EP3380715A1 - Injecteur de carburant - Google Patents

Injecteur de carburant

Info

Publication number
EP3380715A1
EP3380715A1 EP16775741.8A EP16775741A EP3380715A1 EP 3380715 A1 EP3380715 A1 EP 3380715A1 EP 16775741 A EP16775741 A EP 16775741A EP 3380715 A1 EP3380715 A1 EP 3380715A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
nozzle needle
shaped support
fuel injector
support member
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
EP16775741.8A
Other languages
German (de)
English (en)
Other versions
EP3380715B1 (fr
Inventor
Georg Sengseis
Friedrich KROEPL
Roland Mitter
Claus Minixhofer
Peter Luckeneder
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 EP3380715A1 publication Critical patent/EP3380715A1/fr
Application granted granted Critical
Publication of EP3380715B1 publication Critical patent/EP3380715B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • 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
    • 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
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0075—Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring
    • 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
    • F02M2200/07—Fuel-injection apparatus having means for avoiding sticking of valve or armature, e.g. preventing hydraulic or magnetic sticking of parts
    • 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
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps

Definitions

  • the invention relates to a fuel injector, in particular common rail injector, for injecting fuel into a combustion chamber of a
  • Such a fuel injector in particular a common rail injector, is known from DE 10 2009 001 704 A1 or from the unpublished DE 10 2014 209 997.
  • a fuel injector in particular a common rail injector, is known from DE 10 2009 001 704 A1 or from the unpublished DE 10 2014 209 997.
  • a nozzle body of the injector is known from DE 10 2009 001 704 A1 or from the unpublished DE 10 2014 209 997.
  • a valve piece is furthermore arranged, which has an end facing away from an injection opening
  • Nozzle needle receives.
  • the nozzle needle is subjected to force by means of a return spring in the closing direction, wherein the nozzle needle with a
  • Nozzle body seat cooperates and thereby opens and closes at least one injection port.
  • the nozzle needle has a radially encircling shoulder, on which a first sleeve-shaped support element rests, wherein the first sleeve-shaped support element is subjected to force by the return spring in the closing direction of the nozzle needle.
  • the restoring spring is supported at its other end on a second sleeve-shaped support element, which is arranged facing away from the combustion chamber end face of the nozzle needle.
  • the mutually facing abutment surfaces of the first sleeve-shaped support member and the second sleeve-shaped support member are spaced from each other, wherein the distance 35 defines the maximum opening stroke in the closed position of the nozzle needle.
  • the stop surface of the first sleeve-shaped support member is located on the stop surface of the second
  • the invention has the object of developing fuel injectors, in particular common rail injectors, according to the preamble of claim 1 in a way that a more reliable and faster closing of
  • Nozzle needle and thus a more accurate dosage of the reaching into the combustion chamber fuel quantity is made possible.
  • the fuel injector has an injector in which in a
  • a hub movable arranged nozzle needle is arranged which limits a control room with one end face and which cooperates with the other end face with a nozzle body seat for opening and closing the injection opening.
  • the nozzle needle has a first sleeve-shaped
  • Support member which is subjected to force in the closing direction of the nozzle needle and further, the nozzle needle a second nozzle needle surrounding the sleeve-shaped support member which is arranged in the direction of the control chamber near end face of the nozzle needle, wherein the second support member arranged axially in the closing direction of the nozzle needle from the first support member is.
  • the facing each other at least one of the facing each other
  • Stop surfaces of the first sleeve-shaped support member or the second sleeve-shaped support member at least one recess.
  • the mutually facing abutment surfaces of two sleeve-shaped support elements are on derarte manner with at least one
  • the nozzle needle can be closed faster and faster in this way.
  • a dripping of the fuel into the combustion chamber is avoided by the faster closing of the nozzle needle and thereby contributes to compliance with pollutant limits of
  • At least one recess of the abutment surfaces of the first sleeve-shaped support member or the second sleeve-shaped support member is formed as a groove.
  • the groove cross-section in the form of a triangle, a semicircle or a quadrilateral, in particular a square or a trapezoid is formed.
  • Groove shapes have the advantage that, depending on the shape, they have little contact surface with little material removal of the respective abutment surfaces of the first sleeve-shaped
  • the grooves are arranged parallel to one another and / or radially and / or following the circumference. Furthermore, a curved or intersecting arrangement of the grooves may be provided.
  • grooves can be combined to form so-called groove groups whose group elements are arranged parallel to each other or enclose an angle with each other. This can be done very easily with, for example, a grinding wheel.
  • both the first sleeve-shaped support member and the second sleeve-shaped support member are disposed within a nozzle body, which in
  • the nozzle body can be compact and thus save space.
  • the second sleeve-shaped support member is formed in several parts, in addition to a simpler installation, the individual functions of the second sleeve-shaped support element in each case to realize their own components.
  • a stop ring serves as a stop surface of the second sleeve-shaped support member to which a second component of the second sleeve-shaped support member, an adjustment, abuts, which limits the maximum opening stroke of the nozzle needle by its dimensions. This also allows the use of different materials for the stop ring and the adjusting ring of the second sleeve-shaped
  • the multi-part design of the second sleeve-shaped support member ensures a simple and cost-effective way to replace wear of one of the components of the second sleeve-shaped support member only only this wear-prone component.
  • a restoring spring is present, which exerts a restoring force on the first sleeve-shaped support element in the direction of the nozzle body seat, so that in the closed position no fuel can flow via the at least one injection opening into the combustion chamber.
  • Closing direction also makes it possible to move in case of possible interruptions of the control of the nozzle needle in the closing direction and an undesirable fuel injection into the combustion chamber
  • the return spring is under
  • Bias disposed between the first sleeve-shaped support member and the second sleeve-shaped support member.
  • the maximum opening stroke of the nozzle needle is fixed by the distance 35 of the mutually facing abutment surfaces of the first sleeve-shaped support member and the second sleeve-shaped support member in the closed position of the nozzle needle.
  • These mutually facing abutment surfaces of the first sleeve-shaped support member and the second sleeve-shaped support member come into contact with each other at maximum opening of the nozzle needle and thus limit the opening stroke of the nozzle needle.
  • the nozzle needle has a radially circumferential shoulder, which serves as a support of the first sleeve-shaped support member.
  • FIG. 1 shows a longitudinal section through a fuel injector according to the invention
  • FIG. 2 shows a partial region of the fuel injector according to FIG. 1 in the region of a device which is distinguished by the first sleeve-shaped support element and the second sleeve-shaped support element and which determines the maximum opening stroke of the nozzle needle, the first sleeve-shaped support element in a perspective view
  • FIG 4 shows the second sleeve-shaped support element in a multi-part design with an adjusting ring and a stop ring in a perspective view, different embodiments of grooves.
  • FIG. 1 illustrates a fuel injector 1, here a common rail injector, which is used for injecting fuel into a combustion chamber (not shown) of an internal combustion engine, in particular a self-igniting internal combustion engine.
  • the fuel injector 1 has a multipart injector housing 2 which comprises a nozzle body 3 and an injector body 4 adjoining the nozzle body 3. By means of a nozzle clamping nut 50, a pressure-tight connection between the nozzle body 3 and the injector body 4 is formed.
  • a High-pressure chamber 6 is formed, which continues into the nozzle body 3, where it is formed by a stepped longitudinal bore.
  • the nozzle body 3 On the side facing the combustion chamber, the nozzle body 3 has at least one injection opening 5 extending from the pressure chamber for injecting fuel into the combustion chamber of the internal combustion engine.
  • the high-pressure chamber 6 can be filled via an inlet channel 51 with fuel under system pressure.
  • Embodiment is the inlet channel 51 in the central region of the
  • High-pressure chamber 6 perpendicular to a longitudinal axis 7 of the fuel injector 1, formed.
  • a piston-shaped nozzle needle 8 is arranged in a liftable manner in its longitudinal direction.
  • Figure 1 illustrates the closed position of the nozzle needle 8, which at least one formed in the nozzle body 3
  • Injection opening 5 closes.
  • a nozzle body seat 10 is formed on the inside of the nozzle body 3, with which the nozzle needle 8 cooperates.
  • Nozzle body seat 10 and thus allows a fuel flow from the
  • High-pressure chamber 6 via the at least one injection opening 5 in the combustion chamber of the internal combustion engine.
  • the nozzle needle 8 is part of a nozzle module 54, which comprises a pin-shaped valve piston 13 on its combustion chamber remote end face.
  • the nozzle needle 8 and the valve piston 13 are connected to each other via a central piece 55, for example by laser welding seams.
  • the nozzle needle 8 is mounted in the closed position in the nozzle body seat 10 and by means of a
  • Electromagnet 26, see double arrow 53, is movable in the longitudinal direction.
  • the nozzle module 54 surrounds a first sleeve-shaped support member 14 and a second sleeve-shaped support member 16, wherein between the first sleeve-shaped support member 14 and the second sleeve-shaped support member 16, a return spring 15 is arranged under pressure bias.
  • FIG. 2 shows a partial region of the fuel injector according to FIG. 1, which shows enlarged the area of the nozzle needle 8 with the first sleeve-shaped support element 14, the intermediate return spring 15 and the second sleeve-shaped support element 16.
  • the injector housing 2 comprises, on the side of the nozzle module 54 facing away from the combustion chamber, a valve piece 18 which is mounted on the valve piston 13 facing side has a blind hole 19.
  • the valve piston 13 dips into this blind hole 19 with its end.
  • the valve piston 13 and the blind hole 19 define a control chamber 20 which is hydraulically connected via an inlet bore 21 to the high-pressure chamber 6.
  • Low pressure region 23 of the fuel injector 1 allows a hydraulic relief of the control chamber 20, wherein the outlet throttle 22 with a
  • Outflow channel 52 which is arranged on the inlet channel 51 opposite side of the injector 2, is connected.
  • the outlet throttle 22 can be closed by a spherical valve element 24, which is part of a control valve 24.
  • the control of the valve 24 via an electromagnet 26, since the spherical
  • Valve element 24 hangs on a magnet armature. Magnetic energization initiates a lifting of the valve element 24 from the outlet throttle 22.
  • the control chamber 20 and the low-pressure region 23 can be hydraulically connected to one another. This leads to a pressure drop in the control chamber 20, which results in a reduction of the hydraulic closing force of the nozzle needle 8.
  • the nozzle needle 8 thus moves through the force acting in the longitudinal direction of the nozzle needle 8 force in the high-pressure chamber 6.
  • the first sleeve-shaped support element 14 is, as shown in Figure 2, on a radially circumferential shoulder 32 of the nozzle needle 8.
  • the second sleeve-shaped support element 16, which is arranged with intermediate storage of the return spring 15 on the first sleeve-shaped support member 14, together with the first sleeve-shaped support member forms a limit to the maximum opening stroke of the nozzle needle 8.
  • At maximum opening stroke of the nozzle needle 8 are facing abutment surfaces 33, 34th the first sleeve-shaped support member 14 and the second sleeve-shaped support member 16 to each other.
  • the maximum opening stroke is due to the axial distance 35 of the mutually facing abutment surfaces 33, 34 of the first sleeve-shaped support element 14 and of the second sleeve-shaped support element 16 in FIG
  • a function of the return spring 14 is the nozzle needle 8 in the direction of the at least one injection opening 5 in the Nozzle body seat 10 to press, even when the fuel injector is a fuel inflow into the combustion chamber of the internal combustion engine
  • Figure 3 illustrates a possible embodiment of the first sleeve-shaped support member 14 as a one-piece component. In this case, at some points of the stop surface 33 of the first sleeve-shaped support member 14 recesses 36 are formed, which will be explained in the further course of the description in detail.
  • the second sleeve-shaped support element 16 has a multi-part construction.
  • 4 shows a possible embodiment of the second sleeve-shaped support member 16 is shown as a two-part component having an adjustment ring 56 with through holes 37 for the fuel and arranged on the adjusting ring 56 stop ring 38.
  • the adjusting ring 56 forms the component of the second sleeve-shaped support member 16, which determines the limitation of the maximum opening stroke of the nozzle needle 8 and is in the installed position in the injector of the nozzle needle 8 in
  • the stop ring 38 has on the side facing away from the adjusting ring 56 a radially encircling collar 57, wherein the collar 57 serves as a support for the return spring 15.
  • Diameter of nozzle needle 8 and center piece 55 cause the first sleeve-shaped support member 14, the second sleeve-shaped support member 16 and the return spring 15 are captively connected to the nozzle module 54.
  • the stop surfaces 33, 34 of the first sleeve-shaped support element 14 and the second sleeve-shaped support element 16 as already shown in Figure 3, at least one recess 36, which is formed by a groove shape 39.
  • Support member 16 in the open position of the nozzle needle 8 is not flat
  • Adhesive forces allow a faster detachment of the stop surfaces 33, 34 of the first sleeve-shaped support member 14 and the second sleeve-shaped
  • the recesses 36 in the abutment surfaces 33, 34 of the first sleeve-shaped support member 14 and / or the second sleeve-shaped support member 16 after closing the spherical valve member 24 allow flowing the high-pressure fuel into exactly these recesses 36 and thus additionally accelerate the release of the Stop surfaces 33, 34 of the first sleeve-shaped support member 14 and the second sleeve-shaped support member 16.
  • the recesses 36 have different cross sections.
  • FIG. 5 illustrates possible embodiments of groove cross-sections in the form of a triangle 136 (FIG. 5e), a semicircle 236 (FIG.
  • FIG. 6 shows in plan view a stop surface 33, 34 of the first sleeve-shaped support element 14 or of the second sleeve-shaped one
  • Support member 16 grooves which are parallel to each other 536 (Figure 6a) and / or radially 636 ( Figure 6c) and / or the circumference of the support element following 736 ( Figure 6e) are arranged.
  • the grooves have a curved 836, as shown in Figure 6d, or intersecting 936 course ( Figure 6e).
  • at least two groove groups 1036 may exist, wherein elements of a groove group are arranged parallel to one another and elements of different groove groups 1036 enclose an angle with one another.
  • the presented embodiments of the grooves are used to optimize for the faster detachment of the stop surfaces 33, 34 of the first sleeve-shaped support member 14 and the second sleeve-shaped support member 16 and are also in combinations on one stop surface 33 or 34 of the first sleeve-shaped support member 14 and the second sleeve-shaped
  • groove shapes 39 are also possible, which fulfill the same function as the previously mentioned groove shapes 39 and, for example, the roughness of the stop surfaces 33, 34 of the first sleeve-shaped support element 14 and the second sleeve-shaped
  • Support member 16 may be used conventional methods such as milling, grinding or embossing. It is also possible to remove material with a LASER.

Landscapes

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

Abstract

L'invention concerne un injecteur de carburant, en particulier un injecteur à rampe commune (1), comportant un carter d'injecteur (2) dans lequel est agencée dans une chambre haute pression (6) une aiguille d'injecteur (8) qui peut effectuer un mouvement alternatif pour l'ouverture ou la fermeture d'au moins un orifice d'injection (5), qui délimite une chambre de commande (20) par une face frontale, et qui coopère par l'autre face frontale avec un siège d'élément d'injecteur (10) pour l'ouverture et la fermeture de l'ouverture d'injection (5). L'aiguille d'injection (8) présente un élément d'appui en forme de douille (14) qui est soumis à une force dans la direction de fermeture de l'aiguille d'injecteur (8). L'aiguille d'injection (8) présente par ailleurs un second élément d'appui en forme de douille entourant l'aiguille d'injection (8) et agencé en direction de la face frontale de l'aiguille d'injection (8) proche de la chambre de commande. Le second élément d'appui (16) est agencé axialement à distance du premier élément d'appui (14) dans la direction de fermeture de l'aiguille d'injection (8). Au moins une des surfaces de butée (33, 34) du premier (14) ou du second (16) élément d'appui en forme de douille se faisant face l'une à l'autre présente au moins un évidement (36).
EP16775741.8A 2015-11-23 2016-10-05 Injecteur de carburant Active EP3380715B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015223043.0A DE102015223043A1 (de) 2015-11-23 2015-11-23 Kraftstoff-Injektor
PCT/EP2016/073732 WO2017089017A1 (fr) 2015-11-23 2016-10-05 Injecteur de carburant

Publications (2)

Publication Number Publication Date
EP3380715A1 true EP3380715A1 (fr) 2018-10-03
EP3380715B1 EP3380715B1 (fr) 2019-09-04

Family

ID=57068127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16775741.8A Active EP3380715B1 (fr) 2015-11-23 2016-10-05 Injecteur de carburant

Country Status (5)

Country Link
US (1) US10415522B2 (fr)
EP (1) EP3380715B1 (fr)
JP (1) JP6496458B2 (fr)
DE (1) DE102015223043A1 (fr)
WO (1) WO2017089017A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11466652B2 (en) * 2017-06-14 2022-10-11 Cummins Inc. Fuel injector having a self-contained replaceable pilot valve assembly
DE102022200978A1 (de) * 2022-01-31 2023-08-03 Robert Bosch Gesellschaft mit beschränkter Haftung Magnetbaugruppe für einen Kraftstoffinjektor und Kraftstoffinjektor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10006785A1 (de) * 2000-02-18 2001-09-27 Bosch Gmbh Robert Einspritzeinrichtung, Steuerventil und Verfahren zum Einspritzen von Fluid
DE10118053A1 (de) * 2001-04-11 2002-10-24 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
DE10343998A1 (de) * 2003-09-23 2005-04-14 Robert Bosch Gmbh Einspritzdüse
ZA200902459B (en) * 2006-10-16 2010-07-28 Ganser Hydromag Fuel injection valve for internal combustion engines
DE102007011790A1 (de) 2007-03-12 2008-09-18 Robert Bosch Gmbh Steuerventileinrichtung
DE102008040015A1 (de) * 2008-06-30 2009-12-31 Robert Bosch Gmbh Magnetventil, Kraftstoff-Injektor sowie Herstellungsverfahren
DE102009001704B4 (de) 2009-03-20 2018-06-28 Robert Bosch Gmbh Kraftstoff-Injektor
DE102009024596A1 (de) * 2009-06-10 2011-04-07 Continental Automotive Gmbh Einspritzventil mit Übertragungseinheit
JP6061074B2 (ja) * 2012-09-28 2017-01-18 株式会社ケーヒン 燃料噴射弁
DE102014209997A1 (de) 2014-05-26 2015-11-26 Robert Bosch Gmbh Common-Rail-Injektor
JP6483574B2 (ja) * 2015-08-25 2019-03-13 株式会社デンソー 燃料噴射装置

Also Published As

Publication number Publication date
US20180340500A1 (en) 2018-11-29
EP3380715B1 (fr) 2019-09-04
DE102015223043A1 (de) 2017-05-24
JP6496458B2 (ja) 2019-04-03
WO2017089017A1 (fr) 2017-06-01
US10415522B2 (en) 2019-09-17
JP2018532945A (ja) 2018-11-08

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