WO2015106937A1 - Injecteur de carburant - Google Patents

Injecteur de carburant Download PDF

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Publication number
WO2015106937A1
WO2015106937A1 PCT/EP2014/079051 EP2014079051W WO2015106937A1 WO 2015106937 A1 WO2015106937 A1 WO 2015106937A1 EP 2014079051 W EP2014079051 W EP 2014079051W WO 2015106937 A1 WO2015106937 A1 WO 2015106937A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
fuel injector
magnetic
recess
injector according
Prior art date
Application number
PCT/EP2014/079051
Other languages
German (de)
English (en)
Inventor
Armin Schuelke
Walter Fuchs
Axel Bormann
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
Priority to CN201480073689.9A priority Critical patent/CN105917109B/zh
Priority to EP14819008.5A priority patent/EP3097302B1/fr
Publication of WO2015106937A1 publication Critical patent/WO2015106937A1/fr

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
    • 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
    • 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
    • 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
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • 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
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
    • F02M51/0682—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the body being hollow and its interior communicating with the fuel flow
    • 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
    • F02M2200/8053—Fuel injection apparatus manufacture, repair or assembly involving mechanical deformation of the apparatus or parts thereof
    • 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
    • F02M2200/8061—Fuel injection apparatus manufacture, repair or assembly involving press-fit, i.e. interference or friction fit
    • 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

Definitions

  • the present invention is apparent from a fuel injector for injecting fuel into a combustion chamber of an internal combustion engine according to the species according to the preamble of independent claim 1. More specifically, the present invention relates to a fuel injector having a solenoid actuator for directly actuating a needle body unit liftably received in an inner bore of a nozzle body to open or close at least one injection port, the solenoid actuator comprising an annular solenoid coil cooperating with an actuator formed as a plunger armature.
  • the magnetic actuator consists essentially of a magnetic coil and acting as an actuator plunger armature, which is guided radially by a so-called magnetic body.
  • An annular separator of a non-magnetic material surrounding the plunger armature serves to magnetically separate a holding body received in the fuel injector from said magnet body.
  • the plunger armature may consist essentially of an anchor plate and a coupler piston pressed therein, which may be hydraulically coupled via a coupler volume with the nozzle needle, so that a through the
  • Magnet actuator caused movement of the armature plate and thus the coupler piston changes the coupler volume and hydraulically actuated in this way the nozzle needle. More specifically, the described change in the coupler volume affects the spring biased Nozzle needle so that an evoked magnification of the
  • Coupler volume has a pressure drop in the coupler volume and thus has a release of the injection openings through the nozzle needle result.
  • Structure of the fuel injector, in particular of the magnetic actuator for example, be the two-part design of the plunger armature of anchor plate and pressed-coupling piston, since such a connection between the armature plate and coupler piston, which is only a frictional connection, at such a movement critical point of the
  • the present invention provides a fuel injector having the features of claim 1.
  • Advantageous developments of the invention are specified in the subclaims. More specifically, the fuel injector according to the invention is used for
  • Injecting fuel into a combustion chamber of an internal combustion engine and has essentially a clamping nut, in which a holding body and a magnetic body are arranged, a so-called needle body unit, which consists of a Ankernadel and a nozzle needle, and recorded in the clamping nut magnetic actuator for direct actuation of in an inner bore of the clamping nut liftably received needle body unit on the lifting movement at least one injection port is releasable or closable.
  • the magnetic actuator comprises an annular
  • Magnet coil which is arranged between the holding body and the magnetic body, and acting as an actuator plunger, which in turn comprises an armature plate and the armature needle and cooperates with the magnetic coil.
  • the anchor plate and the anchoring needle consist in the fuel injector according to the invention of different metal materials and are integrally connected by a material connection.
  • the anchor plate and the anchor needle preferably joined together by welding, such as by laser welding.
  • the armature plate acting as the magnetic field exposed component of the magnetic actuator may be made of a soft magnetic material such as FeCo or an alloy thereof, FeCr, or generally SMC (Soft Magnetic Composites).
  • Actuator of the magnetic actuator serving Ankernadel can consist of a high-strength metal material, such as the Cr-alloyed steel 10006 or a high-speed steel HS6-5-2-X, that is, with any Co content.
  • Needle body unit in the fuel injector is thus in the present invention, a 2-component plunger armature is used, consisting of a magnetically actuated portion of preferably soft magnetic metal material and a guide portion made of high-strength metal material.
  • a 2-component plunger armature is used, consisting of a magnetically actuated portion of preferably soft magnetic metal material and a guide portion made of high-strength metal material.
  • Metal material of the guide portion a good leadership quality can be achieved in the fuel injector, whereby a desirable precise release and closing of the injection openings can be achieved by the nozzle needle, directly or indirectly with the anchor needle
  • Compressibilities are the movements of the armature needle and the nozzle needle preferably directly or directly coupled with a KochVmaschinesch.
  • a soft magnetic metal material can be used, the advantageous properties for the generated
  • Magnetic circuit of the magnetic actuator provides. Both materials must be combined to form a component, the plunger armature, in order to form an advantageous one-piece actuator of the magnetic actuator.
  • the difficult to produce compound of these fundamentally different Metal materials takes place in the fuel according to the invention! Njektor preferably by laser welding.
  • the fabric bond between armature plate and anchoring needle produced thereby has the advantage that good strength in the joint can be achieved with minimal space requirements, with materials are interconnected, which are classified in principle as not weldable.
  • An optimization of the seam properties between the two different metal materials, ie between the anchor plate and the armature needle can be achieved with various parameters, such as power of the laser, duration, preheating time, welding speed, etc. of the welding process.
  • the anchoring needle is against releasing the at least one injection port through the
  • Fuel injector can be made improved.
  • the pressing-on path of the spring plate can be predefined on the anchoring needle, and thus the desired pretensioning force of the spring can be set.
  • Fuel injector is a fuel inlet bore with a central
  • Recess provided in the holding body wherein acting as an inner pole of the magnetic actuator insert member is used with a fuel hole in the recess and connected to the holding body by a positive connection.
  • the form fit between Insert member and recess in the holding body is preferably caused by a plastic deformation of the bottom of the recess facing portion of the insert member, ie by a plastic deformation of the front side portion of the insert member, the first in an insertion of the insert member in the holding body in the
  • a cutting geometry also referred to as cutting structure or simply called cutting, provided at the bottom of the recess in the holding body, through which the bottom of the
  • Cutting ring which is integrally formed with the holding body or with the bottom of the recess.
  • the cutting geometry is preferably made of a harder material than the insert component.
  • the described Zerspanvorgang a positive process is achieved at the inner pole of the fuel injector according to the invention. The inner pole is thus pressed during installation in the holding body against the cutting ring and further into the surrounding holding body, wherein peeled off by the further pressing in the direction of the Ausappelungs foundeds material from the insert member and pushed radially outward.
  • a ductile, flowable metallic material is used, similar to the material of the spring plate of the further good magnetic
  • the inner diameter of the recess at the bottom thereof is greater than the inner diameter of the remaining recess, whereby a radially outwardly annular
  • Recess also referred to as groove, formed at the bottom of the recess.
  • the aforementioned fuel inlet hole is in the holding body is a central inlet bore, which passes through the holding body and the
  • the central arrangement of the inlet bore has the advantage that the holding body is uniformly acted upon by high pressure and the inlet bore is limited over the circumference of a uniform wall thickness of the holding body, wherein the inlet bore in the
  • Insert component continues, which also has a central inlet bore, preferably narrowing in the fuel flow direction
  • Zulaufbohrung is thereby increased the robustness of the holding body. To ensure the inflow of fuel is the centrally located
  • Zulaufbohrung preferably indirectly connected via at least one further bore with another body in the fuel injector, the
  • the at least one further bore can be formed in the actuator, in the magnet body and / or in another body, which is arranged between the magnet body and the nozzle body.
  • the further body is preferably a plate-shaped component which delimits a high-pressure bore of the nozzle body in the axial direction.
  • the components of the needle body unit, so the armature needle and the nozzle needle two separate components which are arranged in contact with each other and cooperate with each other by means of the springs. This will be a direct
  • the Ankernadel dissolves when opening the nozzle needle.
  • an annular partition member between the holder body and the magnetic body may be disposed radially inside of the solenoid coil, causing magnetic separation between the inner pole and the magnetic body. During operation of the fuel injector, this magnetic separation serves to ensure that the magnetic flux through the
  • the armature runs in the inner pole, with stray fluxes are avoided.
  • the armature is arranged inside the annular separating component.
  • the magnetic body may also have a central bore in which the plunger is received liftable. About the magnetic body of the plunger armature thus undergoes an additional radial guidance.
  • the annular separator concentric with the central bore of the magnetic body and having a bore of equal diameter, the central bore of the magnetic body continues into that of the separator.
  • the annular separating body can also serve the radial guidance of the actuator designed as a plunger armature.
  • Fuel injector, the clamping nut and the holding body may be connected to each other by means of a screw connection, wherein preferably the clamping nut has an internal thread and the holding body has a corresponding external thread for forming the screw connection.
  • this screw connection arranged in the clamping nut components of the fuel injector can be braced against each other.
  • Holding body thereby fixes the magnetic coil and the separator between itself and the magnetic body, and further fixes the nozzle body on the magnetic body with the inside of the clamping nut, ie at the end of the clamping nut on which the nozzle body protrudes from the clamping nut, so that the injection openings to the outside to be exposed.
  • the injector concept according to the invention fulfills with its new
  • Immersion anchor solution for the realization of the necessary anchor strokes the need for a contemporary concept for direct-operated diesel injectors with magnetic actuators. Due to the special joining method used in the present invention, the space-constrained crowded conditions can be more advantageous under high utilization
  • the sole figure of the present invention shows a sectional view of a portion of a fuel injector according to the preferred
  • Embodiment of the invention comprises a clamping nut 1 with a
  • Inner bore 1 in which a holding body 2 is inserted and with the
  • Holding body 2 is made. Further, in the clamping nut 1, a magnetic body 3 and a needle body unit 4 is arranged.
  • the needle body unit 4 is formed in the preferred embodiment by a Ankernadel 41 and a nozzle needle 42, which are in non-contact magnetic circuit with each other in abutting contact and cooperate, and is guided in the clamping nut 1 hubbeweglich.
  • the lifting movement of the needle body unit 4 serves to release or close injection openings (not shown) which are formed in a nozzle body 9.
  • the nozzle needle 42 of the needle body unit 4 must be lifted out of a valve seat (not shown). In a guide region of the nozzle needle 42 is ensuring the connection via outer peripheral side polished sections 421, which form flow channels.
  • a magnetic actuator 5 which comprises an annular magnetic coil 51, which acts with an actuator
  • Immersion anchor 52 cooperates, which is composed of an anchor plate 53 and the anchor needle 41.
  • the anchor plate 53 which consists of a
  • the soft magnetic material is laser welded at an interface 521 with the anchoring needle 41 made of a high strength material.
  • the plunger armature 52 is received in a liftable manner in a central bore 31 of the magnet body 3.
  • the magnetic body 3 has an annular end face 32, on which the magnetic coil 51 is supported, wherein the annular end face 32 of the magnetic body 3 is designed to be stepped radially outwards.
  • the magnetic body 3 forms in this way together with the inner circumference of the inner bore 1 1 of the clamping nut 1 an annular groove in which the magnetic coil 51 is partially received.
  • the solenoid coil 51 is also applied to the holding body 2, which has a diameter-reduced outer peripheral portion 24 for flush insertion of the magnetic coil 51.
  • annular separator 55 made of a nonmagnetic material is disposed between the holder body 2 and the magnet body 3 and bears against an annular projection 33 of the magnet body 3 which engages in the magnet coil 51.
  • the annular separating body 55 is therefore surrounded by the inner circumference of the magnetic coil 51.
  • Another support results from the holding body 2, which has a protruding projection 25 with reduced outer diameter. With this approach 25, the holding body 2 engages in the annular separating body 55, wherein between the holding body 2 and the plunger 52 a
  • the holding body 2 has a recess 22 in which an insert component 54 consisting of ductile metal is inserted, which forms an inner pole of the magnetic actuator 5.
  • the insert member 54 is plastically deformed when inserted into the recess 22 on a holding body 2 facing end portion 542 by a present in the form of a cutting edge cutting edge 222, the bottom 221 of the recess 22nd is provided, which deforms the bottom 221 of the recess 22 facing portion 542 of the insert member 54 when inserting the same in the recess 22 by a Zerspanvorgang plastically.
  • the insert member 54 is thus pressed during installation in the holding body 2 against the cutting edge 222 in the surrounding holder body 2, wherein by the
  • An inner diameter of the recess 22 at the bottom 221 is greater than the inner diameter of the remaining recess 22 in the preferred embodiment of the injector according to the invention, whereby a radially outwardly extending groove 223 at the bottom 221 of the recess 22 is formed.
  • the chipped material of the portion 542 of the insert component 54 is pressed into the groove 223 until it is at least partially or almost completely filled with the plastically deformed portion 542 of the insert component 54. This results in a positive fit
  • insert component 54 is shown in the figure in a state prior to machining, ie in the still undeformed state, in which no machining material is still present in the groove 223.
  • insert member 54 also has a continuous, narrowing bore 541 is provided, which connects the fuel inlet bore 21 with the working gap between the holding body 2 and the magnetic body 3 and thus with the bore 531 in the anchor plate 53.
  • the holding body 2 is penetrated by a central fuel inlet bore 21, which serves to feed fuel and is connected via further bores 531 and 31 to a high-pressure bore 91 of the nozzle body 9.
  • the further bore 531 is arranged in the anchor plate 53 and obliquely executed, i. from the center to the radial outside. It opens laterally into the central bore 31 of the magnetic body 3. This has a
  • corresponding bevels may be provided on the anchoring needle 41.
  • a recess 361 is provided, which connects the magnetic body recess 35 with the high-pressure bore 91 of the nozzle body 9.
  • a spring 362 is further provided, which via the
  • plate-shaped body 36 is clamped against the magnetic body 3, so that the body 36 is kept pressed constantly against the nozzle body 9.
  • the armature needle 41 is held in a liftable manner in the plate-shaped body 36.
  • the spring plate 7 consists of a ductile metal and is on the anchor needle 41st
  • the energization of the magnetic coil 51 is achieved via at least one (not shown) electrical line which is passed through the holding body 2 and terminates in an electrical connection, via which the fuel injector with a (not shown) power source is connectable.
  • the illustrated fuel injector is characterized by a high robustness and a precise magnetic

Landscapes

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

Abstract

L'invention concerne un injecteur de carburant destiné à injecter du carburant dans la chambre de combustion d'un moteur à combustion interne, cet injecteur comprenant un écrou-raccord dans lequel sont disposés un corps de maintien et un corps magnétique, une unité corps d'aiguille qui est composée d'une aiguille d'induit et d'une aiguille de buse, un actionneur magnétique logé dans l'écrou-raccord pour actionner directement l'unité corps d'aiguille logée de manière à pouvoir effectuer une course dans un alésage interne de l'écrou-raccord, la course de l'unité corps d'aiguille permettant d'ouvrir ou de fermer un orifice d'injection. L'actionneur magnétique comprend une bobine d'électro-aimant annulaire disposée entre le corps de maintien et le corps magnétique, et un induit plongeur agissant comme actionneur, l'induit plongeur comportant une plaque d'induit et l'aiguille d'induit et coopérant avec la bobine d'électro-aimant. La plaque d'induit et l'aiguille d'induit sont composées de matériaux différents et sont reliées en une seule pièce par une liaison de matière.
PCT/EP2014/079051 2014-01-20 2014-12-22 Injecteur de carburant WO2015106937A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480073689.9A CN105917109B (zh) 2014-01-20 2014-12-22 燃料喷射器
EP14819008.5A EP3097302B1 (fr) 2014-01-20 2014-12-22 Injecteur de carburant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014200884.0A DE102014200884A1 (de) 2014-01-20 2014-01-20 Kraftstoffinjektor
DE102014200884.0 2014-01-20

Publications (1)

Publication Number Publication Date
WO2015106937A1 true WO2015106937A1 (fr) 2015-07-23

Family

ID=52146510

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/079051 WO2015106937A1 (fr) 2014-01-20 2014-12-22 Injecteur de carburant

Country Status (4)

Country Link
EP (1) EP3097302B1 (fr)
CN (1) CN105917109B (fr)
DE (1) DE102014200884A1 (fr)
WO (1) WO2015106937A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018001879A1 (fr) * 2016-06-30 2018-01-04 Delphi International Operations Luxembourg S.À R.L. Injecteur de carburant
WO2021028349A1 (fr) * 2019-08-09 2021-02-18 Liebherr-Components Deggendorf Gmbh Plaque de siège d'injecteur et procédé de fabrication de plaque de siège de ce type

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229730A1 (de) * 1992-09-05 1994-03-10 Bosch Gmbh Robert Elektromagnetisch betätigbares Brennstoffeinspritzventil
DE102007008863A1 (de) * 2005-08-26 2008-08-28 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102010002646A1 (de) * 2010-03-08 2011-09-08 Robert Bosch Gmbh Kraftstoffinjektor
DE102010041013A1 (de) * 2010-09-20 2012-03-22 Robert Bosch Gmbh Kraftstoffinjektor
DE102012220856A1 (de) * 2012-06-29 2014-01-02 Robert Bosch Gmbh Kraftstoffinjektor mit Magnetaktor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5667194A (en) * 1995-12-11 1997-09-16 Siemens Automotive Corporation Armature needle valve assembly having plastic connecting means
CN101539084B (zh) * 2009-03-20 2010-12-29 天津大学 共轨式电控喷射器
DE102014200771A1 (de) * 2014-01-17 2015-07-23 Robert Bosch Gmbh Kraftstoffinjektor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229730A1 (de) * 1992-09-05 1994-03-10 Bosch Gmbh Robert Elektromagnetisch betätigbares Brennstoffeinspritzventil
DE102007008863A1 (de) * 2005-08-26 2008-08-28 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102010002646A1 (de) * 2010-03-08 2011-09-08 Robert Bosch Gmbh Kraftstoffinjektor
DE102010041013A1 (de) * 2010-09-20 2012-03-22 Robert Bosch Gmbh Kraftstoffinjektor
DE102012220856A1 (de) * 2012-06-29 2014-01-02 Robert Bosch Gmbh Kraftstoffinjektor mit Magnetaktor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018001879A1 (fr) * 2016-06-30 2018-01-04 Delphi International Operations Luxembourg S.À R.L. Injecteur de carburant
FR3053409A1 (fr) * 2016-06-30 2018-01-05 Delphi International Operations Luxembourg S.A R.L. Injecteur de carburant
WO2021028349A1 (fr) * 2019-08-09 2021-02-18 Liebherr-Components Deggendorf Gmbh Plaque de siège d'injecteur et procédé de fabrication de plaque de siège de ce type

Also Published As

Publication number Publication date
DE102014200884A1 (de) 2015-07-23
CN105917109A (zh) 2016-08-31
CN105917109B (zh) 2019-04-02
EP3097302A1 (fr) 2016-11-30
EP3097302B1 (fr) 2019-07-03

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