JP7421653B2 - 燃料噴射装置 - Google Patents

燃料噴射装置 Download PDF

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Publication number
JP7421653B2
JP7421653B2 JP2022540025A JP2022540025A JP7421653B2 JP 7421653 B2 JP7421653 B2 JP 7421653B2 JP 2022540025 A JP2022540025 A JP 2022540025A JP 2022540025 A JP2022540025 A JP 2022540025A JP 7421653 B2 JP7421653 B2 JP 7421653B2
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Japan
Prior art keywords
hole
injection
seat
fuel
injection hole
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
JP2022540025A
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English (en)
Japanese (ja)
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JPWO2022024497A1 (https=
Inventor
拓矢 渡井
威生 三宅
泰介 杉井
真士 菅谷
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.)
Astemo Ltd
Original Assignee
Hitachi Astemo 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 Astemo Ltd filed Critical Hitachi Astemo Ltd
Publication of JPWO2022024497A1 publication Critical patent/JPWO2022024497A1/ja
Application granted granted Critical
Publication of JP7421653B2 publication Critical patent/JP7421653B2/ja
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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
    • F02M61/188—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
    • F02M61/1806—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
    • F02M61/182—Discharge orifices being situated in different transversal planes with respect to valve member direction of movement
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
JP2022540025A 2020-07-28 2021-05-13 燃料噴射装置 Active JP7421653B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020127003 2020-07-28
JP2020127003 2020-07-28
PCT/JP2021/018150 WO2022024497A1 (ja) 2020-07-28 2021-05-13 燃料噴射装置

Publications (2)

Publication Number Publication Date
JPWO2022024497A1 JPWO2022024497A1 (https=) 2022-02-03
JP7421653B2 true JP7421653B2 (ja) 2024-01-24

Family

ID=80038049

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022540025A Active JP7421653B2 (ja) 2020-07-28 2021-05-13 燃料噴射装置

Country Status (3)

Country Link
US (1) US12359645B2 (https=)
JP (1) JP7421653B2 (https=)
WO (1) WO2022024497A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024113720A (ja) * 2023-02-10 2024-08-23 日立Astemo株式会社 燃料噴射装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010043541A (ja) 2008-08-08 2010-02-25 Toyota Motor Corp 内燃機関の燃料噴射弁
JP2016098702A (ja) 2014-11-20 2016-05-30 株式会社日本自動車部品総合研究所 燃料噴射弁
JP2017044174A (ja) 2015-08-28 2017-03-02 日立オートモティブシステムズ株式会社 燃料噴射弁
JP2019116900A (ja) 2016-02-24 2019-07-18 日立オートモティブシステムズ株式会社 燃料噴射装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0259260U (https=) * 1988-10-21 1990-04-27
JPH10227218A (ja) * 1997-02-12 1998-08-25 Isuzu Motors Ltd ディーゼルエンジン
DE19820513A1 (de) * 1998-05-08 1999-11-11 Mtu Friedrichshafen Gmbh Kraftstoffeinspritzdüse für eine Brennkraftmaschine
JP2001046919A (ja) * 1999-08-06 2001-02-20 Denso Corp 流体噴射ノズル
DE10034446A1 (de) * 2000-07-15 2002-01-24 Bosch Gmbh Robert Brennstoffeinspritzventil
DE602005000060T2 (de) * 2004-02-20 2007-03-08 Delphi Technologies, Inc., Troy Einspritzdüse
ITBO20040560A1 (it) * 2004-09-10 2004-12-10 Magneti Marelli Powertrain Spa Iniettore di carburante con valvola di iniezione provvista di alimentazione laterale
JP2008138531A (ja) * 2006-11-30 2008-06-19 Mitsubishi Electric Corp 燃料噴射弁
JP2008202483A (ja) * 2007-02-20 2008-09-04 Hitachi Ltd 筒内噴射型の内燃機関、及び筒内噴射型の内燃機関に用いるインジェクタ
JP4582217B2 (ja) * 2008-07-17 2010-11-17 マツダ株式会社 火花点火式直噴エンジン
JP2010249125A (ja) * 2009-03-23 2010-11-04 Denso Corp 燃料噴射弁
EP2369166B1 (en) * 2010-03-22 2017-12-13 Delphi International Operations Luxembourg S.à r.l. Injection nozzle
JP6354519B2 (ja) * 2014-10-23 2018-07-11 株式会社デンソー 燃料噴射弁
JP2016205197A (ja) * 2015-04-21 2016-12-08 日立オートモティブシステムズ株式会社 燃料噴射装置
JP2016217245A (ja) * 2015-05-20 2016-12-22 本田技研工業株式会社 インジェクタ
DE112017005064T5 (de) 2016-11-30 2019-07-04 Hitachi Automotive Systems, Ltd. Kraftstoffeinspritzeinrichtung
JP6951224B2 (ja) * 2017-12-08 2021-10-20 日立Astemo株式会社 燃料噴射弁

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010043541A (ja) 2008-08-08 2010-02-25 Toyota Motor Corp 内燃機関の燃料噴射弁
JP2016098702A (ja) 2014-11-20 2016-05-30 株式会社日本自動車部品総合研究所 燃料噴射弁
JP2017044174A (ja) 2015-08-28 2017-03-02 日立オートモティブシステムズ株式会社 燃料噴射弁
JP2019116900A (ja) 2016-02-24 2019-07-18 日立オートモティブシステムズ株式会社 燃料噴射装置

Also Published As

Publication number Publication date
JPWO2022024497A1 (https=) 2022-02-03
WO2022024497A1 (ja) 2022-02-03
US12359645B2 (en) 2025-07-15
US20230193868A1 (en) 2023-06-22

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