JP6213285B2 - 燃料噴射弁 - Google Patents

燃料噴射弁 Download PDF

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Publication number
JP6213285B2
JP6213285B2 JP2014025452A JP2014025452A JP6213285B2 JP 6213285 B2 JP6213285 B2 JP 6213285B2 JP 2014025452 A JP2014025452 A JP 2014025452A JP 2014025452 A JP2014025452 A JP 2014025452A JP 6213285 B2 JP6213285 B2 JP 6213285B2
Authority
JP
Japan
Prior art keywords
spray
nozzle hole
injection valve
fuel injection
diameter
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.)
Expired - Fee Related
Application number
JP2014025452A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015151908A (ja
Inventor
文裕 藤掛
文裕 藤掛
鈴木　雅幸
雅幸 鈴木
石塚　康治
康治 石塚
敦司 宇都宮
敦司 宇都宮
一史 芹澤
一史 芹澤
真也 佐野
真也 佐野
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 JP2014025452A priority Critical patent/JP6213285B2/ja
Priority to DE102015101703.2A priority patent/DE102015101703A1/de
Publication of JP2015151908A publication Critical patent/JP2015151908A/ja
Application granted granted Critical
Publication of JP6213285B2 publication Critical patent/JP6213285B2/ja
Expired - Fee Related 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
    • 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
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0672—Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis
    • 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
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
    • F02B23/0624—Swirl flow
    • 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
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/0669—Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
    • 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
    • F02M61/1826—Discharge orifices having different sizes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
JP2014025452A 2014-02-13 2014-02-13 燃料噴射弁 Expired - Fee Related JP6213285B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014025452A JP6213285B2 (ja) 2014-02-13 2014-02-13 燃料噴射弁
DE102015101703.2A DE102015101703A1 (de) 2014-02-13 2015-02-06 Kraftstoffinjektor für eine interne Verbrennungsmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014025452A JP6213285B2 (ja) 2014-02-13 2014-02-13 燃料噴射弁

Publications (2)

Publication Number Publication Date
JP2015151908A JP2015151908A (ja) 2015-08-24
JP6213285B2 true JP6213285B2 (ja) 2017-10-18

Family

ID=53676986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014025452A Expired - Fee Related JP6213285B2 (ja) 2014-02-13 2014-02-13 燃料噴射弁

Country Status (2)

Country Link
JP (1) JP6213285B2 (de)
DE (1) DE102015101703A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114353120B (zh) * 2021-12-17 2023-04-25 中国北方发动机研究所(天津) 一种适用于多孔径喷嘴的起伏面导流型燃烧室

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50134523U (de) * 1974-04-22 1975-11-06
JPS611660U (ja) * 1984-06-12 1986-01-08 日産自動車株式会社 デイ−ゼルエンジンの燃料噴射ノズル
JPS62139919A (ja) * 1985-12-13 1987-06-23 Isuzu Motors Ltd 内燃機関の燃焼室
JPH063135B2 (ja) * 1985-12-26 1994-01-12 いすゞ自動車株式会社 スパークアシストデイーゼル機関の燃焼室
JP2564854B2 (ja) * 1987-10-23 1996-12-18 いすゞ自動車株式会社 スパークアシストディーゼル機関
JPH01116219A (ja) * 1987-10-28 1989-05-09 Mazda Motor Corp 直噴式エンジン
JP3191514B2 (ja) * 1993-07-29 2001-07-23 いすゞ自動車株式会社 副室式エンジン
JPH07167016A (ja) * 1993-10-09 1995-07-04 Hino Motors Ltd 燃料噴射装置
JPH10176632A (ja) * 1996-12-17 1998-06-30 Mitsubishi Motors Corp 燃料噴射ノズル
JP3327167B2 (ja) * 1997-04-25 2002-09-24 株式会社豊田中央研究所 燃料噴射ノズル
JP2006118465A (ja) * 2004-10-22 2006-05-11 Toyota Motor Corp 筒内噴射式内燃機関
JP4321567B2 (ja) * 2006-08-28 2009-08-26 トヨタ自動車株式会社 筒内噴射式火花点火内燃機関
JP5217402B2 (ja) * 2007-12-10 2013-06-19 トヨタ自動車株式会社 燃料噴射弁
JP5237314B2 (ja) * 2010-02-19 2013-07-17 ヤンマー株式会社 ディーゼルエンジン
DE102010032442B4 (de) * 2010-07-28 2014-10-30 Audi Ag Selbstzündende Brennkraftmaschine mit Kolbenmulden mit Drallstufung
KR20120058151A (ko) * 2010-11-29 2012-06-07 현대자동차주식회사 차량용 인젝터
JP2013160194A (ja) * 2012-02-08 2013-08-19 Nippon Soken Inc 内燃機関の燃料噴射制御装置

Also Published As

Publication number Publication date
DE102015101703A1 (de) 2015-08-13
JP2015151908A (ja) 2015-08-24

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