JP6773927B1 - 電磁式燃料噴射弁 - Google Patents
電磁式燃料噴射弁 Download PDFInfo
- Publication number
- JP6773927B1 JP6773927B1 JP2020009613A JP2020009613A JP6773927B1 JP 6773927 B1 JP6773927 B1 JP 6773927B1 JP 2020009613 A JP2020009613 A JP 2020009613A JP 2020009613 A JP2020009613 A JP 2020009613A JP 6773927 B1 JP6773927 B1 JP 6773927B1
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fixed core
- core
- movable core
- 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.)
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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
Abstract
Description
V・・・・・弁部材としての弁組立体
2・・・・・弁ケーシング
5・・・・・固定コア
5f・・・・固定コアの端面としての前端面
5fo・・・凹部
8・・・・・弁座
12・・・・可動コア
14・・・・弁体
30・・・・コイル
37・・・・非磁性部材としてのストッパ部材
37a・・・ストッパ面
Claims (2)
- 一端部に弁座(8)を有する弁ケーシング(2)と、前記弁ケーシング(2)の他端に連設される中空の固定コア(5)と、前記固定コア(5)の外周に配設されて該固定コア(5)に磁気吸引力を生じさせ得るコイル(30)と、前記固定コア(5)の端面(5f)に対向する可動コア(12)、及び該可動コア(12)と連動し且つ前記弁座(8)と協働する弁体(14)を有した弁部材(V)とを備え、前記可動コア(12)には、前記固定コア(5)の前記端面(5f)と当接するストッパ面(37a)が設けられる電磁式燃料噴射弁において、
前記ストッパ面(37a)は、前記可動コア(12)の前記固定コア(5)との対向面の径方向内端寄りに環状に配置されていて、横断面が該固定コア(5)に向かって凸に彎曲した曲面で構成され、
前記固定コア(5)の前記端面(5f)は、該端面(5f)の径方向内方から外方側に向かうにつれて前記可動コア(12)から徐々に離れるテーパ面状に形成され、且つ該端面(5f)の前記ストッパ面(37a)との対向面に、周方向に間隔をおいて放射状に形成される複数の凹部(5fo)を有することを特徴とする、電磁式燃料噴射弁。 - 前記ストッパ面(37a)は、前記可動コア(12)に取付けられて前記固定コア(5)の前記端面(5f)に対向する非磁性部材(37)にて形成されることを特徴とする、請求項1に記載の電磁式燃料噴射弁。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020009613A JP6773927B1 (ja) | 2020-01-24 | 2020-01-24 | 電磁式燃料噴射弁 |
CN202110086958.7A CN113175402B (zh) | 2020-01-24 | 2021-01-22 | 电磁式燃料喷射阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020009613A JP6773927B1 (ja) | 2020-01-24 | 2020-01-24 | 電磁式燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6773927B1 true JP6773927B1 (ja) | 2020-10-21 |
JP2021116717A JP2021116717A (ja) | 2021-08-10 |
Family
ID=72830780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020009613A Active JP6773927B1 (ja) | 2020-01-24 | 2020-01-24 | 電磁式燃料噴射弁 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6773927B1 (ja) |
CN (1) | CN113175402B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023223565A1 (ja) * | 2022-05-20 | 2023-11-23 | 日立Astemo株式会社 | 電磁式燃料噴射弁 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004285923A (ja) * | 2003-03-24 | 2004-10-14 | Keihin Corp | 電磁式燃料噴射弁 |
JP2005240732A (ja) * | 2004-02-27 | 2005-09-08 | Keihin Corp | 電磁式燃料噴射弁およびその製造方法 |
WO2018083795A1 (ja) * | 2016-11-07 | 2018-05-11 | 三菱電機株式会社 | 燃料噴射弁 |
JP2018159294A (ja) * | 2017-03-22 | 2018-10-11 | 株式会社ケーヒン | 燃料噴射弁 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3811461B2 (ja) * | 2003-03-24 | 2006-08-23 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP5513191B2 (ja) * | 2010-03-19 | 2014-06-04 | 株式会社ケーヒン | 筒内噴射式燃料噴射弁への燃料供給装置 |
JP2011208530A (ja) * | 2010-03-29 | 2011-10-20 | Keihin Corp | 電磁式燃料噴射弁及びその製造方法 |
JP5623784B2 (ja) * | 2010-05-14 | 2014-11-12 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP6873991B2 (ja) * | 2016-06-21 | 2021-05-19 | Ckd株式会社 | 流体制御弁、及び流体制御弁製造方法 |
-
2020
- 2020-01-24 JP JP2020009613A patent/JP6773927B1/ja active Active
-
2021
- 2021-01-22 CN CN202110086958.7A patent/CN113175402B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004285923A (ja) * | 2003-03-24 | 2004-10-14 | Keihin Corp | 電磁式燃料噴射弁 |
JP2005240732A (ja) * | 2004-02-27 | 2005-09-08 | Keihin Corp | 電磁式燃料噴射弁およびその製造方法 |
WO2018083795A1 (ja) * | 2016-11-07 | 2018-05-11 | 三菱電機株式会社 | 燃料噴射弁 |
JP2018159294A (ja) * | 2017-03-22 | 2018-10-11 | 株式会社ケーヒン | 燃料噴射弁 |
Also Published As
Publication number | Publication date |
---|---|
CN113175402A (zh) | 2021-07-27 |
CN113175402B (zh) | 2023-02-17 |
JP2021116717A (ja) | 2021-08-10 |
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