dimensional characteristics of discharge orifices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Nozzles (AREA)
EP16734610.5A 2015-07-29 2016-06-29 Method for producing a nozzle body for a fluid injection valve, and fluid injection valve Active EP3329115B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015214306.6A DE102015214306A1 (en) 2015-07-29 2015-07-29 A method of manufacturing a nozzle body for a fluid injection valve and fluid injection valve
PCT/EP2016/065131 WO2017016778A1 (en) 2015-07-29 2016-06-29 Method for producing a nozzle body for a fluid injection valve, and fluid injection valve

Publications (3)

Publication Number Publication Date
EP3329115A1 EP3329115A1 (en) 2018-06-06
EP3329115B1 EP3329115B1 (en) 2019-08-07
EP3329115B8 true EP3329115B8 (en) 2019-12-18

Family

ID=56345107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16734610.5A Active EP3329115B8 (en) 2015-07-29 2016-06-29 Method for producing a nozzle body for a fluid injection valve, and fluid injection valve

Country Status (6)

Country Link
US (1) US20180149128A1 (en)
EP (1) EP3329115B8 (en)
KR (1) KR102113932B1 (en)
CN (1) CN107850028B (en)
DE (1) DE102015214306A1 (en)
WO (1) WO2017016778A1 (en)

Family Cites Families (18)

* 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
GB9203658D0 (en) * 1992-02-19 1992-04-08 Lucas Ind Plc Fuel injection nozzles
US6908049B2 (en) * 2003-11-14 2005-06-21 Alfred J. Buescher Diesel injection nozzle
DE102006013962A1 (en) * 2006-03-27 2007-10-04 Robert Bosch Gmbh Injection nozzle with injection channels and method for introducing channels
DE102006043460A1 (en) * 2006-09-15 2008-03-27 Man Diesel Se Method for optimizing injection nozzle for internal combustion engine, involves sliding nozzle body and needle axially in bore of body, where particle swarm optimization is used for geometric arrangement of nozzle
GB0625770D0 (en) * 2006-12-22 2007-02-07 Delphi Tech Inc Fuel injector for an internal combustion engine
CN201007251Y (en) * 2007-01-16 2008-01-16 郭义成 Pin valve body with seat face stepdouble cones structure
DE102008039920A1 (en) * 2008-08-27 2010-03-04 Continental Automotive Gmbh Nozzle body, nozzle assembly and fuel injector, and method of making a nozzle body
DE102008055069A1 (en) * 2008-12-22 2010-07-01 Robert Bosch Gmbh Fuel injection valve for internal combustion engines, has valve body, in which pressure chamber is formed, and valve needle is arranged in longitudinally sliding manner in pressure chamber
JP2011127487A (en) * 2009-12-16 2011-06-30 Denso Corp Fuel injection valve
DE102010032050B4 (en) * 2010-07-23 2017-12-21 Continental Automotive Gmbh Nozzle body with blind hole
JP5537512B2 (en) * 2011-07-25 2014-07-02 日立オートモティブシステムズ株式会社 Fuel injection valve
DE102011089512A1 (en) * 2011-12-22 2013-06-27 Continental Automotive Gmbh Method for manufacturing nozzle assembly of injection valve used for combustion engine of motor car, involves introducing conical stepped recess into die casing, based on cone angle of recess
DE102012006127A1 (en) * 2012-03-20 2013-09-26 Sitec Automation Gmbh Method for electrochemical processing of cross-sections of holes and openings in workpiece, involves applying electrolyte beam to hole such that beam is passed through inlet cross-section of hole toward outlet cross-section
US9151259B2 (en) * 2012-06-11 2015-10-06 Continental Automotive Systems, Inc. Stepped orifice hole
JP6166168B2 (en) * 2013-12-11 2017-07-19 株式会社デンソー Fuel injection valve
EP2905457B1 (en) * 2014-01-15 2018-08-29 Continental Automotive GmbH Valve assembly and fluid injector for a combustion engine
JP5943060B2 (en) * 2014-12-18 2016-06-29 株式会社デンソー Fuel injection device

Also Published As

Publication number Publication date
DE102015214306A1 (en) 2017-02-02
EP3329115B1 (en) 2019-08-07
CN107850028A (en) 2018-03-27
US20180149128A1 (en) 2018-05-31
KR102113932B1 (en) 2020-05-21
EP3329115A1 (en) 2018-06-06
CN107850028B (en) 2021-06-08
WO2017016778A1 (en) 2017-02-02
KR20180034625A (en) 2018-04-04

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