JP7419997B2 - 燃料噴射弁 - Google Patents

燃料噴射弁 Download PDF

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Publication number
JP7419997B2
JP7419997B2 JP2020120814A JP2020120814A JP7419997B2 JP 7419997 B2 JP7419997 B2 JP 7419997B2 JP 2020120814 A JP2020120814 A JP 2020120814A JP 2020120814 A JP2020120814 A JP 2020120814A JP 7419997 B2 JP7419997 B2 JP 7419997B2
Authority
JP
Japan
Prior art keywords
nozzle
nozzle hole
radius
curvature
valve
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.)
Active
Application number
JP2020120814A
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English (en)
Japanese (ja)
Other versions
JP2022017944A (ja
JP2022017944A5 (enExample
Inventor
英雄 束田
清考 吉丸
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
Priority to JP2020120814A priority Critical patent/JP7419997B2/ja
Priority to DE112021003797.8T priority patent/DE112021003797T5/de
Priority to PCT/JP2021/025563 priority patent/WO2022014426A1/ja
Priority to CN202180049366.6A priority patent/CN115803516A/zh
Publication of JP2022017944A publication Critical patent/JP2022017944A/ja
Publication of JP2022017944A5 publication Critical patent/JP2022017944A5/ja
Priority to US18/083,816 priority patent/US20230124555A1/en
Application granted granted Critical
Publication of JP7419997B2 publication Critical patent/JP7419997B2/ja
Active 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
    • 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
    • F02M61/04—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
    • 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
    • F02M61/1886—Details of valve seats not covered by groups F02M61/1866 - F02M61/188

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
JP2020120814A 2020-07-14 2020-07-14 燃料噴射弁 Active JP7419997B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2020120814A JP7419997B2 (ja) 2020-07-14 2020-07-14 燃料噴射弁
DE112021003797.8T DE112021003797T5 (de) 2020-07-14 2021-07-07 Kraftstoffeinspritzventil
PCT/JP2021/025563 WO2022014426A1 (ja) 2020-07-14 2021-07-07 燃料噴射弁
CN202180049366.6A CN115803516A (zh) 2020-07-14 2021-07-07 燃料喷射阀
US18/083,816 US20230124555A1 (en) 2020-07-14 2022-12-19 Fuel injection valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020120814A JP7419997B2 (ja) 2020-07-14 2020-07-14 燃料噴射弁

Publications (3)

Publication Number Publication Date
JP2022017944A JP2022017944A (ja) 2022-01-26
JP2022017944A5 JP2022017944A5 (enExample) 2022-08-31
JP7419997B2 true JP7419997B2 (ja) 2024-01-23

Family

ID=79554791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020120814A Active JP7419997B2 (ja) 2020-07-14 2020-07-14 燃料噴射弁

Country Status (5)

Country Link
US (1) US20230124555A1 (enExample)
JP (1) JP7419997B2 (enExample)
CN (1) CN115803516A (enExample)
DE (1) DE112021003797T5 (enExample)
WO (1) WO2022014426A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK181672B1 (en) * 2023-05-12 2024-09-17 Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland A fuel valve for a large turbocharged two-stroke uniflow crosshead internal combustion engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004332543A (ja) 2003-04-30 2004-11-25 Denso Corp 燃料噴射弁
JP2017141681A (ja) 2016-02-08 2017-08-17 株式会社Ｓｏｋｅｎ 燃料噴射ノズル

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5987271A (ja) * 1982-11-09 1984-05-19 Yanmar Diesel Engine Co Ltd デイ−ゼル機関用燃料噴射弁
JP3402199B2 (ja) * 1998-05-28 2003-04-28 トヨタ自動車株式会社 内燃機関用燃料噴射弁
JP4174814B2 (ja) 2000-12-04 2008-11-05 株式会社デンソー 燃料噴霧シミュレーション装置および燃料噴霧シミュレーション方法
JP5668984B2 (ja) * 2011-05-31 2015-02-12 株式会社デンソー 燃料噴射装置
JP6380123B2 (ja) * 2015-01-22 2018-08-29 株式会社デンソー 燃料噴射ノズル
JP6501642B2 (ja) * 2015-06-15 2019-04-17 株式会社Ｓｏｋｅｎ 燃料噴射弁
JP6365450B2 (ja) * 2015-07-24 2018-08-01 株式会社デンソー 燃料噴射装置
JP6451663B2 (ja) * 2016-02-24 2019-01-16 株式会社デンソー 燃料噴射装置
JP2018031275A (ja) 2016-08-23 2018-03-01 株式会社デンソー 燃料噴射弁
DE102016222239A1 (de) * 2016-11-14 2018-05-17 Robert Bosch Gmbh Injektor zum Einspritzen eines Fluids mit verbessertem Spraybild
JP2018204574A (ja) * 2017-06-07 2018-12-27 株式会社Ｓｏｋｅｎ 燃料噴射弁
JP2020008013A (ja) * 2018-07-12 2020-01-16 株式会社Ｓｏｋｅｎ 燃料噴射弁
JP2020120814A (ja) 2019-01-29 2020-08-13 株式会社ソフイア 遊技機
JP7272645B2 (ja) * 2019-06-20 2023-05-12 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
JP2004332543A (ja) 2003-04-30 2004-11-25 Denso Corp 燃料噴射弁
JP2017141681A (ja) 2016-02-08 2017-08-17 株式会社Ｓｏｋｅｎ 燃料噴射ノズル

Also Published As

Publication number Publication date
JP2022017944A (ja) 2022-01-26
WO2022014426A1 (ja) 2022-01-20
US20230124555A1 (en) 2023-04-20
CN115803516A (zh) 2023-03-14
DE112021003797T5 (de) 2023-05-17

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