JP5982704B2 - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP5982704B2 JP5982704B2 JP2012217534A JP2012217534A JP5982704B2 JP 5982704 B2 JP5982704 B2 JP 5982704B2 JP 2012217534 A JP2012217534 A JP 2012217534A JP 2012217534 A JP2012217534 A JP 2012217534A JP 5982704 B2 JP5982704 B2 JP 5982704B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel
- valve body
- fuel passage
- 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.)
- Expired - Fee Related
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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
- F02M51/0671—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
2・・・・・ノズル部材
3・・・・・弁ハウジング
5・・・・・固定コア
7・・・・・弁座
9・・・・・ノズル孔
10・・・・弁組立体
12・・・・可動コア
13・・・・弁体
14・・・・連杆
22・・・・コイル
33・・・・戻しスプリング
49・・・・中央燃料通路
51a・・・後側凹部
51b・・・前側凹部
52a・・・後部切欠き
52b・・・前部切欠き
53a・・・ガイド突起
53b・・・ガイド突起
55・・・・燃料室
56・・・・内側燃料通路
57・・・・外側燃料通路
Claims (3)
- 弁座(7)及びノズル孔(9)を有するノズル部材(2)と,このノズル部材(2)の後端に連設される筒状の弁ハウジング(3)と,前記弁ハウジング(3)内に収容され,前記弁座(7)と協働して前記ノズル孔(9)を開閉する弁体(13),この弁体(13)の後端に連結される連杆(14),並びにこの連杆(14)の後端に連結される可動コア(12)よりなる弁組立体(10)と,前端の吸引面(5a)を前記可動コア(12)に対向させる固定コア(5)と,前記固定コア(5)及び前記弁組立体(10)間に縮設されて前記弁体(13)を閉弁方向へ付勢する戻しスプリング(33)と,前記固定コア(5)を囲繞するように配設され,通電時,発生磁力により前記可動コア(12)を前記固定コア(5)に吸引させて前記弁体(13)を開弁させるコイル(22)とを備えてなり,前記固定コア(5)及び可動コア(12)の中心部に燃料供給部に連通する中央燃料通路(49)を設け,また前記連杆(14)及び前記弁ハウジング(3)間に,前記中央燃料通路(49)に連通する燃料室(55)を画成し,前記弁体(13)及び前記弁ハウジング(3)間に,前記弁体(13)の開弁時,前記燃料室(55)を前記ノズル孔(9)に連通する外側燃料通路(57)を設けた燃料噴射弁において,
前記連杆(14)の後端部に,前記中央燃料通路(49)に開口する後側凹部(51a)と,この後側凹部(51a)を前記燃料室(55)に開放する後部切欠き(52a)とを設け,また前記弁体(13)を中空円筒状に形成してその内側に,該弁体(13)の開弁時に前記ノズル孔(9)と連通する内側燃料通路(56)を設け,前記連杆(14)の前端部に,前記内側燃料通路(56)に開口する前側凹部(51b)と,この前側凹部(51b)を前記燃料室(55)に開放する前部切欠き(52b)とを設けたことを特徴とする燃料噴射弁。 - 請求項1記載の燃料噴射弁において,
前記後部及び前部切欠き(52a,52b)の各深さを,対応する前記後側及び前側凹部(51a,51b)の深さと同等もしくはそれよりも深く設定したことを特徴とする燃料噴射弁。 - 請求項2記載の燃料噴射弁において,
前記後側及び前側凹部(51a,51b)の各底面に円錐状のガイド突起(53a,53b)を形成したことを特徴とする燃料噴射弁。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012217534A JP5982704B2 (ja) | 2012-09-28 | 2012-09-28 | 燃料噴射弁 |
DE112013004777.2T DE112013004777T5 (de) | 2012-09-28 | 2013-09-06 | Kraftstoffeinspritzventil |
PCT/JP2013/074083 WO2014050506A1 (ja) | 2012-09-28 | 2013-09-06 | 燃料噴射弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012217534A JP5982704B2 (ja) | 2012-09-28 | 2012-09-28 | 燃料噴射弁 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014070575A JP2014070575A (ja) | 2014-04-21 |
JP2014070575A5 JP2014070575A5 (ja) | 2015-12-17 |
JP5982704B2 true JP5982704B2 (ja) | 2016-08-31 |
Family
ID=50387914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012217534A Expired - Fee Related JP5982704B2 (ja) | 2012-09-28 | 2012-09-28 | 燃料噴射弁 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5982704B2 (ja) |
DE (1) | DE112013004777T5 (ja) |
WO (1) | WO2014050506A1 (ja) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01190961A (ja) * | 1988-01-26 | 1989-08-01 | Hitachi Ltd | 電磁式燃料噴射器 |
JP2006125202A (ja) * | 2004-10-26 | 2006-05-18 | Toyota Motor Corp | 筒内直噴内燃機関用の燃料噴射弁 |
JP4509920B2 (ja) * | 2005-12-07 | 2010-07-21 | 愛三工業株式会社 | 燃料噴射弁 |
WO2007090228A1 (en) * | 2006-02-06 | 2007-08-16 | Orbital Australia Pty Limited | Fuel injection apparatus |
JP2009013917A (ja) * | 2007-07-06 | 2009-01-22 | Bosch Corp | 燃料噴射弁 |
JP2011157955A (ja) * | 2010-01-07 | 2011-08-18 | Denso Corp | エアブラストインジェクタ |
JP5661397B2 (ja) * | 2010-09-22 | 2015-01-28 | 株式会社ケーヒン | ガス燃料用噴射弁及びその製造方法 |
JP5618751B2 (ja) * | 2010-10-08 | 2014-11-05 | 株式会社ケーヒン | ガス燃料用噴射弁 |
-
2012
- 2012-09-28 JP JP2012217534A patent/JP5982704B2/ja not_active Expired - Fee Related
-
2013
- 2013-09-06 WO PCT/JP2013/074083 patent/WO2014050506A1/ja active Application Filing
- 2013-09-06 DE DE112013004777.2T patent/DE112013004777T5/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2014070575A (ja) | 2014-04-21 |
DE112013004777T5 (de) | 2015-06-18 |
WO2014050506A1 (ja) | 2014-04-03 |
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