DE112019003552T5 - Kraftstoffeinspritzventil - Google Patents

Kraftstoffeinspritzventil Download PDF

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Publication number
DE112019003552T5
DE112019003552T5 DE112019003552.5T DE112019003552T DE112019003552T5 DE 112019003552 T5 DE112019003552 T5 DE 112019003552T5 DE 112019003552 T DE112019003552 T DE 112019003552T DE 112019003552 T5 DE112019003552 T5 DE 112019003552T5
Authority
DE
Germany
Prior art keywords
injection hole
section
axis
fuel
injection
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
DE112019003552.5T
Other languages
German (de)
English (en)
Inventor
Masayuki Niwa
Yosuke Nakagawa
Masahiro Okuma
Noritsugu Kato
Hiroki KANETA
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of DE112019003552T5 publication Critical patent/DE112019003552T5/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
    • F02M61/04—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
    • F02M61/16—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
    • 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
    • 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
    • F02M51/0685—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 and the valve being allowed to move relatively to each other or not being attached to each other

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE112019003552.5T 2018-07-12 2019-05-16 Kraftstoffeinspritzventil Pending DE112019003552T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018-132562 2018-07-12
JP2018132562A JP2020008013A (ja) 2018-07-12 2018-07-12 燃料噴射弁
PCT/JP2019/019426 WO2020012778A1 (ja) 2018-07-12 2019-05-16 燃料噴射弁

Publications (1)

Publication Number Publication Date
DE112019003552T5 true DE112019003552T5 (de) 2021-04-01

Family

ID=69141515

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112019003552.5T Pending DE112019003552T5 (de) 2018-07-12 2019-05-16 Kraftstoffeinspritzventil

Country Status (5)

Country Link
US (1) US11835020B2 (enExample)
JP (1) JP2020008013A (enExample)
CN (1) CN112368475B (enExample)
DE (1) DE112019003552T5 (enExample)
WO (1) WO2020012778A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11098686B2 (en) * 2017-05-12 2021-08-24 Hitachi Automotive Systems, Ltd. Fuel injection valve
JP7419997B2 (ja) * 2020-07-14 2024-01-23 株式会社デンソー 燃料噴射弁

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1128062B1 (en) * 2000-02-25 2006-04-26 Denso Corporation Fluid injection nozzle
DE10116714A1 (de) * 2001-04-04 2002-10-10 Volkswagen Ag Kraftstoffeinspritzventil für Brennkraftmaschinen, vorzugsweise für hohe Strahlgeschwindigkeiten
US6817545B2 (en) * 2002-01-09 2004-11-16 Visteon Global Technologies, Inc. Fuel injector nozzle assembly
DE102004005526B4 (de) 2003-02-05 2022-03-31 Denso Corporation Kraftstoffeinspritzvorrichtung einer Brennkraftmaschine mit innerer Verbrennung
JP2006002720A (ja) 2004-06-21 2006-01-05 Mitsubishi Electric Corp 燃料噴射装置および、その製造方法
JP4134966B2 (ja) 2004-08-17 2008-08-20 株式会社デンソー 噴孔部材、燃料噴射弁、および噴孔部材の製造方法
JP4221726B2 (ja) * 2005-04-01 2009-02-12 株式会社デンソー 噴孔プレート及び燃料噴射弁
FR2889258A3 (fr) * 2005-07-29 2007-02-02 Renault Sas Injecteur de carburant de vehicule automobile comportant un dome d'injection tronque
JP2008064038A (ja) * 2006-09-07 2008-03-21 Denso Corp 燃料噴射装置
JP4906466B2 (ja) * 2006-10-16 2012-03-28 日立オートモティブシステムズ株式会社 燃料噴射弁およびそれを搭載した内燃機関の燃料噴射装置
JP2010112196A (ja) 2008-11-04 2010-05-20 Keihin Corp 燃料噴射弁のノズル
JP5605325B2 (ja) 2011-07-19 2014-10-15 トヨタ自動車株式会社 燃料噴射弁
JP5772495B2 (ja) 2011-10-21 2015-09-02 トヨタ自動車株式会社 燃料噴射弁
JP5842728B2 (ja) * 2012-05-08 2016-01-13 株式会社日本自動車部品総合研究所 燃料噴射弁
JP6044425B2 (ja) * 2013-04-02 2016-12-14 トヨタ自動車株式会社 燃料噴射弁
JP6042765B2 (ja) 2013-04-23 2016-12-14 株式会社日本自動車部品総合研究所 燃料噴射弁
JP6020380B2 (ja) * 2013-08-02 2016-11-02 株式会社デンソー 燃料噴射弁
JP2015209772A (ja) * 2014-04-24 2015-11-24 三菱電機株式会社 流体噴射弁およびこれを備えた噴霧生成装置並びにエンジン
JP6460858B2 (ja) * 2015-03-17 2019-01-30 株式会社エンプラス 燃料噴射装置用ノズルプレート
WO2016163086A1 (ja) * 2015-04-09 2016-10-13 株式会社デンソー 燃料噴射装置
JP6501642B2 (ja) 2015-06-15 2019-04-17 株式会社Ｓｏｋｅｎ 燃料噴射弁
JP6463286B2 (ja) 2016-02-15 2019-01-30 株式会社Ｓｏｋｅｎ 燃料噴射弁
JP2017025926A (ja) * 2016-09-23 2017-02-02 株式会社デンソー 燃料噴射弁
JP6294434B2 (ja) * 2016-11-04 2018-03-14 日立オートモティブシステムズ株式会社 燃料噴射弁の製造方法

Also Published As

Publication number Publication date
WO2020012778A1 (ja) 2020-01-16
JP2020008013A (ja) 2020-01-16
US20210123403A1 (en) 2021-04-29
US11835020B2 (en) 2023-12-05
CN112368475B (zh) 2023-02-10
CN112368475A (zh) 2021-02-12

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