[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

EP2746565B1 - Module magnétique pour un injecteur de carburant, procédé de fabrication d'un module magnétique et injecteur de carburant - Google Patents

Module magnétique pour un injecteur de carburant, procédé de fabrication d'un module magnétique et injecteur de carburant Download PDF

Info

Publication number
EP2746565B1
EP2746565B1 EP13191504.3A EP13191504A EP2746565B1 EP 2746565 B1 EP2746565 B1 EP 2746565B1 EP 13191504 A EP13191504 A EP 13191504A EP 2746565 B1 EP2746565 B1 EP 2746565B1
Authority
EP
European Patent Office
Prior art keywords
magnet
pole tube
magnetic
region
partition
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.)
Not-in-force
Application number
EP13191504.3A
Other languages
German (de)
English (en)
Other versions
EP2746565A1 (fr
Inventor
Michael Krause
Lars Olems
Matthias Horn
Marco Beier
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 EP2746565A1 publication Critical patent/EP2746565A1/fr
Application granted granted Critical
Publication of EP2746565B1 publication Critical patent/EP2746565B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
    • F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
    • F02M51/0653—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve
    • 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
    • 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
    • F02M63/0019—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of electromagnets or fixed armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/128—Encapsulating, encasing or sealing
    • 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
    • F02M2200/08—Fuel-injection apparatus having special means for influencing magnetic flux, e.g. for shielding or guiding magnetic flux
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8069—Fuel injection apparatus manufacture, repair or assembly involving removal of material from the fuel apparatus, e.g. by punching, hydro-erosion or mechanical operation
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8084—Fuel injection apparatus manufacture, repair or assembly involving welding or soldering
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9053—Metals
    • F02M2200/9069—Non-magnetic metals

Definitions

  • the invention relates to a magnet assembly for a fuel injector according to the preamble of claim 1. Furthermore, the invention relates to a method for producing a magnet assembly according to the invention and a fuel injector using a magnet assembly according to the invention.
  • a magnet assembly according to the preamble of claim 1 is known from DE 10 2010 001 486 A1 the applicant known.
  • the fuel discharge from a control chamber is influenced in a fuel injector, whereby a stroke movement of a nozzle needle is controlled.
  • a magnetic coil is inserted in a magnetic core, which are arranged on a front side in registration with a magnet armature.
  • the magnet armature is pulled in the direction of the magnet coil so that the magnet armature releases a sealing seat on the side opposite the magnet coil, via which fuel can flow out of the addressed control chamber.
  • both the armature and the magnetic coil and the magnetic core are arranged in a portion of the fuel injector, in which the fuel is located.
  • the fuel thus comes into contact in particular with the magnetic coil, so that it must be specially designed.
  • relatively high temperatures of the fuel which may be up to 190 ° C. at a system pressure of, for example, 2000 bar, are a problem.
  • the sealing of the bobbin or its connection pins in the direction of the electrical connections for controlling the Magnetic module critical.
  • a fuel injection valve is known with a solenoid valve, wherein a magnetic core and a magnetic coil are accommodated in a pole tube housing, which consists of a réelleporohr and a participatorrohr.
  • the present invention seeks to develop a magnetic assembly for a fuel injector according to the preamble of claim 1 such that in addition to the hydraulic separation between the area is arranged in the armature of the area in which the Magnetic coil and the magnetic core are, even when using relatively small or weak magnetic coils, a relatively high magnetic force can be achieved on the armature.
  • a magnetic assembly for a fuel injector with the features of claim 1, characterized in that the magnetic core and the magnetic coil are accommodated in a pole tube housing, which consists of a mecanicpolrohr and a participatpolrohr, which are arranged concentrically to each other, wherein between the inner pole tube and the outer pole tube on the magnet armature side facing a preferably arranged perpendicular to the longitudinal axis of the magnet armature partition is formed in which in at least partial overlap with the end face of the magnetic coil, a non-magnetic intermediate element is arranged, wherein the pole tube housing in the region of the partition in at least partial coverage with the magnet core has at least one magnetically active pole body, and wherein the partition wall forms a hydraulic seal between a pressure space for the magnet armature and a receiving space for the magnet coil and the magnet core.
  • the invention thus makes it possible on the one hand, a hydraulic separation between the fuel-carrying region in which the magnet armature is located from the region of the magnetic coil and the Form magnetic core, and on the other hand by a magnetically formed region which is arranged in register with the end face of the magnetic coil on the side facing the armature, to influence the magnetic flux such that the magnetic field lines are guided over the magnetically active region of the partition, whereby the increases magnetic field strength and thus can achieve an increased magnetic force on the armature.
  • the inner pole tube and the outer pole tube are made of nonmagnetic material, and the inner pole tube and the outer pole tube are connected in the region of the dividing wall with two magnetic ring bodies, between which the nonmagnetic intermediate element is arranged.
  • the outer pole tube and the inner pole tube can be made of aluminum, for example, so that a particularly low weight of the magnet assembly is achieved.
  • the non-magnetic intermediate element in the direction of the longitudinal axis of the armature has a tapered towards the magnet armature cross-section.
  • solder material thus causes the connection and sealing in the region of the partition wall between the inner pole tube and the outer pole tube, and moreover has the advantage that it adapts particularly well when present component tolerances in its application by its temporary liquefaction.
  • a structural design of the magnet assembly is particularly preferred, in which the outer pole tube forms part of the receiving space for the magnet armature, and that the pole tube housing is at least partially encapsulated by plastic on the side facing away from the magnet armature, which simultaneously forms a connector connection region.
  • Such a design has the advantage that no separate housing part for radial sheathing of the magnet assembly must be provided, but that this function is primarily fulfilled by the outer pole tube.
  • it is possible to form a fuel injector which is particularly compact in terms of diameter and, moreover, can be produced in a particularly simple and cost-effective manner due to the reduced number of components (lack of external housing in this area).
  • the invention also encompasses a method according to claim 5 for producing a magnet assembly according to the invention, wherein a non-magnetic intermediate element is arranged between an inner pole tube and an outer pole tube in a partition wall.
  • the dividing wall is machined, at least in the region of the nonmagnetic intermediate element, by a cutting material removal.
  • non-magnetic components for the outer pole tube and the inner pole tube is provided, wherein between the outer pole tube and the inner pole tube each consisting of magnetic solder ring body are formed, between which the existing non-magnetic solder intermediate element is arranged.
  • a one-piece component is used to form the inner pole tube and the outer pole tube, that in the region of the partition in an end face of Component is formed at least one radially encircling annular groove, that the at least one annular groove is filled with solder material, and that then at least on the at least one annular groove opposite end of the component material removal takes place, such that the material of the component into the region of the solder Will get removed.
  • Such a design has the particular advantage that a positioning of the intendpolrohrs to mecanicpolrohr is not required, since the two components are realized by a one-piece component, which is processed only in the course of the manufacturing process by the cutting material removal such that from the one-piece component the two outer pole tube and the inner pole tube forming areas arise.
  • the invention also includes a fuel injector using a magnet assembly according to the invention.
  • a fuel injector has the advantage that it does not require high requirements with respect to its magnetic coil, in particular that it can be used even at relatively high system pressures or fuel temperatures, the magnet assembly, despite the use of a relatively small magnetic coil, the required forces for actuating the magnet armature applies.
  • a fuel injector 100 is shown in some areas, as it is used as part of a common rail injection system in a self-igniting internal combustion engine.
  • a fuel injector 100 is designed, for example, to a system pressure of 1800 bar and more.
  • a switching valve with a magnet assembly 10 which serves for actuating a magnet armature 11 designed as a flat armature.
  • the armature 11 is arranged in a pressure chamber 12 filled with fuel and connected to a pin-shaped valve element 13, which regulates a fuel drain from a control chamber, not shown in the figures.
  • valve element 13 is accommodated radially inside a valve housing 14, which has a stepped receiving bore 15 for receiving an outer pole tube 16.
  • the outer pole tube 16 is part of a Polrohrgepuruses 19 and hydraulically sealed received in the receiving bore 15 via a arranged in an annular groove 17 sealing ring 18 and axially clamped by means of a union nut 20 with the valve housing 14.
  • the magnetic pole outer pole tube 16 has a ring-shaped and concentric with the longitudinal axis 21 of the fuel injector 100 and the armature 11 arranged first wall portion 22 in which the annular groove 17 is formed. At the first portion 22 is followed on the side facing away from the valve housing 14 on a radially inwardly projecting, perpendicular to the longitudinal axis 21 arranged wall portion 23 at. On the side opposite the wall portion 23 of the first portion 22, a concentric with the longitudinal axis 21 arranged, annular second section 24 connects. The pressure chamber 12 is bounded radially by the first wall section 22 of the outer pole tube 16.
  • the magnet assembly 10 Concentric with the outer pole tube 16, the magnet assembly 10 has an inner pole tube 25 made of magnetic material.
  • the substantially sleeve-shaped mecanicpolrohr 25 has a through hole 26 for receiving a compression spring 27, which is axially indirectly supported on a step 28 of the through hole 26 and the armature 11 in the direction of the valve housing 12 subjected to force.
  • the through hole 26 opens into a return pipe 29 which is connectable to the low pressure region of the fuel system. About the through hole 26 and the return pipe 29 can flow out of the control chamber fuel flowing, which is located within the pressure chamber 12, via at least one formed in the armature 11 hole 30.
  • the inner pole tube 25 On the side facing the valve housing 14, the inner pole tube 25 has a radially outwardly projecting wall section 31, which is located at the same axial height as the wall section 23 of the outer pole tube 16, wherein both wall sections 23, 31 have the same thickness. Between the two wall sections 23, 31, an annular intermediate region 32 is formed, which consists of non-magnetic material, in particular non-magnetic solder consists.
  • the cross section of the intermediate region 32 is V-shaped or has two conically arranged side surfaces, such that the width of the intermediate region 32 decreases in the direction of the magnet armature 11.
  • the two wall sections 23, 31 form, together with the intermediate region 32, a closed partition wall 35, which forms an axial boundary of the pressure chamber 12.
  • annular receiving space 36 On the opposite side of the pressure chamber 12 of the partition wall 35 of the outer pole tube 16 and the inner pole tube 25, an annular receiving space 36 is formed.
  • a likewise annular magnetic core 37 is arranged, which has an annular groove-like opening 38 for receiving a magnetic coil 40 on the side facing the partition wall 35.
  • the magnet coil 40 is connected via contact pins 41 (in the illustration of FIG Fig. 1 only a single contact pin 41 can be seen) connected to plug lugs 42 for the electrical control of the solenoid coil 40, which is arranged in a plastic connector connection portion 43.
  • a partial longitudinal section of the magnet assembly 10 in the region of the partition 35 is shown enlarged.
  • the nonmagnetic intermediate region 32 is arranged in alignment with and overlapping the end face 44 of the magnet coil 40 and has the same ring width on the side facing the magnet coil 40 as the magnet coil 40.
  • the lines 45 indicate the flux of the magnetic field lines in the magnet assembly 10 shown. It can be seen that both the inner pole tube 25 and the outer pole tube 16 are penetrated by the lines 45, that is, that both are part of the magnetic circuit. In particular, it can be seen that the lines 45 on the side facing the magnet armature 11 are deflected by the two wall sections 23, 31.
  • Fig. 3 is one opposite the Fig. 1 modified magnetic assembly 10a shown.
  • the wall portion 23a of the Jardinpolrohrs 16a formed in its radial extent reduced in size, and the inner pole tube 25a has no radially outwardly projecting portion at the level of the wall portion 23a.
  • both the outer pole tube 16a and the inner pole tube 25a are made of non-magnetic material such as aluminum.
  • the partition wall 35 is formed by two annular, consisting of magnetic material, in particular of magnetic solder material pole body 46, 47, between which the non-magnetic material existing intermediate region 32a is arranged.
  • the two pole bodies 46, 47 assume the function of the (magnetic) wall sections 23, 31 of the magnet assembly 10.
  • the magnet assembly 10 can be manufactured particularly easy to produce if, according to the representation of Fig. 4 an initially integrally formed member 50 is used, which consists of magnetically active material, and the outer pole tube 16 and the mecanicpolrohr 25 forms after the now described finishing.
  • a V-shaped annular groove 52 is formed in a horizontally encircling annular wall region 51 on the side facing the receiving space 36, into which the (non-magnetic) solder material forming the intermediate region 32 is subsequently introduced.
  • the wall region 51 is machined from both sides by machining material (in particular grinding), whereby the wall thickness of the wall region 51 is reduced and at the same time flat end faces 53, 54 are formed.
  • the intermediate region 32 forms a part of the end faces 53, 54.
  • magnetic assemblies 10, 10a or the fuel injector 100 described so far can be modified or modified in many ways without departing from the scope of the invention as defined in the claims.
  • the magnetic assembly 10a with the in the 4 and 5 to manufacture then, for which purpose a plurality of annular grooves are formed, which are filled with the material of the intermediate region 32a and the pole body 46, 47.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (7)

  1. Module magnétique (10; 10a) pour un injecteur de carburant (100), avec une bobine magnétique (40) disposée dans un noyau magnétique (37), laquelle coopère avec un induit magnétique (11), qui est disposé en face d'un côté frontal (44) de la bobine magnétique (40), et qui permet d'influencer au moins indirectement un flux de carburant, dans lequel le noyau magnétique (37) et la bobine magnétique (40) sont contenus dans un boîtier tubulaire polaire (19), qui se compose d'un tube polaire intérieur (25; 25a) et d'un tube polaire extérieur (16; 16a), qui sont disposés concentriquement l'un à l'autre, dans lequel une paroi de séparation (35) disposée de préférence perpendiculairement à l'axe longitudinal (21) de l'induit magnétique (11) est formée entre le tube polaire intérieur (25; 25a) et le tube polaire extérieur (16; 16a) sur le côté tourné vers l'induit magnétique (11), dans laquelle un élément intermédiaire non magnétique (32; 32a) est disposé en recouvrement au moins partiel avec le côté frontal (44) de la bobine magnétique (40), dans lequel le boîtier polaire tubulaire (19) présente dans la région de la paroi de séparation (35) en recouvrement au moins partiel avec le noyau magnétique (37) au moins un corps polaire magnétiquement actif (46, 47), et dans lequel la paroi de séparation (35) forme une étanchéité hydraulique entre une chambre de pression (12) pour l'induit magnétique (11) et une chambre de réception (36) pour la bobine magnétique (40) et le noyau magnétique (37), caractérisé en ce que le tube polaire intérieur (25a) et le tube polaire extérieur (16a) sont constitués d'un matériau non magnétique, et en ce que le tube polaire intérieur (25a) et le tube polaire extérieur (16a) sont reliés dans la région de la paroi de séparation (35) à deux corps polaires annulaires (46, 47) en matériau magnétiquement actif, entre lesquels l'élément intermédiaire non magnétique (32a) est disposé.
  2. Module magnétique selon la revendication 1, caractérisé en ce que l'élément intermédiaire non magnétique (32; 32a) présente dans la direction de l'axe longitudinal (21) de l'induit magnétique (11) une section transversale décroissante en direction de l'induit magnétique (11).
  3. Module magnétique selon une des revendications 1 ou 2, caractérisé en ce que l'élément intermédiaire non magnétique (32; 32a) se compose de matériau de brasage.
  4. Module magnétique selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le tube polaire extérieur (16; 16a) forme une partie de la chambre de réception pour l'induit magnétique (11), et en ce que le boîtier tubulaire polaire (19) est enrobé au moins localement, sur le côté situé à l'opposé de l'induit magnétique (11), d'une matière plastique qui forme en même temps une région de raccordement de connecteur (42).
  5. Procédé de fabrication d'un module magnétique (10; 10a) selon l'une quelconque des revendications 1 à 4, dans lequel on dispose entre un tube polaire intérieur (25; 25a) et un tube polaire extérieur (16; 16a) dans une paroi de séparation (35) un élément intermédiaire non magnétique (32; 32a), dans lequel on usine la paroi de séparation (35) au moins dans la région de l'élément intermédiaire non magnétique (32; 32a) au moyen d'un enlèvement de matière par enlèvement de copeaux, caractérisé en ce que l'on forme entre le tube polaire extérieur (16a) et le tube polaire intérieur (25a) respectivement des corps polaires (46, 47) composés d'une brasure magnétique, entre lesquels l'élément intermédiaire (32a) composé de brasure non magnétique est disposé.
  6. Procédé selon la revendication 5, caractérisé en ce que l'on utilise pour la formation du tube polaire intérieur (25; 25a) et du tube polaire extérieur (16; 16a) un composant d'une seule pièce (50), en ce que l'on forme dans la région de la paroi de séparation (35) dans un côté frontal du composant (50) au moins une rainure annulaire radialement périphérique (52), en ce que l'on remplit de matériau de brasage ladite au moins une rainure annulaire (52), et en ce que l'on effectue ensuite, au moins sur le côté frontal du composant (50) opposé à ladite au moins un rainure annulaire (52), un enlèvement de matière, de telle manière que le matériau du composant (50) soit enlevé jusque dans la région de la brasure.
  7. Injecteur de carburant (100) avec un module magnétique (10; 10a) selon l'une quelconque des revendications 1 à 4.
EP13191504.3A 2012-12-21 2013-11-05 Module magnétique pour un injecteur de carburant, procédé de fabrication d'un module magnétique et injecteur de carburant Not-in-force EP2746565B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012224203.1A DE102012224203A1 (de) 2012-12-21 2012-12-21 Magnetbaugruppe für einen Kraftstoffinjektor, Verfahren zum Herstellen einer Magnetbaugruppe sowie Kraftstoffinjektor

Publications (2)

Publication Number Publication Date
EP2746565A1 EP2746565A1 (fr) 2014-06-25
EP2746565B1 true EP2746565B1 (fr) 2017-06-28

Family

ID=49546275

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13191504.3A Not-in-force EP2746565B1 (fr) 2012-12-21 2013-11-05 Module magnétique pour un injecteur de carburant, procédé de fabrication d'un module magnétique et injecteur de carburant

Country Status (2)

Country Link
EP (1) EP2746565B1 (fr)
DE (1) DE102012224203A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013223530A1 (de) * 2013-11-19 2015-05-21 Robert Bosch Gmbh Ventil zum Zumessen von Fluid
DE102015208103A1 (de) * 2015-04-30 2016-11-03 Robert Bosch Gmbh Elektromagnetische Stelleinheit für ein Einspritzventil und Einspritzventil mit einer solchen elektromagnetischen Stelleinheit
JP6520983B2 (ja) 2016-07-28 2019-05-29 株式会社デンソー 燃料噴射弁、および燃料噴射弁の製造方法
JP6583179B2 (ja) 2016-07-28 2019-10-02 株式会社デンソー 燃料噴射弁
JP6677195B2 (ja) 2017-03-03 2020-04-08 株式会社デンソー 燃料噴射弁及び燃料噴射弁の製造方法
CN109488505B (zh) * 2018-11-01 2021-04-06 零八一电子集团四川力源电子有限公司 高压共轨高速电磁铁尾座与外壳的联接结构及联接方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4310719C2 (de) * 1993-04-01 2002-09-12 Bosch Gmbh Robert Verfahren zur Herstellung eines Magnetkreises für ein Ventil
US5918818A (en) * 1996-05-22 1999-07-06 Denso Corporation Electromagnetically actuated injection valve
JP3874698B2 (ja) * 2002-06-05 2007-01-31 株式会社デンソー 電磁弁用ソレノイド
JP5101456B2 (ja) * 2008-10-21 2012-12-19 三菱重工業株式会社 ソレノイド式電磁弁装置
DE102010001486A1 (de) 2010-02-02 2011-08-04 Robert Bosch GmbH, 70469 Steuerventilanordnung eines Kraftstoffinjektors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102012224203A1 (de) 2014-06-26
EP2746565A1 (fr) 2014-06-25

Similar Documents

Publication Publication Date Title
EP2746565B1 (fr) Module magnétique pour un injecteur de carburant, procédé de fabrication d'un module magnétique et injecteur de carburant
EP0733162B1 (fr) Procede de production d'un circuit magnetique pour soupape
DE102011013702B4 (de) Elektromagnetischer Aktor
WO1999043948A2 (fr) Soupape a commande electromagnetique
DE112006001605T5 (de) Elektromagnetische Betätigungsvorrichtung und Verfahren zur Steuerung eines Strömungsmittelflusses
EP0717816B1 (fr) Soupape a commande electromagnetique
EP3172428B1 (fr) Unité électromagnétique de réglage pour une soupape d'aspiration et une soupape d'aspiration
DE19712922A1 (de) Brennstoffeinspritzventil
DE19860631A1 (de) Elektromagnetisch betätigbares Ventil und Verfahren zur Herstellung eines Magnetmantels für ein Ventil
DE102011077179A1 (de) Anker für ein Magnetventil und Verfahren zur Herstellung eines Ankers
DE102005019837A1 (de) Brennstoffeinspritzventil und Verfahren zu dessen Montage
EP1366283B1 (fr) Soupape d'injection de carburant munie d'un manchon de reglage
WO2001044652A1 (fr) Soupape d'injection de carburant
WO2013178391A1 (fr) Injecteur de carburant
DE10046306A1 (de) Brennstoffeinspritzventil
EP2866970B1 (fr) Procédé pour la fabrication d'un carter, en particulier d'un carter pour soupape
EP3380715B1 (fr) Injecteur de carburant
DE10050055A1 (de) Brennstoffeinspritzventil
EP2905669B1 (fr) Vanne de régulation de pression
EP1102931B1 (fr) Soupape d'injection de carburant et son procede de production
DE102009000184A1 (de) Brennstoffeinspritzventil
EP3446012B1 (fr) Dispositif pneumatique à plusieurs soupapes et procédé de fabrication
EP3034856B1 (fr) Soupape d'injection de combustible
EP1309790B1 (fr) Soupape d'injection de carburant
EP3779172A1 (fr) Soupape de dosage d'un fluide

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: 20131105

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

R17P Request for examination filed (corrected)

Effective date: 20150105

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

17Q First examination report despatched

Effective date: 20160503

RIC1 Information provided on ipc code assigned before grant

Ipc: F02M 51/06 20060101AFI20170119BHEP

Ipc: H01F 7/08 20060101ALI20170119BHEP

Ipc: H01F 7/128 20060101ALI20170119BHEP

Ipc: F02M 63/00 20060101ALN20170119BHEP

Ipc: F02M 61/16 20060101ALI20170119BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: F02M 51/06 20060101AFI20170315BHEP

Ipc: H01F 7/08 20060101ALI20170315BHEP

Ipc: H01F 7/128 20060101ALI20170315BHEP

Ipc: F02M 63/00 20060101ALN20170315BHEP

Ipc: F02M 61/16 20060101ALI20170315BHEP

INTG Intention to grant announced

Effective date: 20170331

RIC1 Information provided on ipc code assigned before grant

Ipc: F02M 51/06 20060101AFI20170317BHEP

Ipc: F02M 63/00 20060101ALN20170317BHEP

Ipc: F02M 61/16 20060101ALI20170317BHEP

Ipc: H01F 7/08 20060101ALI20170317BHEP

Ipc: H01F 7/128 20060101ALI20170317BHEP

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 905079

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170715

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502013007609

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170929

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170928

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20170628

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170928

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171028

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502013007609

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

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: 20180329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

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

Effective date: 20171105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

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

Effective date: 20171130

Ref country code: CH

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

Effective date: 20171130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

Ref country code: LU

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

Effective date: 20171105

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20171130

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

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

Effective date: 20171105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

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

Effective date: 20171105

Ref country code: BE

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

Effective date: 20171130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20131105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

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

Effective date: 20170628

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 905079

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

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

Effective date: 20181105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170628

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

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

Ref country code: FR

Payment date: 20211119

Year of fee payment: 9

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

Ref country code: DE

Payment date: 20220125

Year of fee payment: 9

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502013007609

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

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

Effective date: 20230601

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: 20221130