EP2365206A1 - Buse pour injecteur de carburant pour moteurs à combustion interne et procédé de fabrication de buse - Google Patents

Buse pour injecteur de carburant pour moteurs à combustion interne et procédé de fabrication de buse Download PDF

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Publication number
EP2365206A1
EP2365206A1 EP10155571A EP10155571A EP2365206A1 EP 2365206 A1 EP2365206 A1 EP 2365206A1 EP 10155571 A EP10155571 A EP 10155571A EP 10155571 A EP10155571 A EP 10155571A EP 2365206 A1 EP2365206 A1 EP 2365206A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
longitudinal bore
resistant material
wear resistant
corrosion
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
EP10155571A
Other languages
German (de)
English (en)
Other versions
EP2365206B1 (fr
Inventor
Turhan Yildirim
Nico Kuin
Pierpaolo Miotti
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.)
Wartsila Switzerland Ltd
Original Assignee
Wartsila Switzerland Ltd
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 Wartsila Switzerland Ltd filed Critical Wartsila Switzerland Ltd
Priority to EP10155571.2A priority Critical patent/EP2365206B1/fr
Priority to DK10155571T priority patent/DK2365206T3/da
Priority to KR1020110016594A priority patent/KR20110101056A/ko
Priority to JP2011041848A priority patent/JP5798762B2/ja
Priority to CN201110052050.0A priority patent/CN102192063B/zh
Publication of EP2365206A1 publication Critical patent/EP2365206A1/fr
Application granted granted Critical
Publication of EP2365206B1 publication Critical patent/EP2365206B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M61/166—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
    • 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

Definitions

  • the present invention relates to fuel injectors for internal combustion engines.
  • the invention relates in particular to a fuel injector for large four- or two-stroke internal combustion engines with or without crosshead, such as diesel engines for marine propulsion or stationary engines to supply power.
  • the present invention relates to a nozzle for a fuel injector and to a method for manufacturing such nozzle.
  • EP-A-1549449 discloses a method of manufacturing a nozzle tip wherein in a mould a corrosion-resistant first alloy is arranged in an outer area which is to constitute the outer surface of a nozzle around the nozzle bores. A second alloy is used in another area of the nozzle. The materials in the mould are treated by isostatic pressing into a consolidated material. The boundary area between the two alloys should be free of cracks.
  • EP-A-1549449 A problem of the solution disclosed in EP-A-1549449 is that it is expensive. Additionally, the inner or outer part needs a minimum thickness of one ore more millimetres and there is a risk of lack of fusion between materials.
  • the object of the present invention is to provide an improved nozzle and a method of manufacturing such nozzle which will overcome the above problems.
  • this object is achieved by a nozzle having the features of claim 1 and by a method of manufacturing a nozzle having the features of claim 5.
  • a nozzle for a fuel injector for internal combustion engines is indicated 10.
  • the nozzle 10 has a body 12 of corrosion-resistant material.
  • the body 12 has no coating on its outer surface.
  • corrosion resistant materials examples include: Stellite 6, Haynes 188, Stellite 4, Inconel MA 758, Haynes 230, Nicofer 6125GT, Alloy 6052, Nimonic 81, Inconel 671, Haynes 160.
  • the body 12 has a longitudinal bore 14 closed at its bottom end and having a cylindrical guide surface 16.
  • the longitudinal bore is designed for receiving an axially slidable valve element (not shown) having a cut-off portion in contact with the cylindrical guide surface 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP10155571.2A 2010-03-05 2010-03-05 Buse pour injecteur de carburant pour moteurs à combustion interne et procédé de fabrication de buse Not-in-force EP2365206B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP10155571.2A EP2365206B1 (fr) 2010-03-05 2010-03-05 Buse pour injecteur de carburant pour moteurs à combustion interne et procédé de fabrication de buse
DK10155571T DK2365206T3 (da) 2010-03-05 2010-03-05 Dyse til en brændstofindsprøjtningsindretning til motorer med indvendig forbrænding og fremgangsmåde til fremstilling af en dyse
KR1020110016594A KR20110101056A (ko) 2010-03-05 2011-02-24 내연기관 연료주입기용 노즐 및 노즐 제조방법
JP2011041848A JP5798762B2 (ja) 2010-03-05 2011-02-28 内燃エンジン用燃料噴射器のノズル、及びノズルの製造方法
CN201110052050.0A CN102192063B (zh) 2010-03-05 2011-03-04 用于内燃机喷油器的喷油嘴以及制造喷油嘴的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10155571.2A EP2365206B1 (fr) 2010-03-05 2010-03-05 Buse pour injecteur de carburant pour moteurs à combustion interne et procédé de fabrication de buse

Publications (2)

Publication Number Publication Date
EP2365206A1 true EP2365206A1 (fr) 2011-09-14
EP2365206B1 EP2365206B1 (fr) 2014-04-30

Family

ID=42732225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10155571.2A Not-in-force EP2365206B1 (fr) 2010-03-05 2010-03-05 Buse pour injecteur de carburant pour moteurs à combustion interne et procédé de fabrication de buse

Country Status (5)

Country Link
EP (1) EP2365206B1 (fr)
JP (1) JP5798762B2 (fr)
KR (1) KR20110101056A (fr)
CN (1) CN102192063B (fr)
DK (1) DK2365206T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016173601A1 (fr) * 2015-04-29 2016-11-03 Hans Jensen Lubricators A/S Injecteur de lubrifiant pour grand moteur lent à deux temps et son procédé de production
WO2020181347A1 (fr) * 2019-03-11 2020-09-17 Fmc Technologies Do Brasil Ltda Matériau composite avec couche diffuse revêtue
WO2023073140A1 (fr) * 2021-10-29 2023-05-04 Ganser Crs Ag Soupape d'injection de carburant pour moteurs à combustion interne

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2563928B (en) * 2017-06-30 2019-11-13 Ricardo Uk Ltd Injector
KR101873696B1 (ko) * 2017-11-01 2018-07-02 이수철 이종재료를 이용한 가스밸브노즐
KR20200045596A (ko) 2018-10-22 2020-05-06 (주)팀솔루션 연료충진 로봇 로딩암 시스템

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052937A1 (fr) 1980-11-20 1982-06-02 B & W DIESEL A/S Injecteur de carburant pour moteurs à combustion interne
EP0246373A1 (fr) * 1986-05-22 1987-11-25 Osamu Matsumura Dispositif d'injection de carburant
WO1993007386A1 (fr) * 1991-10-04 1993-04-15 Man B&W Diesel A/S Injecteur de carburant pour moteurs a combustion interne
WO2003006821A1 (fr) * 2001-07-10 2003-01-23 Robert Bosch Gmbh Soupape d'injection de carburant pour des moteurs a combustion interne
DE10318135A1 (de) * 2002-04-23 2003-11-06 Denso Corp Kraftstoffinjektor für einen Verbrennungsmotor und Verfahren zu dessen Herstellung
EP1549449A1 (fr) 2002-10-07 2005-07-06 MAN B & W Diesel A/S Procede de fabrication d'une buse pour une soupape a carburant de moteur diesel, et buse ainsi obtenue
WO2008071187A1 (fr) 2006-12-15 2008-06-19 Man Diesel A/S Injecteur de carburant conçu pour un moteur thermique

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0569655T3 (da) * 1992-05-11 1996-02-19 New Sulzer Diesel Ag Dysehoved til en brændstofindsprøjtningsindretning
JPH08144896A (ja) * 1994-11-25 1996-06-04 Zexel Corp 可変噴孔型燃料噴射ノズル
EP0967382B1 (fr) * 1998-06-24 2004-11-24 Delphi Technologies, Inc. Injecteur de carburant
JP2001221123A (ja) * 2000-02-07 2001-08-17 Nissan Diesel Motor Co Ltd 燃料噴射ノズルの冷却構造
JP4607383B2 (ja) * 2001-07-30 2011-01-05 いすゞ自動車株式会社 燃料噴射インジェクタの製造方法及び燃料噴射ポンプの製造方法
JP2003097392A (ja) * 2001-09-20 2003-04-03 Yamaha Motor Co Ltd 燃料噴射エンジンのインジェクタ配置構造
DK200201498A (da) * 2002-10-07 2004-04-08 Man B & W Diesel As En forstöver til en brændselsventil i en dieselmotor, samt en fremgangsmåde til fremstilling af en forstöver
JP2008291738A (ja) * 2007-05-24 2008-12-04 Denso Corp 燃料噴射弁
JP4866336B2 (ja) * 2007-11-28 2012-02-01 株式会社ケーヒン 電磁式燃料噴射弁
JP2009236095A (ja) * 2008-03-28 2009-10-15 Denso Corp 燃料噴射装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052937A1 (fr) 1980-11-20 1982-06-02 B & W DIESEL A/S Injecteur de carburant pour moteurs à combustion interne
EP0246373A1 (fr) * 1986-05-22 1987-11-25 Osamu Matsumura Dispositif d'injection de carburant
WO1993007386A1 (fr) * 1991-10-04 1993-04-15 Man B&W Diesel A/S Injecteur de carburant pour moteurs a combustion interne
WO2003006821A1 (fr) * 2001-07-10 2003-01-23 Robert Bosch Gmbh Soupape d'injection de carburant pour des moteurs a combustion interne
DE10318135A1 (de) * 2002-04-23 2003-11-06 Denso Corp Kraftstoffinjektor für einen Verbrennungsmotor und Verfahren zu dessen Herstellung
EP1549449A1 (fr) 2002-10-07 2005-07-06 MAN B & W Diesel A/S Procede de fabrication d'une buse pour une soupape a carburant de moteur diesel, et buse ainsi obtenue
WO2008071187A1 (fr) 2006-12-15 2008-06-19 Man Diesel A/S Injecteur de carburant conçu pour un moteur thermique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016173601A1 (fr) * 2015-04-29 2016-11-03 Hans Jensen Lubricators A/S Injecteur de lubrifiant pour grand moteur lent à deux temps et son procédé de production
WO2020181347A1 (fr) * 2019-03-11 2020-09-17 Fmc Technologies Do Brasil Ltda Matériau composite avec couche diffuse revêtue
WO2023073140A1 (fr) * 2021-10-29 2023-05-04 Ganser Crs Ag Soupape d'injection de carburant pour moteurs à combustion interne

Also Published As

Publication number Publication date
CN102192063B (zh) 2017-06-27
JP2011185266A (ja) 2011-09-22
CN102192063A (zh) 2011-09-21
EP2365206B1 (fr) 2014-04-30
JP5798762B2 (ja) 2015-10-21
KR20110101056A (ko) 2011-09-15
DK2365206T3 (da) 2014-05-19

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