WO2008093387A1 - 燃料噴射弁 - Google Patents

燃料噴射弁 Download PDF

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Publication number
WO2008093387A1
WO2008093387A1 PCT/JP2007/051378 JP2007051378W WO2008093387A1 WO 2008093387 A1 WO2008093387 A1 WO 2008093387A1 JP 2007051378 W JP2007051378 W JP 2007051378W WO 2008093387 A1 WO2008093387 A1 WO 2008093387A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle hole
forward end
hole plate
valve body
flat surface
Prior art date
Application number
PCT/JP2007/051378
Other languages
English (en)
French (fr)
Inventor
Naoya Hashii
Keishi Nakano
Tsuyoshi Munezane
Original Assignee
Mitsubishi Electric Corporation
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 Mitsubishi Electric Corporation filed Critical Mitsubishi Electric Corporation
Priority to EP07707609.9A priority Critical patent/EP2108811B1/en
Priority to KR1020097005373A priority patent/KR101019324B1/ko
Priority to CN2007800487025A priority patent/CN101589222B/zh
Priority to PCT/JP2007/051378 priority patent/WO2008093387A1/ja
Priority to US12/444,780 priority patent/US9726131B2/en
Publication of WO2008093387A1 publication Critical patent/WO2008093387A1/ja

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
    • F02M61/1853—Orifice plates
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
    • F02M51/0675—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the valve body having cylindrical guiding or metering portions, e.g. with fuel passages
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
    • F02M51/0675—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the valve body having cylindrical guiding or metering portions, e.g. with fuel passages
    • F02M51/0678—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the valve body having cylindrical guiding or metering portions, e.g. with fuel passages all portions having fuel passages, e.g. flats, grooves, diameter reductions
    • 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
    • F02M61/08—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 the valves opening in direction of fuel flow
    • 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
    • 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
    • F02M61/1806—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
    • F02M61/1813—Discharge orifices having different orientations with respect to valve member direction of movement, e.g. orientations being such that fuel jets emerging from discharge orifices collide with each other
    • 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
    • F02M61/1873—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
    • 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

Abstract

弁体先端部に噴孔プレート１１と略平行な平坦面１３ｃを有し、弁座シート部下流側の内壁の延長１０ｂと噴孔プレート上流側平面１１ｃが交差する仮想包絡線１５の内側かつ弁体先端の平坦部より外側に噴孔入口部１２ａを配置し、噴孔入口径ｄに対し、開弁状態の弁体先端の平坦部と噴孔プレート上流側平面の垂線距離ｈが、ｈ＜ｄの関係を有し、かつ噴孔１２は噴孔プレート板厚方向に対して所定角度傾斜させた燃料噴射弁。
PCT/JP2007/051378 2007-01-29 2007-01-29 燃料噴射弁 WO2008093387A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP07707609.9A EP2108811B1 (en) 2007-01-29 2007-01-29 Fuel injection valve
KR1020097005373A KR101019324B1 (ko) 2007-01-29 2007-01-29 연료 분사 밸브
CN2007800487025A CN101589222B (zh) 2007-01-29 2007-01-29 燃料喷射阀
PCT/JP2007/051378 WO2008093387A1 (ja) 2007-01-29 2007-01-29 燃料噴射弁
US12/444,780 US9726131B2 (en) 2007-01-29 2007-01-29 Fuel injection valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/051378 WO2008093387A1 (ja) 2007-01-29 2007-01-29 燃料噴射弁

Publications (1)

Publication Number Publication Date
WO2008093387A1 true WO2008093387A1 (ja) 2008-08-07

Family

ID=39673707

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/051378 WO2008093387A1 (ja) 2007-01-29 2007-01-29 燃料噴射弁

Country Status (5)

Country Link
US (1) US9726131B2 (ja)
EP (1) EP2108811B1 (ja)
KR (1) KR101019324B1 (ja)
CN (1) CN101589222B (ja)
WO (1) WO2008093387A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8302889B2 (en) 2007-03-27 2012-11-06 Mitsubishi Electric Corporation Fuel injection valve
US9739247B2 (en) 2011-10-19 2017-08-22 Mitsubishi Electric Corporation Mist forming method using fluid injection valve, fluid injection valve, and mist forming apparatus
JPWO2018087849A1 (ja) * 2016-11-09 2019-02-21 三菱電機株式会社 燃料噴射弁
US10280885B2 (en) 2012-12-11 2019-05-07 Mitsubishi Electric Corporation Fluid injection valve and spray generator

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5295311B2 (ja) * 2011-06-09 2013-09-18 三菱電機株式会社 燃料噴射弁
JP6059915B2 (ja) * 2012-08-27 2017-01-11 日立オートモティブシステムズ株式会社 燃料噴射弁
JP5901844B2 (ja) 2013-04-16 2016-04-13 三菱電機株式会社 燃料噴射弁
WO2015116231A1 (en) * 2014-02-03 2015-08-06 Cummins Inc. Dimpled needle valve sac
KR101626300B1 (ko) * 2015-06-09 2016-06-14 동방테크 주식회사 인젝터
US10989105B2 (en) * 2016-02-24 2021-04-27 Hitachi Automotive Systems, Ltd. Fuel injection device
JP2019203406A (ja) * 2018-05-22 2019-11-28 株式会社Ｓｏｋｅｎ 燃料噴射弁

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JP2002332935A (ja) * 2001-05-08 2002-11-22 Hitachi Ltd 燃料噴射弁および内燃機関

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JP2002021686A (ja) * 2000-05-17 2002-01-23 Siemens Automotive Corp 燃料インジェクタ及び燃料インジェクタにおけるサック容積を減じる方法
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See also references of EP2108811A4 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8302889B2 (en) 2007-03-27 2012-11-06 Mitsubishi Electric Corporation Fuel injection valve
US9739247B2 (en) 2011-10-19 2017-08-22 Mitsubishi Electric Corporation Mist forming method using fluid injection valve, fluid injection valve, and mist forming apparatus
US10280885B2 (en) 2012-12-11 2019-05-07 Mitsubishi Electric Corporation Fluid injection valve and spray generator
JPWO2018087849A1 (ja) * 2016-11-09 2019-02-21 三菱電機株式会社 燃料噴射弁

Also Published As

Publication number Publication date
US9726131B2 (en) 2017-08-08
EP2108811A4 (en) 2013-07-03
KR101019324B1 (ko) 2011-03-07
EP2108811A1 (en) 2009-10-14
CN101589222A (zh) 2009-11-25
EP2108811B1 (en) 2014-07-09
CN101589222B (zh) 2012-05-09
US20100090031A1 (en) 2010-04-15
KR20090040918A (ko) 2009-04-27

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