EP2146087A8 - Kraftstoffeinspritzvorrichtung für Dieselmotor, Verfahren zu deren Herstellung und Ventileinheit - Google Patents

Kraftstoffeinspritzvorrichtung für Dieselmotor, Verfahren zu deren Herstellung und Ventileinheit Download PDF

Info

Publication number
EP2146087A8
EP2146087A8 EP09008133A EP09008133A EP2146087A8 EP 2146087 A8 EP2146087 A8 EP 2146087A8 EP 09008133 A EP09008133 A EP 09008133A EP 09008133 A EP09008133 A EP 09008133A EP 2146087 A8 EP2146087 A8 EP 2146087A8
Authority
EP
European Patent Office
Prior art keywords
seat
nozzle body
diesel engine
injection device
fuel injection
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
EP09008133A
Other languages
English (en)
French (fr)
Other versions
EP2146087A3 (de
EP2146087A2 (de
EP2146087B1 (de
Inventor
Takaaki Kuwahara
Takayuki Shimogishi
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.)
Niigata Power Systems Co Ltd
Nico Precision Co Inc
Original Assignee
NICO PREC CO Inc
Niigata Power Systems Co Ltd
Nico Precision Co Inc
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 NICO PREC CO Inc, Niigata Power Systems Co Ltd, Nico Precision Co Inc filed Critical NICO PREC CO Inc
Publication of EP2146087A2 publication Critical patent/EP2146087A2/de
Publication of EP2146087A8 publication Critical patent/EP2146087A8/de
Publication of EP2146087A3 publication Critical patent/EP2146087A3/de
Application granted granted Critical
Publication of EP2146087B1 publication Critical patent/EP2146087B1/de
Active 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
    • 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
    • F02M61/166—Selection of particular materials
    • 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
    • F02M61/1886—Details of valve seats not covered by groups F02M61/1866 - F02M61/188
    • 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
    • F02M61/1893—Details of valve member ends not covered by groups F02M61/1866 - F02M61/188
    • 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
    • F02M2200/02—Fuel-injection apparatus having means for reducing wear
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9053—Metals
    • F02M2200/9061—Special treatments for modifying the properties of metals used for fuel injection apparatus, e.g. modifying mechanical or electromagnetic properties

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)
EP09008133A 2008-06-24 2009-06-22 Kraftstoffeinspritzvorrichtung für Dieselmotor, Verfahren zu deren Herstellung und Ventileinheit Active EP2146087B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008164008A JP4686575B2 (ja) 2008-06-24 2008-06-24 ディーゼルエンジン用燃料噴射装置及びその製造方法並びに弁装置

Publications (4)

Publication Number Publication Date
EP2146087A2 EP2146087A2 (de) 2010-01-20
EP2146087A8 true EP2146087A8 (de) 2010-04-14
EP2146087A3 EP2146087A3 (de) 2010-11-03
EP2146087B1 EP2146087B1 (de) 2012-12-12

Family

ID=41393835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09008133A Active EP2146087B1 (de) 2008-06-24 2009-06-22 Kraftstoffeinspritzvorrichtung für Dieselmotor, Verfahren zu deren Herstellung und Ventileinheit

Country Status (3)

Country Link
EP (1) EP2146087B1 (de)
JP (1) JP4686575B2 (de)
KR (1) KR101122187B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014213510A1 (de) * 2014-07-11 2016-02-18 Robert Bosch Gmbh Verfahren zum Nitrieren eines Bauteils eines Kraftstoffeinspritzsystems
DE102014218488A1 (de) * 2014-09-15 2016-03-17 Robert Bosch Gmbh Verfahren zum Nitrieren eines Bauteils eines Kraftstoffeinspritzsystems
KR101638815B1 (ko) 2016-01-07 2016-07-25 한빛정공(주) 4 행정용 인젝션 밸브
KR101990986B1 (ko) * 2018-12-31 2019-06-20 안전공업주식회사 고출력 및 고온 엔진용 밸브의 스템부 표면질화 구조 및 표면질화 처리방법

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3667704D1 (de) * 1985-08-10 1990-01-25 Bosch Gmbh Robert Kraftstoff-einspritzduese fuer brennkraftmaschinen.
JP2000240529A (ja) * 1999-02-19 2000-09-05 Aisan Ind Co Ltd 燃料分配管用リリーフバルブ
JP2001050133A (ja) * 1999-08-06 2001-02-23 Hitachi Ltd 電子燃料噴射弁
JP3924999B2 (ja) * 1999-08-12 2007-06-06 株式会社日立製作所 燃料ポンプ及びそれを用いた筒内噴射エンジン
JP3794255B2 (ja) * 2000-09-21 2006-07-05 日産自動車株式会社 摺動部品及びその製造方法
JP4510309B2 (ja) * 2001-02-21 2010-07-21 ヤンマー株式会社 燃料噴射弁体およびそのガス窒化処理方法
JP2003148294A (ja) * 2001-11-12 2003-05-21 Hitachi Ltd 燃料ポンプ及び筒内噴射エンジン
JP2004003435A (ja) * 2002-04-23 2004-01-08 Denso Corp 内燃機関用燃料噴射弁およびその製造方法
JP4233015B2 (ja) * 2002-08-27 2009-03-04 日本ピストンリング株式会社 ピストンリング
DE10256590A1 (de) * 2002-12-04 2004-06-03 Daimlerchrysler Ag Einspritzdüse für ein Einspritzsystem sowie ein Verfahren zur Herstellung einer Einspritzdüse eines Einspritzsystems eines Kraftfahrzeuges
JP2004217946A (ja) * 2003-01-09 2004-08-05 Hitachi Metals Ltd 打抜き性の優れたリードフレーム用Ｆｅ−Ｎｉ系合金
JP3954046B2 (ja) * 2004-06-14 2007-08-08 三菱電機株式会社 燃料噴射弁、弁座体、及び弁座体の工作方法
JP2007092829A (ja) * 2005-09-28 2007-04-12 Toyota Motor Corp 弁
DE102005049534A1 (de) * 2005-10-17 2007-04-19 Robert Bosch Gmbh Verfahren und Vorrichtung zur Bearbeitung eines Düsenkörpers für ein Kraftstoffeinspritzventil
JP5153221B2 (ja) * 2006-07-31 2013-02-27 新日鐵住金株式会社 軟窒化非焼準機械部品の製造方法
JP2007182903A (ja) * 2007-04-09 2007-07-19 Hitachi Ltd 燃料噴射弁

Also Published As

Publication number Publication date
EP2146087A3 (de) 2010-11-03
KR20100002127A (ko) 2010-01-06
JP4686575B2 (ja) 2011-05-25
JP2010007466A (ja) 2010-01-14
EP2146087A2 (de) 2010-01-20
KR101122187B1 (ko) 2012-03-19
EP2146087B1 (de) 2012-12-12

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