EP0897469B1 - Vanne electromagnetique - Google Patents

Vanne electromagnetique Download PDF

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Publication number
EP0897469B1
EP0897469B1 EP97951790A EP97951790A EP0897469B1 EP 0897469 B1 EP0897469 B1 EP 0897469B1 EP 97951790 A EP97951790 A EP 97951790A EP 97951790 A EP97951790 A EP 97951790A EP 0897469 B1 EP0897469 B1 EP 0897469B1
Authority
EP
European Patent Office
Prior art keywords
valve
solenoid valve
armature
injection
bolt
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
EP97951790A
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German (de)
English (en)
Other versions
EP0897469A1 (fr
Inventor
Peter Baumgartner
Eugen Drummer
Johannes Renner
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
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Publication of EP0897469A1 publication Critical patent/EP0897469A1/fr
Application granted granted Critical
Publication of EP0897469B1 publication Critical patent/EP0897469B1/fr
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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • 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
    • F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating 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
    • 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
    • F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
    • F02M63/0021—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures
    • F02M63/0022—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures the armature and the valve being allowed to move relatively to each other
    • 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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
    • 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
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
    • F02M63/022—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine by acting on fuel control mechanism
    • 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
    • F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic 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

  • the invention relates to a solenoid valve according to the Genus of the main claim.
  • a solenoid valve is known from EP 0 690 223 A2. This will be there for control an electrically controlled fuel injection valve used.
  • the valve needle of the fuel injection valve is in this case of prevailing in a control room pressure in Closing direction loaded.
  • the solenoid valve works in known manner so that it is to initiate the injection a discharge of the control room initiates when the magnet of the solenoid valve is energized and thus the valve needle of the Injection valve under the action of the other hand on her acting high pressure is lifted from its seat.
  • Solenoid valve the armature is firmly connected to an anchor bolt, on which in turn the valve member of the solenoid valve sitting.
  • the disadvantage of the known solenoid valve is that it in operation to a swinging of the anchor and / or bouncing the valve member may come, which is particularly disadvantageous is when a fast switching sequence of the solenoid valve is required and controlled by the solenoid valve a divided into a pilot injection and main injection Injection should be made.
  • EP 0 753 658 A1 is a solenoid valve for control an injection valve of a fuel injection device known.
  • This solenoid valve has an electromagnet with Magnetic pole, an anchor in one with fuel filled space is arranged and moved with the anchor and of a valve closing spring in the closing direction acted upon valve member.
  • This valve member cooperates with a valve seat, wherein the armature relative to a, connected to the valve closing member intermediate part, the in a stationary in the solenoid valve arranged slider is guided, is displaceable. This shift of the anchor takes place in the closing direction of the valve member under the action its inertial mass against a restoring force.
  • the solenoid valve with the characterizing features of Main claim has the advantage that a Bouncing the valve member at its seat and a undefined ringing of the armature can be prevented so that after closing the solenoid valve the Valve member maintains its closed position and the anchor after a deliberate first evasive movement quickly his again Rest position reached before the main injection starts.
  • FIG. 1 shows a partial section through an electrical controlled injection valve 1 as it is, for example
  • One such injector is for use in a fuel injection system determined with a high-pressure fuel storage equipped by a high-pressure pump continuously supplied with high-pressure fuel and from this fuel under injection pressure via individual electrically controlled injectors of Internal combustion engine can be supplied. That in part and Injector 1 shown in section has an injection valve housing 4 on with a longitudinal bore 5, in the a valve piston 6 is received, which at its one End acts on a valve needle, not shown, which in turn, in known, e.g. in the aforementioned EP 0 690 223 shown with injection ports of the Fuel injection valve cooperates.
  • valve piston 6 is at its not shown Valve needle opposite end in a cylinder bore 11 out, which is introduced in a valve piece 12 is.
  • the end 13 closes of the valve piston a control pressure chamber 14, which is constantly via a radial through the wall of the valve piece leading Throttle bore 15 with a valve piece on the circumference surrounding annular space 16 is connected, which is also in permanent connection with the connecting piece 9 is and the in the high-pressure fuel storage prevailing high fuel pressure is exposed.
  • valve piece 12 Coaxially to the valve piston 6 branches from the control pressure chamber fourteenth a running in the valve piece 12 bore 17 from which a Relief throttle 18 contains and in a discharge space 19 opens, the here in a manner not shown with a fuel return of the injection valve is connected.
  • the exit of the bore 17 from the valve piece takes place in Area of a tapered countersunk part 21 of the outer Front side of the valve piece 12.
  • the valve piece 12 is in a flange 22 fixed over a Screw member 23 clamped to the valve housing 4.
  • valve member 25 and the anchor plate 28 are located itself as a stop member an annular shoulder 33 on the anchor bolt 27, the energized solenoid on the flange 32 of the Geleit Cultures 34 abuts and so the opening stroke of the valve member 25 limited.
  • a shim 38 inserted to adjust the opening stroke.
  • the opening and closing of the valve needle is in the following Way controlled by the solenoid valve.
  • closed position of the solenoid valve member 25 is the control pressure chamber 14 to Relief side 19 closed, so that over there the inlet via the throttle 15 very quickly the high pressure which also in the high-pressure fuel storage pending.
  • Over the surface of the end face 13 generates the pressure in the control pressure chamber 14, a closing force on the valve needle, which is larger than the other in the opening direction in Result of the upcoming high pressure acting forces.
  • the Control pressure chamber 14 by opening the solenoid valve to the discharge side 19 open the pressure builds in the small volume of the control pressure chamber 14 very quickly, because of this via the throttle bore 15 from the high pressure side disconnected.
  • the trailing anchor plate also generates a the compression of the return spring 35 increasing dynamic force on the valve member, which is the valve member additionally sturdy holds at its seat and the bouncing counteracts. With the compression of the return spring 35 this is decoupled from the closing spring, so that the full Biasing force of the closing spring acts on the valve member.
  • the tracking can then disadvantageously a considerable swinging of the anchor plate 28 against the Return spring 35 generate, so that the position of the Anchor plate at an immediately afterwards required Actuation of the valve member is undefined and turn on of the solenoid valve not fast enough and with reproducible constant switching time takes place.
  • FIG. 1 shows only the from the Figure 1 apparent part of the anchor bolt 27 'with the Anchor plate 28 'and the slider 34'.
  • the anchor plate closes as in the embodiment of Figure 1 plane-parallel to the pole 61 (see FIG. 3) of the electromagnet 29 and goes into a greatly shortened guide sleeve 39 ' over which slides on the anchor bolt 27 '.
  • the glide path of Anchor plate will turn on one side by a Stop, now in the form of an end-face head 36 am Anchor bolt 27 ', and on the other side by the plant of the guide stub 39 'with its end face 40 on the Front side 41 of the slider 34 'limited.
  • the compression spring 35 normally holds the anchor plate 28 'in abutment with the Head 36 as shown in FIG.
  • the front sides 40 and 41 make with increasing approach to a dynamic triggered displacement of the anchor plate on the anchor bolt between them a nip that is in the fuel filled space in the housing of the solenoid valve a drag generated, which counteracts the movement of the anchor plate.
  • This counterforce is the more effective the lower the kinetic energy of the anchor plate as it approaches the slider 34 'is.
  • the size of the restoring force a possibly provided return spring and the size of the Moving surfaces can approach one another the anchor plate can be optimized for given periods. The given period is, e.g. between one Pre-injection and a main injection, in front of the Anchor plate reaches a reproducible secured position should have.
  • the slider 134 is configured to that there is a shoulder 53 of the injection valve body overlaps.
  • a first shim 54 which has a recess 55 for implementation of the anchor bolt 127 and between the Shoulder 53 and flange 132 is still a second dial 57 provided.
  • the first dial is through an end face 56 of the solenoid valve housing 37 on the Flange 132 pressed and over this and the second Adjusting washer on the shoulder 53 of the injection valve pressed, so that the shims and the Slider fixed together fixed.
  • Thickness of the second dial is the distance of the Slider 134 adjustable from the valve seat 24, so that through the determination of the front side of the slider 134 for Appendix coming annular shoulder 33 the maximum opening stroke the valve member 25 of the solenoid valve can be adjusted can.
  • the path 62 is set, the anchor plate against the force of the return spring after placing the Valve member 25 on the valve seat 24 during the closing operation the solenoid valve can cover.
  • Adjustment also affects the residual air gap 60.
  • this first dial 54 will be advantageous also provided two slices at this point, an outer, the residual air gap determining disc and an inner, the off the anchor plate determining disk loosing there can be inserted.
  • this inner Disc also by the return spring 135 in contact with the Slips 134 are kept to an uncontrolled To prevent wandering of the disc.
  • the return spring 335 is no longer between the Anchor and the first shim 54 is arranged but between a spring plate 70, on which the closing spring 31 seated and the stop ring 26.
  • the stop ring 26 is designed as inserted into an annular groove 71 ring, wherein between the stop ring and the axial boundary of Ring groove 71 a game 72 is provided. This game is in the magnitude of the path 62 between armature 28 and Shim 54.
  • the return spring 335 extends while the length of a federal 73, which is attached to the annular groove 71 connects to the side of the closing spring out and the Edition of the spring plate 70 forms.
  • the spring 335 can also be dispensed with entirely, if of it is assumed that by the intrinsic weight of the armature of this always the lower position at the first Shim is reached. Furthermore supports a Residual magnetic force between armature and shim 54 the Fixing the anchor in contact with the adjusting washer.

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

Abstract

L'invention concerne une vanne électromagnétique (30), dont l'induit (28, 27) est conçu en plusieurs parties et présente un disque (28) et un boulon (27) guidé dans un élément coulissant (34). Afin d'éviter une oscillation du disque (28) après la fermeture de la vanne électromagnétique (30), il est prévu une unité d'amortissement sur l'induit (28). Cette unité permet de respecter avec précision les exigences de temps de commutation brefs de la vanne électromagnétique. Cette vanne électromagnétique (30) est destinée en particulier à des systèmes d'injection par accumulation de pression.

Claims (9)

  1. Electrovanne (30) pour la commande d'un injecteur d'un dispositif d'injection de carburant, comportant une aiguille de soupape, dont l'ouverture et la fermeture sont commandées par électrovanne, un électroaimant (29) avec pôle magnétique (61), un induit (28) disposé dans une chambre remplie de carburant et un organe de soupape (25) mobile avec l'induit et pouvant être sollicité dans la direction de fermeture par un ressort de fermeture de soupape (31), et qui coopère avec un siège de soupape (24), l'induit étant mobile, par rapport à une partie intermédiaire (27) configurée sous forme de boulon (27), reliée à l'organe de fermeture de soupape et guidée de façon coulissante dans un coulisseau disposé fixement dans l'électrovanne, dans la direction de fermeture de l'organe de soupape (25) sous l'action de sa masse inerte à l'encontre d'une force de rappel, pour s'éloigner d'une butée côté pôle sur le boulon, alors qu'un dispositif d'amortissement coopérant avec l'induit et une partie fixe et fonctionnant avec le refoulement de carburant, permet d'amortir une oscillation ultérieure de l'induit (28) lors de son déplacement dynamique, caractérisée en ce que
    la partie fixe du dispositif d'amortissement est une partie disposée avant le coulisseau, de préférence configurée sous forme de disque, sur laquelle l'induit vient buter avec sa face frontale lors de son déplacement dynamique.
  2. Electrovanne selon la revendication 1,
    caractérisée en ce que
    l'induit est mobile en s'éloignant d'une butée côté pôle sur le boulon, sur la partie intermédiaire configurés sous forme de boulon (27), la partie intermédiaire étant guidée de façon coulissante dans un coulisseau disposé fixement dans l'électrovanne.
  3. Electrovanne selon la revendication 2,
    caractérisée en ce que
    l'induit est configuré sous la forme d'une plaque d'induit coopérant avec le pôle magnétique (61), avec une première face frontale tournée vers le pôle magnétique (61) de l'électroaimant et une deuxième face frontale tournée vers la partie fixe, la deuxième face frontale formant avec la partie fixe le dispositif d'amortissement.
  4. Electrovanne selon la revendication 3,
    caractérisée en ce que
    l'induit présente une tige, qui relie la plaque d'induit à une partie de butée, dont la face frontale, en tant que deuxième face frontale de l'induit, forme une surface plane, entre laquelle et la partie fixe plane se forme approximativement une fente de passage amortissante à action hydraulique.
  5. Electrovanne selon la revendication 4,
    caractérisée en ce que
    la partie de butée s'élargit à la façon d'un collet à partir du diamètre de la tige.
  6. Electrovanne selon l'une des revendications précédentes,
    caractérisée en ce que
    le siège de soupape de l'électrovanne est fixé dans un boítier de soupape d'injection, l'électroaimant de l'électrovanne est disposé dans un boítier fixement placé dans le boítier de la soupape d'injection, le coulisseau présentant une butée sur laquelle vient buter une partie de butée côté organe de soupape du boulon lors de la course d'ouverture maximale de l'organe de soupape, et on place avant le coulisseau un disque de réglage dont l'épaisseur permet de régler un entrefer restant qui se trouve entre l'induit et le pôle magnétique (61) de l'électroaimant, lorsque, l'électroaimant étant excité, l'organe de soupape de l'électrovanne se trouve dans la position ouverte.
  7. Electrovanne selon la revendication 6,
    caractérisée en ce que
    le disque de réglage forme dans le même temps la partie fixe du dispositif d'amortissement.
  8. Electrovanne selon la revendication 7,
    caractérisée en ce qu'
    outre le disque de réglage, un disque supplémentaire, qui sert de partie fixe et permet le réglage du trajet de déplacement maximal de l'induit dans la direction de fermeture de la soupape sur le boulon, est soutenu avec le boítier de l'électrovanne et avec le boítier de la soupape d'injection.
  9. Electrovanne selon l'une des revendications 6 à 8,
    caractérisée en ce que
    le disque de réglage et/ou le disque supplémentaire est soutenu fixement avec le boítier de la soupape d'injection entre un collet du coulisseau et le boítier de l'électrovanne de façon couchée sur celle-ci, et pour le réglage de la position du coulisseau et donc le réglage de la course maximale de l'organe de soupape, un deuxième disque de réglage est placé entre le boítier de la soupape d'injection et le collet du coulisseau.
EP97951790A 1997-02-28 1997-11-20 Vanne electromagnetique Expired - Lifetime EP0897469B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19708104A DE19708104A1 (de) 1997-02-28 1997-02-28 Magnetventil
DE19708104 1997-02-28
PCT/DE1997/002723 WO1998038426A1 (fr) 1997-02-28 1997-11-20 Vanne electromagnetique

Publications (2)

Publication Number Publication Date
EP0897469A1 EP0897469A1 (fr) 1999-02-24
EP0897469B1 true EP0897469B1 (fr) 2005-02-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97951790A Expired - Lifetime EP0897469B1 (fr) 1997-02-28 1997-11-20 Vanne electromagnetique

Country Status (8)

Country Link
US (1) US6161813A (fr)
EP (1) EP0897469B1 (fr)
JP (1) JP4067571B2 (fr)
KR (1) KR100558588B1 (fr)
BR (1) BR9708965A (fr)
DE (2) DE19708104A1 (fr)
RU (1) RU2209337C2 (fr)
WO (1) WO1998038426A1 (fr)

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DE19839522C1 (de) * 1998-08-29 1999-12-30 Daimler Chrysler Ag Für eine Brennkraftmaschine vorgesehene Steckpumpe mit integriertem Magnetventil
US6724757B1 (en) * 1999-01-15 2004-04-20 Cisco Technology, Inc. Configurable network router
DE19937559A1 (de) 1999-08-09 2001-03-01 Bosch Gmbh Robert Zweistufiges Magnetventil in kompakter Bauweise für einen Injektor eines Einspritzsystems für Brennkraftmaschinen
DE19938921B4 (de) * 1999-08-17 2004-02-19 L'orange Gmbh Einspritzventil für eine Verbrennungskraftmaschine
DE19948238A1 (de) * 1999-10-07 2001-04-19 Bosch Gmbh Robert Brennstoffeinspritzventil
DE19949814A1 (de) * 1999-10-15 2001-04-19 Bosch Gmbh Robert Druckregelventil für ein Speicherkraftstoffeinspritzsystem für Brennkraftmaschinen
DE19950779A1 (de) * 1999-10-21 2001-04-26 Bosch Gmbh Robert Hochdruckkraftstoffinjektor mit hydraulisch gesteuertem Steuerschieber
IT1310757B1 (it) * 1999-11-30 2002-02-22 Fiat Ricerche Valvola di dosaggio a comando elettromagnetico per un iniettore dicombustibile
JP3631413B2 (ja) * 2000-04-27 2005-03-23 株式会社デンソー 電磁弁及びそれを用いた燃料噴射装置
DE10051549A1 (de) * 2000-10-18 2002-04-25 Bosch Gmbh Robert Magnetventil zur Steuerung eines Einspritzventils einer Brennkraftmaschine
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DE19708104A1 (de) 1998-09-03
JP4067571B2 (ja) 2008-03-26
EP0897469A1 (fr) 1999-02-24
WO1998038426A1 (fr) 1998-09-03
DE59712209D1 (de) 2005-03-31
KR20000064971A (ko) 2000-11-06
JP2000509787A (ja) 2000-08-02
KR100558588B1 (ko) 2006-09-22
BR9708965A (pt) 1999-08-03
US6161813A (en) 2000-12-19
RU2209337C2 (ru) 2003-07-27

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