JP2011027030A - 電磁式燃料噴射弁 - Google Patents
電磁式燃料噴射弁 Download PDFInfo
- Publication number
- JP2011027030A JP2011027030A JP2009173905A JP2009173905A JP2011027030A JP 2011027030 A JP2011027030 A JP 2011027030A JP 2009173905 A JP2009173905 A JP 2009173905A JP 2009173905 A JP2009173905 A JP 2009173905A JP 2011027030 A JP2011027030 A JP 2011027030A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- hole
- diameter
- valve body
- fuel injection
- 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
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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
- 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
- F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
- F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
- F02M51/0646—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being a short body, e.g. sphere or cube
-
- 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
- F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
- F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
- F02M51/0646—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being a short body, e.g. sphere or cube
- F02M51/065—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being a short body, e.g. sphere or cube the valve being spherical or partly spherical
-
- 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
- F02M51/0632—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a spherically or partly spherically shaped armature, e.g. acting as valve body
-
- 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
- F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
- F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
- F02M51/0653—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve
- F02M51/0657—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve the body being hollow and its interior communicating with the fuel flow
-
- 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
- F02M51/0671—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 the armature having an elongated valve body attached thereto
- F02M51/0682—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 the armature having an elongated valve body attached thereto the body being hollow and its interior communicating with the fuel flow
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S239/00—Fluid sprinkling, spraying, and diffusing
- Y10S239/90—Electromagnetically actuated fuel injector having ball and seat type valve
Abstract
【解決手段】弁ハウジング2の弁座部材3に,その弁座8に連なり弁体14を摺動自在に案内する弁体ガイド孔15と,この弁体ガイド孔15の後端にテーパ孔16を介して連なる,弁体ガイド孔15より大径の大径孔17とを設ける一方,燃料入口筒26内に連通する第1縦孔19を固定コア5に設け,この第1縦孔19に連通する第2縦孔20を可動コア12から弁軸13に亙り設けると共に,この第2縦孔20を大径孔17に開放する横孔21を弁軸13に設け,大径孔17の直径D1と,弁体ガイド孔15の直径D2との関係を,D2/D1<0.6とした。
【選択図】 図2
Description
上記(1)式を満足させるように,弁体ガイド孔15及び大径孔17は形成される。
2・・・・・弁ハウジング
3・・・・・弁座部材
5・・・・・固定コア
7・・・・・弁孔
8・・・・・弁座
12・・・・可動コア
13・・・・弁軸
13a・・・中空軸部
13b・・・中実軸部
14・・・・弁体
15・・・・ガイド孔
16・・・・テーパ孔
17・・・・大径孔
18・・・・流路部
19・・・・第1縦孔
20・・・・第2縦孔
21・・・・横孔
25・・・・円筒状流路
26・・・・燃料入口筒
30・・・・コイル
Claims (3)
- 前端に弁座(8)及び弁孔(7)を有する弁座部材(3),固定コア(5),燃料入口筒(26)を前後に連ねてなり内部を燃料流路とする弁ハウジング(2)と,この弁ハウジング(2)の外周に配設され,前記固定コア(5)を励磁すべく通電されるコイル(30)と,前記弁ハウジング(2)に収容され,前記固定コア(5)の消磁及び励磁に伴ない前記弁座(8)と協働して前記弁孔(7)を開閉する弁組立体(V)とを備えてなり,前記弁組立体(V)を,前記弁座(8)に離,着座する,基本形が球状で外周に複数の流路部(18)を有する弁体(14)と,前記弁ハウジング(2)に摺動自在に嵌装される可動コア(12)と,この可動コア(12)の前端にそれより小なる直径をもって一体に突設されて弁体(14)に連結する弁軸(13)とで構成した電磁式燃料噴射弁において,
前記弁座部材(3)に,その弁座(8)に連なり前記弁体(14)を摺動自在に案内する弁体ガイド孔(15)と,この弁体ガイド孔(15)の後端にテーパ孔(16)を介して連なる,弁体ガイド孔(15)より大径の大径孔(17)とを設ける一方,前記燃料入口筒(26)内に連通する第1縦孔(19)を前記固定コア(5)に設け,この第1縦孔(19)に連通する第2縦孔(20)を前記可動コア(12)から前記弁軸(13)に亙り設けると共に,この第2縦孔(20)を前記大径孔(17)に開放する横孔(21)を前記弁軸(13)に設け,前記大径孔(17)の直径D1と前記弁体ガイド孔(15)の直径D2との関係を,D2/D1<0.6とすることを特徴とする電磁式燃料噴射弁。 - 請求項1記載の電磁式燃料噴射弁において,
前記テーパ孔(16)のテーパ角度(θ)を50°〜70°に設定したことを特徴とする電磁式燃料噴射弁。 - 請求項1又は2記載の電磁式燃料噴射弁において,
前記弁軸(13)を,前記第2縦孔(20)を有する中空軸部(13a)と,この中空軸部(13a)より小径で且つ中実であって中空軸部(13a)の前端に連なる中実軸部(13b)とで構成し,この中空軸部(13a)の前端部を前記弁体ガイド孔(15)に突入させてこの中空軸部(13a)と前記弁体ガイド孔(15)の内周面との間に円筒状流路(25)を画成したことを特徴とする電磁式燃料噴射弁。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009173905A JP5363228B2 (ja) | 2009-07-27 | 2009-07-27 | 電磁式燃料噴射弁 |
EP10804183.1A EP2461013B1 (en) | 2009-07-27 | 2010-05-21 | Electromagnetic fuel injection valve |
US13/386,470 US8727243B2 (en) | 2009-07-27 | 2010-05-21 | Electromagnetic fuel injection valve |
CN201080032807.3A CN102472216B (zh) | 2009-07-27 | 2010-05-21 | 电磁式燃料喷射阀 |
BR112012000963-0A BR112012000963B1 (pt) | 2009-07-27 | 2010-05-21 | válvula eletromagnética de injeção de combustível |
PCT/JP2010/058607 WO2011013435A1 (ja) | 2009-07-27 | 2010-05-21 | 電磁式燃料噴射弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009173905A JP5363228B2 (ja) | 2009-07-27 | 2009-07-27 | 電磁式燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011027030A true JP2011027030A (ja) | 2011-02-10 |
JP5363228B2 JP5363228B2 (ja) | 2013-12-11 |
Family
ID=43529100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009173905A Active JP5363228B2 (ja) | 2009-07-27 | 2009-07-27 | 電磁式燃料噴射弁 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8727243B2 (ja) |
EP (1) | EP2461013B1 (ja) |
JP (1) | JP5363228B2 (ja) |
CN (1) | CN102472216B (ja) |
BR (1) | BR112012000963B1 (ja) |
WO (1) | WO2011013435A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8234935B2 (en) * | 2010-10-28 | 2012-08-07 | Hamilton Sundstrand Corporation | Anti-rotation mechanism for pitot tube |
EP2811149A1 (en) * | 2013-06-05 | 2014-12-10 | Continental Automotive GmbH | Sealing body and needle for a fluid injection valve |
US10978233B2 (en) * | 2016-04-08 | 2021-04-13 | Eagle Industry Co., Ltd. | Solenoid having a barrier between a solenoid housing and package |
DE102018200357A1 (de) * | 2018-01-11 | 2019-07-11 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids, insbesondere Brennstoffeinspritzventil |
JP6888146B1 (ja) * | 2020-03-27 | 2021-06-16 | 日立Astemo株式会社 | 直噴式燃料噴射弁 |
CN112648429B (zh) * | 2020-12-31 | 2022-11-01 | 中国航发长春控制科技有限公司 | 一种螺旋杆支撑钢球阀套组合电磁阀结构 |
JP2022146786A (ja) * | 2021-03-22 | 2022-10-05 | 日立Astemo株式会社 | 電磁式燃料噴射弁 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001115923A (ja) * | 1999-10-13 | 2001-04-27 | Keihin Corp | 電磁式燃料噴射弁 |
JP2007032342A (ja) * | 2005-07-25 | 2007-02-08 | Hitachi Ltd | 燃料噴射弁 |
WO2008117459A1 (ja) * | 2007-03-27 | 2008-10-02 | Mitsubishi Electric Corporation | 燃料噴射弁 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3913841B2 (ja) * | 1997-07-02 | 2007-05-09 | 本田技研工業株式会社 | 噴射弁 |
US6789754B2 (en) * | 2002-09-25 | 2004-09-14 | Siemens Vdo Automotive Corporation | Spray pattern control with angular orientation in fuel injector and method |
JP2005113815A (ja) * | 2003-10-08 | 2005-04-28 | Keihin Corp | 燃料噴射弁 |
US7048202B2 (en) * | 2004-03-04 | 2006-05-23 | Siemens Vdo Automotive Corporation | Compound-angled orifices in fuel injection metering disc |
JP3955043B2 (ja) * | 2004-06-29 | 2007-08-08 | 株式会社ケーヒン | 電磁式燃料噴射弁の製造方法 |
US20070131803A1 (en) | 2005-12-13 | 2007-06-14 | Phadke Milind V | Fuel injector having integrated valve seat guide |
-
2009
- 2009-07-27 JP JP2009173905A patent/JP5363228B2/ja active Active
-
2010
- 2010-05-21 EP EP10804183.1A patent/EP2461013B1/en active Active
- 2010-05-21 BR BR112012000963-0A patent/BR112012000963B1/pt active IP Right Grant
- 2010-05-21 WO PCT/JP2010/058607 patent/WO2011013435A1/ja active Application Filing
- 2010-05-21 US US13/386,470 patent/US8727243B2/en active Active
- 2010-05-21 CN CN201080032807.3A patent/CN102472216B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001115923A (ja) * | 1999-10-13 | 2001-04-27 | Keihin Corp | 電磁式燃料噴射弁 |
JP2007032342A (ja) * | 2005-07-25 | 2007-02-08 | Hitachi Ltd | 燃料噴射弁 |
WO2008117459A1 (ja) * | 2007-03-27 | 2008-10-02 | Mitsubishi Electric Corporation | 燃料噴射弁 |
Also Published As
Publication number | Publication date |
---|---|
BR112012000963A2 (pt) | 2016-03-15 |
BR112012000963A8 (pt) | 2016-10-04 |
EP2461013A1 (en) | 2012-06-06 |
CN102472216A (zh) | 2012-05-23 |
EP2461013A4 (en) | 2013-05-22 |
WO2011013435A1 (ja) | 2011-02-03 |
US20120160938A1 (en) | 2012-06-28 |
CN102472216B (zh) | 2014-05-28 |
EP2461013B1 (en) | 2014-11-12 |
US8727243B2 (en) | 2014-05-20 |
BR112012000963B1 (pt) | 2019-11-05 |
JP5363228B2 (ja) | 2013-12-11 |
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