EP1073837B1 - Brennstoffeinspritzventil - Google Patents
Brennstoffeinspritzventil Download PDFInfo
- Publication number
- EP1073837B1 EP1073837B1 EP99957895A EP99957895A EP1073837B1 EP 1073837 B1 EP1073837 B1 EP 1073837B1 EP 99957895 A EP99957895 A EP 99957895A EP 99957895 A EP99957895 A EP 99957895A EP 1073837 B1 EP1073837 B1 EP 1073837B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- axis
- plane
- swirl
- outlet opening
- 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
- 239000000446 fuel Substances 0.000 title claims description 48
- 238000002347 injection Methods 0.000 title claims description 26
- 239000007924 injection Substances 0.000 title claims description 26
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 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
-
- 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
- F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
-
- 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
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
Definitions
- the invention is based on a fuel injection valve according to the preamble of claim 1, claim 13 and of Claim 14.
- the fuel injection valve according to the invention with the characterizing features of claim 1 has the advantage that it is in a very simple way and Way is inexpensive to produce. That's it Injector especially at its downstream end simple and yet very accurate mountable. Furthermore is with the fuel injection valve according to the invention a very good atomization and a very precise spray of the fuel e.g. directly into a cylinder one Internal combustion engine reached. It will be a special one even front of sprayed spray achieved. In addition, single strands can be sprayed with large Avoid penetration depth and speed.
- valve seat is in Valve seat element swirling fuel on a supplied extremely short flow path. This very short one Flow path is also guaranteed in that the Outlet already at the end of the Valve seat surface while avoiding any Collecting rooms begins.
- the fuel injection valve according to the invention with the Characteristic features of claim 1 has in addition to the advantages already mentioned have the advantage that due the "wiridschiefen" arrangement of the outlet opening swirly, finest atomized fuel sprays all over specifically in particularly desired edge areas, e.g. one Cylinders can be sprayed off without e.g. a wanted one Hohlkegelver whatsoever must be abandoned.
- the disk-shaped swirl element according to claim 1 is very simply structured and therefore easy to form.
- the Swirl element is the task, a swirl or To generate rotational movement in the fuel. Since it is at the Swirl element is a single component, are in its Handling in the manufacturing process no restrictions too expect.
- swirl element Compared to swirl bodies, which grooves on one end or similar spin-producing depressions may in the swirl element with the simplest means an inner Opening area to be created, which extends over the entire axial thickness of the swirl element extends and from a surrounded by the outer peripheral edge area.
- the modular structure of the elements guide, swirl and Valve seat element and the associated separation of functions has the advantage that the individual components are very flexible can be designed so that by simple variation of an element different sprays to be sprayed (Spray angle, static spray rate) can be generated.
- FIG. 1 shows a Embodiment of a fuel injection valve
- FIG 2a is a plan view of a central region of a Valve seat member for a so-called by definition "Right Twist Valve”
- Figure 2b is a plan view of a middle region of a valve seat member for a after Definition so-called “left-twist valve”
- Figure 2c a Top view of a middle area of a Valve seat element with two-dimensional offset of Outlet
- Figure 3 is a section along the line III-III in Figure 2a
- Figure 4 is a section along the line IV-IV in Figure 3 as a first invention Embodiment
- Figure 5 shows a fourth embodiment in a representation analogous to Figure 4
- Figure 6 a fifth Exemplary embodiment in a representation analogous to FIG.
- Figure 7 is a simplified symbolic section through a Spray cone, which when spraying fuel from valves according to the embodiments according to FIGS. 5 and 6,
- Figure 8 shows an embodiment of a disc-shaped Swirl elements in a plan view
- Figure 9 a Embodiment of a guide element in one Top view
- Figure 10 a second swirl element
- Figure 11 a third spin element.
- an injector for Fuel injection systems of spark-ignited Internal combustion engine has one of a magnetic coil. 1 at least partially surrounded, as the inner pole of a Magnetic circuit serving, tubular, largely hollow cylindrical core 2.
- the fuel injector is particularly suitable as a high-pressure injection valve for direct injection of fuel into a combustion chamber of a Internal combustion engine.
- An example stepped Bobbin 3 plastic takes a winding of the Solenoid 1 on and allows in conjunction with the core 2 and an annular, non-magnetic, of the Magnet coil 1 partially surrounded intermediate part 4 with a L-shaped cross section a particularly compact and short Construction of the injection valve in the region of the magnetic coil 1.
- a continuous longitudinal opening. 7 provided, which extends along a valve longitudinal axis. 8 extends.
- the core 2 of the magnetic circuit also serves as Fuel inlet, wherein the longitudinal opening 7 a Fuel supply channel represents.
- an external metal (eg ferritic) housing part 14 which is used as external pole or outer guide element closes the magnetic circuit and the Magnet coil 1 at least in the circumferential direction completely surrounds.
- a fuel filter 15 is provided for the Provides filtering out of such fuel components that due to their size in the injector blockages or Can cause damage.
- the fuel filter 15 is z. B. fixed by pressing in the core 2.
- the core 2 forms with the housing part 14, the inlet side End of the fuel injection valve, wherein the upper Housing part 14, for example, in the axial direction just downstream seen on the solenoid coil 1 extends beyond.
- the Z. B. an axially movable valve member consisting of an armature 19 and a rod-shaped valve needle 20 and an elongated valve seat carrier 21 encloses or receives.
- the two housing parts 14 and 18 are z. B. with a circumferential weld firmly connected.
- valve seat carrier 21 In the embodiment shown in Figure 1 are the lower housing part 18 and the substantially tubular Valve seat carrier 21 by screwing firmly together connected; Welding, soldering or flanging pose as well possible joining methods.
- the seal between the Housing 18 and the valve seat carrier 21 is z. B. by means of a sealing ring 22.
- the valve seat carrier 21 has over its entire axial extent an inner Through hole 24, concentric with the Valve longitudinal axis 8 runs.
- valve seat carrier 21 a With its lower end 25, which also at the same time the downstream completion of the entire Represents fuel injector surrounds the Valve seat carrier 21 a in the passage opening 24th fitted disc-shaped valve seat member 26 with a tapering downstream of the truncated cone Valve seat surface 27.
- a largely circular Cross-section valve needle 20 is arranged, the its downstream end a valve closing portion 28th having.
- spherical or partial spherical or rounded or conical tapered valve closing portion 28 acts in a known Way with the provided in the valve seat member 26 Valve seat surface 27 together.
- Valve seat member 26 Downstream of the valve seat surface 27 is in Valve seat member 26 has an outlet opening 32 for the Fuel introduced.
- this is Outlet opening 32 only shown as a blind hole, since it is in the sectional view in Figure 1 about a central Section through the fuel injector is the Outlet opening 32, however, an obliquely inclined extent to the valve longitudinal axis 8 has, as Figure 2a illustrates.
- the outlet opening 32 in Figure 1 thus runs either in the drawing plane into or out of it.
- the actuation of the injection valve takes place in known Way electromagnetic.
- a piezoelectric actuator as excitable Actuator is also conceivable.
- an actuation via a controlled pressure-loaded piston conceivable.
- the electromagnetic circuit For the axial movement of the valve needle 20 and thus for opening against the spring force in the longitudinal opening 7 of the core 2 arranged return spring 33 and closing of the injection valve is the electromagnetic circuit with the magnetic coil 1, the core 2, the housing parts 14 and 18th and the armature 19.
- the armature 19 is connected to the Valve closing portion 28 facing away from the end of the valve needle 20 z. B. connected by a weld and the core. 2 aligned.
- valve seat carrier 21 To guide the valve needle 20 during her Axial movement with the armature 19 along the valve longitudinal axis 8 serves on the one hand in the valve seat carrier 21 on the anchor 19 facing the end provided guide opening 34 and on the other hand, an upstream of the valve seat member 26th arranged disc-shaped guide member 35 with a precise guide opening 55.
- the armature 19 is during surrounded by its axial movement of the intermediate part 4.
- Pressed or screwed adjusting sleeve 38 is used for Adjustment of spring preload via a centering piece 39 with its upstream side of the adjusting 38th adjacent return spring 33, which is with her opposite side supported on the armature 19.
- In the anchor 19 are one or more bore-like flow channels 40 provided by the fuel from the longitudinal opening. 7 in the core 2 from over downstream of the flow channels 40th trained connecting channels 41 near the guide opening 34 in the valve seat carrier 21 into the passage opening 24th can get.
- the stroke of the valve needle 20 is determined by the mounting position of the Valve seat member 26 predetermined.
- An end position of Valve needle 20 is in non-energized solenoid 1 by the system of the valve closing portion 28 at the Valve seat surface 27 of the valve seat member 26 set, while the other end position of the valve needle 20 at energized solenoid 1 by the system of the armature 19 at the downstream end face of the core 2 results.
- the Surfaces of the components in the latter stop area For example, they are chrome plated.
- the electrical contacting of the magnetic coil 1 and thus their excitement via contact elements 43, which still outside the bobbin 3 with a Plastic extrusion 44 are provided.
- the Plastic extrusion 44 may also have more Components (eg housing parts 14 and 18) of the Fuel injection valve extend. From the Plastic extrusion 44 out runs an electrical Connecting cable 45, via which the energization of the solenoid coil 1 he follows.
- the plastic extrusion 44 protrudes through the in this area interrupted upper housing part 14th
- Figure 2a is a plan view of a central region of the Valve seat member 26 for a so-called by definition "Right hand twist valve". Concentric to the valve longitudinal axis 8 is within the middle range located in downstream direction tapered tapered Valve seat surface 27 is formed, with the Valve closing portion 28 of the valve needle 20 to a Seat valve cooperates. To define the location of Outlet opening 32 in the valve seat member 26 is it necessary, two perpendicular axes 49, 50th to declare that in their extension direction respectively spanning imaginary levels, being at the intersection of the two Axles 49, 50 or the two imaginary vertical planes the valve longitudinal axis 8 runs. The first axis 49 is the in Figure 2a horizontally extending axis, and the second Axis 50 is the axis perpendicular in FIG. 2a.
- the valve seat surface 27 forms a conical section in Valve seat member 26, which at its downstream end in a bottom portion 51 ( Figures 3 and 4) with low Diameter expires.
- the valve seat surface 27 forms a conical section in Valve seat member 26, which at its downstream end in a bottom portion 51 ( Figures 3 and 4) with low Diameter expires.
- the invention lies the deepest Point of the bottom portion 51 not on the valve longitudinal axis 8, but offset on one of the axes 49 or 50, in FIG 2a is an offset z to the axis 50 before.
- the base From the deepest Starting from the bottom portion 51, the base extends Outlet opening 32 in the downstream direction.
- the Entry level 52 of the outlet opening 32 coincides with the Floor area 51 together and so is also with a Offset z to the axis 50 before.
- Figures 2a, 3 and 4 illustrate a first Inventive embodiment in which the offset z the central axis 58 of the outlet opening 32, on which the two centers 54, 54 ', the axis 50 is smaller as the radius of the outlet opening 32.
- the Figures 2a and 4 can be clearly seen that the right Edge of the outlet opening 32 from the central axis 58 from seen over the axis 50 and the valve longitudinal axis. 8 survives.
- Another constructive feature of Outlet opening 32 is that at a projection the entrance plane 52 and the exit plane 53 in a There is no overlap of the two planes 52, 53, as Figures 2a and 3 can be removed.
- Valve seat member 26 If the outlet opening 32 is mirrored about the axis 50 in Valve seat member 26 introduced, as Figure 2b as second embodiment shows, then arises Valve seat member 26, which together with a corresponding formed and upstream swirl element 47 ( Figure 10) a so-called "left-twist valve" results.
- FIG. 2c shows a third exemplary embodiment, which largely corresponds to that shown in Figure 2a. however is the entrance level 52 of the outlet opening 32 now two-dimensionally offset.
- the center 54 of Entry level 52 also by an amount y to the axis 49 before.
- Other embodiments not shown can be designed such that the center 54 of the Entry level 52 at various points with Center axis 58 designated axis lies.
- the Guide element 35 has a dimensionally accurate inner Guide opening 55, through which the valve needle 20th moved through during their axial movement. From the outside Extend forth has the guide member 35 over the circumference distributed a plurality of recesses 56 (see also Figure 9), which a fuel flow at the outer periphery of Guide member 35 along into the swirl element 47 and further towards the valve seat surface 27 guaranteed is.
- Figures 5 and 6 are a fourth and a fifth Embodiment in a sectional view analogous to FIG 4. These examples differ only by the Size of the offset z of the example according to FIGS. 2a, 3 and 4.
- the offset z of the central axis 58 of the outlet opening 32, on which the two centers 54, 54 'lie, to Axis 50 is chosen so that it equals the radius of the Outlet opening 32 is.
- the right edge of the Outlet opening 32 on the axis 50 is the outlet opening 32 in the example of Figure 6 so arranged offset far to the axis 50 that the offset z is greater than the radius of the outlet opening 32nd
- FIG. 7 shows an idealized symbolic cut by one Spray cone 67, which when spraying fuel from Valves according to the embodiments of Figures 5 and 6 arises, whereby by a certain shading area 68 a deviation from the rotational symmetry of a cone is present. On the side of the shading area 68, the Spray cone 67 as cut off.
- FIG 8 is a between guide element 35 and Valve seat member 26 embedded swirl element 47 as Single component shown in a plan view.
- the Swirl element 47 can cost, for example by means of Punching, wire eroding, laser cutting, etching or others known methods of a sheet or by galvanic Deposition are made.
- an inner opening portion 90 formed over the entire axial thickness of the swirl element 47 extends. Of the Opening area 90 is from an inner swirl chamber 92, through which the valve closing portion 28 of the valve needle 20 extends through, and a plurality of in the Swirl chamber 92 forming swirl channels 93 formed.
- the Swirl channels 93 open tangentially into the swirl chamber 92 and Stand with their swirl chamber 92 facing away from the ends 95th not with the outer periphery of the swirl element 47 in FIG Connection. Rather, between the as Inlet pockets formed ends 95 of the swirl channels 93 and the outer circumference of the swirl element 47 a circumferential Edge area 96.
- the swirl chamber 92 When installed valve needle 20, the swirl chamber 92 is after inside of the valve needle 20 (valve closing portion 28) and outwardly through the wall of the opening portion 90 of the Swirl elements 47 limited. Through the tangential junction the swirl channels 93 in the swirl chamber 92 gets the Fuel imparted an angular momentum in the further Flow is maintained up to the outlet opening 32. Due to the centrifugal force of the fuel is largely hohlkegelförmig hosed. The ends 95 of the swirl channels 93 serve as collection bags, the large area a reservoir for form low-turbulence inflow of the fuel. After Flow deflection occurs slowly and the fuel low turbulence in the actual tangential swirl channels 93rd a, whereby a largely trouble-free swirl generated is.
- FIG. 9 is an embodiment of a Guide element 35 can be removed, but in many other Embodiments is also applicable. About his outer circumference has the guide member 35 alternately Recesses 56 and tooth-shaped protruding portions 98th The tooth-shaped regions 98 may be e.g. rounded be formed. The production of the guide element 35 occurs e.g. by punching. In the example of Figure 9 are the Ausnaturalungsgrounde 99 inclined, so that the Ausbloodungsgrounde 99 in an advantageous manner perpendicular to the Axes of the swirl channels 93 of the underlying Swirl elements 47 run.
- FIG. 10 and 11 are intended to indicate that it is always is possible, a fuel injection valve according to the invention with either a left twist or a right twist equip generating swirl element 47.
- the Valve seat elements 26 with differently directed To vary outlet openings 32, as the figures 2a and 2b clarify.
- disk-shaped swirl element 47 both for left-hand twist as can also be used for right-handed spin.
- the swirl element 47 of FIG. 11 is only that mirrored or placed on the back swirl element 47th to figure 10.
- Installation aids 100 formed.
- These installation aids 100 may, for example, the Shape of notches, grooves or other depressions, from Flattening or protruding noses or have other surveys.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
Claims (4)
- Brennstoffeinspritzventil für Brennstoffeinspritzanlagen von Brennkraftmaschinen, insbesondere zum direkten Einspritzen von Brennstoff in einen Brennraum einer Brennkraftmaschine, mit einem erregbaren Betätigungselement (1, 2, 19), mit einer axial entlang einer Ventillängsachse (8) bewegbaren Ventilnadel (20), die an ihrem stromabwärtigen Ende einen Ventilschließabschnitt (28) aufweist, der zum Öffnen und Schließen des Ventils mit einem festen Ventilsitz (27) zusammenwirkt, wobei der Ventilsitz (27) an einem Ventilsitzelement (26) ausgebildet ist, mit einer stromabwärts des Ventilsitzes (27) im Ventilsitzelement (26) ausgebildeten Austrittsöffnung (32), die eine Eintrittsebene (52), eine Austrittsebene (53) und eine Mittelachse (58) besitzt, wobei der Mittelpunkt (54) der Eintrittsebene (52) versetzt zur Ventillängsachse (8) liegt und die Mittelachse (58) schräg geneigt zur Ventillängsachse (8) verläuft, und wobei durch den Mittelpunkt (54) der Eintrittsebene (52) der Austrittsöffnung (32) eine erste gedachte horizontale Achse (49) verläuft, eine zweite gedachte horizontale Achse (50) senkrecht zur ersten Achse (49) verläuft und im Schnittpunkt der ersten und der zweiten Achse (49, 50) die Ventillängsachse (8) verläuft, und mit stromaufwärts des Ventilsitzes (27) angeordneten drallerzeugenden Mitteln (47), dadurch gekennzeichnet, dass die Austrittsöffnung (32) derart angeordnet ist, dass der Mittelpunkt (54') der Austrittsebene (53) der Austrittsöffnung (32) bei einer Projektion in die Ebene der Eintrittsebene (52) einen anderen Versatz z zur zweiten Achse (50) hat als der Mittelpunkt (54) der Eintrittsebene (52) zur zweiten Achse (50).
- Brennstoffeinspritzventil nach Anspruch 1, dadurch gekennzeichnet, dass die drallerzeugenden Mittel in Form eines scheibenförmigen Drallelements (47) ausgeführt sind.
- Brennstoffeinspritzventil nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass bei einer Projektion der Eintrittsebene (52) und der Austrittsebene (53) in eine Ebene keine Überlappung der beiden Ebenen (52, 53) vorliegt.
- Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Ventilsitz als Ventilsitzfläche (27) einen Kegelabschnitt im Ventilsitzelement (26) bildet, der an seinem stromabwärtigen Ende in einem Bodenbereich (51) ausläuft, der unmittelbar die Eintrittsebene (52) der Austrittsöffnung (32) bildet.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19907897A DE19907897A1 (de) | 1999-02-24 | 1999-02-24 | Brennstoffeinspritzventil |
DE19907897 | 1999-02-24 | ||
PCT/DE1999/003284 WO2000050765A1 (de) | 1999-02-24 | 1999-10-13 | Brennstoffeinspritzventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1073837A1 EP1073837A1 (de) | 2001-02-07 |
EP1073837B1 true EP1073837B1 (de) | 2005-03-16 |
Family
ID=7898655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99957895A Expired - Lifetime EP1073837B1 (de) | 1999-02-24 | 1999-10-13 | Brennstoffeinspritzventil |
Country Status (7)
Country | Link |
---|---|
US (1) | US6494388B1 (de) |
EP (1) | EP1073837B1 (de) |
JP (1) | JP2002538358A (de) |
KR (1) | KR100744439B1 (de) |
DE (2) | DE19907897A1 (de) |
RU (1) | RU2239088C2 (de) |
WO (1) | WO2000050765A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3810583B2 (ja) * | 1999-05-13 | 2006-08-16 | 三菱電機株式会社 | 燃料噴射弁 |
DE10038293A1 (de) * | 2000-08-05 | 2002-02-14 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10060435A1 (de) * | 2000-12-05 | 2002-06-13 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
US6708907B2 (en) * | 2001-06-18 | 2004-03-23 | Siemens Automotive Corporation | Fuel injector producing non-symmetrical conical fuel distribution |
US6854670B2 (en) * | 2002-05-17 | 2005-02-15 | Keihin Corporation | Fuel injection valve |
JP4072402B2 (ja) * | 2002-09-06 | 2008-04-09 | 株式会社日立製作所 | 燃料噴射弁およびそれを搭載した内燃機関 |
JP2004353661A (ja) * | 2003-05-01 | 2004-12-16 | Hitachi Ltd | 燃料噴射弁及びそれを備えた筒内噴射式内燃機関 |
DE60320235T2 (de) * | 2003-05-26 | 2009-05-28 | Continental Automotive Gmbh | Einspritzdüse mit verbesserter Einspritzung und Verfahren zu deren Herstellung |
US7124963B2 (en) | 2004-11-05 | 2006-10-24 | Visteon Global Technologies, Inc. | Low pressure fuel injector nozzle |
US7438241B2 (en) * | 2004-11-05 | 2008-10-21 | Visteon Global Technologies, Inc. | Low pressure fuel injector nozzle |
US7137577B2 (en) * | 2004-11-05 | 2006-11-21 | Visteon Global Technologies, Inc. | Low pressure fuel injector nozzle |
US7104475B2 (en) * | 2004-11-05 | 2006-09-12 | Visteon Global Technologies, Inc. | Low pressure fuel injector nozzle |
US7051957B1 (en) * | 2004-11-05 | 2006-05-30 | Visteon Global Technologies, Inc. | Low pressure fuel injector nozzle |
US7185831B2 (en) * | 2004-11-05 | 2007-03-06 | Ford Motor Company | Low pressure fuel injector nozzle |
US7198207B2 (en) * | 2004-11-05 | 2007-04-03 | Visteon Global Technologies, Inc. | Low pressure fuel injector nozzle |
US7168637B2 (en) * | 2004-11-05 | 2007-01-30 | Visteon Global Technologies, Inc. | Low pressure fuel injector nozzle |
US8740113B2 (en) | 2010-02-10 | 2014-06-03 | Tenneco Automotive Operating Company, Inc. | Pressure swirl flow injector with reduced flow variability and return flow |
US8998114B2 (en) * | 2010-02-10 | 2015-04-07 | Tenneco Automotive Operating Company, Inc. | Pressure swirl flow injector with reduced flow variability and return flow |
US9683472B2 (en) | 2010-02-10 | 2017-06-20 | Tenneco Automotive Operating Company Inc. | Electromagnetically controlled injector having flux bridge and flux break |
US8973895B2 (en) | 2010-02-10 | 2015-03-10 | Tenneco Automotive Operating Company Inc. | Electromagnetically controlled injector having flux bridge and flux break |
US9546633B2 (en) * | 2012-03-30 | 2017-01-17 | Electro-Motive Diesel, Inc. | Nozzle for skewed fuel injection |
DE102012207406A1 (de) * | 2012-05-04 | 2013-11-07 | Robert Bosch Gmbh | Ventil zum Zumessen von Fluid |
US8978364B2 (en) | 2012-05-07 | 2015-03-17 | Tenneco Automotive Operating Company Inc. | Reagent injector |
US8910884B2 (en) | 2012-05-10 | 2014-12-16 | Tenneco Automotive Operating Company Inc. | Coaxial flow injector |
JP5930903B2 (ja) * | 2012-07-27 | 2016-06-08 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
DE102015001199B4 (de) * | 2015-01-31 | 2017-08-17 | L'orange Gmbh | 1Kraftstoffinjektor für den Betrieb mit Brenngas |
US10704444B2 (en) | 2018-08-21 | 2020-07-07 | Tenneco Automotive Operating Company Inc. | Injector fluid filter with upper and lower lip seal |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2658921C2 (de) * | 1976-12-24 | 1986-08-14 | M A N Nutzfahrzeuge GmbH, 8000 München | Als Lochdüse ausgebildete Kraftstoffeinspritzdüse für eine luftverdichtende Brennkraftmaschine |
DE2750929C2 (de) * | 1977-11-15 | 1985-02-14 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Kraftstoff-Einspritzdüse für Brennkraftmaschinen |
DE2902417A1 (de) * | 1979-01-23 | 1980-07-31 | Maschf Augsburg Nuernberg Ag | Kraftstoff-einspritzduese fuer brennkraftmaschinen |
DE3116954C2 (de) | 1981-04-29 | 1993-10-21 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE3407545A1 (de) * | 1984-03-01 | 1985-09-05 | Hubert 8500 Nürnberg Keiczek | Kraftstoff-einspritzduese fuer brennkraftmaschinen |
US4971254A (en) * | 1989-11-28 | 1990-11-20 | Siemens-Bendix Automotive Electronics L.P. | Thin orifice swirl injector nozzle |
JP3336697B2 (ja) * | 1993-10-15 | 2002-10-21 | トヨタ自動車株式会社 | 燃料噴射弁におけるスワールノズル |
US5540200A (en) * | 1993-12-28 | 1996-07-30 | Nissan Motor Co., Ltd. | Fuel injection valve |
JP3075201B2 (ja) * | 1996-12-20 | 2000-08-14 | 株式会社デンソー | 燃料噴射弁 |
US5875972A (en) * | 1997-02-06 | 1999-03-02 | Siemens Automotive Corporation | Swirl generator in a fuel injector |
DE19736682A1 (de) * | 1997-08-22 | 1999-02-25 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
US5878962A (en) * | 1997-09-24 | 1999-03-09 | Siemens Automotive Corporation | Pressure swirl injector with angled cone spray for fuel injection |
JP3323429B2 (ja) * | 1997-11-19 | 2002-09-09 | トヨタ自動車株式会社 | 内燃機関用燃料噴射弁 |
-
1999
- 1999-02-24 DE DE19907897A patent/DE19907897A1/de not_active Withdrawn
- 1999-10-13 KR KR1020007011766A patent/KR100744439B1/ko not_active IP Right Cessation
- 1999-10-13 DE DE59911766T patent/DE59911766D1/de not_active Expired - Lifetime
- 1999-10-13 WO PCT/DE1999/003284 patent/WO2000050765A1/de active IP Right Grant
- 1999-10-13 JP JP2000601327A patent/JP2002538358A/ja active Pending
- 1999-10-13 EP EP99957895A patent/EP1073837B1/de not_active Expired - Lifetime
- 1999-10-13 US US09/673,945 patent/US6494388B1/en not_active Expired - Lifetime
- 1999-10-13 RU RU2000129514/06A patent/RU2239088C2/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100744439B1 (ko) | 2007-08-01 |
US6494388B1 (en) | 2002-12-17 |
JP2002538358A (ja) | 2002-11-12 |
WO2000050765A1 (de) | 2000-08-31 |
EP1073837A1 (de) | 2001-02-07 |
KR20010042942A (ko) | 2001-05-25 |
DE59911766D1 (de) | 2005-04-21 |
DE19907897A1 (de) | 2000-08-31 |
RU2239088C2 (ru) | 2004-10-27 |
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