IT1403006B1 - Polverizzatore ad elevata vita operativa per iniettori meccanici ad alta pressione operanti con combustibile pesante - Google Patents

Polverizzatore ad elevata vita operativa per iniettori meccanici ad alta pressione operanti con combustibile pesante

Info

Publication number
IT1403006B1
IT1403006B1 ITTO2010A000969A ITTO20100969A IT1403006B1 IT 1403006 B1 IT1403006 B1 IT 1403006B1 IT TO2010A000969 A ITTO2010A000969 A IT TO2010A000969A IT TO20100969 A ITTO20100969 A IT TO20100969A IT 1403006 B1 IT1403006 B1 IT 1403006B1
Authority
IT
Italy
Prior art keywords
operating
pulverizer
heavy fuel
life
pressure mechanical
Prior art date
Application number
ITTO2010A000969A
Other languages
English (en)
Inventor
Marco Coppo
Claudio Negri
Original Assignee
O M T Ohg Torino S P A
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 O M T Ohg Torino S P A filed Critical O M T Ohg Torino S P A
Priority to ITTO2010A000969A priority Critical patent/IT1403006B1/it
Priority to DK11164964.6T priority patent/DK2461014T3/da
Priority to EP11164964.6A priority patent/EP2461014B1/en
Priority to KR1020110126441A priority patent/KR101384500B1/ko
Priority to CN201110402222.2A priority patent/CN102536571B/zh
Publication of ITTO20100969A1 publication Critical patent/ITTO20100969A1/it
Application granted granted Critical
Publication of IT1403006B1 publication Critical patent/IT1403006B1/it

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
    • F02M61/1873—Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal
    • 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
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
    • 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
    • F02M61/1866—Valve seats or member ends having multiple cones
    • 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
    • F02M61/188—Spherical or partly spherical shaped valve member ends
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F16K1/38—Valve members of conical shape
    • 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
    • F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
    • 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
    • F02M2200/16—Sealing of fuel injection apparatus 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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Disintegrating Or Milling (AREA)
ITTO2010A000969A 2010-12-06 2010-12-06 Polverizzatore ad elevata vita operativa per iniettori meccanici ad alta pressione operanti con combustibile pesante IT1403006B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ITTO2010A000969A IT1403006B1 (it) 2010-12-06 2010-12-06 Polverizzatore ad elevata vita operativa per iniettori meccanici ad alta pressione operanti con combustibile pesante
DK11164964.6T DK2461014T3 (da) 2010-12-06 2011-05-05 Injektionsdyse med lang brugstid til mekaniske højtryksinjektionsindretninger, som drives med svær brændselsolie
EP11164964.6A EP2461014B1 (en) 2010-12-06 2011-05-05 Nozzle with long service life for high-pressure mechanical injectors operating with heavy fuel
KR1020110126441A KR101384500B1 (ko) 2010-12-06 2011-11-30 중연료로 작동되는 고압 기계식 인젝터용 긴 수명의 노즐
CN201110402222.2A CN102536571B (zh) 2010-12-06 2011-12-06 用于操作重质燃油的高压机械式喷射器的长寿命喷嘴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2010A000969A IT1403006B1 (it) 2010-12-06 2010-12-06 Polverizzatore ad elevata vita operativa per iniettori meccanici ad alta pressione operanti con combustibile pesante

Publications (2)

Publication Number Publication Date
ITTO20100969A1 ITTO20100969A1 (it) 2012-06-07
IT1403006B1 true IT1403006B1 (it) 2013-09-27

Family

ID=43737361

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2010A000969A IT1403006B1 (it) 2010-12-06 2010-12-06 Polverizzatore ad elevata vita operativa per iniettori meccanici ad alta pressione operanti con combustibile pesante

Country Status (5)

Country Link
EP (1) EP2461014B1 (it)
KR (1) KR101384500B1 (it)
CN (1) CN102536571B (it)
DK (1) DK2461014T3 (it)
IT (1) IT1403006B1 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012223064A1 (de) * 2012-12-13 2014-06-18 Continental Automotive Gmbh Vario-Düsennadel, Vario-Düsenkörper, Vario-Düsenbaugruppe sowie Vario-Kraftstoffinjektor
DE102013006420B4 (de) * 2013-04-15 2014-11-06 L'orange Gmbh Kraftstoffinjektor
DE102013009418A1 (de) * 2013-06-05 2014-12-24 Man Diesel & Turbo Se Kraftstoffeinspritzdüse
US20160109027A1 (en) * 2013-06-19 2016-04-21 General Electric Company Valve seat and valve disc with cascaded geometries
CN107100762B (zh) * 2017-05-17 2019-09-20 石家庄新华能源环保科技股份有限公司 一种氢气燃料发动机的氢气喷嘴

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2711350A1 (de) * 1977-03-16 1978-09-21 Bosch Gmbh Robert Kraftstoffeinspritzduese fuer brennkraftmaschinen
JP2545520B2 (ja) * 1985-08-10 1996-10-23 ロ−ベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 内燃機関用の燃料噴射ノズル
IT1305511B1 (it) * 1998-06-22 2001-05-09 Diesel Ricerche Spa Dispositivo di iniezione perfezionato in motori dieseldenominati "common rail"
US6298829B1 (en) * 1999-10-15 2001-10-09 Westport Research Inc. Directly actuated injection valve
US7100847B2 (en) * 2002-05-18 2006-09-05 Robert Bosch Gmbh Fuel injection valve for internal combustion engines
DE10351460A1 (de) * 2003-11-04 2005-06-09 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung, sowie Verfahren zu deren Herstellung
JP2006170192A (ja) * 2004-11-17 2006-06-29 Denso Corp 燃料噴射ノズル及びその製造方法
DE112006002264T5 (de) * 2005-08-25 2008-06-26 Caterpillar Inc., Peoria Brennstoffeinspritzvorrichtung mit Rückschlagglied mit Nut
DE102006043460A1 (de) 2006-09-15 2008-03-27 Man Diesel Se Verfahren zur Optimierung einer Einspritzdüse für eine Brennkraftmaschine
JP4335280B2 (ja) * 2006-11-27 2009-09-30 三菱電機株式会社 燃料噴射弁
DE102009018767A1 (de) * 2009-04-24 2010-10-28 Man Diesel & Turbo Se Kraftstoffeinspritzdüse für eine Brennkraftmaschine

Also Published As

Publication number Publication date
EP2461014A1 (en) 2012-06-06
DK2461014T3 (da) 2014-11-03
CN102536571B (zh) 2014-10-01
ITTO20100969A1 (it) 2012-06-07
KR20120062623A (ko) 2012-06-14
EP2461014B1 (en) 2014-10-22
KR101384500B1 (ko) 2014-04-10
CN102536571A (zh) 2012-07-04

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