JP6213285B2 - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- 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
Links
- 239000000446 fuel Substances 0.000 title claims description 51
- 238000002347 injection Methods 0.000 title claims description 49
- 239000007924 injection Substances 0.000 title claims description 49
- 239000007921 spray Substances 0.000 claims description 64
- 238000002485 combustion reaction Methods 0.000 claims description 51
- 230000000149 penetrating effect Effects 0.000 claims description 37
- 230000035515 penetration Effects 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
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)
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)
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)
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 |
-
2014
- 2014-02-13 JP JP2014025452A patent/JP6213285B2/ja not_active Expired - Fee Related
-
2015
- 2015-02-06 DE DE102015101703.2A patent/DE102015101703A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102015101703A1 (de) | 2015-08-13 |
JP2015151908A (ja) | 2015-08-24 |
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