DE112017003599T5 - Kraftstoffeinspritzvorrichtung - Google Patents

Kraftstoffeinspritzvorrichtung Download PDF

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Publication number
DE112017003599T5
DE112017003599T5 DE112017003599.6T DE112017003599T DE112017003599T5 DE 112017003599 T5 DE112017003599 T5 DE 112017003599T5 DE 112017003599 T DE112017003599 T DE 112017003599T DE 112017003599 T5 DE112017003599 T5 DE 112017003599T5
Authority
DE
Germany
Prior art keywords
injection
injection hole
injection holes
fuel
holes
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.)
Pending
Application number
DE112017003599.6T
Other languages
German (de)
English (en)
Inventor
Ryo KUSAKABE
Akira Iizuka
Kiyotaka Ogura
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.)
Hitachi Astemo Ltd
Original Assignee
Hitachi Automotive Systems 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 Hitachi Automotive Systems Ltd filed Critical Hitachi Automotive Systems Ltd
Publication of DE112017003599T5 publication Critical patent/DE112017003599T5/de
Pending legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B23/104—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on a side position of the cylinder
    • 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
    • F02M61/1806—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
    • F02M61/1826—Discharge orifices having different sizes
    • 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
    • F02M61/1833—Discharge orifices having changing cross sections, e.g. being divergent
    • 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
    • F02M61/184—Discharge orifices having non circular sections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B2023/103—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector having a multi-hole nozzle for generating multiple sprays

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE112017003599.6T 2016-08-31 2017-07-18 Kraftstoffeinspritzvorrichtung Pending DE112017003599T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016-168735 2016-08-31
JP2016168735 2016-08-31
PCT/JP2017/025849 WO2018042910A1 (ja) 2016-08-31 2017-07-18 燃料噴射装置

Publications (1)

Publication Number Publication Date
DE112017003599T5 true DE112017003599T5 (de) 2019-06-27

Family

ID=61300541

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112017003599.6T Pending DE112017003599T5 (de) 2016-08-31 2017-07-18 Kraftstoffeinspritzvorrichtung

Country Status (3)

Country Link
JP (1) JP6655724B2 (ja)
DE (1) DE112017003599T5 (ja)
WO (1) WO2018042910A1 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005054676A (ja) 2003-08-04 2005-03-03 Mazda Motor Corp 火花点火式エンジン
WO2013008692A1 (ja) 2011-07-11 2013-01-17 ボッシュ株式会社 燃料噴射弁、内燃機関、及び燃料噴射方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2782896B2 (ja) * 1990-02-14 1998-08-06 日産自動車株式会社 直噴式ディーゼルエンジンの燃料噴射弁
JP2546248Y2 (ja) * 1992-03-11 1997-08-27 三菱重工業株式会社 副室式内燃機関の燃焼室
JP3334330B2 (ja) * 1994-05-17 2002-10-15 日産自動車株式会社 燃料噴射弁
JP2002317734A (ja) * 2001-04-23 2002-10-31 Nissan Motor Co Ltd ディーゼルエンジンの燃料噴射装置
JP4157826B2 (ja) * 2003-10-14 2008-10-01 良信 下井谷 燃料噴射ノズルの製造方法
JP2009024683A (ja) * 2007-07-24 2009-02-05 Hitachi Ltd 複数の噴孔を有するインジェクタ、当該インジェクタを備えた筒内ガソリン噴射型内燃機関とその制御方法
JP5044335B2 (ja) * 2007-09-07 2012-10-10 トヨタ自動車株式会社 燃料噴射ノズル
JP6036354B2 (ja) * 2013-02-04 2016-11-30 日立オートモティブシステムズ株式会社 燃料噴射弁
JP6024817B2 (ja) * 2015-12-23 2016-11-16 株式会社デンソー 燃料噴射弁

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005054676A (ja) 2003-08-04 2005-03-03 Mazda Motor Corp 火花点火式エンジン
WO2013008692A1 (ja) 2011-07-11 2013-01-17 ボッシュ株式会社 燃料噴射弁、内燃機関、及び燃料噴射方法

Also Published As

Publication number Publication date
JPWO2018042910A1 (ja) 2019-03-14
WO2018042910A1 (ja) 2018-03-08
JP6655724B2 (ja) 2020-02-26

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Legal Events

Date Code Title Description
R012 Request for examination validly filed
R081 Change of applicant/patentee

Owner name: HITACHI ASTEMO, LTD., HITACHINAKA-SHI, JP

Free format text: FORMER OWNER: HITACHI AUTOMOTIVE SYSTEMS, LTD., HITACHINAKA-SHI, IBARAKI, JP