EP2746565A1 - 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

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Publication number
EP2746565A1
EP2746565A1 EP13191504.3A EP13191504A EP2746565A1 EP 2746565 A1 EP2746565 A1 EP 2746565A1 EP 13191504 A EP13191504 A EP 13191504A EP 2746565 A1 EP2746565 A1 EP 2746565A1
Authority
EP
European Patent Office
Prior art keywords
pole tube
magnetic
magnet
armature
outer pole
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.)
Granted
Application number
EP13191504.3A
Other languages
German (de)
English (en)
Other versions
EP2746565B1 (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

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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
    • 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.
  • the magnetic coil of the armature Although one could try to hydraulically separate by a corresponding separator, the magnetic coil of the armature, however, the increased axial distance between the magnetic coil and the magnetic core, however, lowers the efficiency of the magnet assembly or makes it necessary to use a larger solenoid coil to achieve a certain magnetic force in turn, which in turn entails a number of disadvantages, in particular with regard to the installation space and the manufacturing costs of the magnet assembly.
  • 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 magnetic core has at least one magnetically active wall section or at least one magnetically active pole body, and wherein the partition wall, a hydraulic seal between a pressure chamber for the armature and a recording eraum for the magnetic coil and the magnetic core is formed.
  • 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 magnet armature, to influence the magnetic flux such that the magnetic field lines are guided over the magnetically active region of the partition wall, 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 consist of magnetic material.
  • a magnetic material is meant in particular a ferromagnetic material which has the desired magnetic properties by appropriate magnetization.
  • Such a design has the advantage that only one non-magnetic intermediate element has to be arranged between the adjoining radial regions of the inner pole tube and the outer pole tube in the region of the dividing wall. As a result, the number of components or components for receiving the magnetic coil and the magnetic core can be reduced.
  • the inner pole tube and the outer pole tube consist of nonmagnetic material, and that 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.
  • Such a design has the advantage that 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 magnet armature has a tapering 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 remote from the magnet armature, which at the same time forms a connector connection region.
  • Such a design has the advantage that no separate housing part has to be provided for the radial sheathing of the magnet assembly, 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 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.
  • 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.
  • the magnetic assemblies 10, 10a or the fuel injector 100 described so far can be modified or modified in many ways without deviating from the inventive concept.
  • 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.

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  • 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)
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 true EP2746565A1 (fr) 2014-06-25
EP2746565B1 EP2746565B1 (fr) 2017-06-28

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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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015074927A1 (fr) * 2013-11-19 2015-05-28 Robert Bosch Gmbh Soupape de dosage de fluide
DE112017003766T5 (de) 2016-07-28 2019-04-11 Denso Corporation Kraftstoffeinspritzventil
DE112017003774T5 (de) 2016-07-28 2019-04-11 Denso Corporation Kraftstoffeinspritzventil

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015208103A1 (de) * 2015-04-30 2016-11-03 Robert Bosch Gmbh Elektromagnetische Stelleinheit für ein Einspritzventil und Einspritzventil mit einer solchen elektromagnetischen Stelleinheit
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4310719A1 (de) * 1993-04-01 1994-10-06 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
JP2004014700A (ja) * 2002-06-05 2004-01-15 Denso Corp 電磁弁用ソレノイド
EP2243990A1 (fr) * 2008-10-21 2010-10-27 Mitsubishi Heavy Industries, Ltd. Dispositif à électrovanne de type solénoïde
DE102010001486A1 (de) 2010-02-02 2011-08-04 Robert Bosch GmbH, 70469 Steuerventilanordnung eines Kraftstoffinjektors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4310719A1 (de) * 1993-04-01 1994-10-06 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
JP2004014700A (ja) * 2002-06-05 2004-01-15 Denso Corp 電磁弁用ソレノイド
EP2243990A1 (fr) * 2008-10-21 2010-10-27 Mitsubishi Heavy Industries, Ltd. Dispositif à électrovanne de type solénoïde
DE102010001486A1 (de) 2010-02-02 2011-08-04 Robert Bosch GmbH, 70469 Steuerventilanordnung eines Kraftstoffinjektors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015074927A1 (fr) * 2013-11-19 2015-05-28 Robert Bosch Gmbh Soupape de dosage de fluide
DE112017003766T5 (de) 2016-07-28 2019-04-11 Denso Corporation Kraftstoffeinspritzventil
DE112017003774T5 (de) 2016-07-28 2019-04-11 Denso Corporation Kraftstoffeinspritzventil

Also Published As

Publication number Publication date
DE102012224203A1 (de) 2014-06-26
EP2746565B1 (fr) 2017-06-28

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