JP5924764B2 - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP5924764B2 JP5924764B2 JP2012028816A JP2012028816A JP5924764B2 JP 5924764 B2 JP5924764 B2 JP 5924764B2 JP 2012028816 A JP2012028816 A JP 2012028816A JP 2012028816 A JP2012028816 A JP 2012028816A JP 5924764 B2 JP5924764 B2 JP 5924764B2
- Authority
- JP
- Japan
- Prior art keywords
- retainer
- fixed core
- valve
- fuel injection
- opening
- 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.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims description 32
- 238000002347 injection Methods 0.000 title claims description 15
- 239000007924 injection Substances 0.000 title claims description 15
- 239000002184 metal Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000004323 axial length Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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
-
- 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
-
- 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
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/042—The valves being provided with fuel passages
- F02M61/045—The valves being provided with fuel 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
- F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
-
- 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
- F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
- F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
Description
10・・・弁プランジャ
26A,26B・・・リテーナ
27・・・戻しばね
38・・・開口部
39・・・テーパ面
40・・・切欠き
41・・・第2の切欠き
42・・・面取り部
I・・・燃料噴射弁
Claims (2)
- 磁性金属で円筒状に形成される固定コア(2)と、該固定コア(2)の一端に対向して同軸に配置されるとともに前記固定コア(2)に対する近接・離反を可能とした弁プランジャ(10)と、軸方向全長にわたって直線状に延びる一条の開口部(38)を有して横断面形状が略C字状に形成されるとともに軸方向両端部外周に軸方向先端まで延びるテーパ面(39)をそれぞれ有して前記固定コア(2)内に圧入されるリテーナ(26A,26B)と、該リテーナ(26A,26B)および前記弁プランジャ(10)間に設けられるコイル状の戻しばね(27)とを備える燃料噴射弁において、
前記テーパ面(39)が形成された前記リテーナ(26A,26B)の軸方向両端部で、且つ該リテーナ(26A,26B)の周方向両端部に、前記開口部(38)の長手方向両端部の幅を拡げるようにして切欠き(40)もしくは面取り部(42)が設けられることを特徴とする燃料噴射弁。 - 前記リテーナ(26A,26B)の周方向中央部で前記開口部(38)の長手方向両端部に対向する部分に第2の切欠き(41)が設けられることを特徴とする請求項1記載の燃料噴射弁。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012028816A JP5924764B2 (ja) | 2012-02-13 | 2012-02-13 | 燃料噴射弁 |
DE112013000957.9T DE112013000957T5 (de) | 2012-02-13 | 2013-01-08 | Kraftstoffeinspritzventil |
KR1020147023674A KR20140108602A (ko) | 2012-02-13 | 2013-01-08 | 연료 분사 밸브 |
PCT/JP2013/050053 WO2013121806A1 (ja) | 2012-02-13 | 2013-01-08 | 燃料噴射弁 |
US14/377,572 US20150001318A1 (en) | 2012-02-13 | 2013-01-08 | Fuel injection valve |
US15/399,501 US20170114764A1 (en) | 2012-02-13 | 2017-01-05 | Fuel injection valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012028816A JP5924764B2 (ja) | 2012-02-13 | 2012-02-13 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013164057A JP2013164057A (ja) | 2013-08-22 |
JP5924764B2 true JP5924764B2 (ja) | 2016-05-25 |
Family
ID=48983934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012028816A Active JP5924764B2 (ja) | 2012-02-13 | 2012-02-13 | 燃料噴射弁 |
Country Status (5)
Country | Link |
---|---|
US (2) | US20150001318A1 (ja) |
JP (1) | JP5924764B2 (ja) |
KR (1) | KR20140108602A (ja) |
DE (1) | DE112013000957T5 (ja) |
WO (1) | WO2013121806A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016208359A1 (ja) | 2015-06-25 | 2016-12-29 | 日立オートモティブシステムズ株式会社 | 流量制御弁及び高圧燃料供給ポンプ |
US20210207566A1 (en) * | 2016-03-25 | 2021-07-08 | Hitachi Automotive Systems, Ltd. | Fuel injection device |
DE112021002046T5 (de) * | 2020-03-31 | 2023-04-06 | Denso Corporation | Kraftstoffeinspritzventil |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5301874A (en) * | 1990-05-26 | 1994-04-12 | Robert Bosch Gmbh | Adjusting sleeve for an electromagnetically actuatable valve |
DE4109868A1 (de) * | 1991-03-26 | 1992-10-01 | Bosch Gmbh Robert | Einstellbuchse fuer ein elektromagnetisch betaetigbares ventil und verfahren zur herstellung |
US5692723A (en) * | 1995-06-06 | 1997-12-02 | Sagem-Lucas, Inc. | Electromagnetically actuated disc-type valve |
JP3791591B2 (ja) * | 2000-11-29 | 2006-06-28 | 株式会社デンソー | 燃料噴射弁とそのスプリング力調整用のアジャストパイプ及びその圧入方法 |
DE10109411A1 (de) * | 2001-02-28 | 2002-09-05 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
US6601785B2 (en) * | 2001-06-01 | 2003-08-05 | Siemens Automotive Corporation | Self-locking spring stop for fuel injector calibration |
JP3933513B2 (ja) * | 2002-04-23 | 2007-06-20 | 株式会社日立製作所 | 燃料噴射弁 |
JP3999769B2 (ja) * | 2004-06-29 | 2007-10-31 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP4324880B2 (ja) * | 2005-08-31 | 2009-09-02 | 株式会社デンソー | 燃料噴射弁 |
-
2012
- 2012-02-13 JP JP2012028816A patent/JP5924764B2/ja active Active
-
2013
- 2013-01-08 DE DE112013000957.9T patent/DE112013000957T5/de active Pending
- 2013-01-08 KR KR1020147023674A patent/KR20140108602A/ko not_active Application Discontinuation
- 2013-01-08 US US14/377,572 patent/US20150001318A1/en not_active Abandoned
- 2013-01-08 WO PCT/JP2013/050053 patent/WO2013121806A1/ja active Application Filing
-
2017
- 2017-01-05 US US15/399,501 patent/US20170114764A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20170114764A1 (en) | 2017-04-27 |
US20150001318A1 (en) | 2015-01-01 |
KR20140108602A (ko) | 2014-09-11 |
DE112013000957T5 (de) | 2014-12-24 |
WO2013121806A1 (ja) | 2013-08-22 |
JP2013164057A (ja) | 2013-08-22 |
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