JP2013209887A - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP2013209887A JP2013209887A JP2012078785A JP2012078785A JP2013209887A JP 2013209887 A JP2013209887 A JP 2013209887A JP 2012078785 A JP2012078785 A JP 2012078785A JP 2012078785 A JP2012078785 A JP 2012078785A JP 2013209887 A JP2013209887 A JP 2013209887A
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- fuel
- nozzle body
- orifice plate
- passage
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 159
- 238000002347 injection Methods 0.000 title claims abstract description 94
- 239000007924 injection Substances 0.000 title claims abstract description 94
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 230000013011 mating Effects 0.000 abstract description 27
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 1
- 238000000889 atomisation Methods 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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
- F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
- B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
-
- 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
- F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
- F02M61/163—Means being injection-valves with helically or spirally shaped grooves
-
- 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
- F02M61/1813—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
- F02M61/16—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
- 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
- F02M61/1853—Orifice plates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
【解決手段】燃料の噴射と停止を行うために開閉可能な弁体と、該弁体と密着して燃料の噴射の停止を行うことが可能な弁座面を有するノズル体2と、前記弁座面の下流に配置され旋回燃料を噴射する複数の燃料噴射孔23を有するオリフィスプレート20を備えた燃料噴射弁において、前記ノズル体2の端面部が下方側に凸状となる傾斜面を有し、旋回用通路の合わせ面20aが旋回室の合わせ面20bに対してオリフィスプレート側に位置するように段差状の傾斜面を形成し、前記旋回用通路21と前記旋回室22を有する前記オリフィスプレート20を前記ノズル体2の外周部に設けた凹状溝外周壁部2eをガイドにして挿入固定する。
【選択図】 図2
Description
旋回用通路の合わせ面20aと旋回室の合わせ面20bは同面でも構わないが、好ましくは僅かな段差が形成されていると良い。その場合、旋回室の合わせ面20bが旋回用通路の合わせ面2aの下側方向に僅かにずれるように設計されると良い。
2 ノズル体
2a、20a 旋回用通路の合わせ面
2b、20b 旋回室の合わせ面
3 弁座面
4 燃料噴射室
5 燃料導入孔
6 弁体
20 オリフィスプレート
21a、21b、21c 旋回用通路
22a、22b、22c 旋回室
23a、23b、23c 燃料噴射孔
25 中央穴
26、29 押圧面
Claims (4)
- 燃料の噴射と停止を行うために開閉可能な弁体と、該弁体と密着して燃料の噴射の停止を行うことが可能な弁座面を有するノズル体と、前記弁座面の燃料流れに対して下流に配置され燃料が通過する旋回用通路と、該旋回用通路の下流に配置される旋回室と、旋回燃料を噴射する複数の燃料噴射孔を有するオリフィスプレートを備えた燃料噴射弁において、
前記ノズル体の端面部が下方側に凸状となる傾斜面を有し、前記傾斜面は、段差状に形成され、前記旋回用通路と前記旋回室を有する前記オリフィスプレートを前記ノズル体の外周部に設けた凹状溝外周壁部をガイドにして挿入固定するようにしたことを特徴とする燃料噴射弁。 - 請求項1に記載の燃料噴射弁において、
前記ノズル体に形成される凸状をなす前記オリフィスプレート側の傾斜面において、前記オリフィスプレートの該旋回用通路に対向する傾斜面が、前記オリフィスプレートの該旋回室に対向する傾斜面よりも前記オリフィスプレート側にあることを特徴とする燃料噴射弁。 - 請求項1に記載の燃料噴射弁において、
前記オリフィスプレートに形成される凸状をなす前記ノズル体側の傾斜面において、前記ノズル体の該旋回用通路に対向する傾斜面が、前記ノズル体の該旋回室に対向する傾斜面よりも前記ノズル体側にあることを特徴とする燃料噴射弁。 - 請求項1ないし3のいずれか1項に記載の燃料噴射弁において、
前記旋回室の断面がインボリュート曲線又は螺旋曲線で形成されたことを特徴とする燃料噴射弁。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012078785A JP5875442B2 (ja) | 2012-03-30 | 2012-03-30 | 燃料噴射弁 |
US13/768,718 US9464612B2 (en) | 2012-03-30 | 2013-02-15 | Fuel injection valve |
CN201310051725.9A CN103362712B (zh) | 2012-03-30 | 2013-02-17 | 燃料喷射阀 |
DE102013202549A DE102013202549A1 (de) | 2012-03-30 | 2013-02-18 | Kraftstoffeinspritzventil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012078785A JP5875442B2 (ja) | 2012-03-30 | 2012-03-30 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013209887A true JP2013209887A (ja) | 2013-10-10 |
JP5875442B2 JP5875442B2 (ja) | 2016-03-02 |
Family
ID=49154902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012078785A Active JP5875442B2 (ja) | 2012-03-30 | 2012-03-30 | 燃料噴射弁 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9464612B2 (ja) |
JP (1) | JP5875442B2 (ja) |
CN (1) | CN103362712B (ja) |
DE (1) | DE102013202549A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016089800A (ja) * | 2014-11-11 | 2016-05-23 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015068516A1 (ja) * | 2013-11-11 | 2015-05-14 | 株式会社エンプラス | 燃料噴射装置用ノズルプレートの取付構造 |
WO2016121475A1 (ja) * | 2015-01-30 | 2016-08-04 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
WO2016196245A1 (en) * | 2015-05-29 | 2016-12-08 | Nostrum Energy Pte. Ltd. | Fluid injector orifice plate for colliding fluid jets |
JP6692451B2 (ja) * | 2016-11-09 | 2020-05-13 | 三菱電機株式会社 | 燃料噴射弁 |
DE112020000577T5 (de) * | 2019-02-25 | 2021-12-23 | Cummins Inc. | Düse mit verwirbelungssitz |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03111660A (ja) * | 1989-09-22 | 1991-05-13 | Japan Electron Control Syst Co Ltd | 噴射弁および噴射弁用プレートノズルの製造方法 |
JPH1018943A (ja) * | 1996-07-05 | 1998-01-20 | Aisan Ind Co Ltd | 燃料噴射弁 |
US20030141385A1 (en) * | 2002-01-31 | 2003-07-31 | Min Xu | Fuel injector swirl nozzle assembly |
JP2003336562A (ja) * | 2002-05-17 | 2003-11-28 | Keihin Corp | 燃料噴射弁 |
JP2004278464A (ja) * | 2003-03-18 | 2004-10-07 | Keihin Corp | 燃料噴射弁 |
JP2006105003A (ja) * | 2004-10-04 | 2006-04-20 | Keihin Corp | 燃料噴射弁及びそれにおける燃料噴孔の加工方法 |
JP2007309236A (ja) * | 2006-05-19 | 2007-11-29 | Toyota Motor Corp | 燃料噴射ノズル |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0735001A (ja) | 1993-07-19 | 1995-02-03 | Haruji Kurogo | ディーゼル機関の燃料噴射ノッズル |
US6742727B1 (en) * | 2000-05-10 | 2004-06-01 | Siemens Automotive Corporation | Injection valve with single disc turbulence generation |
US6405945B1 (en) * | 2000-09-06 | 2002-06-18 | Visteon Global Tech., Inc. | Nozzle for a fuel injector |
DE10118276A1 (de) * | 2001-04-12 | 2002-10-17 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
US6854670B2 (en) * | 2002-05-17 | 2005-02-15 | Keihin Corporation | Fuel injection valve |
DE102005017420A1 (de) * | 2005-04-15 | 2006-10-19 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
US7716830B2 (en) * | 2005-10-11 | 2010-05-18 | Translume, Inc. | Method of manufacturing a glass fuel injector |
US8225602B2 (en) * | 2009-06-11 | 2012-07-24 | Stanadyne Corporation | Integrated pump and injector for exhaust after treatment |
-
2012
- 2012-03-30 JP JP2012078785A patent/JP5875442B2/ja active Active
-
2013
- 2013-02-15 US US13/768,718 patent/US9464612B2/en active Active
- 2013-02-17 CN CN201310051725.9A patent/CN103362712B/zh active Active
- 2013-02-18 DE DE102013202549A patent/DE102013202549A1/de not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03111660A (ja) * | 1989-09-22 | 1991-05-13 | Japan Electron Control Syst Co Ltd | 噴射弁および噴射弁用プレートノズルの製造方法 |
JPH1018943A (ja) * | 1996-07-05 | 1998-01-20 | Aisan Ind Co Ltd | 燃料噴射弁 |
US20030141385A1 (en) * | 2002-01-31 | 2003-07-31 | Min Xu | Fuel injector swirl nozzle assembly |
JP2003336562A (ja) * | 2002-05-17 | 2003-11-28 | Keihin Corp | 燃料噴射弁 |
JP2004278464A (ja) * | 2003-03-18 | 2004-10-07 | Keihin Corp | 燃料噴射弁 |
JP2006105003A (ja) * | 2004-10-04 | 2006-04-20 | Keihin Corp | 燃料噴射弁及びそれにおける燃料噴孔の加工方法 |
JP2007309236A (ja) * | 2006-05-19 | 2007-11-29 | Toyota Motor Corp | 燃料噴射ノズル |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016089800A (ja) * | 2014-11-11 | 2016-05-23 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
Also Published As
Publication number | Publication date |
---|---|
CN103362712A (zh) | 2013-10-23 |
US9464612B2 (en) | 2016-10-11 |
CN103362712B (zh) | 2018-05-01 |
DE102013202549A1 (de) | 2013-10-02 |
US20130256428A1 (en) | 2013-10-03 |
JP5875442B2 (ja) | 2016-03-02 |
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