EP2511516B1 - Dispositif d'injection de fluide - Google Patents

Dispositif d'injection de fluide Download PDF

Info

Publication number
EP2511516B1
EP2511516B1 EP12155896.9A EP12155896A EP2511516B1 EP 2511516 B1 EP2511516 B1 EP 2511516B1 EP 12155896 A EP12155896 A EP 12155896A EP 2511516 B1 EP2511516 B1 EP 2511516B1
Authority
EP
European Patent Office
Prior art keywords
pressure fluid
high pressure
injection device
combustion engine
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.)
Not-in-force
Application number
EP12155896.9A
Other languages
German (de)
English (en)
Other versions
EP2511516A1 (fr
EP2511516B8 (fr
Inventor
Leif Knipström
Gerhard Hangl
Andreas Kyrtatos
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.)
Winterthur Gas and Diesel AG
Original Assignee
Wartsila NSD Schweiz AG
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 NSD Schweiz AG filed Critical Wartsila NSD Schweiz AG
Priority to EP12155896.9A priority Critical patent/EP2511516B8/fr
Publication of EP2511516A1 publication Critical patent/EP2511516A1/fr
Application granted granted Critical
Publication of EP2511516B1 publication Critical patent/EP2511516B1/fr
Publication of EP2511516B8 publication Critical patent/EP2511516B8/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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/004—Joints; Sealings
    • F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
    • 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
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/04—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure using fluid, other than fuel, for injection-valve actuation
    • 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
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • F02M53/04—Injectors with heating, cooling, or thermally-insulating means
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/008—Arrangement of fuel passages inside of injectors
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • 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
    • F02M2200/85—Mounting of fuel injection apparatus

Claims (13)

  1. Dispositif d'injection de fluide sous haute pression (2) pour un système de rail commun pour un grand moteur à combustion interne, comprenant un premier élément de connexion (7) pour amener le fluide sous haute pression fourni par un système de rail commun à l'injecteur de fluide (4), et au moins un deuxième élément de connexion (3) pour amener un fluide sous basse pression à l'injecteur de fluide, où le dispositif d'injection de fluide comprend un élément collecteur (5) pouvant être connecté à l'injecteur de fluide (4), où l'élément collecteur (5) contient le deuxième élément de connexion (3), et l'injecteur de fluide (4), en fonctionnement, est en prise avec l'élément collecteur (5) pour réaliser un passage de fluide (6, 16, 26, 36) pour le fluide sous basse pression, caractérisé en ce que l'élément collecteur (5) est configuré comme un manchon.
  2. Dispositif d'injection de fluide sous haute pression selon la revendication 1, dans lequel l'élément collecteur (5) contient au moins un troisième élément de connexion (13, 23, 33) pour encore du fluide sous basse pression.
  3. Dispositif d'injection de fluide sous haute pression selon l'une des revendications précédentes, dans lequel le manchon présente un perçage central d'une configuration au moins partiellement conique.
  4. Dispositif d'injection de fluide sous haute pression selon l'une quelconque des revendications précédentes, dans lequel la pression du fluide sous haute pression est dans la plage de 600 à 2000 bar.
  5. Dispositif d'injection de fluide sous haute pression selon l'une quelconque des revendications précédentes, dans lequel la pression du fluide sous basse pression est au plus de 10 bar.
  6. Dispositif d'injection de fluide sous haute pression selon l'une quelconque des revendications précédentes, dans lequel le fluide sous haute pression est un combustible.
  7. Dispositif d'injection de fluide sous haute pression selon l'une des revendications précédentes, dans lequel le fluide sous basse pression est un parmi un lubrifiant ou un fluide de refroidissement.
  8. Dispositif d'injection de fluide sous haute pression selon l'une des revendications précédentes, dans lequel l'injecteur de fluide peut être retiré de l'élément collecteur.
  9. Moteur à combustion interne (100), incluant un cylindre (101), dans lequel un piston (103) est agencé pour être déplaçable le long d'un axe de cylindre longitudinal (105) selon un mouvement alternatif entre une position de point mort haut et une position de point mort bas, où dans le cylindre (101) une chambre de combustion (104) est définie par un couvercle de cylindre (102), par une paroi de cylindre (105) du cylindre (101) et par une surface de piston (106) du piston (103) incluant un dispositif d'injection de fluide sous haute pression (2) en accord avec l'une des revendications précédentes.
  10. Moteur à combustion interne selon la revendication 9, dans lequel le moteur à combustion est un moteur à crosse, en particulier un grand moteur Diesel à crosse.
  11. Moteur à combustion interne selon la revendication 9, dans lequel le moteur à combustion est un moteur à piston à fourreau.
  12. Moteur à combustion interne selon l'une quelconque des revendications 9 à 11, dans lequel le moteur à combustion est un moteur à combustion interne à deux temps ou à quatre temps.
  13. Moteur à combustion interne selon l'une quelconque des revendications 9 à 12, dans lequel le moteur à combustion est un moteur bi-carburant apte à fonctionner soit en mode Diesel soit en mode Otto.
EP12155896.9A 2011-04-15 2012-02-17 Dispositif d'injection de fluide Not-in-force EP2511516B8 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12155896.9A EP2511516B8 (fr) 2011-04-15 2012-02-17 Dispositif d'injection de fluide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11162618 2011-04-15
EP12155896.9A EP2511516B8 (fr) 2011-04-15 2012-02-17 Dispositif d'injection de fluide

Publications (3)

Publication Number Publication Date
EP2511516A1 EP2511516A1 (fr) 2012-10-17
EP2511516B1 true EP2511516B1 (fr) 2015-04-15
EP2511516B8 EP2511516B8 (fr) 2015-07-22

Family

ID=45656014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12155896.9A Not-in-force EP2511516B8 (fr) 2011-04-15 2012-02-17 Dispositif d'injection de fluide

Country Status (4)

Country Link
EP (1) EP2511516B8 (fr)
JP (1) JP6083948B2 (fr)
KR (1) KR101948936B1 (fr)
CN (1) CN102734025B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3181889A1 (fr) * 2015-12-15 2017-06-21 Winterthur Gas & Diesel AG Procédé pour injecter un carburant dans un moteur diesel de grande dimension, grand moteur diesel et dispositif d'injection
WO2017118776A1 (fr) * 2016-01-08 2017-07-13 Wärtsilä Finland Oy Ensemble tuyau et procédé de raccordement d'ensemble tuyau
KR101976713B1 (ko) * 2018-11-07 2019-05-10 현대중공업 주식회사 오토 사이클 방식으로 운전되는 엔진 및 이를 포함하는 선박 및 이를 구동하는 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58210359A (ja) * 1982-06-01 1983-12-07 Yanmar Diesel Engine Co Ltd 燃料噴射弁の燃料高圧管接続構造
JPH0287962U (fr) * 1988-12-26 1990-07-12
US5460329A (en) * 1994-06-06 1995-10-24 Sturman; Oded E. High speed fuel injector
US6161770A (en) 1994-06-06 2000-12-19 Sturman; Oded E. Hydraulically driven springless fuel injector
WO2000034646A1 (fr) * 1998-12-11 2000-06-15 Caterpillar Inc. Ensemble piston et corps de pompe a partie superieure epaulee et injecteur de carburant actionne hydrauliquement utilisant ledit ensemble
GB2351772B (en) * 1999-07-08 2003-07-23 Caterpillar Inc Pressure-intensifying hydraulically-actuated electronically-controlled fuel injection system with individual mechanical unit pumps
JP2001193595A (ja) * 2000-01-11 2001-07-17 Komatsu Ltd 燃料噴射装置
JP2003269292A (ja) * 2002-03-13 2003-09-25 Mitsubishi Heavy Ind Ltd 燃料噴射ポンプの給、排油装置及びその組立方法
CN1312395C (zh) * 2003-12-12 2007-04-25 上海交通大学 用于柴油机共轨喷油器的密封装置
JP4592577B2 (ja) * 2005-12-13 2010-12-01 三菱重工業株式会社 水冷式燃料噴射弁
US8056537B2 (en) * 2008-09-26 2011-11-15 Caterpillar Inc. Engine having fuel injector with actuator cooling system and method

Also Published As

Publication number Publication date
EP2511516A1 (fr) 2012-10-17
JP2012225344A (ja) 2012-11-15
EP2511516B8 (fr) 2015-07-22
CN102734025A (zh) 2012-10-17
KR101948936B1 (ko) 2019-04-25
CN102734025B (zh) 2016-01-13
KR20120117638A (ko) 2012-10-24
JP6083948B2 (ja) 2017-02-22

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