JP2019019780A - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP2019019780A JP2019019780A JP2017140092A JP2017140092A JP2019019780A JP 2019019780 A JP2019019780 A JP 2019019780A JP 2017140092 A JP2017140092 A JP 2017140092A JP 2017140092 A JP2017140092 A JP 2017140092A JP 2019019780 A JP2019019780 A JP 2019019780A
- Authority
- JP
- Japan
- Prior art keywords
- needle
- fuel
- movable core
- injection valve
- 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.)
- Pending
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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
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
-
- 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
- F02M51/0682—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 body being hollow and its interior communicating with the fuel flow
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8084—Fuel injection apparatus manufacture, repair or assembly involving welding or soldering
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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
100:ハウジング
141:噴孔
200:ニードル
223:溝
250:開口
300:可動コア
320:貫通穴
500:コイル
FR:摺動部
Claims (7)
- 燃料噴射弁(10)であって、
燃料を噴射するための噴孔(141)が形成されたハウジング(100)と、
前記ハウジングの内部において移動することにより、前記噴孔の開閉を切り換えるニードル(200)と、
磁気吸引力を受けて前記ニードルと共に移動する可動コア(300)と、
前記磁気吸引力を発生させるコイル(500)と、を備え、
前記ニードル及び前記可動コアは互いに分離されており、
前記可動コアと前記ニードルとの間で摺動が生じる部分を摺動部(FR)としたときに、
前記可動コア及び前記ニードルが共に移動しているときに、前記摺動部において燃料の流れが生じるよう、
前記可動コア及び前記ニードルのうち少なくとも一方には、前記摺動部に燃料を供給するための供給部(250,320,223)が形成されている燃料噴射弁。 - 前記供給部は、前記可動コアの一部を貫くように形成された貫通穴(320)である、請求項1に記載の燃料噴射弁。
- 前記供給部は、前記前記ニードルの一部を貫くように形成された貫通穴(250)である、請求項1に記載の燃料噴射弁。
- 前記ニードルには、前記可動コアから力を受けるためのフランジ(220)が形成されており、
前記供給部は、前記可動コアと前記フランジとが当接する部分に形成された溝(223)である、請求項1に記載の燃料噴射弁。 - 前記供給部は、前記ニードルの周方向に沿って並ぶように複数形成されている、請求項1乃至4のうちいずれか1項に記載の燃料噴射弁。
- それぞれの前記供給部の燃料から前記ニードルが受ける力、が釣り合うように、複数の前記供給部が配置されている、請求項5に記載の燃料噴射弁。
- 前記燃料として気体燃料が用いられる、請求項1乃至6のうちいずれか1項に記載の燃料噴射弁。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017140092A JP2019019780A (ja) | 2017-07-19 | 2017-07-19 | 燃料噴射弁 |
DE112018003718.5T DE112018003718T5 (de) | 2017-07-19 | 2018-06-05 | Kraftstoffeinspritzventil |
PCT/JP2018/021489 WO2019017097A1 (ja) | 2017-07-19 | 2018-06-05 | 燃料噴射弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017140092A JP2019019780A (ja) | 2017-07-19 | 2017-07-19 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019019780A true JP2019019780A (ja) | 2019-02-07 |
JP2019019780A5 JP2019019780A5 (ja) | 2019-10-24 |
Family
ID=65015223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017140092A Pending JP2019019780A (ja) | 2017-07-19 | 2017-07-19 | 燃料噴射弁 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2019019780A (ja) |
DE (1) | DE112018003718T5 (ja) |
WO (1) | WO2019017097A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022078392A (ja) * | 2020-11-11 | 2022-05-25 | 株式会社アンクレス | 情報提供装置、情報提供方法、及びプログラム |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09273451A (ja) * | 1996-04-05 | 1997-10-21 | Keehin:Kk | 気体燃料噴射弁 |
JP2011163242A (ja) * | 2010-02-11 | 2011-08-25 | Denso Corp | 燃料噴射弁 |
JP2012102696A (ja) * | 2010-11-12 | 2012-05-31 | Denso Corp | 燃料噴射装置 |
JP2013100756A (ja) * | 2011-11-08 | 2013-05-23 | Denso Corp | 燃料噴射弁 |
JP2014080964A (ja) * | 2012-09-26 | 2014-05-08 | Denso Corp | 燃料噴射弁 |
JP2015218664A (ja) * | 2014-05-19 | 2015-12-07 | 株式会社デンソー | 燃料噴射弁 |
JP2016065539A (ja) * | 2014-09-17 | 2016-04-28 | 株式会社デンソー | 燃料噴射弁 |
-
2017
- 2017-07-19 JP JP2017140092A patent/JP2019019780A/ja active Pending
-
2018
- 2018-06-05 DE DE112018003718.5T patent/DE112018003718T5/de not_active Ceased
- 2018-06-05 WO PCT/JP2018/021489 patent/WO2019017097A1/ja active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09273451A (ja) * | 1996-04-05 | 1997-10-21 | Keehin:Kk | 気体燃料噴射弁 |
JP2011163242A (ja) * | 2010-02-11 | 2011-08-25 | Denso Corp | 燃料噴射弁 |
JP2012102696A (ja) * | 2010-11-12 | 2012-05-31 | Denso Corp | 燃料噴射装置 |
JP2013100756A (ja) * | 2011-11-08 | 2013-05-23 | Denso Corp | 燃料噴射弁 |
JP2014080964A (ja) * | 2012-09-26 | 2014-05-08 | Denso Corp | 燃料噴射弁 |
JP2015218664A (ja) * | 2014-05-19 | 2015-12-07 | 株式会社デンソー | 燃料噴射弁 |
JP2016065539A (ja) * | 2014-09-17 | 2016-04-28 | 株式会社デンソー | 燃料噴射弁 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022078392A (ja) * | 2020-11-11 | 2022-05-25 | 株式会社アンクレス | 情報提供装置、情報提供方法、及びプログラム |
Also Published As
Publication number | Publication date |
---|---|
DE112018003718T5 (de) | 2020-04-02 |
WO2019017097A1 (ja) | 2019-01-24 |
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