EP1961949A3 - Injecteur doté d'une servo-vanne supplémentaire - Google Patents
Injecteur doté d'une servo-vanne supplémentaire Download PDFInfo
- Publication number
- EP1961949A3 EP1961949A3 EP08100356A EP08100356A EP1961949A3 EP 1961949 A3 EP1961949 A3 EP 1961949A3 EP 08100356 A EP08100356 A EP 08100356A EP 08100356 A EP08100356 A EP 08100356A EP 1961949 A3 EP1961949 A3 EP 1961949A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- injector
- control chamber
- additional servo
- high pressure
- 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
- 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
- F02M47/02—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
- F02M47/025—Hydraulically 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
- 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
-
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007006939A DE102007006939A1 (de) | 2007-02-13 | 2007-02-13 | Injektor mit zusätzlichem Servoventil |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1961949A2 EP1961949A2 (fr) | 2008-08-27 |
EP1961949A3 true EP1961949A3 (fr) | 2008-09-17 |
EP1961949B1 EP1961949B1 (fr) | 2009-11-18 |
Family
ID=39472735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08100356A Not-in-force EP1961949B1 (fr) | 2007-02-13 | 2008-01-11 | Injecteur doté d'une servo-vanne supplémentaire |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1961949B1 (fr) |
AT (1) | ATE449250T1 (fr) |
DE (2) | DE102007006939A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015114716A1 (de) * | 2015-09-03 | 2017-03-09 | Denso Corporation | Kraftstoff-Injektor mit zwei Kraftstoffeinlässen |
DE102018208859A1 (de) * | 2018-06-06 | 2019-12-12 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Kraftstoffinjektors, Kraftstoffinjektor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2351773A (en) * | 1997-02-26 | 2001-01-10 | Caterpillar Inc | Hydraulically actuated i.c. engine fuel injector with solenoid-actuated control valve |
US20040000600A1 (en) * | 2002-06-28 | 2004-01-01 | Cummins Inc. | Needle controlled fuel injector with two control valves |
WO2004070198A1 (fr) * | 2003-02-10 | 2004-08-19 | Robert Bosch Gmbh | Systeme d'injection de carburant, notamment pour des moteurs a combustion interne a injection directe de carburant |
DE10333692B3 (de) * | 2003-07-24 | 2004-09-30 | Robert Bosch Gmbh | Kraftstoffeinspritzvorrichtung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19744723A1 (de) | 1997-10-10 | 1999-04-15 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung |
DE10207227A1 (de) | 2002-02-21 | 2003-09-04 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
EP1612403B1 (fr) | 2004-06-30 | 2007-01-10 | C.R.F. Società Consortile per Azioni | Soupape servo pour controller l'injecteur d'un moteur à combustion interne |
-
2007
- 2007-02-13 DE DE102007006939A patent/DE102007006939A1/de not_active Withdrawn
-
2008
- 2008-01-11 EP EP08100356A patent/EP1961949B1/fr not_active Not-in-force
- 2008-01-11 AT AT08100356T patent/ATE449250T1/de active
- 2008-01-11 DE DE502008000183T patent/DE502008000183D1/de active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2351773A (en) * | 1997-02-26 | 2001-01-10 | Caterpillar Inc | Hydraulically actuated i.c. engine fuel injector with solenoid-actuated control valve |
US20040000600A1 (en) * | 2002-06-28 | 2004-01-01 | Cummins Inc. | Needle controlled fuel injector with two control valves |
WO2004070198A1 (fr) * | 2003-02-10 | 2004-08-19 | Robert Bosch Gmbh | Systeme d'injection de carburant, notamment pour des moteurs a combustion interne a injection directe de carburant |
DE10333692B3 (de) * | 2003-07-24 | 2004-09-30 | Robert Bosch Gmbh | Kraftstoffeinspritzvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
EP1961949A2 (fr) | 2008-08-27 |
ATE449250T1 (de) | 2009-12-15 |
DE102007006939A1 (de) | 2008-08-14 |
EP1961949B1 (fr) | 2009-11-18 |
DE502008000183D1 (de) | 2009-12-31 |
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