JP5822269B2 - 電磁式燃料噴射弁 - Google Patents
電磁式燃料噴射弁 Download PDFInfo
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- JP5822269B2 JP5822269B2 JP2011248016A JP2011248016A JP5822269B2 JP 5822269 B2 JP5822269 B2 JP 5822269B2 JP 2011248016 A JP2011248016 A JP 2011248016A JP 2011248016 A JP2011248016 A JP 2011248016A JP 5822269 B2 JP5822269 B2 JP 5822269B2
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- Prior art keywords
- valve
- core
- movable core
- fixed core
- sliding member
- 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
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- 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
- F16K31/0686—Braking, pressure equilibration, shock absorbing
- F16K31/0696—Shock absorbing, e.g. using a dash-pot
-
- 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
- F02M51/0675—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 the valve body having cylindrical guiding or metering portions, e.g. with fuel passages
-
- 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
- F16K31/0686—Braking, pressure equilibration, shock absorbing
- F16K31/0689—Braking of the valve element
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Magnetically Actuated Valves (AREA)
Description
s・・・・・・可動コアの摺動ストローク
2・・・・・・弁ハウジング
6・・・・・・固定コア
6a・・・・・固定コアの吸引面
6b・・・・・固定コアの中空部
8・・・・・・弁座
15・・・・・弁体
15a・・・・弁部
15b・・・・ステム
16・・・・・可動コア
19・・・・・ガイドブッシュ(第2ガイドブッシュ)
20・・・・・摺動部材
22・・・・・ストッパ部材
28・・・・・嵌合凹部
33・・・・・弁ばね
34・・・・・補助ばね
37・・・・・コイル
g・・・・・・エアギャップ
Claims (3)
- 一端に弁座(8)を有する弁ハウジング(2)と、この弁ハウジング(2)の他端に連設される中空の固定コア(6)と、固定コア(6)の吸引面(6a)に対置される可動コア(16)と、前記固定コア(6)の外周に配設されるコイル(37)と、前記弁座(8)と協働する弁体(15)と、前記弁体(15)を閉弁方向に付勢する弁ばね(33)とを備え、前記コイル(37)の通電により前記固定コア(6)が前記可動コア(16)を吸引することで前記弁体(15)が開弁される電磁式燃料噴射弁において、
前記固定コア(6)の内周に嵌合凹部(28)を設け、該嵌合凹部(28)に前記固定コア(6)より高硬度であり且つ非磁性もしくは弱磁性材料で構成されるガイドブッシュ(19)を固設すると共に、該ガイドブッシュ(19)の前端を前記固定コア(6)の吸引面(6a)より突出させ、
前記弁体(15)を、前記弁座(8)と協働する弁部(15a)と、この弁部(15a)に連設されて前記ガイドブッシュ(19)に向かって延びるステム(15b)とで構成し、このステム(15b)に、前記ガイドブッシュ(19)の内周面に摺動自在に嵌合する摺動部材(20)と、前記固定コア(6)及び前記弁部(15a)間に配置されるストッパ部材(22)とを固設し、
前記可動コア(16)を、これが前記摺動部材(20)及びストッパ部材(22)間で限られたストローク(s)を移動し得るように前記ステム(15b)に摺動自在に嵌装し、
前記コイル(37)の通電時には、前記固定コア(6)に吸引される前記可動コア(16)が前記摺動部材(20)を介して弁体(15)を開弁させると共に、その可動コア(16)が前記固定コア(6)との間にエアギャップ(g)を形成しつつ前記ガイドブッシュ(19)の前端に当接して前記弁体(15)の開弁限界を規制し、
前記コイル(37)の非通電時には、前記弁ばね(33)の付勢力で前記弁体(15)が閉弁されると共に、前記可動コア(16)が前記ストッパ部材(22)と当接することを特徴とする電磁式燃料噴射弁。 - 請求項1記載の電磁式燃料噴射弁において、
前記固定コア(6)内に、前記摺動部材(20)を介して前記弁体(15)を閉弁方向に付勢する前記弁ばね(33)を配設し、また前記摺動部材(20)及び可動コア(16)間に、前記弁ばね(33)のセット荷重より小さいセット荷重で前記摺動部材(20)及び可動コア(16)を離反方向に付勢する補助ばね(34)を介装したことを特徴とする電磁式燃料噴射弁。 - 請求項2記載の電磁式燃料噴射弁において、
前記摺動部材(20)を、前記ガイドブッシュ(19)の内周面に摺動自在に嵌合するフランジ部(20a)と、このフランジ部(20a)の前端面より突出する軸部(20b)とで構成し、そのフランジ部(20a)の前端面と前記可動コア(16)との間に前記補助ばね(34)を介装すると共に、その補助ばね(34)内に前記軸部(20b)を配置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 |
---|---|---|---|
JP2011248016A JP5822269B2 (ja) | 2011-11-11 | 2011-11-11 | 電磁式燃料噴射弁 |
CN201210442398.5A CN103104389B (zh) | 2011-11-11 | 2012-11-08 | 电磁式燃料喷射阀 |
DE102012220477.6A DE102012220477B4 (de) | 2011-11-11 | 2012-11-09 | Elektromagnetisches Kraftstoffeinspritzventil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011248016A JP5822269B2 (ja) | 2011-11-11 | 2011-11-11 | 電磁式燃料噴射弁 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013104340A JP2013104340A (ja) | 2013-05-30 |
JP2013104340A5 JP2013104340A5 (ja) | 2013-09-26 |
JP5822269B2 true JP5822269B2 (ja) | 2015-11-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011248016A Active JP5822269B2 (ja) | 2011-11-11 | 2011-11-11 | 電磁式燃料噴射弁 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5822269B2 (ja) |
CN (1) | CN103104389B (ja) |
DE (1) | DE102012220477B4 (ja) |
Families Citing this family (33)
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DE102013222596A1 (de) * | 2013-11-07 | 2015-05-07 | Robert Bosch Gmbh | Ventil zum Zumessen von Fluid |
DE102013223458A1 (de) | 2013-11-18 | 2015-05-21 | Robert Bosch Gmbh | Ventil zum Zumessen von Fluid |
JP6167993B2 (ja) * | 2014-05-28 | 2017-07-26 | 株式会社デンソー | 燃料噴射弁 |
JP6167992B2 (ja) * | 2014-05-28 | 2017-07-26 | 株式会社デンソー | 燃料噴射弁及びその製造方法 |
JP6511925B2 (ja) | 2014-08-26 | 2019-05-15 | 株式会社デンソー | 燃料噴射弁 |
JP6187422B2 (ja) * | 2014-09-17 | 2017-08-30 | 株式会社デンソー | 燃料噴射弁 |
JP6345557B2 (ja) * | 2014-09-18 | 2018-06-20 | 日立オートモティブシステムズ株式会社 | 燃料噴射装置 |
DE102014220100B3 (de) * | 2014-10-02 | 2016-01-28 | Continental Automotive Gmbh | Kraftstoffeinspritzventil und Verfahren zum Herstellen eines solchen |
DE102014220877B3 (de) * | 2014-10-15 | 2015-12-03 | Continental Automotive Gmbh | Kraftstoffeinspritzventil |
JP6277941B2 (ja) * | 2014-11-05 | 2018-02-14 | 株式会社デンソー | 燃料噴射装置 |
DE102014224357A1 (de) * | 2014-11-28 | 2016-06-02 | Robert Bosch Gmbh | Gasinjektor mit verbesserten Kontaktflächen |
EP3061963B1 (en) | 2015-02-25 | 2018-06-13 | Continental Automotive GmbH | Valve assembly with a guide element |
JP2016166534A (ja) * | 2015-03-09 | 2016-09-15 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
JP6571410B2 (ja) * | 2015-06-29 | 2019-09-04 | 日立オートモティブシステムズ株式会社 | 電磁弁 |
JP6175475B2 (ja) * | 2015-11-20 | 2017-08-02 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
DE102015226181A1 (de) * | 2015-12-21 | 2017-06-22 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids |
JP6595701B2 (ja) * | 2016-03-25 | 2019-10-23 | 日立オートモティブシステムズ株式会社 | 燃料噴射装置 |
EP3260695B8 (en) | 2016-06-24 | 2019-07-17 | CPT Group GmbH | Valve assembly for an injection valve and injection valve |
JP6677194B2 (ja) | 2017-03-03 | 2020-04-08 | 株式会社デンソー | 燃料噴射弁 |
CN110651116B (zh) * | 2017-05-23 | 2021-12-24 | 三菱电机株式会社 | 喷射器 |
JP6708235B2 (ja) | 2017-09-29 | 2020-06-10 | 株式会社デンソー | 燃料噴射弁 |
JP6708236B2 (ja) | 2017-09-29 | 2020-06-10 | 株式会社デンソー | 燃料噴射弁 |
WO2019065412A1 (ja) | 2017-09-29 | 2019-04-04 | 株式会社デンソー | 燃料噴射弁 |
WO2019065408A1 (ja) * | 2017-09-29 | 2019-04-04 | 株式会社デンソー | 燃料噴射弁 |
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CN111971470B (zh) * | 2018-04-24 | 2022-03-04 | 日立安斯泰莫株式会社 | 电磁阀、高压泵以及发动机系统 |
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DE102019214259A1 (de) * | 2019-09-19 | 2021-03-25 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids |
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CN114458499B (zh) * | 2022-03-09 | 2022-10-28 | 哈尔滨工程大学 | 一种带有磁-力转换缓冲的永磁-电磁协同励磁高速电磁阀 |
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-
2011
- 2011-11-11 JP JP2011248016A patent/JP5822269B2/ja active Active
-
2012
- 2012-11-08 CN CN201210442398.5A patent/CN103104389B/zh active Active
- 2012-11-09 DE DE102012220477.6A patent/DE102012220477B4/de active Active
Also Published As
Publication number | Publication date |
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CN103104389A (zh) | 2013-05-15 |
JP2013104340A (ja) | 2013-05-30 |
DE102012220477A1 (de) | 2013-05-16 |
CN103104389B (zh) | 2016-06-29 |
DE102012220477B4 (de) | 2021-08-26 |
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