JP2022135698A - 電磁式燃料噴射弁 - Google Patents
電磁式燃料噴射弁 Download PDFInfo
- Publication number
- JP2022135698A JP2022135698A JP2021035662A JP2021035662A JP2022135698A JP 2022135698 A JP2022135698 A JP 2022135698A JP 2021035662 A JP2021035662 A JP 2021035662A JP 2021035662 A JP2021035662 A JP 2021035662A JP 2022135698 A JP2022135698 A JP 2022135698A
- Authority
- JP
- Japan
- Prior art keywords
- coil spring
- valve
- fixed core
- coil
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 44
- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 230000007423 decrease Effects 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000004043 responsiveness Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding 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
-
- 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
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)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
において,燃料噴射側を前方,燃料入口側を後方とする。
D・・・・コイルばねのコイル中心径D
Y・・・・コイルばねの軸線
2・・・・弁ハウジング
5・・・・固定コア
8・・・・弁座
12・・・可動コア
13・・・弁体
21・・・第1ばね座
22・・・第2ばね座
23・・・コイルばね
23a・・コイルばねの一端部
23b・・コイルばねの他端部
Claims (2)
- 一端部に弁座(8)を有する弁ハウジング(2)と,該弁ハウジング(2)の他端部に連設される中空円筒状の固定コア(5)と,前記弁座(8)と協働する弁体(13)と,前記弁ハウジング(2)内で前記弁体(13)と連結されて,前記固定コア(5)の吸引面に被吸引面を対向させる可動コア(12)と,前記固定コア(5)の外周に配設され,通電時,前記固定コア(5)に前記可動コア(12)に対する吸引力を発生させるコイルと,前記固定コア(5)及び前記可動コア(12)間に縮設されて,前記コイルの非通電時に,前記可動コア(12)を前記固定コア(5)から離反させて前記弁体(13)を閉弁させるように前記可動コア(12)を付勢するコイルばねとを備え,該コイルばねが前記固定コア(5)の中空部に配設されるように,該コイルばね(23)の一端部(23a)及び他端部(23b)をそれぞれ支承する第1ばね座(21)及び第2ばね座(22)が前記固定コア(5)及び前記可動コア(12)にそれぞれ設けられる,電磁式燃料噴射弁において,
前記コイルばね(23)は,そのコイル中心径(D)が該コイルばね(23)の両端部(23a,23b)からその中央部に向かって減少するように構成されることを特徴とする電磁式燃料噴射弁。 - 請求項1に記載の電磁式燃料噴射弁において,
前記コイルばね(23)の両端部(23a,23b)が,該コイルばね(23)の円周上互いに逆位相に配置されることを特徴とする電磁式燃料噴射弁。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021035662A JP2022135698A (ja) | 2021-03-05 | 2021-03-05 | 電磁式燃料噴射弁 |
CN202210141046.XA CN115095460A (zh) | 2021-03-05 | 2022-02-16 | 电磁式燃料喷射阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021035662A JP2022135698A (ja) | 2021-03-05 | 2021-03-05 | 電磁式燃料噴射弁 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2022135698A true JP2022135698A (ja) | 2022-09-15 |
Family
ID=83232041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021035662A Pending JP2022135698A (ja) | 2021-03-05 | 2021-03-05 | 電磁式燃料噴射弁 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2022135698A (ja) |
CN (1) | CN115095460A (ja) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5921475A (en) * | 1997-08-07 | 1999-07-13 | Ford Motor Company | Automotive fuel injector |
JP4325110B2 (ja) * | 2000-12-28 | 2009-09-02 | 株式会社デンソー | 圧電アクチュエータ装置と燃料噴射弁 |
JP4058026B2 (ja) * | 2004-06-16 | 2008-03-05 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP2014062524A (ja) * | 2012-09-24 | 2014-04-10 | Keihin Corp | 燃料噴射弁 |
DE102015204027A1 (de) * | 2015-03-06 | 2016-09-08 | Schaeffler Technologies AG & Co. KG | Fliehkraftpendeleinrichtung mit Druckfedern |
DE102016002385A1 (de) * | 2016-03-01 | 2017-09-07 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Lufttrocknerpatrone und Schraubenfeder für Lufttrocknerpatrone |
DE102016217923B3 (de) * | 2016-09-19 | 2018-02-08 | Continental Automotive Gmbh | Rückschlagventil, hochdruckführendes Bauteil und Kraftstoffhochdruckpumpe |
US20200370470A1 (en) * | 2017-03-30 | 2020-11-26 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Exhaust bypass device and turbocharger |
CA3072836C (en) * | 2017-08-24 | 2021-11-09 | Ressorts Liberte Inc. | Coil spring and method of fabrication thereof |
CN207728804U (zh) * | 2017-11-28 | 2018-08-14 | 采埃孚传动系统零部件(上海)有限公司 | 旋转角度更大的双质量飞轮减振弹簧 |
-
2021
- 2021-03-05 JP JP2021035662A patent/JP2022135698A/ja active Pending
-
2022
- 2022-02-16 CN CN202210141046.XA patent/CN115095460A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN115095460A (zh) | 2022-09-23 |
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