EP1355061B1 - Einspritzventil, insbesondere Brennstoffeinspritzventil - Google Patents

Einspritzventil, insbesondere Brennstoffeinspritzventil Download PDF

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Publication number
EP1355061B1
EP1355061B1 EP03016782A EP03016782A EP1355061B1 EP 1355061 B1 EP1355061 B1 EP 1355061B1 EP 03016782 A EP03016782 A EP 03016782A EP 03016782 A EP03016782 A EP 03016782A EP 1355061 B1 EP1355061 B1 EP 1355061B1
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EP
European Patent Office
Prior art keywords
valve
injection
perforated disc
seat body
injection 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.)
Expired - Lifetime
Application number
EP03016782A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1355061A1 (de
Inventor
Wilhelm Hopf
Kurt Schreier
Siegfried Goppert
Kurt Schraudner
Henning Teiwes
Joerg Heyse
Dieter Holz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1355061A1 publication Critical patent/EP1355061A1/de
Application granted granted Critical
Publication of EP1355061B1 publication Critical patent/EP1355061B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1853—Orifice plates
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/30—Foil or other thin sheet-metal making or treating
    • Y10T29/301—Method
    • Y10T29/302—Clad or other composite foil or thin metal making

Definitions

  • the invention is based on an injection valve after Genus of claim 1.
  • the injection valve according to the invention with the characterizing Features of claim 1 has the advantage that simple Way a uniform atomization of the to be sprayed without additional energy, with a particularly high Zerstäubungsgüte and a to the achieved according to requirements adapted beam shaping becomes.
  • This is achieved in an advantageous manner in that a perforated disk arranged downstream of a valve seat an opening geometry for a complete axial Passage of the medium, in particular of the fuel, having, by a solid valve seat comprehensive Valve seat body is limited.
  • a perforated disk arranged downstream of a valve seat an opening geometry for a complete axial Passage of the medium, in particular of the fuel, having, by a solid valve seat comprehensive Valve seat body is limited.
  • an S-blow in the flow to Atomization improvement of the fuel achieved since the Valve seat body with a lower end face the Spray openings of the perforated disc covered.
  • valve seat body and perforated disc scored S-blow allowed in the flow the formation of strange beam forms with a high Atomization.
  • the perforated discs enable in conjunction with correspondingly executed valve seat bodies for single, Two- and multi-jet sprays Beam cross-sections in innumerable Variants, such. As rectangles, triangles, crosses, ellipses.
  • Such unusual beam shapes allow an accurate optimal adaptation to given geometries, eg. B. on different Saugrohrqueritese of internal combustion engines. This results in the benefits of a form-fitting Utilization of available cross-section to homogeneous distributed, exhaust gas-reducing mixture introduction and a Avoidance of exhaust gas harmful Wandfilmstromrened to the Saugrohrwandung. With such an injection valve can consequently reduces the exhaust emission of the internal combustion engine and also a reduction in fuel consumption be achieved.
  • FIG. 1 shows a partially illustrated injection valve with a first produced perforated disc
  • Figure 2 is a schematic diagram of Procedure in the production of a perforated disc with the stations A to E and in the attachment of a Perforated disk in an injection valve with stations F and G
  • Figure 3 embodiments of film strips for Production of a three-layer perforated disc
  • Figure 4 a Perforated disc band with several superimposed Foil strip
  • Figures 5 and 6 a thermoforming tool with a perforated disc strip to be processed
  • Figure 6a a second embodiment of a thermoforming tool
  • Figure 7 a first example of a deep-drawn, at one Valve seat body attached perforated disc
  • Figure 8 a second example of a deep-drawn
  • Figure 9 a third example of a deep-drawn, on a Valve seat body attached perforated disc
  • Figure 10 a another perforated disk in a plan view
  • FIG. 10 shows a perforated disk in section along the line XI-XI
  • FIG. 12 shows a fourth example of a deep-drawn, on a valve seat body fastened (two-ply) Perforated disk
  • Figure 13 is a first central region of a Perforated disk
  • Figure 14 is a second central region of a Perforated disk
  • Figure 15 a third central region of a Perforated disk to illustrate various Opening geometries.
  • FIG 1 is as an embodiment of the Using a perforated disc a valve in the form of a Injector for fuel injection systems of mixture-compression spark-ignited internal combustion engines partially shown.
  • the injector has a tubular valve seat carrier 1, in the concentric to a valve longitudinal axis 2, a longitudinal opening 3 is formed is.
  • a longitudinal opening 3 is formed in the longitudinal opening 3 in the longitudinal opening 3 in the longitudinal opening 3 in the longitudinal opening 3 is a z.
  • tubular Valve needle 5 arranged at its downstream end 6 with a z.
  • the actuation of the injection valve takes place in known Way, for example, electromagnetic.
  • To the axial Movement of the valve needle 5 and thus to open against the Spring force of a return spring, not shown, or Closing the injector serves a hinted electromagnetic circuit with a magnetic coil 10, a Anchor 11 and a core 12.
  • the armature 11 is connected to the Valve-closing body 7 facing away from the end of the valve needle. 5 by z. B. one made by a laser Weld connected and aligned on the core 12.
  • valve seat body 16 To guide the valve closing body 7 during the Axial movement serves a guide opening 15 of a Valve seat body 16.
  • the core 12 opposite end of the valve seat carrier 1 is in the concentric with the valve longitudinal axis 2 extending Longitudinal opening 3 of z.
  • cylindrical valve seat body 16th tightly assembled by welding.
  • lower end face 17 is the valve seat body 16 with an inventive, e.g. pot-shaped Perforated disk 21 concentric and firmly connected, so directly on the valve seat body 16 with a bottom part 22 is present.
  • the perforated disc 21 is of at least two, in Embodiment of Figure 1 three a small thickness having, metal sheet layers 135 formed so that a so-called sheet-metal laminate perforated disc is present.
  • valve seat body 16 and perforated disc 21st takes place for example by an annular circumferential and dense, formed by a laser first weld 25.
  • This type of assembly is the danger of a undesirable deformation of the perforated disc 21 in her middle area with the provided there Opening geometry 27 avoided.
  • To the bottom part 22 of the pot-shaped perforated disc 21 is closed to the outside circumferential retaining edge 28, which extends in the axial direction the valve seat body 16 extends away and up to its end slightly curved conically outwards. Of the Retaining edge 28 exerts a radial spring action on the wall the longitudinal opening 3 from. This is when inserting the Valve seat body 16 in the longitudinal opening 3 of Valve seat carrier 1 a chip formation on the longitudinal opening. 3 avoided.
  • the retaining edge 28 of the perforated disc 21 is at his free end with the wall of the longitudinal opening. 3 for example, by a circumferential and dense second Weld 30 connected.
  • the tight welds prevent a flow of fuel to unwanted Make in the longitudinal opening 3 directly into a Intake line of the internal combustion engine.
  • the insertion depth of the valve seat body 16 and pot-shaped perforated disc 21 existing valve seat part in the longitudinal opening 3 determines the size of the stroke of the Valve needle 5, since the one end position of the valve needle 5 at not energized solenoid 10 through the system of the Valve-closing body 7 on a valve seat surface 29 of the Valve seat body 16 is fixed.
  • the other end position the valve needle 5 is 10 when energized solenoid for example, by the investment of the armature 11 on the core 12th established.
  • the path between these two end positions of the Valve needle 5 thus represents the hub.
  • the spherical valve closing body 7 acts with the in Direction of flow tapering frusto-conically Valve seat surface 29 of the valve seat body 16 together, the in the axial direction between the guide opening 15 and the lower end face 17 of the valve seat body 16 is formed is.
  • FIG 2 shows a schematic diagram of the process flow in the Production of a perforated disc 21 according to the invention, wherein the individual production and processing stations only symbolically represented. Based on the following FIGS. 3 to 6 are still individual processing steps explained in more detail.
  • labeled A. Station are according to the desired number of Sheet metal layers 135 of the later perforated disc 21 sheet metal foils as For example, rolled-up film strips 35 before.
  • at Use of three film strips 35a, 35b and 35c for Production of a three sheet metal layers 135 comprehensive Blechlaminat perforated disc 21 is for the later Processing, especially when joining, expedient, the middle Film strip 35b to coat.
  • foil strips 35 are subsequently per film 35 each in large numbers same opening geometries 27 of the perforated disc 21 and Auxiliary openings for centering and adjusting the Foil strip 35 or later exposing the Perforated discs 21 introduced from the film strip 35.
  • This processing of the individual film strips 35 takes place in station B.
  • station B are tools 36 provided with those in the individual film strips 35 the desired opening geometries 27 and the auxiliary openings be formed. All essential contours are included by micro-punching, laser cutting, eroding, etching or produced comparable methods. Examples of such such processed film strip 35 illustrates FIG 3.
  • the film strips 35 undergo such processed the Station C, which is a heater 37, in the film strips 35, for example, in preparation a soldering process are heated inductively.
  • the station C is only optional, because at any time other, one Heating not requiring joining method for connecting the Foil strips 35 can be applied.
  • the joining of the individual takes place Foil strip 35 to each other, wherein the film strips 35th with the help of centering each other exactly be positioned and, for example, by rotating Pressure rollers 38 pressed together and further transported become.
  • a joining method laser welding, Light beam welding, electron beam welding, Ultrasonic welding, pressure welding, induction soldering, Laser beam soldering, electron beam soldering, gluing or others known methods are used. After that this will involve multiple layers of film strips 35 Perforated disk belt 39 processed in the station E such that Perforated discs 21 in the for installation in the injection valve desired size and contour present.
  • the planes punched perforated discs 21 can already so in one Injection valve can be used.
  • a tool 40 ' in particular a Thermoforming tool
  • the perforated discs 21 from the Perforated disk belt 39 by tearing or cutting to separate out and thus to separate, with the Perforated discs 21 at the same time directly with a cup-shaped Be given shape. Is a punching made and a cup-shaped shape of the perforated disks 21 desired, so is after punching nor a thermoforming process or a Beading required.
  • the method steps for producing the perforated disks 21 are thus completed so far that subsequently only the installation of the perforated disks 21 takes place.
  • the isolated and in the desired manner shaped perforated disks 21 are in a next step in each case at the bottom End face 17 of the valve seat body 16 by means of a Joined fastening device 45, wherein advantageously to achieve a tight and tight connection one Laser welding device is used (station F).
  • station F Laser welding device
  • laser radiation 46 is the annular circumferential weld 25 achieved.
  • That now present valve seat part of valve seat body 16 and Perforated disk 21 will be optional later Finished, the valve seat part while in a Holding device 47 is clamped (station G).
  • various processing tools 48 with which procedures how honing (honing) or hard turning are feasible, especially the inner contours of the valve seat body 16 (e.g., guide port 15, valve seat surface 29) reworked.
  • foil strips 35 for a Perforated disk 21 is shown in FIG Foil strip 35a later the valve closing body. 7 facing upper sheet metal layer 135a and the film strip 35c the later the valve closing body 7 facing away from lower Sheet metal layer 135c of the perforated disc 21, during the Foil strip 35b lying between these two Sheet metal layer 135b in the perforated disc 21 forms.
  • the sheet metal laminate perforated discs 21 two to five film strips 35 on top of each other arranged, each having a thickness of 0.05 mm to 0.3 mm, in particular about 0.1 mm.
  • Each film strip 35 is in the station B with an opening geometry 27th provided over the length of the film strip 35 in large number repeated.
  • the upper film strip 35a a Opening geometry 27 in the form of a cruciform Inlet opening 27a
  • the middle film strip 35b a Opening geometry 27 of a passage opening 27b in a circular shape with a larger diameter than the extent of the cruciform Inlet opening 27a
  • the lower film strip 35c a Opening geometry 27 in the form of four circular, im Cover area of the passage opening 27b lying Spray openings 27c on.
  • These opening geometries 27 further auxiliary openings 49, 50th brought in.
  • auxiliary openings 49 are sickle-shaped, the respective opening geometries 27 surrounding in the Foil strip 35 provided as breakthroughs.
  • the e.g. four Crescent-shaped auxiliary openings 50 close with their inner Contour a circle with a diameter of the later Perforated disk 21 a.
  • the of the auxiliary openings 50th enclosed circular areas in the Foil strips 35 are referred to as discs 53.
  • auxiliary openings 50 pointed, with between the individual auxiliary openings 50 narrow webs 55 formed are in the region of the diameter of the tube a width of only 0.2 to 0.3 mm.
  • the webs 55 tear, causing the perforated discs 21 are exposed.
  • several film strips 35 to a larger Foil carpet be summarized, on the discs 53 in two Dimensions are arranged.
  • FIG. 4 shows schematically a perforated disc band 39 in FIG Station D, wherein the bringing together of the film strips 35 is shown staggered. Starting from the left only the lower film strip 35c before, then on the then medium film strip 35b runs up. The upper Foil strip 35a completes the perforated disc band 39, the in the two right round blanks 53 thus three-layered.
  • the Spray openings 27c offset to the inlet opening 27a are arranged so that a perforated disc 21st flowing medium, e.g. Fuel, a so-called S shock within the perforated disc 21 learns that to a Atomization improvement contributes.
  • a perforated disc 21st flowing medium e.g. Fuel
  • auxiliary openings 49 grips a centering device 57 (index pins, Index pin), which ensures that the discs 53 of the individual film strip 35 dimensionally accurate and secure one above the other before the film strips 35 be connected to each other.
  • the auxiliary openings 49 can Also as feed grooves for automatic transport of Foil strip 35 and the perforated disc band 39 used become.
  • the solid connections of the film strips 35 through Welding, soldering or gluing can be both in the field of Round blanks 53 as well as outside of the blanks 53 near the Foil edges 52 or in central areas 58 between two opposing auxiliary openings 49 be made.
  • the deep-drawing tool 40 is shown schematically, the perforated disc band 39th is going through.
  • the perforated disc belt 39 is located with the Edge regions between the auxiliary openings 50 and the Foil edges 52 e.g. on a workpiece support 59, against which it is pressed by means of a hold-60.
  • the hold-down 60 has one at least partially frusto-conical opening 61, which is a Matrizenfunktion to form the retaining edge 28 of the perforated disc 21 takes over.
  • an opening 62nd provided, which is cylindrical and in the one Stamp 63 perpendicular to the plane of the perforated disc band 39th is movable.
  • stamp counterpart 64 On the opposite of the punch 63 Side of the perforated disc belt 39 is in the opening 61 of the Hold-down 60 a stamp counterpart 64 is provided, the the movement of the punch 63 follows, but the contour of the bottom part 22 of the perforated disc 21 pretends.
  • expiring procedure is a translational tensile pressure forming such as deep drawing or Cupping.
  • thermoforming tool 40 in first cut out the circular blank 53, the one is deep-drawn immediately below.
  • the punch 63 is surrounded by a sleeve-shaped cutting tool 67, that defines the opening 62 with its inner wall. Together with the punch 63, the cutting tool moves 67 perpendicular to the plane of the perforated disc belt 39, as it is the arrows indicate.
  • the blank 53 is very accurate from the perforated disc band 39 through a cutting edge of the Cutting tool 67 cut out.
  • the cutting tool 67th is moved into the opening 61, so that the Ronde 53 due to the partial frustoconical design of the Opening 61 is brought into a cup shape.
  • FIG. 7 Various embodiments of the station F coming from the valve seat body 16 and the perforated disc 21st formed valve seat parts illustrate the figures 7 to 9.
  • the discs 53 in the Station E becomes the outer rim margin as a later retaining edge 28 of the perforated disc 21 from the plane of the perforated disc band 39 folded out.
  • the figures 6 to 9 show, can the retaining edge 28 after leaving the thermoforming tool 40 ' e.g. almost perpendicular to the plane of the bottom part 22.
  • Opening geometries 27 in the film strip 35 or Perforated discs 21 are also innumerable others (e.g. elliptical, polygonal, T-shaped, crescent-shaped, cruciform, semicircular, tunnel portal-like, bony, u.a. asymmetrical) opening geometries 27 for laminated laminate perforated discs 21 conceivable.
  • Figures 10 and 11 show a preferred embodiment of FIG Opening geometries 27 in the individual sheet metal layers 135 a Perforated disk 21, wherein the figure 10 is a plan view of the Perforated disk 21 can be removed.
  • the a sectional view taken along a line XI-XI in Figure 10 is again illustrates the structure of the perforated disc 21st with its three sheet metal layers 135.
  • the upper sheet metal layer 135a (FIG. 10a) has a Inlet opening 27 a with the largest possible extent, the a contour similar to a stylized bat (or a double H).
  • the inlet port 27a has a Cross-section, which is called a partially rounded rectangle with two opposite, rectangular Constrictions 68 and thus three again over the Constrictions 68 overflowing inlet areas 69th is writable.
  • the three inlet regions 69 are related on the comparable with a bat contour Body / trunk and the two wings of the bat (or the Transverse bar to the longitudinal bar of the double H). in each case the same distance from the central axis of the perforated disc 21st and these are arranged symmetrically, for example in the lower sheet metal layer 135c ( Figure 10c) four circular Spray openings 27c provided.
  • the ejection openings 27c are all at one projection Sheet metal layers 135 in a plane ( Figure 2) partially or largely in the constrictions 68 of the upper sheet metal layer 135a.
  • the ejection openings 27c are at an offset to Inlet opening 27a before, i. in the projection is the Inlet opening 27a at no point the spray openings 27c cover.
  • the offset can, however, in different Directions be different.
  • Figure 10b To a fluid flow from the inlet port 27 a to to ensure the ejection openings 27c, is in the middle sheet layer 135b ( Figure 10b) has a passage opening 27b formed as a channel (cavity).
  • the one contour of a rounded rectangle having passage opening 27b has such a size that in the projection the Inlet opening 27 a completely covered and especially in the Regions of the constrictions 68 via the inlet port 27a protrudes, so a greater distance from the central axis of the Perforated disk 21 than the constrictions 68 has.
  • the sheet metal layers 135a, 135b and 135c as they are from the film strips 35 cut out before deep drawing in the perforated disc composite present, once again shown in isolation to the Opening geometry 27 of each individual sheet metal layer 135 exactly illustrate. Every single figure is ultimately one simplified sectional view through the perforated disc band 39 horizontally along each sheet metal layer 135a, 135b and 135c. In order to better illustrate the opening geometries 27, on one hatch and the body edges of the other Sheet metal layers 135 omitted.
  • FIGS 12 to 15 show embodiments of two Sheet metal layers 135 having perforated discs 21 which are connected to a Valve seat body 16 of an injection valve by means of a tight weld 25 are mounted.
  • the valve seat body 16 the valve seat surface 29 downstream following a Outlet opening compared to the three sheet metal layers 135 having perforated discs 21 already the inlet opening 27a represents.
  • With its lower outlet opening 27a the valve seat body 16 is formed such that its lower Face 17 partially an upper cover of the Through opening 27 b forms and thus the entrance surface of the Fuel in the perforated disc 21 determines.
  • the outlet 27a has a smaller diameter as the diameter of an imaginary circle on which the Spray openings 27c of the perforated disc 21 are located.
  • the transverse pulses due to the turbulence across the Flow cause among other things that the Droplet distribution density in the spray sprayed off a large Uniformity. This results in a reduced probability of droplet coagulation, So from associations of small droplets to larger ones Drops.
  • the consequence of the advantageous reduction of mean droplet diameter in the spray is a relative homogeneous spray distribution.
  • FIG. 13 to 15 Three examples of embodiments of the opening geometry 27 in FIG the central areas of the perforated disc 21 are as Top views shown in Figures 13 to 15. With a Dash-dot line is in these figures Outlet opening 27a of the valve seat body 16 in the region of lower end 17 symbolically indicated to the offset to illustrate the spray openings 27c.
  • All Embodiments of the perforated disks 21 have in common that at least one passage opening 27b in the upper Sheet metal layer 135 and at least one injection opening 27c, here four spray openings 27c in the lower sheet metal layer 135th have, with the passage openings 27b each so large are executed in terms of their width or width, that all Spray openings 27c are completely overflowed. In order to is meant that none of the passage openings 27b delimiting walls covering the spray openings 27c.
  • the passage opening 27b in a double-diamond-like shape executed, with the two rhombuses by a middle Area are connected, so that only a single Passage opening 27b is present. However, they are just as good two or more passage openings 27b conceivable.
  • the doppelrauten-shaped passage opening 27b extend starting four e.g. possessing square cross sections Spray openings 27c through the lower sheet metal layer 135, the from the center of the perforated disc 21, e.g. to the farthest points of the passage opening 27 b formed are. In each case two spray openings 27c form due to elongated diamonds of the passage opening 27b Opening pair.
  • Such an arrangement of the ejection openings 27c allows a two-beam or Flachstrahlabspritzung.
  • These perforated discs 21 are particularly suitable for Arrangement of two spray openings 27c in larger Distance to two further spray openings 27c for a Zweistrahlabspritzung.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
EP03016782A 1997-06-07 1998-03-17 Einspritzventil, insbesondere Brennstoffeinspritzventil Expired - Lifetime EP1355061B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19724075 1997-06-07
DE19724075A DE19724075A1 (de) 1997-06-07 1997-06-07 Verfahren zur Herstellung einer Lochscheibe für ein Einspritzventil und Lochscheibe für ein Einspritzventil und Einspritzventil
EP98924016A EP0917624B1 (de) 1997-06-07 1998-03-17 Verfahren zur herstellung einer lochscheibe für ein einspritzventil

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP98924016A Division EP0917624B1 (de) 1997-06-07 1998-03-17 Verfahren zur herstellung einer lochscheibe für ein einspritzventil

Publications (2)

Publication Number Publication Date
EP1355061A1 EP1355061A1 (de) 2003-10-22
EP1355061B1 true EP1355061B1 (de) 2005-06-22

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EP03016782A Expired - Lifetime EP1355061B1 (de) 1997-06-07 1998-03-17 Einspritzventil, insbesondere Brennstoffeinspritzventil
EP98924016A Expired - Lifetime EP0917624B1 (de) 1997-06-07 1998-03-17 Verfahren zur herstellung einer lochscheibe für ein einspritzventil

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Application Number Title Priority Date Filing Date
EP98924016A Expired - Lifetime EP0917624B1 (de) 1997-06-07 1998-03-17 Verfahren zur herstellung einer lochscheibe für ein einspritzventil

Country Status (9)

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US (1) US6168099B1 (zh)
EP (2) EP1355061B1 (zh)
JP (1) JP2000517025A (zh)
KR (2) KR100570911B1 (zh)
CN (1) CN1151336C (zh)
AU (1) AU735559B2 (zh)
BR (1) BR9806040A (zh)
DE (3) DE19724075A1 (zh)
WO (1) WO1998057060A1 (zh)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19856920A1 (de) * 1998-12-10 2000-06-15 Bosch Gmbh Robert Brennstoffeinspritzventil
US6330981B1 (en) 1999-03-01 2001-12-18 Siemens Automotive Corporation Fuel injector with turbulence generator for fuel orifice
JP2000314360A (ja) * 1999-04-30 2000-11-14 Aisan Ind Co Ltd 燃料噴射弁
DE19947780A1 (de) 1999-10-02 2001-04-12 Bosch Gmbh Robert Verfahren zum Einstellen der Strömungsmenge an einem Brennstoffeinspritzventil
US6357677B1 (en) * 1999-10-13 2002-03-19 Siemens Automotive Corporation Fuel injection valve with multiple nozzle plates
WO2001057385A2 (en) 2000-02-02 2001-08-09 Siemens Automotive Corporation Combined filter and adjuster for a fuel injector
US6676044B2 (en) 2000-04-07 2004-01-13 Siemens Automotive Corporation Modular fuel injector and method of assembling the modular fuel injector
JP2002039036A (ja) 2000-07-24 2002-02-06 Mitsubishi Electric Corp 燃料噴射弁
JP3556899B2 (ja) * 2000-12-04 2004-08-25 三菱電機株式会社 燃料噴射弁
US6648247B2 (en) 2001-02-02 2003-11-18 Siemens Automotive Corporation Combined filter and adjuster for a fuel injector
US6676043B2 (en) 2001-03-30 2004-01-13 Siemens Automotive Corporation Methods of setting armature lift in a modular fuel injector
US6904668B2 (en) 2001-03-30 2005-06-14 Siemens Vdo Automotive Corp. Method of manufacturing a modular fuel injector
US7093362B2 (en) 2001-03-30 2006-08-22 Siemens Vdo Automotive Corporation Method of connecting components of a modular fuel injector
DE10118273A1 (de) * 2001-04-12 2002-10-17 Bosch Gmbh Robert Brennstoffeinspritzventil
US6513724B1 (en) 2001-06-13 2003-02-04 Siemens Automotive Corporation Method and apparatus for defining a spray pattern from a fuel injector
JP2003254190A (ja) * 2002-03-04 2003-09-10 Aisan Ind Co Ltd オリフィスプレート
US20050248060A1 (en) * 2002-06-28 2005-11-10 3M Innovative Properties Company Manufacture of valve stems
DE10314672B4 (de) * 2003-04-01 2016-12-22 Robert Bosch Gmbh Verfahren zur Herstellung einer Lochscheibe
DE10314670A1 (de) * 2003-04-01 2004-10-14 Robert Bosch Gmbh Verfahren zur Herstellung und Befestigung einer Lochscheibe
DE102004049281A1 (de) * 2004-10-09 2006-04-20 Robert Bosch Gmbh Brennstoffeinspritzventil
US20060200988A1 (en) * 2005-03-11 2006-09-14 Siemens Vdo Automotive Corporation Sandwich orifice disc
US7866574B2 (en) * 2007-01-22 2011-01-11 Caterpillar Inc. Remanufactured fuel injector tip and fuel injector tip remanufacturing process
JP4808801B2 (ja) 2009-05-18 2011-11-02 三菱電機株式会社 燃料噴射弁
DE102010029298A1 (de) * 2010-05-26 2011-12-01 Robert Bosch Gmbh Ventilanordnung zur Dosierung eines fluiden Mediums in einen Abgasstrang einer Brennkraftmaschine
JP5295337B2 (ja) 2011-10-19 2013-09-18 三菱電機株式会社 流体噴射弁による噴霧生成方法、流体噴射弁、及び噴霧生成装置
US8978364B2 (en) * 2012-05-07 2015-03-17 Tenneco Automotive Operating Company Inc. Reagent injector
JP2014009653A (ja) * 2012-07-02 2014-01-20 Mitsubishi Electric Corp 燃料噴射弁
DE102013020662A1 (de) * 2013-12-06 2015-06-11 Kienle + Spiess Gmbh Verfahren zur Herstellung von Lamellen für ein Lamellenpaket, insbesondere für elektrische Maschinen und Generatoren,Vorrichtung mit wenigstens einer Stanzpresse sowie nach dem Verfahren hergestellte Lamelle und Lamellenpaket.
JP6508477B2 (ja) * 2015-11-06 2019-05-08 株式会社デンソー 噴射弁
DE102016211446A1 (de) * 2016-06-27 2017-12-28 Robert Bosch Gmbh Verfahren zur Herstellung eines Injektors zum Einspritzen von Kraftstoff
CN110546375B (zh) * 2017-04-26 2021-11-23 三菱电机株式会社 燃料喷射阀
JP7136630B2 (ja) * 2018-08-23 2022-09-13 シチズンファインデバイス株式会社 流体噴霧プレートの製造方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854024A (en) 1986-12-04 1989-08-08 Siemens-Bendix Automotive Electronics L.P. Method of making multi-stream thin edge orifice disks for valves
US4923169A (en) 1987-12-23 1990-05-08 Siemens-Bendix Automotive Electronics L.P. Multi-stream thin edge orifice disks for valves
DE4123692C2 (de) * 1991-07-17 1995-01-26 Bosch Gmbh Robert Brennstoffeinspritzventil
DE4312756A1 (de) * 1993-04-20 1994-10-27 Bosch Gmbh Robert Vorrichtung zur Einspritzung eines Brennstoff-Gas-Gemisches
US5350119A (en) 1993-06-01 1994-09-27 Siemens Automotive L.P. Clad metal orifice disk for fuel injectors
US5435884A (en) * 1993-09-30 1995-07-25 Parker-Hannifin Corporation Spray nozzle and method of manufacturing same
US5484108A (en) 1994-03-31 1996-01-16 Siemens Automotive L.P. Fuel injector having novel multiple orifice disk members
US5570841A (en) 1994-10-07 1996-11-05 Siemens Automotive Corporation Multiple disk swirl atomizer for fuel injector
DE19503269A1 (de) * 1995-02-02 1996-08-08 Bosch Gmbh Robert Brennstoffeinspritzventil für Brennkraftmaschinen
DE19607266A1 (de) * 1995-03-29 1996-10-02 Bosch Gmbh Robert Lochscheibe, insbesondere für Einspritzventile und Verfahren zur Herstellung einer Lochscheibe
ES2179184T3 (es) * 1995-03-29 2003-01-16 Bosch Gmbh Robert Procedimiento para la fabricacion de un disco perforado.
DE19522284B4 (de) * 1995-06-20 2007-05-10 Robert Bosch Gmbh Brennstoffeinspritzventil
DE19527626A1 (de) * 1995-07-28 1997-01-30 Bosch Gmbh Robert Brennstoffeinspritzventil
JPH1018943A (ja) * 1996-07-05 1998-01-20 Aisan Ind Co Ltd 燃料噴射弁

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AU7637198A (en) 1998-12-30
CN1228139A (zh) 1999-09-08
DE19724075A1 (de) 1998-12-10
CN1151336C (zh) 2004-05-26
KR20000068027A (ko) 2000-11-25
EP0917624B1 (de) 2004-01-28
BR9806040A (pt) 1999-08-24
KR20050090470A (ko) 2005-09-13
JP2000517025A (ja) 2000-12-19
DE59812885D1 (de) 2005-07-28
AU735559B2 (en) 2001-07-12
KR100643558B1 (ko) 2006-11-13
US6168099B1 (en) 2001-01-02
WO1998057060A1 (de) 1998-12-17
EP1355061A1 (de) 2003-10-22
DE59810659D1 (de) 2004-03-04
EP0917624A1 (de) 1999-05-26
KR100570911B1 (ko) 2006-04-14

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