JP3819906B2 - 電磁式燃料噴射弁およびその製造方法 - Google Patents
電磁式燃料噴射弁およびその製造方法 Download PDFInfo
- Publication number
- JP3819906B2 JP3819906B2 JP2004053692A JP2004053692A JP3819906B2 JP 3819906 B2 JP3819906 B2 JP 3819906B2 JP 2004053692 A JP2004053692 A JP 2004053692A JP 2004053692 A JP2004053692 A JP 2004053692A JP 3819906 B2 JP3819906 B2 JP 3819906B2
- Authority
- JP
- Japan
- Prior art keywords
- movable
- movable core
- stopper
- fixed
- core
- 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 - Lifetime
Links
- 239000000446 fuel Substances 0.000 title claims description 30
- 238000002347 injection Methods 0.000 title claims description 23
- 239000007924 injection Substances 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000011162 core material Substances 0.000 claims description 154
- 239000000463 material Substances 0.000 claims description 54
- 238000000227 grinding Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000006247 magnetic powder Substances 0.000 description 8
- 239000000696 magnetic material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 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
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- F02M51/0664—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
- 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
- F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
-
- 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
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
- F02M2200/505—Adjusting spring tension by sliding spring seats
-
- 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
- F02M61/165—Filtering elements specially adapted in fuel inlets to injector
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49428—Gas and water specific plumbing component making
- Y10T29/49432—Nozzle making
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Magnetically Actuated Valves (AREA)
Description
13・・・弁座
18・・・可動コア
18′・・・可動コア素材
20・・・弁体
22・・・固定コア
24・・・コイル組立体
28・・・ストッパ
28′・・・ストッパ素材
41・・・可動側吸引作用面
42・・・固定側吸引作用面
51・・・当接面
52・・・斜面
Claims (2)
- 弁座(13)を前端に有する弁ハウジング(8)内に収容されて前記弁座(13)に着座する側にばね付勢される弁体(20)と、可動側吸引作用面(41)を後端に有して前記弁体(20)に同軸に連接される円筒状の可動コア(18)と、前記可動側吸引作用面(41)に対向する固定側吸引作用面(42)を前端に有する固定コア(22)と、可動コア(18)を固定コア(22)側に吸引する電磁力を発揮するコイル組立体(24)とを備え、前記固定側吸引作用面(42)への前記可動側吸引作用面(41)の接触が規制される電磁式燃料噴射弁において、前記可動コア(18)の後部内周に非磁性もしくは可動コア(18)よりも弱磁性の材料から成るリング状のストッパ(28)が圧入され、前記可動コア(18)の後端に形成される平坦な可動側吸引作用面(41)よりも前記固定側吸引作用面(42)側に配置される平坦な当接面(51)が前記固定側吸引作用面(42)に当接することを可能として前記ストッパ(28)の後端に形成され、前記可動コア(18)の後端内周部および前記ストッパ(28)の後端外周部には、前記可動側吸引作用面(41)および前記当接面(51)間を連続して滑らかに結ぶ斜面(52)が形成され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を製造するにあたって、前記可動コア(18)および前記ストッパ(28)をそれぞれ形成するための円筒状の可動コア素材(18′)およびリング状のストッパ素材(28′)を準備する工程と;前記ストッパ素材(28′)の前部を前記可動コア素材(18′)に圧入して前記ストッパ素材(28′)を前記可動コア素材(18′)に固定する工程と;前記ストッパ素材(28′)および前記可動コア素材(18′)の後部を研削して前記可動側吸引作用面(41)、前記当接面(51)および前記斜面(52)を形成する工程と;を順次実行することを特徴とする電磁式燃料噴射弁の製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004053692A JP3819906B2 (ja) | 2004-02-27 | 2004-02-27 | 電磁式燃料噴射弁およびその製造方法 |
MYPI20050711A MY138041A (en) | 2004-02-27 | 2005-02-24 | Electromagnetic fuel injection valve and process for producing the same |
US10/588,961 US7673818B2 (en) | 2004-02-27 | 2005-02-25 | Electromagnetic fuel injection valve and process for producing the same |
EP05719529A EP1754882B1 (en) | 2004-02-27 | 2005-02-25 | Electromagnetic fuel injection valve and method of manufacturing the same |
PCT/JP2005/003128 WO2005083260A1 (ja) | 2004-02-27 | 2005-02-25 | 電磁式燃料噴射弁およびその製造方法 |
CNB2005800061659A CN100416085C (zh) | 2004-02-27 | 2005-02-25 | 电磁式燃料喷射阀及其制造方法 |
BRPI0508235A BRPI0508235B8 (pt) | 2004-02-27 | 2005-02-25 | Válvula para injeção de combustível eletromagnética e processo para produção da mesma |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004053692A JP3819906B2 (ja) | 2004-02-27 | 2004-02-27 | 電磁式燃料噴射弁およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005240732A JP2005240732A (ja) | 2005-09-08 |
JP3819906B2 true JP3819906B2 (ja) | 2006-09-13 |
Family
ID=34908754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004053692A Expired - Lifetime JP3819906B2 (ja) | 2004-02-27 | 2004-02-27 | 電磁式燃料噴射弁およびその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7673818B2 (ja) |
EP (1) | EP1754882B1 (ja) |
JP (1) | JP3819906B2 (ja) |
CN (1) | CN100416085C (ja) |
BR (1) | BRPI0508235B8 (ja) |
MY (1) | MY138041A (ja) |
WO (1) | WO2005083260A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007205234A (ja) | 2006-02-01 | 2007-08-16 | Denso Corp | 燃料噴射弁 |
US7603985B2 (en) * | 2007-01-25 | 2009-10-20 | Denso Corporation | Common rail |
JP2008202591A (ja) * | 2007-01-25 | 2008-09-04 | Denso Corp | コモンレール |
DE102007049945A1 (de) * | 2007-10-18 | 2009-04-23 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP5072745B2 (ja) * | 2008-07-07 | 2012-11-14 | 株式会社ケーヒン | 電磁式燃料噴射弁及びその製造方法 |
EP2719886B1 (en) * | 2012-10-10 | 2015-06-24 | Continental Automotive GmbH | Valve assembly for an injection valve |
JP2016125360A (ja) * | 2014-12-26 | 2016-07-11 | 株式会社日本自動車部品総合研究所 | 燃料噴射弁 |
JP2016125362A (ja) * | 2014-12-26 | 2016-07-11 | 株式会社日本自動車部品総合研究所 | 燃料噴射弁 |
DE102015217673A1 (de) | 2015-09-15 | 2017-03-16 | Continental Automotive Gmbh | Einspritzvorrichtung zur Zumessung eines Fluids und Kraftfahrzeug mit einer derartigen Einspritzvorrichtung |
CN105136154A (zh) * | 2015-09-30 | 2015-12-09 | 江苏农林职业技术学院 | 车载导航***、导航方法及应用该车载导航***的车辆 |
US10890147B2 (en) | 2016-03-28 | 2021-01-12 | Hitachi Automotive Systems, Ltd. | Flow control device |
CN109312875B (zh) * | 2016-06-28 | 2022-04-05 | 博格华纳公司 | 用于螺线管致动阀的具有倒锥形电枢的螺线管 |
WO2018083795A1 (ja) * | 2016-11-07 | 2018-05-11 | 三菱電機株式会社 | 燃料噴射弁 |
JP6677195B2 (ja) * | 2017-03-03 | 2020-04-08 | 株式会社デンソー | 燃料噴射弁及び燃料噴射弁の製造方法 |
US10539057B2 (en) * | 2017-09-14 | 2020-01-21 | Vitesco Technologies USA, LLC | Injector for reductant delivery unit having reduced fluid volume |
US10947880B2 (en) | 2018-02-01 | 2021-03-16 | Continental Powertrain USA, LLC | Injector for reductant delivery unit having fluid volume reduction assembly |
WO2019202829A1 (ja) * | 2018-04-20 | 2019-10-24 | 日立オートモティブシステムズ株式会社 | 流量制御装置の部品及び燃料噴射弁 |
JP7338155B2 (ja) * | 2019-01-08 | 2023-09-05 | 株式会社デンソー | 燃料噴射弁 |
JP6788085B1 (ja) * | 2019-09-20 | 2020-11-18 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP6773927B1 (ja) * | 2020-01-24 | 2020-10-21 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP7482073B2 (ja) * | 2021-03-22 | 2024-05-13 | 日立Astemo株式会社 | 電磁式燃料噴射弁 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3825134A1 (de) * | 1988-07-23 | 1990-01-25 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil und verfahren zur herstellung |
DE3831196A1 (de) * | 1988-09-14 | 1990-03-22 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil |
DE3927932A1 (de) * | 1989-08-24 | 1991-02-28 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares kraftstoffeinspritzventil |
DE4003227C1 (en) * | 1990-02-03 | 1991-01-03 | Robert Bosch Gmbh, 7000 Stuttgart, De | EM fuel injection valve for IC engine - has two overlapping parts welded together as narrowed section of one part |
US5207245A (en) * | 1991-07-31 | 1993-05-04 | Kip Corporation | Solenoid valve and valve calibrating method |
DE4137786C2 (de) * | 1991-11-16 | 1999-03-25 | Bosch Gmbh Robert | Elektromagnetisch betätigbares Einspritzventil |
US5381965A (en) * | 1993-02-16 | 1995-01-17 | Siemens Automotive L.P. | Fuel injector |
EP0683861B1 (de) * | 1993-12-09 | 1998-03-04 | Robert Bosch Gmbh | Elektromagnetisch betätigbares ventil |
CN1049951C (zh) * | 1993-12-09 | 2000-03-01 | 罗伯特·博施有限公司 | 电磁操纵阀 |
US5494223A (en) * | 1994-08-18 | 1996-02-27 | Siemens Automotive L.P. | Fuel injector having improved parallelism of impacting armature surface to impacted stop surface |
DE19646611C1 (de) * | 1996-11-12 | 1998-05-28 | Dbt Gmbh | Elektro-hydraulisches Steuerventil |
JP4178355B2 (ja) * | 2000-07-13 | 2008-11-12 | 株式会社デンソー | 燃料噴射装置 |
JP3803539B2 (ja) | 2000-09-12 | 2006-08-02 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP3882892B2 (ja) | 2001-11-07 | 2007-02-21 | 株式会社デンソー | 燃料噴射装置 |
JP2003322274A (ja) * | 2002-04-26 | 2003-11-14 | Tgk Co Ltd | 電磁制御弁 |
JP2004270490A (ja) | 2003-03-06 | 2004-09-30 | Denso Corp | 電磁駆動装置およびそれを用いた燃料噴射弁、ならびに電磁駆動装置の製造方法 |
EP1617071B1 (en) * | 2003-03-24 | 2008-08-13 | Keihin Corporation | Electromagnetic type fuel injection valve |
JP3887336B2 (ja) | 2003-03-24 | 2007-02-28 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
-
2004
- 2004-02-27 JP JP2004053692A patent/JP3819906B2/ja not_active Expired - Lifetime
-
2005
- 2005-02-24 MY MYPI20050711A patent/MY138041A/en unknown
- 2005-02-25 EP EP05719529A patent/EP1754882B1/en active Active
- 2005-02-25 BR BRPI0508235A patent/BRPI0508235B8/pt active IP Right Grant
- 2005-02-25 WO PCT/JP2005/003128 patent/WO2005083260A1/ja active Application Filing
- 2005-02-25 CN CNB2005800061659A patent/CN100416085C/zh active Active
- 2005-02-25 US US10/588,961 patent/US7673818B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2005240732A (ja) | 2005-09-08 |
EP1754882A4 (en) | 2010-11-24 |
BRPI0508235A (pt) | 2007-07-17 |
EP1754882A1 (en) | 2007-02-21 |
CN100416085C (zh) | 2008-09-03 |
US7673818B2 (en) | 2010-03-09 |
WO2005083260A1 (ja) | 2005-09-09 |
BRPI0508235B1 (pt) | 2018-05-15 |
BRPI0508235B8 (pt) | 2022-09-06 |
US20080035761A1 (en) | 2008-02-14 |
EP1754882B1 (en) | 2011-11-02 |
MY138041A (en) | 2009-04-30 |
CN1926325A (zh) | 2007-03-07 |
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