JP6175475B2 - 電磁式燃料噴射弁 - Google Patents
電磁式燃料噴射弁 Download PDFInfo
- Publication number
- JP6175475B2 JP6175475B2 JP2015227443A JP2015227443A JP6175475B2 JP 6175475 B2 JP6175475 B2 JP 6175475B2 JP 2015227443 A JP2015227443 A JP 2015227443A JP 2015227443 A JP2015227443 A JP 2015227443A JP 6175475 B2 JP6175475 B2 JP 6175475B2
- Authority
- JP
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- Prior art keywords
- valve
- movable core
- stopper
- core
- 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.)
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- 239000000446 fuel Substances 0.000 title claims description 66
- 238000002347 injection Methods 0.000 title claims description 24
- 239000007924 injection Substances 0.000 title claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000004044 response Effects 0.000 description 11
- 230000007423 decrease Effects 0.000 description 6
- 230000004043 responsiveness Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- 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
-
- 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
- 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
-
- 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
- F02M51/0685—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 and the valve being allowed to move relatively to each other or not being attached to each other
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
- F02M63/0075—Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
- F02M63/0077—Valve seat details
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)
Description
9・・・弁ハウジング
14・・・固定コア
27・・・弁座
32・・・コイル
37・・・吸引面
40・・・弁体
41・・・可動コア
42・・・弁部
43・・・ステム
48・・・開弁側ストッパ
49・・・閉弁側ストッパ
54・・・弁ばね
55・・・補助ばね
59,60・・・テーパ面
Claims (2)
- 一端部に弁座(27)を有する弁ハウジング(9)と、該弁ハウジング(9)の他端に連設される中空の固定コア(14)と、該固定コア(14)の外周に配設されるコイル(32)と、前記弁座(27)と協働する弁部(42)にステム(43)が連設されて成る弁体(40)と、前記固定コア(14)の吸引面(37)に対置されつつ前記ステム(43)に摺動可能に嵌装される可動コア(41)と、前記コイル(32)の通電時に前記吸引面(37)に吸引される前記可動コア(41)を当接させることで前記弁体(40)が開弁作動するようにして前記ステム(43)に固定される開弁側ストッパ(48)と、前記ステム(43)に沿う前記可動コア(41)のストロークを前記開弁側ストッパ(48)との間に限定するようにしつつ前記開弁側ストッパ(48)よりも前記弁座(27)側で前記ステム(43)に固定される閉弁側ストッパ(49)と、前記弁体(40)を閉弁方向に付勢する弁ばね(54)と、前記コイル(32)の非通電時に前記可動コア(41)を前記開弁側ストッパ(48)から離反させて前記閉弁側ストッパ(49)に当接させるばね力を発揮するようにして前記開弁側ストッパ(48)および前記可動コア(41)間に設けられる補助ばね(55)とを備える電磁式燃料噴射弁において、
前記閉弁側ストッパ(49)の前記可動コア(41)側端部は、その内周側に、前記可動コア(41)に向かうにつれて大径となるテーパ面(59)を有することを特徴とする電磁式燃料噴射弁。 - 前記開弁側ストッパ(48)の前記可動コア(41)側端部は、その内周側に、前記可動コア(41)に向かうにつれて大径となるテーパ面(60)を有す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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015227443A JP6175475B2 (ja) | 2015-11-20 | 2015-11-20 | 電磁式燃料噴射弁 |
CN201611001622.1A CN106894927B (zh) | 2015-11-20 | 2016-11-14 | 电磁式燃料喷射阀 |
US15/354,347 US10006428B2 (en) | 2015-11-20 | 2016-11-17 | Electromagnetic fuel injection valve |
DE102016222723.8A DE102016222723B4 (de) | 2015-11-20 | 2016-11-18 | Elektromagnetisches Brennstoffeinspritzventil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015227443A JP6175475B2 (ja) | 2015-11-20 | 2015-11-20 | 電磁式燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017096131A JP2017096131A (ja) | 2017-06-01 |
JP6175475B2 true JP6175475B2 (ja) | 2017-08-02 |
Family
ID=58694072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015227443A Active JP6175475B2 (ja) | 2015-11-20 | 2015-11-20 | 電磁式燃料噴射弁 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10006428B2 (ja) |
JP (1) | JP6175475B2 (ja) |
CN (1) | CN106894927B (ja) |
DE (1) | DE102016222723B4 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3260695B8 (en) * | 2016-06-24 | 2019-07-17 | CPT Group GmbH | Valve assembly for an injection valve and injection valve |
DE102017207270A1 (de) * | 2016-06-30 | 2018-01-04 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids |
CN109057998B (zh) * | 2018-09-21 | 2024-10-01 | 英嘉动力科技无锡有限公司 | 一种喷射器双运动副衔接结构 |
JP7338155B2 (ja) * | 2019-01-08 | 2023-09-05 | 株式会社デンソー | 燃料噴射弁 |
JP6788085B1 (ja) | 2019-09-20 | 2020-11-18 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP2021055616A (ja) * | 2019-09-30 | 2021-04-08 | 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 |
JP7482073B2 (ja) * | 2021-03-22 | 2024-05-13 | 日立Astemo株式会社 | 電磁式燃料噴射弁 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000265919A (ja) * | 1999-03-16 | 2000-09-26 | Bosch Automotive Systems Corp | 電磁式燃料噴射弁 |
DE19948238A1 (de) | 1999-10-07 | 2001-04-19 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10036811A1 (de) | 2000-07-28 | 2002-02-07 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10256948A1 (de) * | 2002-12-05 | 2004-06-24 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE10345967B4 (de) | 2003-10-02 | 2014-02-27 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP4168448B2 (ja) | 2004-07-08 | 2008-10-22 | 株式会社デンソー | 燃料噴射弁 |
JP4438760B2 (ja) | 2005-06-10 | 2010-03-24 | 株式会社デンソー | 燃料噴射弁 |
JP2010169041A (ja) * | 2009-01-23 | 2010-08-05 | Denso Corp | 燃料噴射弁 |
JP2011190798A (ja) * | 2010-02-17 | 2011-09-29 | Denso Corp | 燃料噴射弁 |
JP5822269B2 (ja) * | 2011-11-11 | 2015-11-24 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP5939667B2 (ja) * | 2012-02-24 | 2016-06-22 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP5924771B2 (ja) * | 2012-09-24 | 2016-05-25 | 株式会社ケーヒン | 燃料噴射弁 |
JP6035648B2 (ja) | 2012-11-05 | 2016-11-30 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
-
2015
- 2015-11-20 JP JP2015227443A patent/JP6175475B2/ja active Active
-
2016
- 2016-11-14 CN CN201611001622.1A patent/CN106894927B/zh active Active
- 2016-11-17 US US15/354,347 patent/US10006428B2/en active Active
- 2016-11-18 DE DE102016222723.8A patent/DE102016222723B4/de active Active
Also Published As
Publication number | Publication date |
---|---|
CN106894927A (zh) | 2017-06-27 |
CN106894927B (zh) | 2018-10-23 |
DE102016222723B4 (de) | 2019-04-25 |
DE102016222723A1 (de) | 2017-05-24 |
US10006428B2 (en) | 2018-06-26 |
US20170145974A1 (en) | 2017-05-25 |
JP2017096131A (ja) | 2017-06-01 |
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