EP0779949A1 - Kraftstoffeinspritzeinrichtung für brennkraftmaschinen - Google Patents
Kraftstoffeinspritzeinrichtung für brennkraftmaschinenInfo
- Publication number
- EP0779949A1 EP0779949A1 EP96901744A EP96901744A EP0779949A1 EP 0779949 A1 EP0779949 A1 EP 0779949A1 EP 96901744 A EP96901744 A EP 96901744A EP 96901744 A EP96901744 A EP 96901744A EP 0779949 A1 EP0779949 A1 EP 0779949A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- pressure
- valve member
- space
- line
- 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
-
- 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
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
- F02M61/182—Discharge orifices being situated in different transversal planes with respect to valve member direction of movement
-
- 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
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/12—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship providing a continuous cyclic delivery with variable 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
- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/06—Other fuel injectors peculiar thereto
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/042—The valves being provided with fuel passages
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/042—The valves being provided with fuel passages
- F02M61/045—The valves being provided with fuel discharge orifices
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/08—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/161—Means for adjusting injection-valve lift
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
- F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
-
- 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
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
Definitions
- a variable stroke control of the valve member in particular a persistence of the valve member 17 in the position which only opens the lower spray hole row, is achieved by a defined filling of the adjustment space 71, for which purpose this hydraulic volume is completely filled for a minimum stroke via the fuel line 73 and for a maximum stroke via the Control valve 79 is emptied accordingly, intermediate positions also being possible by suitably filling the adjustment space 71.
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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19504849A DE19504849A1 (de) | 1995-02-15 | 1995-02-15 | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
DE19504849 | 1995-02-15 | ||
PCT/EP1996/000230 WO1996025596A1 (de) | 1995-02-15 | 1996-01-19 | Kraftstoffeinspritzeinrichtung für brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0779949A1 true EP0779949A1 (de) | 1997-06-25 |
EP0779949B1 EP0779949B1 (de) | 2000-08-09 |
Family
ID=7753900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96901744A Expired - Lifetime EP0779949B1 (de) | 1995-02-15 | 1996-01-19 | Kraftstoffeinspritzeinrichtung für brennkraftmaschinen |
Country Status (7)
Country | Link |
---|---|
US (1) | US5823161A (de) |
EP (1) | EP0779949B1 (de) |
JP (1) | JPH09512616A (de) |
KR (1) | KR970702428A (de) |
CN (1) | CN1062331C (de) |
DE (2) | DE19504849A1 (de) |
WO (1) | WO1996025596A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007053156A1 (de) | 2007-11-08 | 2009-05-20 | Man Diesel Se | Kraftstoffeinspritzeinrichtung |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19618698A1 (de) * | 1996-05-09 | 1997-11-13 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE19620521A1 (de) * | 1996-05-22 | 1997-11-27 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE19634105A1 (de) * | 1996-08-23 | 1998-01-15 | Daimler Benz Ag | Einspritzventil für Verbrennungskraftmaschinen |
DE19642653C5 (de) * | 1996-10-16 | 2008-02-21 | Daimler Ag | Verfahren zur Bildung eines zündfähigen Kraftstoff/Luft-Gemisches |
DE19654091A1 (de) * | 1996-12-23 | 1998-06-25 | Orange Gmbh | Einspritzdüse mit in Strömungsrichtung öffnendem Einspritzventil |
JPH10184495A (ja) * | 1996-12-24 | 1998-07-14 | Zexel Corp | 可変噴孔型燃料噴射ノズルによる燃料噴射制御方法 |
DE19812170A1 (de) * | 1998-03-19 | 1999-09-23 | Daimler Chrysler Ag | Kraftstoffeinspritzanlage für eine mehrzylindrige Brennkraftmaschine |
DE19812010C1 (de) * | 1998-03-19 | 1999-09-30 | Mtu Friedrichshafen Gmbh | Kraftstoffeinspritzventil für eine Brennkraftmaschine |
DE19837813A1 (de) * | 1998-08-20 | 2000-02-24 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE60015218T2 (de) * | 1999-04-01 | 2006-02-16 | Delphi Technologies, Inc., Troy | Brennstoffeinspritzventil |
DE19916965A1 (de) * | 1999-04-15 | 2000-11-16 | Daimler Chrysler Ag | Einspritzsystem |
FR2798506B1 (fr) * | 1999-09-15 | 2001-11-09 | Schneider Electric Ind Sa | Actionneur electromagnetique muni de deux ressorts de rappel |
DE19946906A1 (de) * | 1999-09-30 | 2001-04-05 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE19947196A1 (de) * | 1999-10-01 | 2001-04-05 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
DE10000575A1 (de) * | 2000-01-10 | 2001-07-19 | Bosch Gmbh Robert | Einspritzdüse |
GB0000863D0 (en) | 2000-01-15 | 2000-03-08 | Delphi Diesel Systems Ltd | Fuel injector |
DE50107401D1 (de) * | 2000-02-07 | 2005-10-20 | Bosch Gmbh Robert | Einspritzdüse |
DE10012552A1 (de) * | 2000-03-15 | 2001-09-27 | Bosch Gmbh Robert | Einspritzeinrichtung mit einem Aktor zur Nadelhubsteuerung |
DE10019153A1 (de) * | 2000-04-18 | 2001-10-25 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE10049519B4 (de) * | 2000-10-06 | 2006-01-12 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE10157886B4 (de) * | 2000-11-27 | 2009-12-17 | DENSO CORPORATION, Kariya-shi | Kraftstoffeinspritzeinheit eines Verbrennungsmotors |
DE10111293B4 (de) * | 2001-03-09 | 2008-11-20 | Robert Bosch Gmbh | Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen |
DE10123995A1 (de) * | 2001-05-17 | 2002-11-21 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
JP4013912B2 (ja) * | 2004-03-29 | 2007-11-28 | トヨタ自動車株式会社 | 燃料噴射弁 |
US20060196974A1 (en) * | 2005-03-01 | 2006-09-07 | Caterpillar Inc. | Fuel injector having a gradually restricted drain passageway |
DE602005003964T2 (de) * | 2005-11-02 | 2008-05-08 | Delphi Technologies, Inc., Troy | Verfahren zur Auslegung eines Kraftstoffeinspritzventils |
US7730876B2 (en) * | 2006-03-30 | 2010-06-08 | Volvo Lastvagnar Ab | Fuel injection system |
CN101592108B (zh) * | 2009-04-24 | 2012-05-23 | 靳北彪 | 发动机用阀头外位移燃油喷射器 |
KR101144482B1 (ko) * | 2010-10-06 | 2012-05-11 | (주)제너진 | 엔진의 직분사 인젝터 |
DE102012012420A1 (de) * | 2012-06-25 | 2014-01-02 | L'orange Gmbh | Injektor und Kraftstoffeinspritzeinrichtung mit einem solchen |
WO2015183278A1 (en) * | 2014-05-29 | 2015-12-03 | Cummins Inc. | High-pressure pump for a fuel injection system of an internal combustion engine |
CN104343507B (zh) * | 2014-10-29 | 2017-07-14 | 凯龙高科技股份有限公司 | 一种液力驱动式喷射装置 |
CN104595078A (zh) * | 2014-11-26 | 2015-05-06 | 中国北方发动机研究所(天津) | 一种电控喷油器 |
CN106438148A (zh) * | 2016-11-28 | 2017-02-22 | 哈尔滨工程大学 | 一种用于反作动式喷气阀的气体喷嘴 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3719459A1 (de) * | 1987-06-11 | 1988-12-29 | Bosch Gmbh Robert | Kraftstoff-einspritzduese fuer brennkraftmaschinen |
US4905908A (en) * | 1988-10-17 | 1990-03-06 | General Motors Corporation | Poppet covered orifice fuel injection nozzle |
AT407428B (de) * | 1989-04-12 | 2001-03-26 | Avl Verbrennungskraft Messtech | Hydraulisch betätigbares ventil mit steuerbarem hub |
DE4325904C2 (de) * | 1993-08-02 | 1995-07-20 | Daimler Benz Ag | Für eine Dieselbrennkraftmaschine vorgesehene Kraftstoffeinspritzanlage mit einer den Kraftstoff fördernden Hochdruckpumpe in eine gemeinsame Versorgungsleitung (Common-Rail) für alle Einspritzdüsen |
DE4340305C2 (de) * | 1993-11-26 | 1998-02-19 | Daimler Benz Ag | Kraftstoffeinspritzdüse für eine Brennkraftmaschine |
-
1995
- 1995-02-15 DE DE19504849A patent/DE19504849A1/de not_active Withdrawn
-
1996
- 1996-01-19 US US08/722,200 patent/US5823161A/en not_active Expired - Fee Related
- 1996-01-19 CN CN96190061A patent/CN1062331C/zh not_active Expired - Fee Related
- 1996-01-19 DE DE59605715T patent/DE59605715D1/de not_active Expired - Fee Related
- 1996-01-19 JP JP8524601A patent/JPH09512616A/ja not_active Abandoned
- 1996-01-19 EP EP96901744A patent/EP0779949B1/de not_active Expired - Lifetime
- 1996-01-19 WO PCT/EP1996/000230 patent/WO1996025596A1/de active IP Right Grant
- 1996-01-19 KR KR1019960705746A patent/KR970702428A/ko active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9625596A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007053156A1 (de) | 2007-11-08 | 2009-05-20 | Man Diesel Se | Kraftstoffeinspritzeinrichtung |
Also Published As
Publication number | Publication date |
---|---|
WO1996025596A1 (de) | 1996-08-22 |
CN1062331C (zh) | 2001-02-21 |
JPH09512616A (ja) | 1997-12-16 |
DE19504849A1 (de) | 1996-08-22 |
US5823161A (en) | 1998-10-20 |
KR970702428A (ko) | 1997-05-13 |
CN1145652A (zh) | 1997-03-19 |
DE59605715D1 (de) | 2000-09-14 |
EP0779949B1 (de) | 2000-08-09 |
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