JP2005344623A - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP2005344623A JP2005344623A JP2004165707A JP2004165707A JP2005344623A JP 2005344623 A JP2005344623 A JP 2005344623A JP 2004165707 A JP2004165707 A JP 2004165707A JP 2004165707 A JP2004165707 A JP 2004165707A JP 2005344623 A JP2005344623 A JP 2005344623A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel
- valve body
- pressure
- injector
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 83
- 238000002347 injection Methods 0.000 title claims abstract description 42
- 239000007924 injection Substances 0.000 title claims abstract description 42
- 239000000243 solution Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007779 soft material 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
- F02M2547/003—Valve inserts containing control chamber and valve piston
-
- 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
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
-
- 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
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
-
- 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
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0043—Two-way valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
【解決手段】 バルブピストン35を摺動可能に挿入したバルブボディ36がインジェクタハウジング32内に設けられて成り、バルブピストン35の一端を臨ませているバルブボディ36内の制御圧室364内に高圧燃料をインジェクタハウジング32より送るように構成された燃料噴射弁30において、インジェクタハウジング32内にインジェクタ軸に整列するように設けられた環状段部321Aに、制御圧室364が形成され環状段部321Aに対応したバルブボディ36の太径部361を、インジェクタ軸に平行なオリフィス501が設けられているシールプレート50を介して着座させ、インジェクタハウジング32側から供給される高圧燃料がオリフィス501を介して太径部361内に設けられた油路を通って制御圧室364内に送られるようにした。
【選択図】 図2
Description
32 インジェクタハウジング
33 ノズルボディ
33A 燃料溜まり室
34 ノズルニードル
34A 受圧部
35 バルブピストン
35A 頂部
36 バルブボディ
37 背圧制御部
38 インレットコネクタ
38A 燃料通路
39 ノズルナット
40 締付ナット
41 高圧燃料供給室
42 通路
50 シールプレート
321 バルブボディ収容室
321A 環状段部
321Aa 上面
351 後端部
361 太径部
361A 環状突部
361Aa 下面
362 細径部
363 摺動穴
364 制御圧室
365 開閉用オリフィス
501 オリフィス
Claims (1)
- バルブピストンを摺動可能に挿入したバルブボディがインジェクタハウジング内に設けられて成り、前記バルブピストンの一端を臨ませているバルブボディ内の制御圧室内に高圧燃料を前記インジェクタハウジングより送るように構成された燃料噴射弁において、前記インジェクタハウジング内にインジェクタ軸に整列するように設けられた環状段部に、前記制御圧室が形成され前記環状段部に対応した前記バルブボディの太径部が、前記インジェクタ軸に平行なオリフィスが設けられているシールプレートを介して着座せしめられており、インジェクタハウジング側から供給される高圧燃料が前記オリフィスを介して前記太径部内に設けられた油路を通って前記制御圧室内に送られるようになっていることを特徴とする燃料噴射弁。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004165707A JP4087817B2 (ja) | 2004-06-03 | 2004-06-03 | 燃料噴射弁 |
CNA2005800181650A CN1969121A (zh) | 2004-06-03 | 2005-06-02 | 燃料喷射阀 |
PCT/JP2005/010527 WO2005119046A1 (ja) | 2004-06-03 | 2005-06-02 | 燃料噴射弁 |
EP05748484A EP1752653A1 (en) | 2004-06-03 | 2005-06-02 | Fuel injection valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004165707A JP4087817B2 (ja) | 2004-06-03 | 2004-06-03 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005344623A true JP2005344623A (ja) | 2005-12-15 |
JP4087817B2 JP4087817B2 (ja) | 2008-05-21 |
Family
ID=35462968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004165707A Expired - Fee Related JP4087817B2 (ja) | 2004-06-03 | 2004-06-03 | 燃料噴射弁 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1752653A1 (ja) |
JP (1) | JP4087817B2 (ja) |
CN (1) | CN1969121A (ja) |
WO (1) | WO2005119046A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005344622A (ja) * | 2004-06-03 | 2005-12-15 | Bosch Corp | 燃料噴射弁 |
KR100956310B1 (ko) * | 2006-06-15 | 2010-05-10 | 씨.알.에프. 쏘시에타 컨서틸 퍼 아지오니 | 내연 기관용 연료 분사 장치 및 그 제조 방법 |
CN101680413B (zh) * | 2007-06-21 | 2012-10-10 | 罗伯特·博世有限公司 | 用于燃料喷射阀的控制阀 |
JP2016118187A (ja) * | 2014-12-23 | 2016-06-30 | ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 燃料噴射システムに組み込まれるコンポーネント、及び、燃料噴射システム |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4716142B2 (ja) * | 2008-09-16 | 2011-07-06 | 株式会社デンソー | 燃料噴射装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3610529A (en) * | 1968-08-28 | 1971-10-05 | Sopromi Soc Proc Modern Inject | Electromagnetic fuel injection spray valve |
US4566416A (en) * | 1981-07-31 | 1986-01-28 | Stanadyne, Inc. | Accumulator nozzle fuel injection system |
JPH10153154A (ja) * | 1996-11-21 | 1998-06-09 | Denso Corp | 蓄圧式燃料噴射装置 |
DE19937677A1 (de) * | 1999-08-10 | 2001-02-22 | Siemens Ag | Einspritzventil mit verbesserter Dichtflächenanordnung |
JP2005344622A (ja) * | 2004-06-03 | 2005-12-15 | Bosch Corp | 燃料噴射弁 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3849067B2 (ja) * | 1995-03-30 | 2006-11-22 | ボッシュ株式会社 | 燃料噴射ポンプ |
JP3781061B2 (ja) * | 1995-12-21 | 2006-05-31 | 株式会社デンソー | 燃料噴射装置 |
DE10102233A1 (de) * | 2001-01-19 | 2002-07-25 | Bosch Gmbh Robert | Kraftstoffhochdrucksystem für Brennkraftmaschinen |
JP3567374B2 (ja) | 2001-07-16 | 2004-09-22 | 株式会社ボッシュオートモーティブシステム | 燃料噴射弁のシール構造 |
JP3864328B2 (ja) * | 2001-11-02 | 2006-12-27 | ボッシュ株式会社 | 燃料噴射弁の燃料通路シール構造 |
-
2004
- 2004-06-03 JP JP2004165707A patent/JP4087817B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-02 WO PCT/JP2005/010527 patent/WO2005119046A1/ja not_active Application Discontinuation
- 2005-06-02 CN CNA2005800181650A patent/CN1969121A/zh active Pending
- 2005-06-02 EP EP05748484A patent/EP1752653A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3610529A (en) * | 1968-08-28 | 1971-10-05 | Sopromi Soc Proc Modern Inject | Electromagnetic fuel injection spray valve |
US4566416A (en) * | 1981-07-31 | 1986-01-28 | Stanadyne, Inc. | Accumulator nozzle fuel injection system |
JPH10153154A (ja) * | 1996-11-21 | 1998-06-09 | Denso Corp | 蓄圧式燃料噴射装置 |
DE19937677A1 (de) * | 1999-08-10 | 2001-02-22 | Siemens Ag | Einspritzventil mit verbesserter Dichtflächenanordnung |
JP2005344622A (ja) * | 2004-06-03 | 2005-12-15 | Bosch Corp | 燃料噴射弁 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005344622A (ja) * | 2004-06-03 | 2005-12-15 | Bosch Corp | 燃料噴射弁 |
KR100956310B1 (ko) * | 2006-06-15 | 2010-05-10 | 씨.알.에프. 쏘시에타 컨서틸 퍼 아지오니 | 내연 기관용 연료 분사 장치 및 그 제조 방법 |
CN101680413B (zh) * | 2007-06-21 | 2012-10-10 | 罗伯特·博世有限公司 | 用于燃料喷射阀的控制阀 |
JP2016118187A (ja) * | 2014-12-23 | 2016-06-30 | ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 燃料噴射システムに組み込まれるコンポーネント、及び、燃料噴射システム |
Also Published As
Publication number | Publication date |
---|---|
JP4087817B2 (ja) | 2008-05-21 |
WO2005119046A1 (ja) | 2005-12-15 |
EP1752653A1 (en) | 2007-02-14 |
CN1969121A (zh) | 2007-05-23 |
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