JP2000507327A - 内燃機関のための燃料噴射装置 - Google Patents
内燃機関のための燃料噴射装置Info
- Publication number
- JP2000507327A JP2000507327A JP10533489A JP53348998A JP2000507327A JP 2000507327 A JP2000507327 A JP 2000507327A JP 10533489 A JP10533489 A JP 10533489A JP 53348998 A JP53348998 A JP 53348998A JP 2000507327 A JP2000507327 A JP 2000507327A
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- pressure
- fuel injection
- injection device
- valve
- 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
Classifications
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- 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
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0005—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using valves actuated by fluid pressure
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- 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
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel 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
- 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
- F02M63/0028—Valves characterised by the valve actuating means hydraulic
- F02M63/0029—Valves characterised by the valve actuating means hydraulic using a pilot valve controlling a hydraulic chamber
-
- 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
- F02M63/0045—Three-way valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 内燃機関のための燃料噴射装置であって、高圧ポンプ(1)によって燃料を 充填可能な共通の高圧集合室(7)が設けられており、該高圧集合室が、噴射管 路(9)を介して噴射弁(11)に接続されており、噴射弁の開閉運動がその都 度、噴射弁(11)に配置された電気的に制御された制御弁(13)によって制 御されるようになっており、該制御弁(13)が3ポート2位置方向切換弁とし て形成されており、この制御弁には、2つのシール面(41,47)を有する制 御弁部材(25)が設けられており、該制御弁部材が、噴射弁(11)の噴射開 口に開口する高圧通路(29)を、噴射管路(9)または放圧管路(33)に接 続するようになっている形式のものにおいて、 制御弁部材(25)が、作業室(51)内に形成された圧力によって、戻し 力に抗して操作可能であり、作業室(51)内の圧力が、コンスタントな流入流 と制御された流出流とによって制御可能であることを特徴とする、内燃機関のた めの燃料噴射装置。 2. 作業室(51)が、燃料高圧を充填可能なハイドロリック的な作業室(51 )として、3ポート2位置方向切換弁(13)の制御弁部材(25)に形成 されており、作業室が制御弁部材(25)を、該制御弁部材に作用するハイドロ リック的な開放力に抗して、噴射管路(9)と高圧通路(29)との間の流過横 断面を閉鎖する方向に負荷するようになっていて、開制御されて放圧室(59) に連通可能である、請求項1記載の燃料噴射装置。 3. ハイドロリック的な作業室(51)が、ピストン形の制御弁部材(25)の 上側の端面(53)によって仕切られていて、絞り横断面(69,71)を介し て常に噴射管路(9)と、作業室(51)から引き出された閉鎖可能な放圧通路 (57)とに接続されており、該放圧通路の横断面が、噴射管路(9)に通じる 絞りの横断面よりも大きく形成されており、放圧通路が電気的な調節弁(35) によって開閉制御可能である、請求項2記載の燃料噴射装置。 4. 電気的な調節弁(35)が電磁弁として形成されており、該電磁弁の調節部 材が弁球体(61)として形成されており、該弁球体が、放圧通路(57)と境 を接する弁座と協働する、請求項3記載の燃料噴射装置。 5. 噴射管路(9)に通じる絞り横断面が、制御弁部材(25)に設けられた絞 り孔(69)によって形成されている、請求項3記載の燃料噴射装置。 6. 3ポート2位置方向切換弁(13)がダブルシート弁として形成されており 、該ダブルシート弁に、 噴射管路(9)と高圧通路(29)との間の通流を制御する第1のシール座(4 1,43)と、高圧通路(29)と放圧管路(33)との間の通流を制御する第 2のシール座(47,49)とが設けられており、両弁座面(43,49)が互 いに向き合って配置されていて、制御弁部材(25)の各調節運動を1つの行程 方向で制限している、請求項1記載の燃料噴射装置。 7. 作業室(51)と噴射管路(9)との間の絞り横断面が、ピストン状の制御 弁部材(25)の周面と、該制御弁部材を案内するシリンダ孔(23)の壁との 間の環状ギャップ(71)として形成されている、請求項3記載の燃料噴射装置 。 8. ピストン形の制御弁部材(25)が一体的に形成されている、請求項1記載 の燃料噴射装置。 9. 制御弁部材(25)に、環状端面(39)が、噴射管路(9)と重なる領域 に設けられており、制御弁部材(25)の前記環状端面に、燃料高圧が、ハイド ロリック的な作業室(51)の調節方向とは反対方向で作用している、請求項3 記載の燃料噴射装置。 10.制御弁部材(25)に、第2のシール座(47,49)と放圧管路(33) との間の通流開口が設けられている、請求項6記載の燃料噴射装置。 11.前記通流開口が、放圧管路(23,33)に開口 する袋孔(81)として形成されており、該袋孔内に横方向孔(83)が開口し ている、請求項10記載の燃料噴射装置。 12.前記通流開口が面切削部(85)として制御弁部材(25)に形成されてお り、該面切削部が、噴射管路(9)と高圧通路(29)との間の移行横断面が閉 鎖された後初めて開制御されるようになっている、請求項10記載の燃料噴射装 置。 13.第1のシール座(43)と第2のシール座(49)との間に、行程制御され る絞り(89,91)が設けられており、該絞りが、噴射管路(9)から高圧通 路(29)に流過する燃料高圧量を、噴射過程の第1の段階で絞るように成って いる、請求項6記載の燃料噴射装置。 14.制御弁(13)によって開制御可能な放圧管路(33)に、絞り個所(10 7)が挿入されている、請求項1記載の燃料噴射装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19701879A DE19701879A1 (de) | 1997-01-21 | 1997-01-21 | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
DE19701879.3 | 1997-01-21 | ||
PCT/DE1997/002053 WO1998031933A1 (de) | 1997-01-21 | 1997-09-13 | Kraftstoffeinspritzeinrichtung für brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000507327A true JP2000507327A (ja) | 2000-06-13 |
JP3980069B2 JP3980069B2 (ja) | 2007-09-19 |
Family
ID=7817871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53348998A Expired - Lifetime JP3980069B2 (ja) | 1997-01-21 | 1997-09-13 | 内燃機関のための燃料噴射装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6431148B1 (ja) |
EP (1) | EP0898650B1 (ja) |
JP (1) | JP3980069B2 (ja) |
DE (2) | DE19701879A1 (ja) |
WO (1) | WO1998031933A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003511625A (ja) * | 1999-10-14 | 2003-03-25 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 内燃機関用の燃料噴射システムの、アクチュエータが液力式に増力せしめられるインゼクタのための複切り替え式の制御弁 |
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---|---|---|---|---|
DE2759255A1 (de) * | 1977-12-31 | 1979-07-12 | Bosch Gmbh Robert | Kraftstoffeinspritzventil fuer brennkraftmaschinen |
DE2759187A1 (de) | 1977-12-31 | 1979-07-12 | Bosch Gmbh Robert | Kraftstoffeinspritzanlage mit mindestens einem kraftstoffeinspritzventil, insbesondere fuer grossmotoren |
DE4341543A1 (de) | 1993-12-07 | 1995-06-08 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
IT1261149B (it) * | 1993-12-30 | 1996-05-09 | Elasis Sistema Ricerca Fiat | Valvola di dosaggio per il comando dell'otturatore di un iniettore di combustibile |
DE19512270A1 (de) * | 1995-04-01 | 1996-09-26 | Mtu Friedrichshafen Gmbh | Kraftstoffeinspritzanlage für Brennkraftmaschine |
AT1626U1 (de) * | 1995-04-05 | 1997-08-25 | Avl Verbrennungskraft Messtech | Speichereinspritzsystem für brennkraftmaschinen |
AT408134B (de) * | 1995-06-06 | 2001-09-25 | Avl Verbrennungskraft Messtech | Speichereinspritzsystem für dieselbrennkraftmaschinen |
GB9616521D0 (en) | 1996-08-06 | 1996-09-25 | Lucas Ind Plc | Injector |
FI101739B1 (fi) | 1996-08-16 | 1998-08-14 | Waertsila Nsd Oy Ab | Ruiskutusventtiilijärjestely |
DE19706467C1 (de) | 1997-02-19 | 1998-03-26 | Daimler Benz Ag | Speichereinspritzsystem für eine mehrzylindrige Brennkraftmaschine |
DE19744723A1 (de) | 1997-10-10 | 1999-04-15 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung |
IT1296143B1 (it) | 1997-11-18 | 1999-06-09 | Elasis Sistema Ricerca Fiat | Dispositivo di comando di un iniettore di combustibile per motori a combustione interna. |
-
1997
- 1997-01-21 DE DE19701879A patent/DE19701879A1/de not_active Withdrawn
- 1997-09-13 DE DE59712768T patent/DE59712768D1/de not_active Expired - Lifetime
- 1997-09-13 US US09/155,113 patent/US6431148B1/en not_active Expired - Lifetime
- 1997-09-13 WO PCT/DE1997/002053 patent/WO1998031933A1/de active IP Right Grant
- 1997-09-13 EP EP97943768A patent/EP0898650B1/de not_active Expired - Lifetime
- 1997-09-13 JP JP53348998A patent/JP3980069B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003511625A (ja) * | 1999-10-14 | 2003-03-25 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 内燃機関用の燃料噴射システムの、アクチュエータが液力式に増力せしめられるインゼクタのための複切り替え式の制御弁 |
Also Published As
Publication number | Publication date |
---|---|
EP0898650B1 (de) | 2006-11-22 |
EP0898650A1 (de) | 1999-03-03 |
US6431148B1 (en) | 2002-08-13 |
DE59712768D1 (de) | 2007-01-04 |
WO1998031933A1 (de) | 1998-07-23 |
JP3980069B2 (ja) | 2007-09-19 |
DE19701879A1 (de) | 1998-07-23 |
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