JP4087817B2 - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP4087817B2 JP4087817B2 JP2004165707A JP2004165707A JP4087817B2 JP 4087817 B2 JP4087817 B2 JP 4087817B2 JP 2004165707 A JP2004165707 A JP 2004165707A JP 2004165707 A JP2004165707 A JP 2004165707A JP 4087817 B2 JP4087817 B2 JP 4087817B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- valve
- pressure
- valve body
- orifice
- 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
Links
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
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と同軸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、該シールプレートの上下面には前記オリフィスの周辺及び該シールプレート内周部と外周部の一部を残して座繰加工が施されており、前記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 |
PCT/JP2005/010527 WO2005119046A1 (ja) | 2004-06-03 | 2005-06-02 | 燃料噴射弁 |
CNA2005800181650A CN1969121A (zh) | 2004-06-03 | 2005-06-02 | 燃料喷射阀 |
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 JP2005344623A (ja) | 2005-12-15 |
JP4087817B2 true 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) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005344622A (ja) * | 2004-06-03 | 2005-12-15 | Bosch Corp | 燃料噴射弁 |
ATE479018T1 (de) * | 2006-06-15 | 2010-09-15 | Fiat Ricerche | Brennstoffeinspritzventil |
DE102007044355A1 (de) * | 2007-06-21 | 2008-12-24 | Robert Bosch Gmbh | Steuerventil für einen Kraftstoffinjektor sowie Kraftstoffinjektor |
JP4716142B2 (ja) * | 2008-09-16 | 2011-07-06 | 株式会社デンソー | 燃料噴射装置 |
JP6395218B2 (ja) * | 2014-12-23 | 2018-09-26 | 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 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH495504A (de) * | 1968-08-28 | 1970-08-31 | Sopromi Soc Proc Modern Inject | Brennstoff-Einspritzventil mit elektromagnetischer Betätigung |
AT378242B (de) * | 1981-07-31 | 1985-07-10 | Berchtold Max Prof | Kraftstoffeinspritzanlage fuer brennkraftmaschinen, insbesondere dieselmotoren |
JP3849067B2 (ja) * | 1995-03-30 | 2006-11-22 | ボッシュ株式会社 | 燃料噴射ポンプ |
JP3755143B2 (ja) * | 1996-11-21 | 2006-03-15 | 株式会社デンソー | 蓄圧式燃料噴射装置 |
JP3781061B2 (ja) * | 1995-12-21 | 2006-05-31 | 株式会社デンソー | 燃料噴射装置 |
DE19937677C2 (de) * | 1999-08-10 | 2003-06-26 | Siemens Ag | Einspritzventil mit verbesserter Dichtflächenanordnung |
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 |
JP2005344622A (ja) * | 2004-06-03 | 2005-12-15 | Bosch Corp | 燃料噴射弁 |
-
2004
- 2004-06-03 JP JP2004165707A patent/JP4087817B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-02 CN CNA2005800181650A patent/CN1969121A/zh active Pending
- 2005-06-02 WO PCT/JP2005/010527 patent/WO2005119046A1/ja not_active Application Discontinuation
- 2005-06-02 EP EP05748484A patent/EP1752653A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN1969121A (zh) | 2007-05-23 |
JP2005344623A (ja) | 2005-12-15 |
EP1752653A1 (en) | 2007-02-14 |
WO2005119046A1 (ja) | 2005-12-15 |
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