EP1967727A3 - Fuel injector with improved implementation of a control valve for controlling an injection needle - Google Patents
Fuel injector with improved implementation of a control valve for controlling an injection needle Download PDFInfo
- Publication number
- EP1967727A3 EP1967727A3 EP08100932A EP08100932A EP1967727A3 EP 1967727 A3 EP1967727 A3 EP 1967727A3 EP 08100932 A EP08100932 A EP 08100932A EP 08100932 A EP08100932 A EP 08100932A EP 1967727 A3 EP1967727 A3 EP 1967727A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- needle
- controlling
- control valve
- fuel injector
- injection needle
- 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
- 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
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
-
- 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
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
- F02M63/0078—Valve member details, e.g. special shape, hollow or fuel passages in the valve member
-
- 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
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
- F02M63/0078—Valve member details, e.g. special shape, hollow or fuel passages in the valve member
- F02M63/008—Hollow valve members, e.g. members internally guided
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
- F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic means
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007011317A DE102007011317A1 (en) | 2007-03-08 | 2007-03-08 | Fuel injector with an improved version of a control valve for controlling a nozzle needle |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1967727A2 EP1967727A2 (en) | 2008-09-10 |
EP1967727A3 true EP1967727A3 (en) | 2009-07-01 |
EP1967727B1 EP1967727B1 (en) | 2011-08-24 |
Family
ID=39388333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08100932A Not-in-force EP1967727B1 (en) | 2007-03-08 | 2008-01-25 | Fuel injector with improved implementation of a control valve for controlling an injection needle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1967727B1 (en) |
AT (1) | ATE521803T1 (en) |
DE (1) | DE102007011317A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007044356A1 (en) * | 2007-09-17 | 2009-03-19 | Robert Bosch Gmbh | injector |
DE102009045434A1 (en) * | 2009-10-07 | 2011-04-14 | Robert Bosch Gmbh | Fuel injection valve |
DE102010003202A1 (en) * | 2010-03-24 | 2011-09-29 | Robert Bosch Gmbh | Common rail injector with pressure compensated switching valve and additional storage volume |
DE102011077618A1 (en) * | 2011-06-16 | 2012-12-20 | Robert Bosch Gmbh | Injector, in particular fuel injector for an internal combustion engine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1612405A1 (en) * | 2004-06-30 | 2006-01-04 | C.R.F. Societa' Consortile per Azioni | An injection system for an internal-combustion engine |
EP1719904A1 (en) * | 2005-05-02 | 2006-11-08 | Robert Bosch Gmbh | Fuel injector |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006050032A1 (en) * | 2006-10-24 | 2008-04-30 | Robert Bosch Gmbh | Injector, particularly common-rail injector, for injecting fuel into combustion chambers of internal-combustion engines, has control valve, which influences pressure in control chamber |
-
2007
- 2007-03-08 DE DE102007011317A patent/DE102007011317A1/en not_active Withdrawn
-
2008
- 2008-01-25 AT AT08100932T patent/ATE521803T1/en active
- 2008-01-25 EP EP08100932A patent/EP1967727B1/en not_active Not-in-force
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1612405A1 (en) * | 2004-06-30 | 2006-01-04 | C.R.F. Societa' Consortile per Azioni | An injection system for an internal-combustion engine |
EP1719904A1 (en) * | 2005-05-02 | 2006-11-08 | Robert Bosch Gmbh | Fuel injector |
Also Published As
Publication number | Publication date |
---|---|
ATE521803T1 (en) | 2011-09-15 |
EP1967727B1 (en) | 2011-08-24 |
EP1967727A2 (en) | 2008-09-10 |
DE102007011317A1 (en) | 2008-09-11 |
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