JP6546044B2 - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP6546044B2 JP6546044B2 JP2015174401A JP2015174401A JP6546044B2 JP 6546044 B2 JP6546044 B2 JP 6546044B2 JP 2015174401 A JP2015174401 A JP 2015174401A JP 2015174401 A JP2015174401 A JP 2015174401A JP 6546044 B2 JP6546044 B2 JP 6546044B2
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- Prior art keywords
- valve
- iron core
- fuel injection
- peripheral surface
- movable
- 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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- 239000000446 fuel Substances 0.000 title claims description 99
- 238000002347 injection Methods 0.000 title claims description 60
- 239000007924 injection Substances 0.000 title claims description 60
- 230000002093 peripheral effect Effects 0.000 claims description 87
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 81
- 238000011144 upstream manufacturing Methods 0.000 description 14
- 230000004048 modification Effects 0.000 description 12
- 238000012986 modification Methods 0.000 description 12
- 238000003466 welding Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000004043 responsiveness Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 230000001012 protector Effects 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
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- Fuel-Injection Apparatus (AREA)
Description
すなわち内周面5eは、可動鉄心27aを囲繞して可動子27の開閉弁方向の移動を案内する案内面を構成する。特に内周面5eは、可動鉄心27aの外周面27acが摺接する上流側ガイド面を構成する。上流側ガイド面5eと可動鉄心27aの外周面27acとは、可動子27の変位を案内する上流側ガイド部50Bを構成する。
Claims (3)
- 協働して燃料通路を開閉する弁座及び弁体と、
前記弁体が一端部に設けられ他端部に可動鉄心が設けられた可動子と、を備え、
前記可動鉄心は、外周面に、径方向外側に向けて凸形状を成し、前記可動子の中心軸線方向に湾曲した曲面を有し、
前記曲面は、前記可動鉄心の外周面を囲繞して前記可動子の開閉弁方向の移動を案内する案内面に当接するように構成されると共に、前記可動鉄心の高さ方向における上端部から下端部まで一定の曲率で形成され、
前記曲面の最大径となる位置は、前記可動鉄心の高さ方向における中央よりも前記可動鉄心の上端面側に位置する燃料噴射弁。 - 請求項1に記載の燃料噴射弁において、
前記曲面は、前記可動鉄心の外周面の上端部から下端部までの全領域に形成されていることを特徴とする燃料噴射弁。 - 請求項1に記載の燃料噴射弁において、
前記曲面は、前記可動鉄心の高さ方向において、前記可動鉄心の外周面の一部の範囲に帯状に形成されていることを特徴とする燃料噴射弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015174401A JP6546044B2 (ja) | 2015-09-04 | 2015-09-04 | 燃料噴射弁 |
Applications Claiming Priority (1)
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JP2015174401A JP6546044B2 (ja) | 2015-09-04 | 2015-09-04 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017048764A JP2017048764A (ja) | 2017-03-09 |
JP6546044B2 true JP6546044B2 (ja) | 2019-07-17 |
Family
ID=58279275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015174401A Active JP6546044B2 (ja) | 2015-09-04 | 2015-09-04 | 燃料噴射弁 |
Country Status (1)
Country | Link |
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JP (1) | JP6546044B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6827535B2 (ja) * | 2017-05-23 | 2021-02-10 | 三菱電機株式会社 | インジェクタ |
JP7338155B2 (ja) * | 2019-01-08 | 2023-09-05 | 株式会社デンソー | 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 |
CN117425773A (zh) * | 2021-05-31 | 2024-01-19 | 日立安斯泰莫株式会社 | 电磁式燃料喷射阀 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6218371U (ja) * | 1985-07-18 | 1987-02-03 | ||
JP3664896B2 (ja) * | 1998-11-12 | 2005-06-29 | 愛三工業株式会社 | 電磁式燃料噴射弁 |
JP2007278303A (ja) * | 2007-07-27 | 2007-10-25 | Hitachi Ltd | 燃料噴射弁 |
JP4935882B2 (ja) * | 2009-03-05 | 2012-05-23 | 株式会社デンソー | 燃料噴射弁 |
JP2014066177A (ja) * | 2012-09-26 | 2014-04-17 | Hitachi Automotive Systems Ltd | 燃料噴射弁 |
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2015
- 2015-09-04 JP JP2015174401A patent/JP6546044B2/ja active Active
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JP2017048764A (ja) | 2017-03-09 |
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