DE102006060593A1 - Fuel injector for internal combustion engines has control space (CS) linked to high-pressure side with injector needle movement controlled by its pressure and a control valve to block/open a link between the CS and lower-pressure side - Google Patents
Fuel injector for internal combustion engines has control space (CS) linked to high-pressure side with injector needle movement controlled by its pressure and a control valve to block/open a link between the CS and lower-pressure side Download PDFInfo
- Publication number
- DE102006060593A1 DE102006060593A1 DE200610060593 DE102006060593A DE102006060593A1 DE 102006060593 A1 DE102006060593 A1 DE 102006060593A1 DE 200610060593 DE200610060593 DE 200610060593 DE 102006060593 A DE102006060593 A DE 102006060593A DE 102006060593 A1 DE102006060593 A1 DE 102006060593A1
- Authority
- DE
- Germany
- Prior art keywords
- control sleeve
- valve
- fuel injector
- control
- injector according
- 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.)
- Withdrawn
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
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
-
- 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
-
- 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
- F02M63/0042—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing combined with valve seats of the lift valve type
-
- 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
-
- 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
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
Stand der TechnikState of the art
Die Erfindung geht aus von einem Kraftstoffinjektor nach der Gattung des Patentanspruchs 1.The The invention is based on a fuel injector of the type of claim 1
Offenbarung der ErfindungDisclosure of the invention
Der erfindungsgemäße Kraftstoffinjektor mit seiner kraftausgeglichenen Steuerhülse hat je nach Bauart einen oder mehrere der folgenden Vorteile:
- – Durch Verwendung einer kraftausgeglichenen Steuerhülse kann ein hochdynamisches Steuerventil gebaut werden.
- – Durch Verwendung eines kraftausgeglichenen Ventils kann weiterhin ein sehr schmaler Piezoaktor verwendet werden, der speziell auf Hub gezüchtet ist. Da vom Piezoaktor kaum Kraft abverlangt wird, kann er im Durchmesser sehr klein sein.
- – Durch Verwendung eines kompakten kraftausgeglichenen Ventils, bei dem die Leckage nicht über den Anker geführt wird, kann ein fast schwingungsfreies hoch dynamisches Ventil gebaut werden.
- – Ein als Flachsitz ausgebildeter Ventilsitz ermöglicht eine kompakte Ventilbauform, die über den Flachsitz mit extrem steilem Durchflussverhalten sehr kleine Ventilhübe zulässt, wodurch die Dynamik des Ventils beträchtlich gesteigert werden kann.
- - By using a force-balanced control sleeve, a highly dynamic control valve can be built.
- - By using a force-balanced valve, a very narrow piezoactuator can be used, which is specially bred for stroke. Since hardly any force is required from the piezoactuator, it can be very small in diameter.
- - By using a compact balanced valve, where the leakage is not carried over the armature, a nearly vibration-free high dynamic valve can be built.
- - Designed as a flat seat valve seat allows a compact valve design that allows very small valve strokes on the flat seat with extremely steep flow behavior, whereby the dynamics of the valve can be considerably increased.
Weitere Vorteile und vorteilhafte Ausgestaltungen des Gegenstands der Erfindung sind der Beschreibung, der Zeichnung und den Ansprüchen entnehmbar.Further Advantages and advantageous embodiments of the subject invention are the description, the drawings and the claims removable.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Ausführungsbeispiele des erfindungsgemäßen Kraftstoffinjektors sind in den Zeichnungen dargestellt und in der nachfolgenden Beschreibung näher erläutert. Die Figuren sind teilweise abgebrochen, schematisch und nicht maßstäblich. Es zeigen:embodiments the fuel injector according to the invention are shown in the drawings and in the following description explained in more detail. The Figures are partially broken off, schematically and not to scale. It demonstrate:
Ausführungsformen der ErfindungEmbodiments of the invention
Der
in
Das
Steuerventil
Der
ringförmige
Druckraum
Der
Durchmesser d des flachen Ventilsitzes
Bei
den nachfolgend beschriebenen weiteren Ausführungsformen von Kraftstoffinjektoren
sind all diejenigen Elemente, die mit der in
Vom
Injektor der
Vom
Injektor der
Vom
Injektor der
Vom
Injektor der
Claims (11)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610060593 DE102006060593A1 (en) | 2006-12-21 | 2006-12-21 | Fuel injector for internal combustion engines has control space (CS) linked to high-pressure side with injector needle movement controlled by its pressure and a control valve to block/open a link between the CS and lower-pressure side |
EP07119031A EP1939441A3 (en) | 2006-12-21 | 2007-10-23 | Fuel injector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610060593 DE102006060593A1 (en) | 2006-12-21 | 2006-12-21 | Fuel injector for internal combustion engines has control space (CS) linked to high-pressure side with injector needle movement controlled by its pressure and a control valve to block/open a link between the CS and lower-pressure side |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102006060593A1 true DE102006060593A1 (en) | 2008-06-26 |
Family
ID=39299828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200610060593 Withdrawn DE102006060593A1 (en) | 2006-12-21 | 2006-12-21 | Fuel injector for internal combustion engines has control space (CS) linked to high-pressure side with injector needle movement controlled by its pressure and a control valve to block/open a link between the CS and lower-pressure side |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1939441A3 (en) |
DE (1) | DE102006060593A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009000300A1 (en) | 2009-01-19 | 2010-07-22 | Robert Bosch Gmbh | Fuel injector |
CN113944580A (en) * | 2021-11-10 | 2022-01-18 | 一汽解放汽车有限公司 | Ejector and engine |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007044361A1 (en) * | 2007-09-17 | 2009-03-19 | Robert Bosch Gmbh | Control valve for a fuel injector |
DE102013222650A1 (en) * | 2013-06-10 | 2014-12-11 | Robert Bosch Gmbh | Fuel injector |
CN114790957B (en) * | 2022-04-29 | 2023-11-21 | 中国北方发动机研究所(天津) | Slide valve type common rail fuel injector |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2277229T3 (en) * | 2004-06-30 | 2007-07-01 | C.R.F. Societa Consortile Per Azioni | SERVOVALVULA TO CONTROL THE FUEL INJECTOR OF AN INTERNAL COMBUSTION ENGINE. |
EP1612405B1 (en) * | 2004-06-30 | 2008-11-05 | C.R.F. Società Consortile per Azioni | An injection system for an internal-combustion engine |
DE102006056840A1 (en) * | 2006-12-01 | 2008-06-05 | Robert Bosch Gmbh | fuel injector |
-
2006
- 2006-12-21 DE DE200610060593 patent/DE102006060593A1/en not_active Withdrawn
-
2007
- 2007-10-23 EP EP07119031A patent/EP1939441A3/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009000300A1 (en) | 2009-01-19 | 2010-07-22 | Robert Bosch Gmbh | Fuel injector |
WO2010081576A1 (en) * | 2009-01-19 | 2010-07-22 | Robert Bosch Gmbh | Fuel injector |
CN113944580A (en) * | 2021-11-10 | 2022-01-18 | 一汽解放汽车有限公司 | Ejector and engine |
CN113944580B (en) * | 2021-11-10 | 2022-07-19 | 一汽解放汽车有限公司 | Ejector and engine |
Also Published As
Publication number | Publication date |
---|---|
EP1939441A3 (en) | 2009-02-04 |
EP1939441A2 (en) | 2008-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R005 | Application deemed withdrawn due to failure to request examination |
Effective date: 20131224 |