EP1310667A2 - Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine - Google Patents
Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine Download PDFInfo
- Publication number
- EP1310667A2 EP1310667A2 EP02022360A EP02022360A EP1310667A2 EP 1310667 A2 EP1310667 A2 EP 1310667A2 EP 02022360 A EP02022360 A EP 02022360A EP 02022360 A EP02022360 A EP 02022360A EP 1310667 A2 EP1310667 A2 EP 1310667A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- injection
- fuel
- chamber
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 115
- 239000007924 injection Substances 0.000 title claims abstract description 115
- 239000000446 fuel Substances 0.000 title claims abstract description 81
- 238000002485 combustion reaction Methods 0.000 title claims description 20
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
Images
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
- 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
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
- F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
- F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
- F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
- F02M59/366—Valves being actuated electrically
Definitions
- the invention is based on one Fuel injection device for an internal combustion engine according to the preamble of claim 1.
- This Fuel injector has one High-pressure fuel pump and a connected to it Fuel injector for each cylinder of the Internal combustion engine on.
- the high-pressure fuel pump has one by the internal combustion engine in one stroke driven pump piston on which a pump work space limited.
- the fuel injector has one with the Pump work room connected pressure room and a Injection valve member through which at least one Injection opening is controlled by the in Pressure prevailing pressure against a closing force in Opening direction to release the at least one Injection opening is movable. It's a first electric actuated control valve provided by one Connection of the pump work room with a relief room is controlled.
- the injection valve member is by the im Control pressure chamber prevailing pressure at least indirectly a closing direction and the control pressure chamber is connected to the pump work room.
- To a Fuel injection becomes the first control valve closed and the second control valve opened so that no high pressure can build up in the control pressure chamber and that Can open fuel injector.
- open second control valve flows out of the pump work space fuel from the control pressure chamber, so that for the Injection available amount of fuel amount of fuel delivered by the pump piston is reduced and also that for injection Available pressure is reduced. It follows that the efficiency of the fuel injector is not is optimal.
- the fuel injection device with the Features according to claim 1 has the advantage that the second control valve for fuel injection at with maximum stroke open injector member closed can be so that no fuel quantity and Fuel pressure loss occurs during injection and thus the efficiency of the fuel injector is improved.
- Training according to claim 2 allows in a simple manner that on the Sealing surface of the injection valve member, if only with a partial stroke is open due to the low Flow cross-section and the resulting Throttling effect only a lower force in the opening direction acts as if opened with maximum stroke Injector valve member if the throttle effect because of larger flow cross-section lower and thus the pressure and the force acting in the opening direction is greater.
- the Training according to claim 3 enables the control of a Pre-injection by the second control valve.
- the Training according to claim 4 enables the control of a Main injection through the second control valve.
- the Training according to claim 5 allows control of Pressure course during a main injection through the second control valve.
- FIG. 1 shows a Fuel injection device for an internal combustion engine in a schematic representation
- Figure 2 one with II designated section of the fuel injector in an enlarged view
- Figure 3 is a course of a Pressure at an injection port Fuel injector the Fuel injector.
- FIG. 1 and 2 is one Fuel injection device for an internal combustion engine shown a motor vehicle.
- the internal combustion engine is preferably a self-igniting internal combustion engine.
- the Fuel injector is preferably as so-called pump-nozzle unit designed and has for each cylinder of the internal combustion engine one High-pressure fuel pump 10 and a connected thereto Fuel injector 12 on which is a common Form unit.
- the Fuel injection device also as a so-called pump-line-nozzle system be trained in which the High pressure fuel pump and the fuel injection valve each cylinder arranged separately and over a line are connected.
- the High-pressure fuel pump 10 has a pump body 14 a cylinder bore 16 in which a pump piston 18 is tightly led, at least indirectly by one Cam 20 counter to a camshaft of the internal combustion engine the force of a return spring 19 in one stroke is driven.
- the pump piston 18 is limited in the Cylinder bore 16 a pump working space 22, in which Delivery stroke of the pump piston 18 fuel under high pressure is compressed.
- the pump work space 22 becomes fuel from a fuel tank 24 of the motor vehicle fed.
- the fuel injection valve 12 has one with the Pump body 14 connected valve body 26, the can be formed in several parts, and in the one Injection valve member 28 in a bore 30 is guided longitudinally.
- the valve body 26 instructs its the combustion chamber of the cylinder of the internal combustion engine facing end region at least one, preferably several Injection openings 32 on.
- the injection valve member 28 has at its end area facing the combustion chamber for example, approximately conical sealing surface 34, which with one in the valve body 26 in its facing the combustion chamber End region trained valve seat 36 cooperates from after or after which the injection openings 32 discharge.
- valve body 26 in the Valve body 26 is between the injection valve member 28 and an annular space 38 toward the bore 30 toward the valve seat 36 available, the one facing away from the valve seat 36 End area through a radial expansion of the bore 30 in a pressure chamber 40 surrounding the injection valve member 28 transforms.
- the injection valve member 28 has the level of Pressure chamber 40 by reducing a cross section Pressure shoulder 42 on.
- Injector member 28 engages a biased one Closing spring 44 through which the injection valve member 28 is pressed towards the valve seat 36.
- the closing spring 44 is arranged in a spring chamber 46 of the valve body 26, the connects to the bore 30.
- the bore 48 forms a control pressure chamber 52 through the control piston 50 is limited as a movable wall.
- the control piston 50 has a cross-sectional area that is smaller than that Cross-sectional area of the injection valve member 28 in its in the bore 30 guided area.
- the control piston 50 is over a smaller diameter than this Piston rod 51 connected to the injection valve member 28.
- the control piston 50 can be made in one piece with the Injection valve member 28 is formed, however, for reasons assembly preferably as a separate part with the Injection valve member 28 connected.
- the control valve 68 can be as shown in Figure 1 be designed as a 2/2-way valve.
- connection 64 of the Control pressure chamber 52 with the relief chamber 24 is through controlled a second electrically operated control valve 70, that can be designed as a 2/2-way valve.
- a second electrically operated control valve 70 In the Connection 62 of the control pressure chamber 52 with the Pump working space 22 can be provided with a throttle point 63 be and in the connection of the control pressure chamber 52 with the Relief chamber 24 can be provided with a throttle point 71 his.
- the control valves 68, 70 can one have an electromagnetic actuator or a piezo actuator and are controlled by an electronic control device 72 driven.
- control pressure prevailing in the control pressure chamber 52 acted cross-sectional area of the control piston 50 dimensioned such that when the second is closed Control valve 70 when the control pressure chamber 52 from Relief chamber 24 is separated and the delivery stroke of Pump piston 18 in the pump work chamber 22 and thus also in the Control pressure chamber 52 high pressure builds up in addition to that Force of the closing spring 44 in the closing direction on the Injection valve member 28 results in force that is greater is the force acting on the injector member 28 in the opening direction 29 when the injection valve member 28 as explained above only with a partial stroke with his Sealing surface 34 is lifted off the valve seat 36. In this In this case, the fuel injection valve 12 is closed.
- the cross-sectional area of the Control piston 50 is preferably smaller than that Cross-sectional area of the injector member 28 that the Sum of the area of its pressure shoulder 42 and the area is from the front.
- the Injection valve member 28 opens only with a partial stroke, so that only a relatively low pressure on its end face acts in the opening direction 29.
- To end the Pre-injection is the second by the control device Control valve 70 closed, so that the control pressure chamber 52nd is separated from the relief chamber 24.
- the first control valve 68 remains in its closed position. in the Control pressure chamber 52 builds high pressure as in Pump working space 22, so that on the control piston 50th a large pressure force acts in the closing direction.
- the partial stroke of the injection valve member 28 to this only a small force acts in the opening direction 29, the is less than the sum of the force of the closing spring 44 and the pressure force on the control piston 50 closes this Fuel injection valve 12.
- the pre-injection corresponds an injection phase designated I in FIG. 3.
- the one in Figure 3 corresponds to the injection phase designated II, that is second control valve 70 by the control device 72 open.
- the fuel injection valve 12 then opens due to the reduced pressure force on the control piston 50 and the injector member 28 moves over its maximum opening stroke. If the injector member 28 with is opened its maximum opening stroke, so can by the Control device 72 closed the second control valve 70 are so that the control pressure chamber 52 from the relief chamber 24th is separated.
- the time when the second Control valve 70 closed by the control device 72 is, is preferably dependent on the operating parameters of the Internal combustion engine varies, in particular depending on the Rotational speed. It can be provided that at lower Speed the second control valve 70 through the Controller 72 closed early becomes and with increasing speed the second control valve 70 by the control device 72 at a later time is closed. As a result, at high speeds maximum fuel injection pressure limited become.
- the first one Control valve 68 through the control device 72 in its brought open switch position so that the Pump work chamber 22 connected to the relief chamber 24 and on the injection valve member 28 in the opening direction 29 only a small pressure force acts and that Fuel injection valve 12 due to the force of Closing spring 44 closes.
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 (5)
- Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine mit einer Kraftstoffhochdruckpumpe (10) und einem mit dieser verbundenen Kraftstoffeinspritzventil (12) für jeden Zylinder der Brennkraftmaschine, wobei die Kraftstoffhochdruckpumpe (10) einen durch die Brennkraftmaschine in einer Hubbewegung angetriebenen Pumpenkolben (18) aufweist, der einen Pumpenarbeitsraum (22) begrenzt und dem Kraftstoff aus einem Kraftstoffvorratsbehälter (24) zugeführt wird, wobei das Kraftstoffeinspritzventil (12) einen mit dem Pumpenarbeitsraum (22) verbundenen Druckraum (40) und ein Einspritzventilglied (28) aufweist, durch das wenigstens eine Einspritzöffnung (32) gesteuert wird, das auf einer an diesem ausgebildeten Druckfläche (42) von dem im Druckraum (40) herrschenden Druck in einer Öffnungsrichtung (29) beaufschlagt ist und das gegen eine Schließkraft in Öffnungsrichtung (29) zur Freigabe der wenigstens einen Einspritzöffnung (32) bewegbar ist, mit einem ersten Steuerventil (68), durch das eine Verbindung (66) des Pumpenarbeitsraums (22) mit einem Entlastungsraum (24) gesteuert wird und mit einem zweiten Steuerventil (70), durch das eine Verbindung (64) eines Steuerdruckraums (52) des Kraftstoffeinspritzventils mit einem Entlastungsraum (24) gesteuert wird, wobei das Einspritzventilglied (28) zumindest mittelbar von dem im Steuerdruckraum (52) herrschenden Druck in einer Schließrichtung beaufschlagt ist und der Steuerdruckraum (52) mit dem Pumpenarbeitsraum (22) verbunden ist, dadurch gekennzeichnet, daß im Steuerdruckraum (52) ein auf das Einspritzventilglied (28) wirkender Steuerkolben (50) angeordnet ist, der eine vom im Steuerdruckraum (52) herrschenden Druck beaufschlagte Fläche aufweist, die derart bestimmt ist, daß bei geschlossenem zweitem Steuerventil (70), wenn der Steuerdruckraum (52) vom Entlastungsraum (24) getrennt ist, die auf den Steuerkolben (50) wirkende Kraft bei nur mit einem Teilhub des Einspritzventilglieds (28) geöffnetem Kraftstoffeinspritzventil (12) ausreicht, um das Kraftstoffeinspritzventil (12) zu schließen und bei mit maximalem Hub des Einspritzventilglieds (28) geöffnetem Kraftstoffeinspritzventil (12) nicht ausreicht, um das Kraftstoffeinspritzventil (12) zu schließen.
- Kraftstoffeinspritzeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Einspritzventilglied (28) eine Dichtfläche (34) aufweist, mit der es zur Steuerung der wenigstens einen Einspritzöffnung (32) mit einem Ventilsitz (36) zusammenwirkt, wobei bei geöffnetem Kraftstoffeinspritzventil (12) zwischen der Dichtfläche (34) und dem Ventilsitz (36) ein Durchflußquerschnitt (37) vom Druckraum (40) zu der wenigstens einen Einspritzöffnung (32) gebildet ist, daß bei geöffnetem Kraftstoffeinspritzventil (12) eine Stirnfläche des Einspritzventilglieds (28) zusätzlich zu der Druckfläche (42) in Öffnungsrichtung (29) druckbeauschlagt ist und daß im Durchflußquerschnitt (37) abhängig vom Hub des Einspritzventilglieds (28) eine Drosselung des hindurchströmenden Kraftstoffs erfolgt.
- Kraftstoffeinspritzeinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zu einer Voreinspritzung von Kraftstoff durch die Steuereinrichtung (72) das erste Steuerventil (68) geschlossen und das zweite Steuerventil (70) geöffnet wird, so daß der Pumpenarbeitsraum (22) vom Entlastungsraum (24) getrennt und der Steuerdruckraum (52) mit dem Entlastungsraum (24) verbunden ist, daß das Kraftstoffeinspritzventil (12) bei der Voreinspritzung nur mit einem Teilhub des Einspritzventilglieds (28) öffnet, und daß die Voreinspritzung beendet wird, indem das zweite Steuerventil (70) durch die Steuereinrichtung (72) geschlossen wird, so daß der Steuerdruckraum (52) vom Entlatsungsraum (24) getrennt ist, wobei das erste Steuerventil (68) geschlossen bleibt.
- Kraftstoffeinspritzeinrichtung nach Anspruch 3, dadurch gekennzeichnet, daß für eine der Voreinspritzung folgende Haupteinspritzung von Kraftstoff das zweite Steuerventil (70) durch die Steuereinrichtung (72) geöffnet wird, so daß der Steuerdruckraum (52) mit dem Entlastungsraum (24) verbunden ist, und daß nach Beginn der Haupteinspritzung, wenn das Kraftstoffeinspritzventil (12) mit maximalem Hub des Einspritzventilglieds (28) geöffnet ist, das zweite Steuerventil (70) durch die Steuereinrichtung (72) geschlossen wird, so daß der Steuerdruckraum (52) vom Entlastungsraum (24) getrennt ist.
- Kraftstoffeinspritzeinrichtung nach Anspruch 4, dadurch gekennzeichnet, daß der Zeitpunkt, zu dem das zweite Steuerventil (70) durch die Steuereinrichtung (72) nach Beginn der Haupteinspritzung geschlossen wird, abhängig von Betriebsparametern der Brennkraftmaschine, insbesondere abhängig von deren Drehzahl, variabel gesteuert wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10154802 | 2001-11-08 | ||
DE10154802A DE10154802A1 (de) | 2001-11-08 | 2001-11-08 | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1310667A2 true EP1310667A2 (de) | 2003-05-14 |
EP1310667A3 EP1310667A3 (de) | 2004-12-15 |
EP1310667B1 EP1310667B1 (de) | 2006-09-20 |
Family
ID=7704991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02022360A Expired - Lifetime EP1310667B1 (de) | 2001-11-08 | 2002-10-08 | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
Country Status (3)
Country | Link |
---|---|
US (1) | US6644281B2 (de) |
EP (1) | EP1310667B1 (de) |
DE (2) | DE10154802A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014000865A1 (de) * | 2012-06-25 | 2014-01-03 | L'orange Gmbh | Injektor und kraftstoffeinspritzeinrichtung mit einem solchen |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10160258A1 (de) * | 2001-12-07 | 2003-06-18 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
US7191762B2 (en) * | 2002-03-26 | 2007-03-20 | Volvo Lastvagnar Ab | Fuel injection system |
DE10323177A1 (de) * | 2003-05-22 | 2004-12-09 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem für Brennkraftmaschinen |
DE102004053421A1 (de) * | 2004-11-05 | 2006-05-11 | Robert Bosch Gmbh | Kraftstoffeinspritzvorrichtung |
DE102013019361A1 (de) * | 2013-11-19 | 2015-05-21 | Daimler Ag | Verfahren zum Betreiben einer Verbrennungskraftmaschine, insbesondere für einen Kraftwagen |
GB2590365A (en) * | 2019-12-09 | 2021-06-30 | Rklab Ag | Injector apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0987431A2 (de) | 1998-09-18 | 2000-03-22 | Lucas Industries Limited | Kraftstoffeinspritzventil |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5230613A (en) * | 1990-07-16 | 1993-07-27 | Diesel Technology Company | Common rail fuel injection system |
US5711277A (en) * | 1995-08-29 | 1998-01-27 | Isuzu Motors Limited | Accumulating fuel injection apparatus |
JPH09209867A (ja) * | 1996-02-07 | 1997-08-12 | Mitsubishi Motors Corp | 燃料噴射装置 |
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 |
JP3653882B2 (ja) * | 1996-08-31 | 2005-06-02 | いすゞ自動車株式会社 | エンジンの燃料噴射装置 |
EP0995031B1 (de) * | 1997-07-16 | 2002-01-02 | Cummins Wartsila S.A. | Kraftstoffeinspritzvorrichtung für dieselmotoren |
DE19816316A1 (de) * | 1998-04-11 | 1999-10-14 | Bosch Gmbh Robert | Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen |
DE19826791A1 (de) * | 1998-06-16 | 1999-12-23 | Bosch Gmbh Robert | Ventilsteuereinheit für ein Kraftstoffeinspritzventil |
DE19939421A1 (de) * | 1999-08-20 | 2001-03-01 | Bosch Gmbh Robert | Kombiniertes hub-/druckgesteuertes Kraftstoffeinspritzverfahren und -system für eine Brennkraftmaschine |
DE19951964A1 (de) * | 1999-10-28 | 2001-05-03 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
JP3775498B2 (ja) * | 2000-03-31 | 2006-05-17 | 三菱ふそうトラック・バス株式会社 | 蓄圧式燃料噴射装置 |
-
2001
- 2001-11-08 DE DE10154802A patent/DE10154802A1/de not_active Withdrawn
-
2002
- 2002-10-08 EP EP02022360A patent/EP1310667B1/de not_active Expired - Lifetime
- 2002-10-08 DE DE50208194T patent/DE50208194D1/de not_active Expired - Fee Related
- 2002-11-05 US US10/287,583 patent/US6644281B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0987431A2 (de) | 1998-09-18 | 2000-03-22 | Lucas Industries Limited | Kraftstoffeinspritzventil |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014000865A1 (de) * | 2012-06-25 | 2014-01-03 | L'orange Gmbh | Injektor und kraftstoffeinspritzeinrichtung mit einem solchen |
Also Published As
Publication number | Publication date |
---|---|
US6644281B2 (en) | 2003-11-11 |
EP1310667B1 (de) | 2006-09-20 |
US20030089340A1 (en) | 2003-05-15 |
DE10154802A1 (de) | 2003-05-22 |
EP1310667A3 (de) | 2004-12-15 |
DE50208194D1 (de) | 2006-11-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1490592B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
EP1458970B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
DE10221384A1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1483498B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
EP1456525B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
DE10141678A1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1310667B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1310668B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1243785A2 (de) | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen | |
EP1260705B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1456528B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
EP1236884A2 (de) | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen | |
WO2001031191A2 (de) | Kraftstoffeinspritzventil für brennkraftmaschinen | |
EP1310666A2 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
DE10205749A1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1318293A2 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
EP1476655B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
DE10146745A1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
WO2003052259A1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
EP1601870A1 (de) | Kraftstoffeinspritzventil für eine brennkraftmaschine | |
WO2003027481A1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
17P | Request for examination filed |
Effective date: 20050615 |
|
AKX | Designation fees paid |
Designated state(s): DE ES FR GB IT |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES FR GB IT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060920 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20060920 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REF | Corresponds to: |
Ref document number: 50208194 Country of ref document: DE Date of ref document: 20061102 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20061231 |
|
EN | Fr: translation not filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20070621 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070518 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060920 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20081222 Year of fee payment: 7 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100501 |