WO2019063209A1 - Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission - Google Patents

Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission Download PDF

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Publication number
WO2019063209A1
WO2019063209A1 PCT/EP2018/072630 EP2018072630W WO2019063209A1 WO 2019063209 A1 WO2019063209 A1 WO 2019063209A1 EP 2018072630 W EP2018072630 W EP 2018072630W WO 2019063209 A1 WO2019063209 A1 WO 2019063209A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic core
inlet valve
sacrificial anode
pump
carrier element
Prior art date
Application number
PCT/EP2018/072630
Other languages
German (de)
English (en)
Inventor
Steffen Holm
Gabriel CICHON
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 WO2019063209A1 publication Critical patent/WO2019063209A1/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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/10—Electrodes characterised by the structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0452—Distribution members, e.g. valves
    • F04B1/0461—Conical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0076—Piston machines or pumps characterised by having positively-driven valving the members being actuated by electro-magnetic 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/05—Fuel-injection apparatus having means for preventing corrosion
    • 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
    • F02M2200/9076—Non-ferrous metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams

Definitions

  • the invention relates to an electromagnetically operable inlet valve for a high pressure pump, in particular a fuel injection system, according to the preamble of claim 1. Furthermore, the invention relates to a high pressure pump with such an inlet valve.
  • An electromagnetically operable inlet valve for a high-pressure pump of a fuel injection system is known from DE 10 2015 212 390 A1.
  • the high-pressure pump has at least one pump element with one in one
  • the pump working space can be connected to an inlet for the fuel via the inlet valve.
  • the inlet valve comprises a valve member which cooperates with a valve seat for control and which is movable between an open position and a closed position. In its closed position, the valve member comes to rest against the valve seat.
  • the inlet valve comprises an electromagnetic actuator, through which the valve member is movable.
  • the electromagnetic actuator has a magnetic coil, a magnetic core and an at least indirectly acting on the valve member armature.
  • the magnet armature is displaceably guided in a receptacle in a carrier element. When the solenoid is energized, the armature is movable against the force of a return spring.
  • the carrier element and the magnetic core are connected to each other via a sleeve-shaped connecting element, wherein the connecting element can be welded to the carrier element and / or the magnetic core.
  • the magnet core, the carrier element and the connecting element are surrounded by a housing. Between the magnetic core, the support element and the connecting element on the one hand and the housing on the other hand, a gap is present, which is filled with air. Upon heating and cooling of the actuator, moisture may enter the gap from the environment of the actuator. This can lead to corrosion of the carrier element, magnet armature and connecting element, wherein in particular the welded joint of the connecting element can be damaged, so that no secure connection of the magnetic core with the carrier element is more present. Even if sealing measures are provided on the housing, a reliable hermetic seal can not be ensured, so that corrosion can not be ruled out.
  • the inlet valve according to the invention with the features of claim 1 has the advantage that the magnetic core and / or the carrier element and / or the connecting element are protected by the at least one sacrificial anode from corrosion. If moisture is present, there is corrosion of the sacrificial anode and not the components connected to it.
  • FIG. 1 shows a schematic longitudinal section through a high pressure pump
  • Figure 2 shows an enlarged view of a designated in Figure 1 with II section with the inlet valve of the high-pressure pump with a sacrificial anode according to a first Anlagensbeii- 3, the inlet valve with the sacrificial anode according to a second embodiment
  • Figure 4 shows the inlet valve with the sacrificial anode according to a third embodiment
  • Figure 5 the inlet valve with the sacrificial anode according to a fourth embodiment
  • Figure 6 the inlet valve with the sacrificial Ode de fifth embodiment.
  • a high pressure pump is shown in fragmentary form, which is provided for the production of fuel in a fuel injection system of an internal combustion engine.
  • the high-pressure pump has at least one pump element 10, which in turn has a pump piston 12, which is driven by a drive in a lifting movement, is guided in a cylinder bore 14 of a housing part 16 of the high pressure pump and in the cylinder bore 14 a pump working space 18 limited.
  • a drive for the pump piston 12 a
  • Drive shaft 20 may be provided with a cam 22 or eccentric on which the pump piston 12 is supported directly or via a plunger, for example a roller tappet.
  • the pump working chamber 18 can be connected to a fuel inlet 26 via an inlet valve 24 and via an outlet valve 28 to a reservoir 30.
  • the pump working chamber 18 can be filled with fuel when the inlet valve 24 is open.
  • fuel is expelled from the pump working chamber 18 and conveyed into the reservoir 30 when the inlet valve 24 is closed.
  • the inlet valve 24 has a piston-shaped valve member 34, the one in the through hole
  • a valve seat 40 is formed on the housing part 16, with which the valve member 34 cooperates with a formed on its head 38 sealing surface 42.
  • the through hole 32 has a larger diameter than in the shaft 36 of the valve member 34 leading section, so that the shaft 36 of the valve member 34 surrounding annular space 44 is formed.
  • the annular space 44 open one or more inlet bores 46, on the other hand open on the outside of the housing part 16.
  • valve member 34 protrudes on the pump working chamber 18 side facing away from the housing part 16 out of the through hole 32 and on this a support member 48 is attached.
  • a valve spring 50 is supported, on the other hand supported on a shaft 36 of the valve member 34 surrounding region of the housing part 16.
  • the inlet valve 24 is actuated by an electromagnetic actuator 60, which is shown in particular in Figures 2 and 3.
  • the actuator 60 is controlled by an electronic control device 62 as a function of operating parameters of the internal combustion engine to be supplied.
  • the electromagnetic actuator 60 has a magnetic coil 64, a magnetic core 66 and a magnet armature 68.
  • the electromagnetic actuator 60 is arranged on the pump working chamber 18 side facing away from the inlet valve 24.
  • the magnetic core 66 and the magnetic coil 64 are surrounded by an actuator housing 70 which is on the housing part
  • the actuator housing 70 is made of plastic and in this the magnetic coil 64 is received.
  • the actuator housing 70 can be fastened to the housing part 16 by means of a screw ring 72 that engages over it and which is screwed onto a collar 74 of the housing part 16 provided with an external thread.
  • the armature 68 is at least substantially cylindrical in shape and slidably guided over its outer jacket in a receptacle in the form of a bore 76 in a support member 78 in the direction of its longitudinal axis 69.
  • the bore 76 in the carrier element 78 extends at least approximately coaxially to
  • the magnet armature 68 has an at least approximately coaxial to the longitudinal axis 69 of the armature 68 arranged central blind bore 81 into which a on the valve member 34 remote from the armature 68 disposed return spring 82 projects, which is supported on the armature 68.
  • the return spring 82 is supported at its other end at least indirectly on the magnetic core 66, which has a central blind bore 84 into which the return spring 82 protrudes.
  • a support member 85 may be inserted for the return spring 82, for example, be pressed.
  • the magnet armature 68 has one or more through openings 91 to allow passage of fuel during the movement of the magnet armature 68.
  • annular shoulder 88 is formed by the diameter reduction to the further bore 77. Between the annular shoulder 88 and the magnet armature 68 may be arranged a stop element 90, by which the movement of the armature 68 is limited to the inlet valve 24.
  • the stop element 90 is sleeve-shaped and through this the magnet armature 68 protrudes toward the inlet valve 24 and comes at least indirectly on the valve member 34 to the plant.
  • the magnetic core 66 and the carrier element 78 are connected to one another via a sleeve-shaped connecting element 92, which on the magnetic core 66 and on the carrier element 78 by means of a respective one
  • a gap 94 is present between the support member 78, the magnetic core 66 and the connecting element 92 on the one hand and the surrounding actuator housing 70 on the other hand.
  • the gap 94 extends in the radial direction with respect to the longitudinal axis 69 of the magnet armature 68 between the carrier element 78, the connecting element 92 and the magnetic core 66 on the one hand and the actuator housing 70 on the other.
  • the intermediate space 94 extends along the carrier element 78, the connecting element 92 and the magnetic core 66 up to the end of the magnetic core 66 facing away from the carrier element 78.
  • At least one sacrificial anode 96 is arranged in the intermediate space 94, which is electrically conductively connected to the carrier element 78 and / or the connecting element 92 and / or the magnetic core 66 and which consists of a less noble metal than the carrier element 78 and / or the connecting element 92 and / or the magnetic core 66.
  • the carrier element 78, the connecting element 92 and the magnetic core 66 are usually made of ferrous alloys or steel.
  • the at least one sacrificial anode 96 is made, for example, of magnesium or aluminum or an alloy containing at least one of these metals.
  • the inlet valve 24 is shown with the sacrificial anode 96 according to a first embodiment.
  • the sacrificial anode 96 is sleeve-shaped and surrounds the connecting element 92 at least over part of its circumference, preferably over its entire circumference. In the direction of the longitudinal axis 69 of the magnet armature 68, the sacrificial anode extends over almost the entire length of the connecting element 92.
  • the sacrificial anode 96 is inserted into the actuator housing 70, in particular pressed into its outer jacket in this.
  • the sacrificial anode 96 is preferably connected to the carrier element 78 or alternatively electrically connected to the connecting element 92 or the magnetic core 66.
  • the electrically conductive connection of the sacrificial anode 96 to the carrier element 78, the connecting element 92 or the magnetic core 66 can be effected by direct contact or for example via at least one of the sacrificial anode 96 radially inwardly protruding preferably resilient contact arm 97.
  • the electrically conductive connection of the sacrificial anode 96 is produced.
  • the magnetic core 66 is connected to the carrier element 78 via the connecting element 92 and these parts consist of electrically conductive material results from the sacrificial anode 96 corrosion protection for these parts regardless of which of the parts sacrificial anode 96 is electrically conductively connected.
  • FIG. 3 shows the inlet valve 24 with the sacrificial anode 96 according to a second exemplary embodiment, wherein the sacrificial anode 96 is arranged in the region of the magnetic core 66.
  • the sacrificial anode 96 is ring-shaped and surrounds the magnetic core 66 at least over part of its circumference, preferably over its entire circumference.
  • the sacrificial anode 96 is preferred way electrically conductively connected to the magnetic core 66.
  • the extent of the annular sacrificial anode 96 in the direction of the longitudinal axis 69 is less than the extension of the sleeve-shaped sacrificial anode 96 according to the first embodiment.
  • FIG. 4 shows the inlet valve 24 with the sacrificial anode 96 according to a third exemplary embodiment, wherein the sacrificial anode 96 is arranged in the region of the carrier element 78 and has a ring shape.
  • the support member 78 has an at least approximately frusto-conical portion 79 connecting a cylindrical portion of the smaller diameter support member 78 on which the connection member 92 is disposed to a cylindrical portion of the larger diameter support member 78 facing the housing part 16 of the pump is arranged.
  • the sacrificial anode 96 according to the third embodiment is adapted to the portion 79 of the support member 78 is also frusto-conical and surrounds the portion 79 at least on a part of the circumference, preferably over the entire circumference, and is electrically conductively connected to the portion 79.
  • FIG. 5 shows the inlet valve 24 with the sacrificial anode 96 according to a fourth exemplary embodiment, wherein the sacrificial anode 96 is arranged in the region of the magnetic core 66.
  • the sacrificial anode 96 is arranged on the carrier element 78 facing away from the end face of the magnetic core 66 and formed disc-shaped.
  • the sacrificial anode 96 is electrically conductively connected to the magnetic core 66.
  • the sacrificial anode 96 is not designed as a form-containing component but introduced in the form of a powder or granules in the space 94.
  • the sacrificial anode 96 fills the gap 94 at least partially and is electrically conductively connected to the carrier element 78 and / or the connecting element 92 and / or the magnetic core 66.
  • the sacrificial anode 96 is symbolized in Figure 6 by a plurality of points. The function of the solenoid-operated intake valve will be described below
  • the intake valve til 24 opened by the valve member 34 is in its open position, in which this is arranged with its sealing surface 42 away from the valve seat 40.
  • the movement of the valve member 34 in its open position is effected by the prevailing between the fuel inlet 26 and the pump working chamber 18 pressure difference against the force of the valve spring 50.
  • the magnetic coil 64 of the actuator 60 may be energized or de-energized.
  • the solenoid 64 When the solenoid 64 is energized, the armature 68 is pulled by the resulting magnetic field against the force of the return spring 82 to the magnetic core 66 out.
  • the solenoid 64 is deenergized, the armature 68 is urged toward the inlet valve 24 by the force of the return spring 82.
  • the magnet armature 68 abuts at least indirectly on the end face of the shaft 36 of the valve member 34.
  • valve member 34 of the inlet valve 24 is in its open position or closed position.
  • the armature 68 is pressed by the return spring 82 in the direction of arrow B in Figure 2, wherein the valve member 34 is pressed by the armature 68 against the valve spring 50 in the direction of adjustment B in its open position.
  • the force of the force acting on the armature 68 return spring 82 is greater than the force of the valve member 34 acting on the valve spring 50.
  • the armature 68 acts on the valve member 34 and the armature 68 and the valve member 34 are together in the direction of adjustment B emotional.
  • the solenoid coil 64 is not energized can thus be promoted by the pump piston 12 no fuel in the memory 30 but displaced by the pump piston 12 fuel is fed back into the fuel inlet 26. If during the delivery stroke of the pump piston 12 fuel is to be conveyed into the reservoir 30, the magnetic coil 64 is energized, so that the magnet armature 68 is pulled toward the magnetic core 66 in a direction opposite to the direction of adjustment B as indicated by arrow A in FIG. By the armature 68 thus no force is exerted on the valve member 34, wherein the armature
  • the delivery rate of the high pressure pump can be set variably in the memory 30.
  • the intake valve 24 is kept open by the actuator 60 during a large part of the delivery stroke of the pump piston 12, and when a large fuel delivery amount is required, the intake valve 24 becomes only for a small part or not at all during the delivery stroke the pump piston 12 is kept open.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne une soupape d'admission (24) à commande électromagnétique destinée à une pompe haute pression, en particulier d'un système d'injection de carburant. La soupape d'admission (24) présente un élément de soupape (34) qui est déplaçable entre une position d'ouverture et une position de fermeture. La soupape d'admission comprend un actionneur électromagnétique (60) au moyen duquel l'élément de soupape (34) peut être déplacé, l'actionneur électromagnétique (60) comprenant une bobine magnétique (64), un noyau magnétique (66) et un noyau plongeur (68) qui agit au moins indirectement sur l'élément de soupape (34), lequel noyau plongeur est guidé de manière coulissante, dans la direction de son axe longitudinal (69), dans un logement (76) d'un élément porteur (78). Le noyau magnétique (66) et l'élément porteur (78) sont entourés par un boîtier (70). Au moins une anode sacrificielle (96) est disposée dans le boîtier (70) dans un espace intermédiaire (94) entre le boîtier (70) d'un côté et, de l'autre côté, l'élément porteur (78) et/ou le noyau magnétique (66) et/ou un élément de liaison (92) qui relie l'un à l'autre le noyau magnétique (66) et l'élément porteur (78). Ladite anode sacrificielle (96) est reliée de manière électriquement conductrice à l'élément porteur (78) et/ou au noyau magnétique (66) et/ou à l'élément de liaison (92). Ladite anode sacrificielle (96) se compose dans un métal moins noble que celui de l'élément porteur (78) et/ou du noyau magnétique (66) et/ou de l'élément de liaison (92).
PCT/EP2018/072630 2017-09-29 2018-08-22 Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission WO2019063209A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017217489.7A DE102017217489A1 (de) 2017-09-29 2017-09-29 Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE102017217489.7 2017-09-29

Publications (1)

Publication Number Publication Date
WO2019063209A1 true WO2019063209A1 (fr) 2019-04-04

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PCT/EP2018/072630 WO2019063209A1 (fr) 2017-09-29 2018-08-22 Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission

Country Status (2)

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DE (1) DE102017217489A1 (fr)
WO (1) WO2019063209A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3115344A1 (fr) * 2020-10-20 2022-04-22 Valeo Systemes D'essuyage Vanne solénoïde pour circuit de distribution de liquide de véhicule automobile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2648615A1 (de) * 1976-10-27 1978-05-03 Bbc Brown Boveri & Cie Staub- und gasdicht gekapselter elektrischer schalter
JPH05263725A (ja) * 1992-03-23 1993-10-12 Hitachi Ltd 燃料噴射弁
DE102012205699A1 (de) * 2012-04-05 2013-10-10 Robert Bosch Gmbh Kraftstoffinjektor, insbesondere Common-Rail-Injektor
DE102015212390A1 (de) 2015-07-02 2017-01-05 Robert Bosch Gmbh Elektromagnetisch betätigbares Saugventil für eine Hochdruckpumpe sowie Hochdruckpumpe
DE102016202945A1 (de) * 2016-02-25 2017-08-31 Robert Bosch Gmbh Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2648615A1 (de) * 1976-10-27 1978-05-03 Bbc Brown Boveri & Cie Staub- und gasdicht gekapselter elektrischer schalter
JPH05263725A (ja) * 1992-03-23 1993-10-12 Hitachi Ltd 燃料噴射弁
DE102012205699A1 (de) * 2012-04-05 2013-10-10 Robert Bosch Gmbh Kraftstoffinjektor, insbesondere Common-Rail-Injektor
DE102015212390A1 (de) 2015-07-02 2017-01-05 Robert Bosch Gmbh Elektromagnetisch betätigbares Saugventil für eine Hochdruckpumpe sowie Hochdruckpumpe
DE102016202945A1 (de) * 2016-02-25 2017-08-31 Robert Bosch Gmbh Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3115344A1 (fr) * 2020-10-20 2022-04-22 Valeo Systemes D'essuyage Vanne solénoïde pour circuit de distribution de liquide de véhicule automobile

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