EP1490592B1 - Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine - Google Patents
Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine Download PDFInfo
- Publication number
- EP1490592B1 EP1490592B1 EP02795011A EP02795011A EP1490592B1 EP 1490592 B1 EP1490592 B1 EP 1490592B1 EP 02795011 A EP02795011 A EP 02795011A EP 02795011 A EP02795011 A EP 02795011A EP 1490592 B1 EP1490592 B1 EP 1490592B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- fuel injection
- valve
- pressure
- fuel
- 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.)
- Expired - Lifetime
Links
- 238000002347 injection Methods 0.000 title claims description 89
- 239000007924 injection Substances 0.000 title claims description 89
- 239000000446 fuel Substances 0.000 title claims description 78
- 238000002485 combustion reaction Methods 0.000 title claims description 18
- 238000007789 sealing Methods 0.000 claims description 26
- 230000033001 locomotion Effects 0.000 claims description 5
- 239000002828 fuel tank Substances 0.000 claims description 4
- 239000008141 laxative Substances 0.000 description 2
- 230000002475 laxative effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 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
- 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
-
- 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
- F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
-
- 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
- F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements
-
- 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
- F02M2200/28—Details of throttles in fuel-injection apparatus
Definitions
- the invention is based on a Fuel injection device for an internal combustion engine according to the preamble of claim 1.
- Such a fuel injection device is characterized by the EP 0 987 431 A2.
- These Fuel injection device has a High-pressure fuel pump and a connected to this Fuel injector for each cylinder of Internal combustion engine.
- the high-pressure fuel pump points one by the internal combustion engine in a reciprocating motion powered pump piston having a pump working space limited.
- the fuel injection valve has one with the Pump work space associated pressure room and one Injection valve member, through which at least one Injection opening is controlled and by the in the Pressure chamber prevailing pressure against a closing force in Opening direction for releasing the at least one Injection opening is movable. It is a first electric actuated control valve provided by the one Connection of pump work space with a discharge chamber is controlled.
- a second electric actuated control valve provided by the one Connection of a control pressure chamber with a discharge space is controlled.
- the control pressure chamber is over one Throttle connected to the pump working space.
- Of the Control pressure chamber is limited by a control piston, which is supported on the injection valve member and by the in the Control pressure chamber prevailing pressure in a closing direction the injection valve member acted upon and.
- To a Fuel injection becomes the first control valve closed and the second control valve open, so that can build up in the control pressure chamber no high pressure and the Fuel injector can open.
- the second control valve flows out of the pump working space via the control pressure chamber fuel off, so that the for Injection amount of fuel available through the pump piston funded amount of fuel is reduced and also that for the injection to Available pressure is reduced. It follows that the efficiency of the fuel injector not optimal.
- the fuel injection device with the Features according to claim 1 has the advantage that at second open to fuel injection Control valve and thus opened fuel injection valve with the bypass connection only a small Flow area from the control pressure chamber to the discharge space is released and thus only a small amount of fuel flows out, making the injection available standing pressure and the efficiency of the Fuel injection device is increased.
- a fast opening or closing of the Fuel injector achieves what caused by a the main controlled link with large Flow cross-section occurring rapid pressure reduction or Pressure build-up in the control pressure chamber when opening or closing of the second control valve is enabled.
- FIG. 1 shows a Fuel injection device for an internal combustion engine in a longitudinal section in a simplified representation
- Figure 2 a designated in Figure 1 with II section in enlarged view with closed Fuel injection valve
- Figure 3 the cutout II at opened fuel injection valve
- Figure 4 the Fuel injector in a cross section along Line IV-IV in Figure 2.
- the internal combustion engine is preferably a self-igniting internal combustion engine.
- the Fuel injection device is preferably as So-called pump-nozzle unit is designed and has for each cylinder of the internal combustion engine one each High-pressure fuel pump 10 and connected to this Fuel injection valve 12, which has a common Form building unit.
- the Fuel injection device as a so-called pump-line-nozzle system be trained in which the High-pressure fuel pump and the fuel injection valve each cylinder is arranged separately from each other and over a line are connected together.
- the High-pressure fuel pump 10 has a pump body 14 with a cylinder bore 16 in which a pump piston 18th is tightly guided, at least indirectly by a Cam 20 of a camshaft of the internal combustion engine opposite the force of a return spring 19 in a lifting movement is driven.
- the pump piston 18 limited in the Cylinder bore 16 a pump working chamber 22, in the at Delivery stroke of the pump piston 18 Fuel under high pressure is compressed.
- the pump working chamber 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 may be formed in several parts, and in the one Injection valve member 28 in a bore 30th is guided longitudinally displaceable.
- the valve body 26 indicates its the combustion chamber of the cylinder of the internal combustion engine facing end region at least one, preferably a plurality Injection openings 32.
- the injection valve member 28 has at its the combustion chamber end facing a For example, about conical sealing surface 34, which with one in the valve body 26 in the combustion chamber facing End region formed valve seat 36 cooperates, from or after which the injection openings 32 dissipate.
- valve body 26 is between the injection valve member 28 and the bore 30 to the valve seat 36 toward an annular space 38th present, in its the valve seat 36 facing away End region by a radial extension of the bore 30 in a pressure chamber 40 surrounding the injection valve member 28 passes.
- the injection valve member 28 has the height of the Pressure chamber 40 by a cross-sectional reduction a Pressure shoulder 42 on.
- a biased Closing spring 44 At the end of the combustion chamber facing away from the Injector member 28 engages a biased Closing spring 44, through which the injection valve member 28th is pressed toward the valve seat 36.
- the closing spring 44 is arranged in a spring chamber 46 of the valve body 26, the adjoins the bore 30.
- a control piston 50 is tightly guided, with the injection valve member 28 is connected.
- the control piston 50 is supported over a smaller diameter compared to this Piston rod 51 on the injection valve member 28 from and can with be connected to the injection valve member 28.
- the control piston 50 may be integral with the injection valve member 28th trained, but is preferably for reasons of assembly as a separate part with the injection valve member 28th connected.
- Control pressure chamber 52 The connection 64 of Control pressure chamber 52 with the discharge chamber 24 is through controlling a second electrically operated control valve 70, which can be designed as a 2/2-way valve.
- a throttle point 63 In the Connection 62 of the control pressure chamber 52 with the Pump work chamber 22 is a throttle point 63 is provided.
- the control valves 68,70 can be an electromagnetic Actuator or a piezoelectric actuator and are by a electronic control device 72 is controlled.
- a housing part in the form of an intermediate disc 54th arranged on a boundary of the control pressure chamber 52 on its side facing away from the injection valve member 28 side forms.
- the control pressure chamber 52 limiting surface 53 of Washer 54 is transversely, preferably at least approximately perpendicular to the longitudinal axis 49 of the control piston 50 arranged.
- the channel 62 is of the Channel 60 formed to the control pressure chamber 52 and the Throttle 63 is shown as a throttle bore in the channel 62 in the intermediate disc 54 is formed.
- the throttle bore 63 opens as shown in Figure 4 in the direction of the longitudinal axis 49 of the control piston 50 seen in an edge region of the Control pressure chamber 52 offset to the longitudinal axis 49 of Control piston 50.
- the washer 54 is a bore 55 arranged, the one drain from the control pressure chamber 52nd as part of the connection 64 of the control pressure chamber 52 to Relief space 24 forms.
- the control piston 50 indicates its the intermediate disc 54 facing end side of a annular sealing surface 57, which has a narrow annular web forms and with respect to the end face of the control piston 50th is formed sublime.
- the annular sealing surface 57 is arranged on a smaller diameter than that Outer diameter of the control piston 50.
- the control piston 50 may be formed such that its diameter reduced to the front side with the sealing surface 57 out.
- Within the sealing surface 57 may in the end face of Control piston 50 may be formed a recess 58, the can be formed by a blind hole.
- the sealing surface 57 is at least approximately coaxial with the bore 55 in the Washer 54 is arranged and is on a larger Diameter arranged as the diameter of the bore 55th is.
- the throttle bore 63 opens into the intermediate disk 54 in the control pressure chamber 52 outside the sealing surface 57 of the Control piston 50.
- the bore 55 in the washer 54th forms one within the sealing surface 57 of the control piston 50 laxative flow from the control pressure chamber 52 to the second Control valve 70 and via this to the relief space 24.
- Die Bore 55 is at least approximately coaxial with the control piston 50 arranged.
- connection 62 with the throttle point 63rd approximately diametrically opposite one from the control pressure chamber 52nd laxative bypass connection 80 formed in the Connection 64 opens to the discharge chamber 24.
- the mouth of the Bypass connection 80 is in the control pressure chamber 52 as in Figure 4 shown in the direction of the longitudinal axis 49 of the Control piston 50 considered outside the sealing surface 57 of the Control piston 50.
- a Throttle 82 arranged as a throttle bore is trained.
- the flow area of Bypass connection 80 with the restriction 82 is essential less than the flow area of the bore 55th
- the main connection 84 from the control room 52 to Bore 55 in the washer 54 as a compound of Control pressure space 52 with the second control valve 70 and the Relief space 24 controlled.
- This main connection 84 is open with the fuel injection valve 12 and closed closed when the fuel injection valve 12 is open.
- the cross section of the throttle bore 63 of the connection 62 in the intermediate disc 54 and the throttle bore 82 in the Bypass connection 80 in the washer 54 are for a optimal function of the fuel injection device in suitably matched to each other.
- the second control valve 70 is closed, so that the control pressure chamber 52 separated from the discharge chamber 24 is.
- the first control valve 68 remains in its closed position. In the control pressure chamber 52 is building while high pressure as in the pump working chamber 22, so that on the control piston 50, a large pressure force in the closing direction acts and the injection valve member 28 in his Closed position is moved.
- the second Control valve 70 is opened by the control device 72.
- the Fuel injection valve 12 then opens as a result of reduced pressure force on the control piston 50 and the Injector member 28 moves above its maximum Opening stroke in its open position.
- the Opening movement of the injection valve member 28 is initially the large flow area over the main connection 84th released by the control piston 50 until the Injector member 28 with its maximum opening stroke is opened and the control piston 50 with its sealing surface 57 abuts the surface 53 of the washer 54 and the Main connection 84 closes and only the Bypass connection 80 released via the throttle bore 82 is. This will allow a quick opening of the Fuel injection valve 12 allows. If that Fuel injector 12 is fully open, so can over the throttle bore 63 and the throttle bore 82 only a small amount of fuel to the relief space 24th out, so that only a small part of the pump piston 18 pumped fuel not for injection to Available.
- the second Control valve 70 by the controller 72 in his closed switch position brought so that the Control pressure chamber 52 is separated from the discharge chamber 24 and builds up in this high pressure and on the on the Control piston 50 acting force the fuel injector 12 is closed.
- the Main connection 84 with a large flow area released, so that the pressure in the control pressure chamber 52 quickly rises and on the control piston 50, a high pressure force acts, so that the Kraftstoffeinspriztventil 12 quickly closes.
- the second control valve 70 by the controller 72nd opened again so that due to the reduced pressure in Control pressure chamber 52, the fuel injection valve 12 opens.
- the second Control valve 70 closed and / or the first control valve 68 opened.
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)
Description
Claims (7)
- Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine, mit jeweils einer Kraftstoffhochdruckpumpe (10) und jeweils 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 der Steuerdruckraum (52) zumindest mittelbar eine Verbindung (62) mit dem Pumpenarbeitsraum (22) aufweist, in der eine Drosselstelle (63) vorgesehen ist, wobei der Steuerdruckraum (52) durch einen Steuerkolben (50) begrenzt ist, der auf das Einspritzventilglied (28) in einer Schließrichtung wirkt, dadurch gekennzeichnet, daß der Steuerkolben (50) in einer Hubstellung bei in seiner Schließstellung angeordnetem Einspritzventilglied (28) in der Verbindung (64) des Steuerdruckraums (52) mit dem Entlastungsraum (24) eine Hauptverbindung (84) mit großem Durchflußquerschnitt freigibt, daß der Steuerkolben (50) in einer Hubstellung bei in seiner Öffnungsstellung mit maximalem Hub angeordnetem Einspritzventilglied (28) die Hauptverbindung (84) schließt und nur eine Bypassverbindung (80) mit geringem Durchflußquerschnitt freigegeben ist, und daß die Bypassverbindung (80) in einem den Steuerdruckraum (52) begrenzenden Gehäuseteil (54) ausgebildet ist.
- Kraftstoffeinspritzeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Bypassverbindung (80) im Gehäuseteil (54) als eine Bohrung mit einer Drosselstelle (82) ausgebildet ist.
- Kraftstoffeinspritzeinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Steuerkolben (50) an seiner dem Gehäuseteil (54) zugewandten Stirnseite eine Dichtfläche (57) aufweist, mit der dieser mit einem am Gehäuseteil (54) ausgebildeten Ventilsitz (53) zur Steuerung der Hauptverbindung (84) zusammenwirkt.
- Kraftstoffeinspritzeinrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Ventilsitz durch eine quer, vorzugsweise zumindest annähernd senkrecht zur Längsachse (49) des Steuerkolbens (50) angeordnete Fläche (53) des Gehäuseteils (54) gebildet ist.
- Kraftstoffeinspritzeinrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Dichtfläche (57) des Steuerkolbens (50) ringförmig ausgebildet ist und daß durch das Gehäuseteil (54) als Teil der Verbindung (64) des Steuerdruckraums (52) mit dem Entlastungsraum (24) ein innerhalb der Dichtfläche (57) angeordneter Ablauf (55) aus dem Steuerdruckraum (52) abführt.
- Kraftstoffeinspritzeinrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Bypassverbindung (80) außerhalb der Dichtfläche (57) aus dem Steuerdruckraum (52) abführt und vorzugsweise in den Ablauf (55) im Gehäuseteil (54) mündet.
- Kraftstoffeinspritzeinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Kraftstoffhochdruckpumpe (10) und das Kraftstoffeinspritzventil (12) eine gemeinsame Baueinheit bilden und daß das Gehäuseteil (54) als eine zwischen einem Pumpenkörper (14) der Kraftstoffhochdruckpumpe (10) und einem Ventilkörper (26) des Kraftstoffeinspritzventils (12) angeordnete Zwischenscheibe ausgebildet ist.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10211439 | 2002-03-15 | ||
| DE10211439A DE10211439A1 (de) | 2002-03-15 | 2002-03-15 | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
| PCT/DE2002/004606 WO2003078828A1 (de) | 2002-03-15 | 2002-12-17 | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1490592A1 EP1490592A1 (de) | 2004-12-29 |
| EP1490592B1 true EP1490592B1 (de) | 2005-07-13 |
Family
ID=27797791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02795011A Expired - Lifetime EP1490592B1 (de) | 2002-03-15 | 2002-12-17 | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6892955B2 (de) |
| EP (1) | EP1490592B1 (de) |
| JP (1) | JP4173821B2 (de) |
| BR (1) | BR0209654A (de) |
| DE (2) | DE10211439A1 (de) |
| WO (1) | WO2003078828A1 (de) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004028195A1 (de) * | 2004-06-09 | 2005-12-29 | Volkswagen Mechatronic Gmbh & Co. Kg | Einspritzventil mit Schließdruckbeaufschlagung der Ventilnadel |
| EP1836385B1 (de) * | 2004-12-03 | 2010-12-29 | Ganser-Hydromag AG | Brennstoffeinspritzventil mit druckverstärkung |
| DE102005014180A1 (de) * | 2005-03-29 | 2006-10-05 | Robert Bosch Gmbh | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
| US7415969B2 (en) * | 2006-02-28 | 2008-08-26 | Caterpillar Inc. | Fuel injector having recessed check top |
| DE102006027330A1 (de) * | 2006-06-13 | 2007-12-20 | Robert Bosch Gmbh | Kraftstoffinjektor |
| DE102006049830A1 (de) * | 2006-10-23 | 2008-04-24 | Robert Bosch Gmbh | Kraftstoffeinspritzventileinrichtung |
| EP2085604A1 (de) * | 2008-02-04 | 2009-08-05 | Robert Bosch GmbH | Injektor zum Einspritzen von Kraftstoff |
| JP5043761B2 (ja) * | 2008-06-18 | 2012-10-10 | 本田技研工業株式会社 | 燃料噴射装置 |
| JP5152220B2 (ja) * | 2010-02-18 | 2013-02-27 | 株式会社デンソー | 燃料噴射装置 |
| JP5327117B2 (ja) * | 2010-03-24 | 2013-10-30 | 株式会社デンソー | 燃料噴射装置 |
| JP5732834B2 (ja) * | 2010-03-31 | 2015-06-10 | 株式会社デンソー | 燃料噴射装置 |
| JP5625837B2 (ja) | 2010-03-31 | 2014-11-19 | 株式会社デンソー | 燃料噴射装置 |
| JP5375762B2 (ja) * | 2010-07-14 | 2013-12-25 | 株式会社デンソー | 燃料噴射装置 |
| JP5304861B2 (ja) * | 2010-12-17 | 2013-10-02 | 株式会社デンソー | 燃料噴射装置 |
| JP5752410B2 (ja) * | 2010-12-27 | 2015-07-22 | 株式会社 Acr | ディーゼルエンジン用のユニットインジェクタ |
| JP5310806B2 (ja) * | 2011-01-07 | 2013-10-09 | 株式会社デンソー | 燃料噴射装置 |
| US10982635B2 (en) * | 2012-05-29 | 2021-04-20 | Delphi Technologies Ip Limited | Fuel injector and method for controlling the same |
| GB2567171A (en) * | 2017-10-04 | 2019-04-10 | Delphi Tech Ip Ltd | Fuel injector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003050408A1 (de) * | 2001-12-07 | 2003-06-19 | Robert Bosch Gmbh | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0745764B1 (de) * | 1995-06-02 | 2001-03-21 | Ganser-Hydromag Ag | Brennstoffeinspritzventil für Verbrennungskraftmaschinen |
| US5860597A (en) * | 1997-03-24 | 1999-01-19 | Cummins Engine Company, Inc. | Injection rate shaping nozzle assembly for a fuel injector |
| AU8735198A (en) * | 1997-07-16 | 1999-02-10 | Cummins Wartsila S.A. | Device for injecting fuel into a diesel engine |
| DE19826791A1 (de) * | 1998-06-16 | 1999-12-23 | Bosch Gmbh Robert | Ventilsteuereinheit für ein Kraftstoffeinspritzventil |
| GB9820237D0 (en) * | 1998-09-18 | 1998-11-11 | Lucas Ind Plc | Fuel injector |
| DE19939419A1 (de) * | 1999-08-20 | 2001-03-01 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung |
-
2002
- 2002-03-15 DE DE10211439A patent/DE10211439A1/de not_active Withdrawn
- 2002-12-17 WO PCT/DE2002/004606 patent/WO2003078828A1/de not_active Ceased
- 2002-12-17 DE DE50203649T patent/DE50203649D1/de not_active Expired - Lifetime
- 2002-12-17 EP EP02795011A patent/EP1490592B1/de not_active Expired - Lifetime
- 2002-12-17 JP JP2003576805A patent/JP4173821B2/ja not_active Expired - Fee Related
- 2002-12-17 BR BR0209654-4A patent/BR0209654A/pt active Search and Examination
- 2002-12-17 US US10/477,837 patent/US6892955B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003050408A1 (de) * | 2001-12-07 | 2003-06-19 | Robert Bosch Gmbh | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1490592A1 (de) | 2004-12-29 |
| DE10211439A1 (de) | 2003-10-02 |
| WO2003078828A1 (de) | 2003-09-25 |
| JP4173821B2 (ja) | 2008-10-29 |
| JP2005520968A (ja) | 2005-07-14 |
| US20040144366A1 (en) | 2004-07-29 |
| BR0209654A (pt) | 2004-12-07 |
| US6892955B2 (en) | 2005-05-17 |
| DE50203649D1 (de) | 2005-08-18 |
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 | |
| EP1456528B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
| EP1423598A2 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
| EP1310668B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
| EP1310667B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
| EP1525390B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
| EP1478841B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
| EP1318293B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
| DE10205749A1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
| EP1476655B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
| EP1552138B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
| EP1284360B1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
| EP1383999B1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
| DE10162384A1 (de) | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine | |
| EP1601870A1 (de) | Kraftstoffeinspritzventil für eine brennkraftmaschine | |
| EP1430216A1 (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 |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| 17P | Request for examination filed |
Effective date: 20041015 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 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 SI SK TR |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| RBV | Designated contracting states (corrected) |
Designated state(s): DE ES FR GB IT SE |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES FR GB IT SE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20050713 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: 20050713 |
|
| 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: 50203649 Country of ref document: DE Date of ref document: 20050818 Kind code of ref document: P |
|
| REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
| GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
| ET | Fr: translation 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: 20060418 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20081222 Year of fee payment: 7 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20081219 Year of fee payment: 7 |
|
| EUG | Se: european patent has lapsed | ||
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20091217 |
|
| 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 NON-PAYMENT OF DUE FEES Effective date: 20091217 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20091218 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20120103 Year of fee payment: 10 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20130830 |
|
| 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 NON-PAYMENT OF DUE FEES Effective date: 20130102 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20140221 Year of fee payment: 12 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 50203649 Country of ref document: DE |
|
| 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: 20150701 |