CN105473844A - 燃料喷射阀 - Google Patents

燃料喷射阀 Download PDF

Info

Publication number
CN105473844A
CN105473844A CN201480043731.2A CN201480043731A CN105473844A CN 105473844 A CN105473844 A CN 105473844A CN 201480043731 A CN201480043731 A CN 201480043731A CN 105473844 A CN105473844 A CN 105473844A
Authority
CN
China
Prior art keywords
spray orifice
flow path
path length
hole
value
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
CN201480043731.2A
Other languages
English (en)
Chinese (zh)
Inventor
金田浩毅
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 CN105473844A publication Critical patent/CN105473844A/zh
Pending legal-status Critical Current

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
    • F02M61/1806—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
    • F02M61/1846—Dimensional characteristics of discharge orifices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
CN201480043731.2A 2013-08-02 2014-07-29 燃料喷射阀 Pending CN105473844A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013161594A JP6020380B2 (ja) 2013-08-02 2013-08-02 燃料噴射弁
JP2013-161594 2013-08-02
PCT/JP2014/003967 WO2015015797A1 (ja) 2013-08-02 2014-07-29 燃料噴射弁

Publications (1)

Publication Number Publication Date
CN105473844A true CN105473844A (zh) 2016-04-06

Family

ID=52431353

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480043731.2A Pending CN105473844A (zh) 2013-08-02 2014-07-29 燃料喷射阀

Country Status (5)

Country Link
US (2) US9828961B2 (cg-RX-API-DMAC7.html)
JP (1) JP6020380B2 (cg-RX-API-DMAC7.html)
CN (1) CN105473844A (cg-RX-API-DMAC7.html)
DE (1) DE112014003551T5 (cg-RX-API-DMAC7.html)
WO (1) WO2015015797A1 (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220228545A1 (en) * 2021-01-19 2022-07-21 Honda Motor Co., Ltd. Internal combustion engine

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* Cited by examiner, † Cited by third party
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US9850869B2 (en) * 2013-07-22 2017-12-26 Delphi Technologies, Inc. Fuel injector
JP6020380B2 (ja) 2013-08-02 2016-11-02 株式会社デンソー 燃料噴射弁
JP6292188B2 (ja) * 2015-04-09 2018-03-14 株式会社デンソー 燃料噴射装置
JP2017036678A (ja) * 2015-08-07 2017-02-16 日立オートモティブシステムズ株式会社 電磁式弁
DE102015223437A1 (de) * 2015-11-26 2017-06-01 Robert Bosch Gmbh Düsenbaugruppe für einen Kraftstoffinjektor sowie Kraftstoffinjektor
JP2018040314A (ja) * 2016-09-08 2018-03-15 いすゞ自動車株式会社 燃料噴射ノズル
US20190056109A1 (en) * 2017-08-21 2019-02-21 General Electric Company Main fuel nozzle for combustion dynamics attenuation
JP2020008013A (ja) * 2018-07-12 2020-01-16 株式会社Ｓｏｋｅｎ 燃料噴射弁
GB2577251A (en) * 2018-09-18 2020-03-25 Ford Global Tech Llc Diesel injectors and method of manufacturing diesel injectors
JP2019124226A (ja) * 2019-05-10 2019-07-25 日立オートモティブシステムズ株式会社 燃料噴射弁
US11073071B2 (en) * 2019-07-23 2021-07-27 Ford Global Technologies, Llc Fuel injector with divided flowpath nozzle
JP7326632B2 (ja) * 2020-09-24 2023-08-15 日立Astemo株式会社 燃料噴射装置
DE112022001789T5 (de) 2021-06-11 2024-03-07 Cummins Inc. Verfahren und Vorrichtung zur Hartbearbeitung von Öffnungen in Kraftstoffsystemen und Motorkomponenten

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01208563A (ja) * 1988-02-12 1989-08-22 Hitachi Ltd 燃料噴射弁
JP2000073917A (ja) * 1998-08-26 2000-03-07 Man B & W Diesel Gmbh 内燃機関用燃料噴射ノズル
JP2004204808A (ja) * 2002-12-26 2004-07-22 Yanmar Co Ltd 燃料噴射ノズル
JP2009209742A (ja) * 2008-03-03 2009-09-17 Yanmar Co Ltd 多噴口燃料噴射ノズル
CN101737217A (zh) * 2008-11-13 2010-06-16 福特环球技术公司 带有喷嘴的火花点火内燃发动机
JP2012246897A (ja) * 2011-05-31 2012-12-13 Denso Corp 燃料噴射装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148967A (ja) 1982-03-02 1983-09-05 Toshiba Corp プロセス状態量を推定する際のバツクアツプ方法
JP2819702B2 (ja) * 1989-12-12 1998-11-05 株式会社デンソー 燃料噴射弁
JP3193734B2 (ja) 1991-07-15 2001-07-30 松下電工株式会社 可変色照明システム
US6644565B2 (en) * 1998-10-15 2003-11-11 Robert Bosch Gmbh Fuel injection nozzle for self-igniting internal combustion engines
DE19937961A1 (de) * 1999-08-11 2001-02-15 Bosch Gmbh Robert Brennstoffeinspritzventil und Verfahren zur Herstellung von Austrittsöffnungen an Ventilen
US6708905B2 (en) * 1999-12-03 2004-03-23 Emissions Control Technology, Llc Supersonic injector for gaseous fuel engine
US6422198B1 (en) * 2000-09-19 2002-07-23 Delphi Technologies, Inc. Pressure atomizer having multiple orifices and turbulent generation feature
DE10118163B4 (de) * 2001-04-11 2007-04-19 Robert Bosch Gmbh Brennstoffeinspritzventil
JP4022882B2 (ja) 2002-06-20 2007-12-19 株式会社デンソー 燃料噴射装置
DE10319694A1 (de) * 2003-05-02 2004-12-02 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102005036951A1 (de) * 2005-08-05 2007-02-08 Robert Bosch Gmbh Brennstoffeinspritzventil und Verfahren zur Ausformung von Abspritzöffnungen
JP4528701B2 (ja) * 2005-09-13 2010-08-18 日立オートモティブシステムズ株式会社 噴射弁及びオリフィスの加工方法
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
GB0712403D0 (en) * 2007-06-26 2007-08-01 Delphi Tech Inc A Spray Hole Profile
CN101545438B (zh) * 2008-03-27 2012-07-04 株式会社电装 喷射器
JP4985661B2 (ja) 2008-03-27 2012-07-25 株式会社デンソー 燃料噴射弁
JP4627783B2 (ja) * 2008-03-31 2011-02-09 日立オートモティブシステムズ株式会社 燃料噴射弁及びオリフィスの加工方法
JP5033735B2 (ja) 2008-08-08 2012-09-26 日立オートモティブシステムズ株式会社 ノズルの加工方法
JP5959892B2 (ja) * 2012-03-26 2016-08-02 日立オートモティブシステムズ株式会社 火花点火式燃料噴射弁
DE102012209326A1 (de) * 2012-06-01 2013-12-05 Robert Bosch Gmbh Brennstoffeinspritzventil
JP6186130B2 (ja) * 2013-02-04 2017-08-23 日立オートモティブシステムズ株式会社 燃料噴射弁及び燃料噴射弁の製造方法
JP6020380B2 (ja) 2013-08-02 2016-11-02 株式会社デンソー 燃料噴射弁

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01208563A (ja) * 1988-02-12 1989-08-22 Hitachi Ltd 燃料噴射弁
JP2000073917A (ja) * 1998-08-26 2000-03-07 Man B & W Diesel Gmbh 内燃機関用燃料噴射ノズル
JP2004204808A (ja) * 2002-12-26 2004-07-22 Yanmar Co Ltd 燃料噴射ノズル
JP2009209742A (ja) * 2008-03-03 2009-09-17 Yanmar Co Ltd 多噴口燃料噴射ノズル
CN101737217A (zh) * 2008-11-13 2010-06-16 福特环球技术公司 带有喷嘴的火花点火内燃发动机
JP2012246897A (ja) * 2011-05-31 2012-12-13 Denso Corp 燃料噴射装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220228545A1 (en) * 2021-01-19 2022-07-21 Honda Motor Co., Ltd. Internal combustion engine
US11530672B2 (en) * 2021-01-19 2022-12-20 Honda Motor Co., Ltd. Internal combustion engine

Also Published As

Publication number Publication date
US10260470B2 (en) 2019-04-16
DE112014003551T5 (de) 2016-05-12
US20180045157A1 (en) 2018-02-15
WO2015015797A1 (ja) 2015-02-05
JP6020380B2 (ja) 2016-11-02
US9828961B2 (en) 2017-11-28
JP2015031212A (ja) 2015-02-16
US20160195052A1 (en) 2016-07-07

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SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160406

RJ01 Rejection of invention patent application after publication