JP5939667B2 - 電磁式燃料噴射弁 - Google Patents
電磁式燃料噴射弁 Download PDFInfo
- Publication number
- JP5939667B2 JP5939667B2 JP2012039039A JP2012039039A JP5939667B2 JP 5939667 B2 JP5939667 B2 JP 5939667B2 JP 2012039039 A JP2012039039 A JP 2012039039A JP 2012039039 A JP2012039039 A JP 2012039039A JP 5939667 B2 JP5939667 B2 JP 5939667B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- movable core
- magnetic
- core
- forming portion
- 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 70
- 238000002347 injection Methods 0.000 title claims description 16
- 239000007924 injection Substances 0.000 title claims description 16
- 230000002093 peripheral effect Effects 0.000 description 13
- 230000004907 flux Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011800 void material 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- 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
- F02M2200/08—Fuel-injection apparatus having special means for influencing magnetic flux, e.g. for shielding or guiding magnetic flux
Description
V・・・・・弁組立体
f・・・・・磁束
2・・・・・弁ハウジング
3・・・・・弁座部材
4・・・・・磁性円筒体
5・・・・・固定コア
5a・・・・固定コアの吸引面
6・・・・・非磁性円筒体
7・・・・・弁孔
12・・・・可動コア
12a・・・磁路形成部
12b・・・燃料通路形成部
12c・・・弁杆連結部
13・・・・弁杆
14・・・・弁体
18・・・・凹面
19・・・・固定コアの中空部
20・・・・燃料通孔
22・・・・弁ばね
24・・・・ばね座
30・・・・コイル
31・・・・コイルハウジング
Claims (1)
- 前端部に弁孔(7)を有し、その後方に磁性円筒体(4)、非磁性円筒体(6)、中空の固定コア(5)及び燃料入口筒(9)を順次連ねてなり内部を燃料流路とする弁ハウジング(2)と、前記固定コア(5)の外周に配設されるコイル(30)と、このコイル(30)を収容すると共に、前記磁性円筒体(4)及び固定コア(5)間を磁気的に接続するコイルハウジング(31)と、前記磁性円筒体(4)内に軸方向移動可能に収容されて前記固定コア(5)前端の環状の吸引面(5a)に対向させる可動コア(12)と、前記可動コア(12)に連結されて該可動コア(12)の中心部に配置される弁杆(13)と、前記弁杆(13)に連結されて前記弁孔(7)を開閉する弁体(14)と、前記可動コア(12)を付勢する弁ばね(22)とを備え、前記可動コア(12)は、前記固定コア(5)の吸引面(5a)及び前記磁性円筒体(4)の内周面に対向する環状の磁路形成部(12a)と、前記磁路形成部(12a)及び前記弁杆(13)間の半径方向中間部である環状の燃料流路形成部(12b)とを有しており、前記コイル(30)の通電に伴ない前記固定コア(5)及び可動コア(12)間に発生する磁気吸引力により前記弁体(14)を開弁するようにした電磁式燃料噴射弁において、
前記磁路形成部(12a)の前面に、截頭円錐面に構成されて前方に向かって拡径する漏斗状の凹面(18)を形成し、前記燃料流路形成部(12b)の後端面に前記弁ばね(22)のばね座(24)を凹設し、該ばね座(24)と前記燃料流路形成部(12b)の前面側の部分とを連通させる複数の燃料通孔(20)を、前記燃料流路形成部(12b)に形成したことを特徴とする電磁式燃料噴射弁。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012039039A JP5939667B2 (ja) | 2012-02-24 | 2012-02-24 | 電磁式燃料噴射弁 |
CN201310042609.0A CN103291514B (zh) | 2012-02-24 | 2013-02-04 | 电磁式燃料喷射阀 |
DE102013202965.9A DE102013202965B4 (de) | 2012-02-24 | 2013-02-22 | Elektromagnetisches Kraftstoff-Einspritzventil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012039039A JP5939667B2 (ja) | 2012-02-24 | 2012-02-24 | 電磁式燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013174172A JP2013174172A (ja) | 2013-09-05 |
JP5939667B2 true JP5939667B2 (ja) | 2016-06-22 |
Family
ID=48951007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012039039A Active JP5939667B2 (ja) | 2012-02-24 | 2012-02-24 | 電磁式燃料噴射弁 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5939667B2 (ja) |
CN (1) | CN103291514B (ja) |
DE (1) | DE102013202965B4 (ja) |
Families Citing this family (5)
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 |
JP6175475B2 (ja) * | 2015-11-20 | 2017-08-02 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP6888133B1 (ja) * | 2020-02-06 | 2021-06-16 | 日立Astemo株式会社 | 電磁式燃料噴射弁 |
DE112021002046T5 (de) * | 2020-03-31 | 2023-04-06 | Denso Corporation | Kraftstoffeinspritzventil |
US11486343B2 (en) * | 2021-03-22 | 2022-11-01 | Hitachi Astemo, Ltd. | Electromagnetic fuel injection valve |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0656140B2 (ja) * | 1984-12-26 | 1994-07-27 | 日本電装株式会社 | 電磁式燃料噴射弁 |
JPH11132127A (ja) * | 1996-11-13 | 1999-05-18 | Denso Corp | 燃料噴射弁及びその組立方法 |
DE19816315A1 (de) | 1998-04-11 | 1999-10-14 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE19855547A1 (de) * | 1998-12-02 | 2000-06-08 | Bosch Gmbh Robert | Elektromagnetisch betätigbares Ventil |
DE10004961B4 (de) * | 2000-02-04 | 2013-08-22 | Robert Bosch Gmbh | Brennstoffeinspritzventil und Verfahren zu dessen Betrieb |
DE10038293A1 (de) * | 2000-08-05 | 2002-02-14 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10108974A1 (de) | 2001-02-24 | 2002-09-05 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
JP3811461B2 (ja) * | 2003-03-24 | 2006-08-23 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP2006097659A (ja) * | 2004-09-30 | 2006-04-13 | Nippon Soken Inc | 燃料噴射弁 |
EP1707797B1 (en) * | 2005-03-14 | 2007-08-22 | C.R.F. Società Consortile per Azioni | Adjustable metering servovalve for a fuel injector |
US8002206B2 (en) * | 2006-12-29 | 2011-08-23 | Caterpillar Inc. | Avoidance of spark damage on valve members |
JP4483940B2 (ja) * | 2007-12-21 | 2010-06-16 | 株式会社デンソー | 燃料噴射弁 |
US20100018503A1 (en) * | 2008-07-22 | 2010-01-28 | Perry Robert B | Upper guide system for solenoid actuated fuel injectors |
US7866301B2 (en) * | 2009-01-26 | 2011-01-11 | Caterpillar Inc. | Self-guided armature in single pole solenoid actuator assembly and fuel injector using same |
JP5152024B2 (ja) * | 2009-02-04 | 2013-02-27 | 株式会社デンソー | 燃料噴射弁 |
EP2336544A1 (en) * | 2009-12-14 | 2011-06-22 | Delphi Technologies, Inc. | Anti-bounce mechanism for fuel injectors |
JP5537472B2 (ja) * | 2011-03-10 | 2014-07-02 | 日立オートモティブシステムズ株式会社 | 燃料噴射装置 |
-
2012
- 2012-02-24 JP JP2012039039A patent/JP5939667B2/ja active Active
-
2013
- 2013-02-04 CN CN201310042609.0A patent/CN103291514B/zh active Active
- 2013-02-22 DE DE102013202965.9A patent/DE102013202965B4/de active Active
Also Published As
Publication number | Publication date |
---|---|
DE102013202965A1 (de) | 2013-08-29 |
CN103291514A (zh) | 2013-09-11 |
CN103291514B (zh) | 2016-01-20 |
DE102013202965B4 (de) | 2019-01-03 |
JP2013174172A (ja) | 2013-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9297471B2 (en) | Solenoid valve | |
EP2570648B1 (en) | Electromagnetic fuel-injection valve | |
JP5939667B2 (ja) | 電磁式燃料噴射弁 | |
WO2011121839A1 (ja) | 電磁式燃料噴射弁及びその製造方法 | |
JP2011241701A5 (ja) | ||
JP3819906B2 (ja) | 電磁式燃料噴射弁およびその製造方法 | |
JP5819213B2 (ja) | 電磁式燃料噴射弁 | |
JP5363228B2 (ja) | 電磁式燃料噴射弁 | |
JP5939669B2 (ja) | 電磁式燃料噴射弁 | |
JP2014062525A (ja) | 燃料噴射弁 | |
JP2010031674A (ja) | 電磁式燃料噴射弁 | |
JP2008057430A (ja) | 電磁式燃料噴射弁 | |
JP4767795B2 (ja) | 電磁式燃料噴射弁 | |
JP2004308703A (ja) | 電磁式燃料噴射弁 | |
JP2004285922A (ja) | 電磁式燃料噴射弁 | |
JP2008223535A (ja) | 電磁式燃料噴射弁 | |
JP6069759B2 (ja) | 電磁式燃料噴射弁 | |
JP4134937B2 (ja) | 燃料噴射弁 | |
JP2006258074A (ja) | 燃料噴射弁 | |
JP2004076700A (ja) | 電磁式燃料噴射弁 | |
JP6035647B2 (ja) | 燃料噴射弁 | |
JP6337391B2 (ja) | 電磁式燃料噴射弁 | |
JP2010223154A (ja) | ピントル型電磁式燃料噴射弁 | |
JP2005307750A (ja) | 燃料噴射弁 | |
JP2006077728A (ja) | 電磁式燃料噴射弁 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20141201 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20151028 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20151105 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20151222 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160420 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160513 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5939667 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |