[go: up one dir, main page]

EP1407132B1 - Electrovanne a raccord tournant a douille - Google Patents

Electrovanne a raccord tournant a douille Download PDF

Info

Publication number
EP1407132B1
EP1407132B1 EP02750796A EP02750796A EP1407132B1 EP 1407132 B1 EP1407132 B1 EP 1407132B1 EP 02750796 A EP02750796 A EP 02750796A EP 02750796 A EP02750796 A EP 02750796A EP 1407132 B1 EP1407132 B1 EP 1407132B1
Authority
EP
European Patent Office
Prior art keywords
armature
solenoid valve
anchor
guide
shaped
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
EP02750796A
Other languages
German (de)
English (en)
Other versions
EP1407132A2 (fr
Inventor
Juergen Hanneke
Andreas Gaudl
George St. Anthony's Boys' School ANTHONY
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 EP1407132A2 publication Critical patent/EP1407132A2/fr
Application granted granted Critical
Publication of EP1407132B1 publication Critical patent/EP1407132B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means
    • 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/003—Valve inserts containing control chamber and valve piston

Definitions

  • Solenoid valves can be used on fuel injection systems for actuating fuel injectors be used.
  • the solenoid valves comprise a recessed into the injector body Electromagnet, which cooperates with an anchor group, the one Anchor bolt and an anchor plate comprises.
  • the anchor bolt is designed so that This is a closing body is added, the a drain of the nozzle needle of the Fuel injector actuated control chamber closes or releases.
  • To achieve a fast responding and accurate lifting movement of the anchor group upon excitation of the Electromagnet is a reliable and backlash-free connection of anchor plate and Anchor bolts for two-piece anchor assemblies or for anchor guide sleeve and anchor bolts required for one-piece anchors.
  • DE 199 36 943 A1 relates to a fuel injection valve which is one of an actuating device Having a valve needle body operable by means of a valve needle body, which cooperates with a valve seat surface to a sealing seat. Pressing the valve closing body To the valve seat surface via a return spring, which has an anchor plate and a valve needle body acts on the valve closing body.
  • the anchor disc is secured by a locking element to the valve needle body.
  • the locking element is made in two parts and can be made a mother and a lock nut exist.
  • DE 196 50 865 A 1 and WO 98/25025 relate to a solenoid valve.
  • Its anchor is designed in several parts.
  • the anchor comprises an anchor plate and an anchor bolt, which is guided in a slider.
  • This solenoid valve is determined for use in injection systems, in particular high-pressure injection systems such for example, those with high-pressure accumulator (common rail).
  • the damping device with the ringing of the first anchor part in its dynamic Displacement is dampable, comprises a first anchor part, the one in axial Has a directional approach that is complementary to the approach, fixedly arranged recess of the slider at a displacement of the first anchor member can dive.
  • the recess with the approach closes a damping chamber one which has a leakage gap connection with a discharge space surrounding it Has.
  • annular shoulder can be arranged on the anchor bolt, the part of a the first anchor part is enclosed and at the first anchor part also an annular shoulder is attached, between the and the annular shoulder of the anchor bolt constantly Damping space is included, in turn, a connection via a leakage gap to a surrounding relief space has.
  • the solution of the invention is characterized by its simplicity and its Robustness.
  • the assembly can be done easily without special tools; especially is an accurate adjustment of the components of the anchor group to each other possible.
  • By arranging an armature guide to the bolt-shaped anchor part in two-piece Execution of the anchor is given an extension of the anchor guide, so that a higher Guidance accuracy of the bolt-shaped anchor member can be achieved.
  • a higher one Fühivngsgenautechnik offers advantages in short successive switching operations of Solenoid valve on the fuel injector.
  • multi-part anchors can - about means a bayonet closure - a simple and safe to handle joining the first anchor assembly, after pre-assembly in an armature guide provided with guide sections can be admitted, done.
  • the components to be joined together can with the inventive solution in terms of security against rotation by component solid or additional measures are secured relative to each other in their rotational position. It is possible, on the one hand, into an opening in which the anchor components to be joined are twisted to each other to engage the portion of an elastic anchor spring.
  • An extension of the elastic armature spring can be configured in, for example, a longitudinal groove Recess protrude at the anchor guide. This is when operating one of two Components of the assembled armature assembly on the fuel injector ensure that the one another twisted and secured components remain in the twisted position and a trouble-free operation over a long time is guaranteed.
  • the assembly of the example performed grooved armature guide on the area of tapered diameter and twisting of the anchor bolt, until the stop surface and formed on the armature guide groove twisting the Anchor guide to the pre-assembled module, consisting of anchor plate and anchor bolt, prevent.
  • FIG. 1 shows a two-part armature assembly, in the armature plate and anchor bolt are provided with a lock washer.
  • FIG. 1 shows that in an injector body 1 a Fuel injector a nozzle needle / plunger assembly 2 provided in an injector body 1 Control room 3 is included.
  • the control chamber 3 is via an inlet throttle 4 acted upon by a control volume and is via a pressure-relieving the control chamber 3, 8 operable outlet throttle 7 aufberichtbar by a closing body.
  • a front page the nozzle needle / plunger assembly 2 protrudes into the control chamber 3, which of a Enclosed boundary wall 6.
  • a magnet sleeve 20 is formed on the electromagnet 19 of the solenoid valve 18th .
  • the magnet sleeve 20 is supported on a in a bore the injector body 2 inserted shim 21 from.
  • an external thread 22 is provided, with which one with a thereto correspond internally threaded magnetic clamping nut the electromagnet 19 and so that the solenoid valve 18 is fixed to the injector body 1.
  • Figures 2.1 and 2.2 show an anchor bolt with anti-rotation in plan view and in side view.
  • Figures 3.1 and 3.2 is a sectional view and shown in plan view to take an anchor plate. From the sectional view according to Figure 2.1 shows the anchor plate 36 comprises a central bore 37.
  • the central bore 37 is of an approximately rectangular configured opening 38 enclosed, the dimensions of which the dimensions of the approach surface 31 with surfaces 32 formed on the anchor bolt 30 corresponds.
  • FIG. 3.2 From the plan view of the anchor plate according to Figure 3.2 shows that the anchor plate 36 provided at its periphery with approximately triangular-shaped recesses 39 is.
  • the bore 37 in the anchor plate 36 is in a rectangularly configured opening 38th over, by which during joining by insertion and rotation of the anchor bolt 30th a pre-assembled anchor assembly is created. Seen in the radial direction, the run triangular configured recesses 39 on the circumference of the anchor plate 36 in individual Slots 40 off.
  • the illustration according to FIG. 4.1 shows a preassembled armature assembly from the anchor bolt 30 and the anchor plate 36.
  • the projection 31 on the anchor bolt 30 is rotated so that its surfaces 32 perpendicular to the plane run.
  • the approach 31 runs - as already mentioned - in a threaded section from, which enclosed in the illustration of Figure 4.1 by a valve spring 17 is.
  • Below the anchor plate 36 the anchor bolt 30 is enclosed by an armature guide 41.
  • the armature guide 41 is located on the annular stop surface 35th of the anchor bolt 30.
  • the armature guide 41 is seen in the longitudinal direction with a groove-shaped extending portions 42 and 43, namely, a first guide groove 42 and a second guide groove 43.
  • FIG 4.1 serves the second longitudinally extending longitudinal groove 43 for receiving an acting as anti-rotation 44 anchor spring.
  • the anchor spring intersperses the in Figure 4.1, not shown, opening 38 which is formed substantially rectangular (See illustration according to Figure 4.3).
  • Figure 4.2 shows a longitudinal section through the preassembled armature assembly, wherein the Anchor guide 41 is not shown for illustrative reasons.
  • valve spring 17 which acts on the anchor plate 36, is supported on the upper End face of the projection 31 from.
  • the trained as an anchor spring, for example, anti-rotation 44th extends parallel to the bore 37 of the anchor plate whose rectangular shape to the rectangular shape the approach 31 of the anchor bolt 30 with surfaces 32 corresponds.
  • the plan view as shown in Figure 4.3 is one of anchor bolt 30 and anchor plate 36 assembled and secured against rotation pre-assembled anchor assembly.
  • Assembly of anchor bolts 30 and anchor plate 36 are formed on the anchor bolt 30 Approach 31 and the bore 37 of the anchor plate 36 surrounding opening 38 in alignment aligned with each other, so that the anchor bolt 30 pushed through the anchor plate 36 can be.
  • the anchor plate 36 is formed with opening 38th twisted relative to the shoulder 31 of the anchor bolt 30 and in the opening 38 a rotation inserted in the form of an anchor spring which in one of the longitudinal grooves 42 and 43rd the armature guide 41 protrudes, but in the illustration 4.3, however, by the anchor plate 36th are covered.
  • the configured as an anchor spring anti-rotation 44 is a Twist of anchor bolt lug 31 and the opening 38 of the anchor plate 36 to each other prevented, so that the pre-assembled anchor assembly always remains attached as such.
  • FIG. 5 shows an integrally configured armature, which is characterized by a grooved armature guide in FIG enclosed in an injector housing.
  • a Nozzle needle 2 is received, which protrudes into a control chamber 3 of the injector body 1.
  • the nozzle needle / plunger assembly 2 is analogous to the known from the prior art Variant on the pressure prevailing in the control chamber 3 in the vertical direction in the injector body 1 actuated, wherein a pressure build-up in the control chamber 3 by an inlet throttle element 4, a pressure relief of the control chamber 3, however, by an operable outlet throttle 7 takes place.
  • the outlet throttle 7 is closed by means of a closing body 8, the by a shaped body 10 in the embodiment of the solution according to the invention is taken to Figure 5 on a one-piece anchor 45.
  • the one-piece configured armature 45 is an electromagnet 19 of the solenoid valve 18 comprising a magnet sleeve 20 resting on a dial 21 on the armature guide 41 is supported:
  • On the outside of the injector body 1 is analogous to the stand
  • the technique known variant provided an external thread on which a magnetic clamping nut is screwed on.
  • the magnetic clamping nut By means of the magnetic clamping nut is the magnetic sleeve 20, which encloses the electromagnet 19 of the solenoid valve 18, on the injector body 1 attached.
  • the one-piece armature 45 is through a the electromagnet 19 in a central bore passing valve spring 17 acted upon.
  • the one-piece anchor 45 includes an anchor plate 45.1, which merges in this anchor design in a bolt section 45.2. Of the bolt-shaped extending portion 45.2 of the integrally configured armature 45 is enclosed by a clamped in the injector 1 recorded anchor guide 41.
  • the armature guide 41 may be provided with longitudinal grooves 42 and 43, which the guide portions represent in which the one-piece configured anchor 45 when actuated through the solenoid valve 18 in the injector body 1 in the vertical direction up and down is.
  • a stop surface in the form of a groove 47th educated This groove 47 serves as a stop surface for a like a bayonet closure formed on the bolt-shaped portion 45.2 of the one-piece armature 45 flattening 46.
  • the flattening 46 Below the flattening 46 is the already mentioned shaped body 10, the closing body 8, with which the outlet throttle 7 of the control chamber 3 is closed will, surround.
  • the one-piece anchor 45 shown in Figure 5 is with the surrounding anchor guide 41 joined such that first the one-piece armature 45 is rotated so that the flattening 46 to the bore of the armature guide 41 is aligned, which is formed in a rotational position is that the armature guide 41 is pushed onto the bolt part 45.2 of the one-piece armature 45 can be. After pushing the armature guide 41 is rotated until the flattening 46 engages in the stop surface 47 formed on the armature guide.
  • the inlet throttle 4 which the control room. 3 in the interior of the injector body 1 with control volume applied, via an obliquely in the Injector body 1 opening fuel supply is acted upon, in which a filter element is admitted.
  • FIG. 6.1 shows a slotted anchor plate.
  • anchor plate 36 is at its periphery with one or more triangular recesses 39 provided at its radially on the symmetry line the anchor plate 36 tapered end are provided with a slot 40 (see. Representation according to Figure 3).
  • the anchor plate 36 includes a bore 37, which has a slot-shaped Opening 48 expires in the triangular recess 39.
  • a first contact surface 49 and a second contact surface 50 of the slot-shaped recess 48th are dimensioned so that the distance to each other is less than the diameter of the bore 37.
  • the two remaining, formed on the circumference of the anchor plate 36 triangular Recesses 39 are in their bore 37 respectively facing side also provided with slots 40, analogous to the representation of the anchor plate 36 according to the figure 3.2.
  • Figure 6.2 shows the detailed representation of a pre-assembled anchor group.
  • This diameter is in the lower region of the anchor bolt 30 in a Area of tapered diameter about. In this area will be tapered diameter when mounting the armature assembly first provided with the slot 48 anchor plate 36 pushed and then upwards towards the stop 31 of the anchor bolt 30 attached to this, pushed.
  • This assembly step is followed by assembly the armature guide 41, which is configured in its lower region with a groove 47 as a groove Stop surface is provided.
  • the anchor guide becomes like a bayonet catch 41 initially rotated on the anchor bolt 30 with the stop surface 46 in alignment. Then done a sliding of the armature guide 41 to the region of tapered diameter of the anchor bolt 30th
  • anchor bolt 30 and anchor guide 41 can prevent rotation of this preassembled Assembly without additional security elements done. It's just for that Take care - for example, by installing a biasing element between anchor plate 36 and end face of the armature guide 41 - that the flattening 46 always in contact the wall of the lower groove 47 is held on the armature guide 41.
  • the components 36 and 41 may be designated at a reference numeral 15 Distance at the anchor bolt 30 are held apart.
  • FIG. 6.4 shows the section A-A according to the illustration in FIG. 6.2.
  • the armature guide 41 is formed on its inner guide Inner groove sections 53 includes.
  • the anchor bolt 30 this is so turned that its abutment surface 35 through the réellenutabête 53 of the armature guide 41 can be performed.
  • a rotation of the anchor bolt 30 takes place such that the abutment surface 35 with formed thereon flattening 46 by about 90 ° according to the Representation in Figure 6.4 to the inner guide portions 53 rotates.
  • the flats 46 the abutment surface 35 thus abut against the lower groove 47 of the armature guide 41.
  • Figure 6.5 shows the anchor bolt 30 formed thereon approach 31 in a comparison to its mounted position in Figure 6.2 rotated by 90 ° position. Compared to the position of the anchor bolt 30 shown in Figure 6.2 is this in the illustration according to Figure 6.5 is rotated such that the flats 46 on the stop surface 35 perpendicular to the drawing level. In this position, the anchor bolt is included with it Anchor plate 36 through the inner guide portions 53 of the armature guide 41st feasible and therefore mountable. Since the groove depth of the lower groove 47 is sized larger than the stroke of the mounted anchor group, is always an anti-rotation during operation the anchor bolt relative to the anchor guide ensured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne une électrovanne pour injecteur de carburant destiné à l'injection de carburant dans la chambre de combustion d'un moteur à combustion interne, comprenant un corps d'injecteur (1) entourant un électroaimant (19). Un groupe d'armature de l'électrovanne (18) peut être actionné avec celui-ci en vue de libérer la pression dans un espace de commande (3), de telle façon qu'un dispositif aiguille d'injecteur/poussoir (2) dans le corps d'injecteur (1) effectue un mouvement d'ouverture/fermeture. Le groupe d'armature renferme un premier et un second élément d'armature. L'invention est caractérisée en ce que le premier élément d'armature (30, 45.2) et le second élément d'armature (36, 45.1) sont assemblés entre eux au moyen d'un raccord tournant/connecteur à douille (31, 38 ; 47), et en ce que l'un des éléments d'armature (30, 45.2 ; 36, 45.1) est enveloppé par un guide d'armature (41) contenant des moyens de blocage rotatifs (42, 43, 52).

Claims (10)

  1. Soupape électromagnétique pour un injecteur de carburant injectant du carburant dans la chambre de combustion d'un moteur à combustion interne comprenant un corps d'injecteur (1) muni d'un électroaimant (19) qui actionne un groupe d'induit de la soupape électromagnétique (18) pour la décharge en pression d'une chambre de commande (3) en déplaçant un dispositif aiguille d'injecteur/poussoir dans le corps d'injecteur (1), le groupe d'induit comprenant une première et une seconde partie,
    caractérisée en ce que
    le groupe d'induit comporte une partie en forme de plaque (36, 45.1) et une partie en forme de goujon (30, 45.2), ces deux parties étant assemblées par une liaison d'enflchage et de rotation (31, 38 ; 47).
  2. Soupape électromagnétique selon la revendication 1,
    caractérisée en ce que
    l'une des parties (30, 45.2 ; 36, 45.1) est entourée par un moyen de guidage d'induit (41) comportant des guides (42, 43, 52) et le guide d'induit (41) comporte des segments de guidage (42, 43, 52) s'étendant dans la direction longitudinale de la partie d'induit (30, 45.2) en forme de goujon.
  3. Soupape électromagnétique selon la revendication 2,
    caractérisée en ce que
    les segments de guidage (42, 43, 52) sont réalisés sous la forme de rainures longitudinales dans le moyen de guidage d'induit (41).
  4. Soupape électromagnétique selon la revendication 1,
    caractérisée en ce que
    la partie d'induit (30, 45.2) en forme de goujon comporte une surface de butée (35, 46) à son extrémité tournée vers la chambre de commande (3).
  5. Soupape électromagnétique selon la revendication 1,
    caractérisée en ce que
    le groupe d'induit (30, 45.1 ; 36, 45.2) est sollicité par un ressort de soupape (17) dans le sens de la fermeture et son extrémité tournée vers la chambre de commande (3) comporte un corps de forme (10) entourant un organe de fermeture (8).
  6. Soupape électromagnétique selon la revendication 1,
    caractérisée en ce que
    la partie d'induit (30) en forme de goujon d'un induit en deux parties (30, 36) comporte un épaulement (31) avec des surfaces d'appui (32).
  7. Soupape électromagnétique selon la revendication 6,
    caractérisée en ce que
    la partie d'induit (36) en forme de plaque de l'induit (30, 36) en deux parties a un orifice (38) correspondant à la forme de l'épaulement (31).
  8. Soupape électromagnétique selon la revendication 7,
    caractérisée en ce que
    la partie d'induit en forme de goujon (30) et la partie d'induit (36) en forme de plaque de l'induit en deux parties (30, 36) sont fixées par un moyen de blocage en rotation (44) traversant l'ouverture (38) et logé dans le moyen de guidage (42, 43) du moyen de guidage d'induit (41).
  9. Soupape électromagnétique selon la revendication 1,
    caractérisée en ce que
    la partie d'induit (30) en forme de goujon comporte un segment de faible diamètre qui correspond à la distance entre la première et la seconde surface d'appui (49, 50) d'une ouverture (48) dans la partie d'induit (36) en forme de plaque.
  10. Soupape électromagnétique selon la revendication 9,
    caractérisée par
    une liaison de type liaison à baïonnette (51) entre la rainure (47) du moyen de guidage d'induit (41) et la partie aplatie (46) de la première partie d'induit en forme de goujon (30) pour des induits en deux parties (30, 36).
EP02750796A 2001-07-10 2002-06-19 Electrovanne a raccord tournant a douille Expired - Lifetime EP1407132B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10133450A DE10133450A1 (de) 2001-07-10 2001-07-10 Magnetventil mit Steck-Drehverbindung
DE10133450 2001-07-10
PCT/DE2002/002234 WO2003006817A2 (fr) 2001-07-10 2002-06-19 Electrovanne a raccord tournant a douille

Publications (2)

Publication Number Publication Date
EP1407132A2 EP1407132A2 (fr) 2004-04-14
EP1407132B1 true EP1407132B1 (fr) 2005-09-14

Family

ID=7691257

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02750796A Expired - Lifetime EP1407132B1 (fr) 2001-07-10 2002-06-19 Electrovanne a raccord tournant a douille

Country Status (6)

Country Link
US (1) US6874706B2 (fr)
EP (1) EP1407132B1 (fr)
JP (1) JP2004521269A (fr)
KR (1) KR100880481B1 (fr)
DE (2) DE10133450A1 (fr)
WO (1) WO2003006817A2 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004050992A1 (de) 2004-10-20 2006-04-27 Robert Bosch Gmbh Magnetventilbetätigter Kraftstoffinjektor mit hydraulischem Überhubanschlag
DE102005053115A1 (de) * 2005-11-08 2007-05-10 Robert Bosch Gmbh Optimierte Ankergruppenführung für Magnetventile
JP4840145B2 (ja) * 2006-01-17 2011-12-21 株式会社デンソー 電磁弁装置
US7735751B2 (en) * 2006-01-23 2010-06-15 Kimberly-Clark Worldwide, Inc. Ultrasonic liquid delivery device
US7424883B2 (en) * 2006-01-23 2008-09-16 Kimberly-Clark Worldwide, Inc. Ultrasonic fuel injector
US7819335B2 (en) * 2006-01-23 2010-10-26 Kimberly-Clark Worldwide, Inc. Control system and method for operating an ultrasonic liquid delivery device
US8191732B2 (en) 2006-01-23 2012-06-05 Kimberly-Clark Worldwide, Inc. Ultrasonic waveguide pump and method of pumping liquid
US7744015B2 (en) * 2006-01-23 2010-06-29 Kimberly-Clark Worldwide, Inc. Ultrasonic fuel injector
US7963458B2 (en) 2006-01-23 2011-06-21 Kimberly-Clark Worldwide, Inc. Ultrasonic liquid delivery device
US8028930B2 (en) * 2006-01-23 2011-10-04 Kimberly-Clark Worldwide, Inc. Ultrasonic fuel injector
US7810743B2 (en) * 2006-01-23 2010-10-12 Kimberly-Clark Worldwide, Inc. Ultrasonic liquid delivery device
DE102006045357A1 (de) * 2006-09-26 2008-04-03 Robert Bosch Gmbh Sicherungsscheibe für ein Magnetventil
DE102007001550A1 (de) * 2007-01-10 2008-07-17 Robert Bosch Gmbh Injektor zum Einspritzen von Kraftstoff
US7533830B1 (en) 2007-12-28 2009-05-19 Kimberly-Clark Worldwide, Inc. Control system and method for operating an ultrasonic liquid delivery device
JP4637930B2 (ja) 2008-05-22 2011-02-23 三菱電機株式会社 燃料噴射弁
DE102008002528A1 (de) * 2008-06-19 2009-12-24 Robert Bosch Gmbh Kraftstoff-Injektor
US7866575B2 (en) * 2009-01-12 2011-01-11 GM Global Technology Operations LLC Pressure actuated fuel injector
EP2218901B1 (fr) * 2009-02-16 2011-06-29 C.R.F. Società Consortile per Azioni Procédé pour la fabrication d'un élément d'ouverture/fermeture pour servovalves d'un injecteur de carburant
ATE505642T1 (de) * 2009-02-16 2011-04-15 Fiat Ricerche Verfahren zur herstellung eines öffnen/schliessen-elements für ausgeglichene servoventile von kraftstoffeinspritzdüsen
EP2241743B1 (fr) * 2009-04-14 2014-07-02 Continental Automotive GmbH Ensemble de soupape pour soupape d'injection et soupape d'injection
KR100986586B1 (ko) * 2010-03-24 2010-10-11 (주) 경일메가소닉 초음파 진동자
DE102010039048A1 (de) * 2010-08-09 2012-02-09 Robert Bosch Gmbh Einspritzvorrichtung
DE102011090006B4 (de) * 2011-12-28 2015-03-26 Continental Automotive Gmbh Ventil
DE102013220877A1 (de) * 2013-10-15 2015-04-16 Continental Automotive Gmbh Ventil
EP3167632A1 (fr) * 2014-07-11 2017-05-17 Telefonaktiebolaget LM Ericsson (publ) Procédé, système et dispositif destinés à demander des services sur un réseau mobile pour l'un d'une pluralité d'équipements utilisateurs mobiles.
EP3287632A1 (fr) * 2016-08-23 2018-02-28 Continental Automotive GmbH Ensemble de soupape pour soupape d'injection et soupape d'injection
DE102017000911B3 (de) * 2017-02-02 2018-06-28 L'orange Gmbh Anordnung
US10539250B2 (en) * 2018-04-24 2020-01-21 Honeywell International Inc. High vibration, high cycle, pulse width modulated solenoid
US10943720B2 (en) 2018-08-13 2021-03-09 Honeywell International Inc. Solenoid including armature anti-rotation structure

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT220662Z2 (it) * 1990-10-31 1993-10-08 Elasis Sistema Ricerca Fita Nel Mezzogiorno Soc.Consortile P.A. Perfezionamenti alla valvola pilota e alla relativa ancora di comando odi un iniettore elettromagnetico per sistemi di iniezione del combustibile di motori a combustione interna
IT1257958B (it) * 1992-12-29 1996-02-19 Mario Ricco Dispositivo di registrazione di una valvola di dosaggio a comando elettromagnetico, per un iniettore di combustibile
DE19650865A1 (de) 1996-12-07 1998-06-10 Bosch Gmbh Robert Magnetventil
IT239878Y1 (it) * 1996-12-23 2001-03-13 Elasis Sistema Ricerca Fiat Perfezionamenti ad una valvola di dosaggio a comando elettromagneticoper un iniettore di combustibile.
DE19832826C2 (de) * 1998-07-21 2000-08-17 Bosch Gmbh Robert Montageverfahren für Kraftstoff-Einspritzventil und Vorsteuerventil sowie Kraftstoff-Einspritzventil
US6056264A (en) * 1998-11-19 2000-05-02 Cummins Engine Company, Inc. Solenoid actuated flow control valve assembly
DE19936943A1 (de) * 1999-08-05 2001-02-08 Bosch Gmbh Robert Brennstoffeinspritzventil
US6237857B1 (en) * 1999-08-11 2001-05-29 Caterpillar Inc. Three-way actuation control of a hydraulically actuated fuel injector

Also Published As

Publication number Publication date
WO2003006817A2 (fr) 2003-01-23
EP1407132A2 (fr) 2004-04-14
JP2004521269A (ja) 2004-07-15
KR100880481B1 (ko) 2009-01-28
US20040026645A1 (en) 2004-02-12
DE50204274D1 (de) 2005-10-20
DE10133450A1 (de) 2003-01-30
KR20030036767A (ko) 2003-05-09
US6874706B2 (en) 2005-04-05
WO2003006817A3 (fr) 2003-04-10

Similar Documents

Publication Publication Date Title
EP1407132B1 (fr) Electrovanne a raccord tournant a douille
EP1307648B1 (fr) Soupape d'injection de carburant
EP2156046B1 (fr) Ajustement de trajet d'armature pour électrovanne
EP1118765A2 (fr) Injecteur de combustible pour moteur à combustion interne
EP2092187B1 (fr) Injecteur pour l'injection de carburant
WO2008049669A1 (fr) Injecteur avec une soupape de commande à compensation de pression axiale
EP2078157B1 (fr) Injecteur de carburant comprenant une plaque d'étranglement et une vanne magnétique
WO2007073968A1 (fr) Injecteur de carburant pour moteur a combustion interne ainsi que procede de fabrication d'une soupape de commande pour injecteur de carburant
EP0597249B1 (fr) Dispositif d'injection de combustible, in particulier pompe-injecteur pour moteurs à combustion interne
WO2010009932A1 (fr) Injecteur de combustible
WO2008049671A1 (fr) Injecteur de carburant
EP1350025B1 (fr) Liaison entre un induit et un pointeau de soupape d'une soupape d'injection de carburant
EP1960657A1 (fr) Guide a deformation optimisee de l'induit de soupapes magnetiques
WO2006042798A1 (fr) Injecteur de carburant actionne par vanne magnetique, comprenant une butee hydraulique de depassement de course
DE19936943A1 (de) Brennstoffeinspritzventil
DE10232718A1 (de) Ankerbaugruppe für Kraftstoffinjektoren
DE10132246A1 (de) Kraftstoffinjektor mit hochdruckfestem Zulauf
WO2008049667A1 (fr) Injecteur pour injecter du carburant dans des chambres de combustion de moteurs à combustion interne
EP2473728A1 (fr) Injecteur servant à injecter du carburant
WO2003081021A1 (fr) Dispositif d'amortissement des vibrations sur un systeme d'injection de carburant comportant un accumulateur haute pression
DE3843235A1 (de) Kraftstoff-einspritzduese fuer brennkraftmaschinen
DE3841010A1 (de) Elektromagnetisch betaetigbares ventil
DE3311268C1 (de) Elektromagnetisch betätigtes Ventil, insbesondere für Flammstartanlagen an Nutzfahrzeug-Brennkraftmaschinen
WO2018091287A1 (fr) Injecteur de carburant
EP2653712A1 (fr) Injecteur de carburant avec électrovanne

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

17P Request for examination filed

Effective date: 20040210

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

17Q First examination report despatched

Effective date: 20040910

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIN1 Information on inventor provided before grant (corrected)

Inventor name: HANNEKE, JUERGEN

Inventor name: GAUDL, ANDREAS

Inventor name: ANTHONY, GEORGEST. ANTHONY'S BOYS' SCHOOL

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

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: 50204274

Country of ref document: DE

Date of ref document: 20051020

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20060104

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: 20060615

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20110630

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20110621

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20110627

Year of fee payment: 10

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20120619

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 NON-PAYMENT OF DUE FEES

Effective date: 20120619

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20130228

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: 20120702

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120619

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20130828

Year of fee payment: 12

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50204274

Country of ref document: DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50204274

Country of ref document: DE

Effective date: 20150101

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: 20150101