EP0890735A3 - Soupape d'injection de combustible - Google Patents

Soupape d'injection de combustible Download PDF

Info

Publication number
EP0890735A3
EP0890735A3 EP98109048A EP98109048A EP0890735A3 EP 0890735 A3 EP0890735 A3 EP 0890735A3 EP 98109048 A EP98109048 A EP 98109048A EP 98109048 A EP98109048 A EP 98109048A EP 0890735 A3 EP0890735 A3 EP 0890735A3
Authority
EP
European Patent Office
Prior art keywords
valve
fuel injection
spray holes
injection valve
valve body
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
EP98109048A
Other languages
German (de)
English (en)
Other versions
EP0890735A2 (fr
EP0890735B1 (fr
EP0890735B2 (fr
Inventor
Karl Hofmann
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=7835445&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0890735(A3) "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
Publication of EP0890735A2 publication Critical patent/EP0890735A2/fr
Publication of EP0890735A3 publication Critical patent/EP0890735A3/fr
Publication of EP0890735B1 publication Critical patent/EP0890735B1/fr
Application granted granted Critical
Publication of EP0890735B2 publication Critical patent/EP0890735B2/fr
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
    • 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
    • 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
    • F02M61/184—Discharge orifices having non circular sections

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)
EP98109048.3A 1997-07-11 1998-05-19 Soupape d'injection de combustible Expired - Lifetime EP0890735B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19729827A DE19729827A1 (de) 1997-07-11 1997-07-11 Kraftstoffeinspritzventil
DE19729827 1997-07-11

Publications (4)

Publication Number Publication Date
EP0890735A2 EP0890735A2 (fr) 1999-01-13
EP0890735A3 true EP0890735A3 (fr) 2001-10-10
EP0890735B1 EP0890735B1 (fr) 2006-10-18
EP0890735B2 EP0890735B2 (fr) 2014-09-10

Family

ID=7835445

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98109048.3A Expired - Lifetime EP0890735B2 (fr) 1997-07-11 1998-05-19 Soupape d'injection de combustible

Country Status (4)

Country Link
US (1) US5992766A (fr)
EP (1) EP0890735B2 (fr)
JP (1) JP4154033B2 (fr)
DE (2) DE19729827A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914719C2 (de) * 1999-03-31 2001-05-03 Siemens Ag Vorrichtung zum hydroerosiven Runden von Einlaufkanten der Spritzlochkanäle in einem Düsenkörper
DE19931890A1 (de) * 1999-07-08 2001-01-18 Siemens Ag Düsenkörper für eine Kraftstoffeinspritzdüse mit optimierter Spritzlochkanalgeometrie
JP4189714B2 (ja) 2000-08-03 2008-12-03 株式会社デンソー 燃料噴射装置
DE10156020A1 (de) * 2001-11-15 2003-07-17 Bosch Gmbh Robert Brennstoffeinspritzventil
DE10219608A1 (de) * 2002-05-02 2003-11-20 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE10330256A1 (de) † 2003-07-04 2005-01-20 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102004062008A1 (de) * 2004-12-23 2006-07-13 Robert Bosch Gmbh Kraftstofffilter mit Auslassöffnungen, die vorzugsweise mit einem hydroerosiven Verfahren bearbeitet sind
US7572997B2 (en) * 2007-02-28 2009-08-11 Caterpillar Inc. EDM process for manufacturing reverse tapered holes
EP2333307A4 (fr) * 2008-09-24 2013-03-13 Toyota Motor Co Ltd Soupape d'injection de carburant pour moteur à combustion interne et son procédé de fabrication
WO2019030078A1 (fr) * 2017-08-08 2019-02-14 Robert Bosch Gmbh Buse d'injecteur de carburant
DE102019202073A1 (de) 2019-02-15 2020-08-20 Robert Bosch Gmbh Verfahren zum Herstellen einer Einspritzdüse zum Einspritzen von Kraftstoff in einen Brennraum einer Brennkraftmaschine und Düsenanordnung mit einer Einspritzdüse

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069978A (en) * 1975-12-20 1978-01-24 Klockner-Humboldt-Deutz Aktiengesellschaft Fuel injection valve
US4578164A (en) * 1983-08-24 1986-03-25 Nissan Motor Co., Ltd. Method of electrolytically finishing spray-hole of fuel injection nozzle
JPH0267459A (ja) * 1988-08-31 1990-03-07 Nippon Denso Co Ltd 燃料噴射ノズル
EP0370659A1 (fr) * 1988-11-19 1990-05-30 Lucas Industries Public Limited Company Buse d'injection de combustible
DE19507188C1 (de) * 1995-03-02 1996-08-14 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
EP0809017A1 (fr) * 1996-05-22 1997-11-26 Steyr-Daimler-Puch Aktiengesellschaft Injecteur de carburant à deux étages pour moteurs à combustion interne

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58106167A (ja) † 1981-12-21 1983-06-24 Hino Motors Ltd 内燃機関の燃料噴射ノズル
JPS6049262U (ja) * 1983-09-14 1985-04-06 日産自動車株式会社 デイ−ゼル機関用燃料噴射弁
JPH0494452A (ja) * 1990-08-08 1992-03-26 Nissan Motor Co Ltd 燃料噴射ノズル
JPH0583367U (ja) * 1992-04-20 1993-11-12 日産ディーゼル工業株式会社 直噴式ディーゼルエンジンの燃料噴射ノズル

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069978A (en) * 1975-12-20 1978-01-24 Klockner-Humboldt-Deutz Aktiengesellschaft Fuel injection valve
US4578164A (en) * 1983-08-24 1986-03-25 Nissan Motor Co., Ltd. Method of electrolytically finishing spray-hole of fuel injection nozzle
JPH0267459A (ja) * 1988-08-31 1990-03-07 Nippon Denso Co Ltd 燃料噴射ノズル
EP0370659A1 (fr) * 1988-11-19 1990-05-30 Lucas Industries Public Limited Company Buse d'injection de combustible
DE19507188C1 (de) * 1995-03-02 1996-08-14 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
EP0809017A1 (fr) * 1996-05-22 1997-11-26 Steyr-Daimler-Puch Aktiengesellschaft Injecteur de carburant à deux étages pour moteurs à combustion interne

Also Published As

Publication number Publication date
US5992766A (en) 1999-11-30
EP0890735A2 (fr) 1999-01-13
DE19729827A1 (de) 1999-01-14
EP0890735B1 (fr) 2006-10-18
JPH1193806A (ja) 1999-04-06
DE59813768D1 (de) 2006-11-30
JP4154033B2 (ja) 2008-09-24
EP0890735B2 (fr) 2014-09-10

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