WO2016058805A1 - Vanne d'admission à commande électromagnétique et pompe à haute pression pourvue d'une vanne d'admission - Google Patents

Vanne d'admission à commande électromagnétique et pompe à haute pression pourvue d'une vanne d'admission Download PDF

Info

Publication number
WO2016058805A1
WO2016058805A1 PCT/EP2015/072097 EP2015072097W WO2016058805A1 WO 2016058805 A1 WO2016058805 A1 WO 2016058805A1 EP 2015072097 W EP2015072097 W EP 2015072097W WO 2016058805 A1 WO2016058805 A1 WO 2016058805A1
Authority
WO
WIPO (PCT)
Prior art keywords
inlet valve
valve member
valve
armature
magnet armature
Prior art date
Application number
PCT/EP2015/072097
Other languages
German (de)
English (en)
Inventor
Tobias Landenberger
Hans Heber
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 WO2016058805A1 publication Critical patent/WO2016058805A1/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
    • F02M59/368—Pump inlet valves being closed when actuated
    • 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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric 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
    • 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
    • F02M63/0021—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures
    • F02M63/0022—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures the armature and the valve being allowed to move relatively to each other
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/108—Valves characterised by the material
    • F04B53/1082—Valves characterised by the material magnetic
    • 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
    • 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
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/02—Fuel-injection apparatus having means for reducing wear
    • 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
    • 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
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger

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 actuated inlet valve for a high-pressure pump in particular a radial or inline piston pump for a fuel! injection system, is known from DE 10 2010 027 745 A1.
  • the high-pressure pump has at least one pump element with a pump piston driven in a stroke movement, which delimits a pump working space.
  • the pump working space can be connected to an inlet for the fuel via the inlet valve.
  • the inlet valve is arranged in a recess of a housing part of the high-pressure pump designed as a cylinder head and is fixed in position by means of a screw plug screwed into the cylinder head.
  • the inlet valve comprises a valve housing and a valve member which cooperates with a valve seat formed on the valve housing for control.
  • the inlet valve comprises an electromagnetic actuator, through which the valve member is movable.
  • the electromagnetic actuator has a solenoid formed as a plunger armature, which is connected to the valve member, and a magnetic coil to generate a force acting on the armature magnetic field when the solenoid is energized.
  • the armature and the valve member are connected together and form a structural unit which is moved together, whereby it has a large mass.
  • this is associated with a strong noise and the dynamics of the intake valve, that is, the switching speed between the open and closed position is deteriorated.
  • the inlet valve according to the invention with the features of claim 1 has the advantage that the armature acts only in the first to be effected by the armature first actuating direction of the valve member, while in the opposite second direction of adjustment no connection between the armature and valve member is present and thus only the individual masses are moved and come to a stop to the plant. This reduces the risk of wear and damage and noise and improves the dynamics of the intake valve.
  • inlet valve according to the invention advantageous refinements and developments of the inlet valve according to the invention are given.
  • the embodiment according to claim 3 an independent provision of the armature and the valve member in the second direction of adjustment is possible.
  • the embodiment according to claim 5 allows a low-wear guidance of the magnet armature.
  • the embodiment according to claim 7 or 8 allows a low weight and thus high dynamics of the armature.
  • a high-pressure pump with an inlet valve according to the invention for connecting a pump working chamber of the high-pressure pump with a fuel feed is proposed.
  • the inlet valve is inserted into a housing part of the high-pressure pump.
  • FIG. 1 shows a schematic longitudinal section through a high-pressure pump
  • FIG. 2 shows an enlarged view of a detail designated II in FIG. 1 with the inlet valve of the high-pressure pump.
  • a high pressure pump is shown in fragmentary form, which is provided for fuel delivery 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 and limits a pump working space 16 in the cylinder bore 14.
  • a drive shaft 18 may be provided with a cam 20 or eccentric on which the pump piston 12 is supported directly or via a plunger, for example a roller tappet.
  • the pump working space 16 can be connected to a fuel inlet 21 via an inlet valve 22 and via an outlet valve 24 to a reservoir 26.
  • the inlet valve 22 is inserted, for example, into a bore 27 of a housing part 28 of the high-pressure pump.
  • the pump working chamber 16 can be filled with fuel when the inlet valve 22 is open.
  • the delivery stroke of the pump piston 12 is displaced by this fuel from the pump working chamber 16 and conveyed into the memory 26.
  • the inlet valve 22 shown enlarged in FIG. 2 has a valve housing 30 in which a piston-shaped valve member 34 is movably guided in a bore 32.
  • a piston-shaped valve member 34 is movably guided in a bore 32.
  • the bore 32 of the valve housing 30 opens at least one, preferably a plurality of radial bores 36, which are in hydraulic communication with the fuel inlet 21.
  • the valve housing 30 may be surrounded by a screen element 38 in order to prevent any particles contained in the fuel from entering the inlet valve 22 and the pump working chamber 16.
  • the valve housing 30 is directly or via a
  • Seal 40 on a shoulder 29 of the bore 27 in the pump housing part 28th supported to seal the pump chamber 16 from the fuel inlet.
  • An axial contact pressure of the valve housing 30 is effected, for example, via a closure screw 42, which is screwed into the bore 27 of the pump housing part 28 and supported on the valve housing 30.
  • the valve member 34 has at its projecting into the pump working chamber 16 end a head 44 with respect to the shaft 46 of the valve member 34 of larger diameter. On the side facing the shaft 46, an annular sealing surface 48 is formed on the head 44, with which the valve member 34 with an am
  • valve member 34 protrudes with its end remote from the pump working chamber 16 from the bore 32 of the valve housing 30 and the end region is supported by a spring plate 52 from a valve spring 54, through which the valve member 34 is acted upon in the closing direction. In its closed position, the valve member 34 with its sealing surface 48 sealingly against the valve seat 50, so that the pump working chamber 16 is separated from the fuel inlet.
  • the inlet valve 22 is actuated by an electromagnetic actuator 56.
  • the actuator 56 is controlled by an electronic control device 86 as a function of operating parameters of the internal combustion engine to be supplied.
  • the electromagnetic actuator 56 has a magnetic coil 58, a magnetic core 60 and a magnet armature 62.
  • the electromagnetic actuator 56 is arranged on the pump working chamber 16 side facing away from the inlet valve 22 net.
  • the magnetic core 60 and the magnet coil 58 are arranged in a housing part 64, which is connected to the closure screw 42.
  • the armature 62 is formed at least substantially cylindrical and slidably guided over its outer shell in a bore 66 in the locking screw 42.
  • the bore 66 in the closure screw 42 runs at least approximately coaxially with the bore 32 in the valve housing 30.
  • the armature 62 in a central region on a receptacle, which is formed for example as a blind bore 68 and into which protrudes a projecting from the end region of the valve member 34 pin 35.
  • the pin 35 is arranged in the blind bore 68 with a radial clearance, so that the valve member 34 is movable with respect to the armature 62.
  • the zap Fen 35 can come with its lying in the blind bore 68 front end at the bottom of the blind bore 68 in the armature 62 to the plant.
  • this has at least one recess 70 between the central region with the blind bore 68 and its outer jacket.
  • the recess 70 surrounds the central area with the blind bore 68 over its entire circumference.
  • the magnet armature 62 also has a further blind bore 72 extending from the side of the magnet armature 62 facing away from the inlet valve 22, which is separated from the blind bore 68 and runs at least approximately coaxially with the blind bore 68.
  • the further blind bore 72 may be connected to the recess 70 via one or more radially or obliquely extending holes 74.
  • annular shoulder 76 facing the end face of the armature 62 is formed.
  • a return spring 78 is supported for the armature 62, on the other hand, at least indirectly supported on the housing part 64.
  • annular shoulder 80 is formed by a reduction in diameter between the armature 62 and the inlet valve 22, which forms a stop for the armature 62 for limiting its movement to the inlet valve 22.
  • the inlet valve 22 is opened by the valve member 34 is in its open position, in which this is arranged with its sealing surface 48 away from the valve seat 50.
  • the movement of the valve member 34 in its open position is effected by the prevailing between the fuel inlet 21 and the pump chamber 16 pressure difference against the force of the valve spring 54.
  • the magnet coil 58 of the actuator 56 can be energized or de-energized.
  • the solenoid coil 58 is energized so the armature 62 is pulled by the resulting magnetic field against the force of the return spring 78 to the solenoid coil 58 out.
  • the solenoid coil 58 is deenergized, the armature 62 is urged toward the inlet valve 22 by the force of the return spring 78 and held in abutment with the annular shoulder 80.
  • the actuator 56 determines whether the valve member 34 of the inlet valve 22 is in its open position or closed position.
  • the armature 62 When energized solenoid 58, the armature 62 is pressed by the return spring 78 in a first direction of adjustment according to arrow A in Figure 2 in abutment against the annular shoulder 80, wherein the valve member 34 is pressed by the armature 62 against the valve spring 54 in the first direction of adjustment in its open position becomes.
  • the force of the restoring spring 78 acting on the magnet armature 62 is greater than the force of the valve spring 54 acting on the valve member 34.
  • the magnet armature 62 acts on the valve member 34 and the magnet armature 62 and the valve member 34 become common in the first Positioning A moves.
  • the solenoid coil 58 is not energized can thus be promoted by the pump piston 12, no fuel in the memory 26 but displaced by the pump piston 12 fuel is fed back into the fuel inlet 21. If during the delivery stroke of the pump piston 12 fuel is to be conveyed into the reservoir 26, the magnet coil 58 is energized so that the magnet armature 62 is pulled towards the magnet coil 58 in a second direction of adjustment opposite to the first direction A according to arrow B in FIG.
  • the intake valve 34 When a small fuel delivery amount is required, the intake valve 34 is kept open by the actuator 56 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 34 becomes only for a small part or not at all during the delivery stroke the pump piston 12 is kept open.
  • the Magnetic armature 62 in the second direction of adjustment B also comes to rest on a stop, which may be formed for example by a arranged between the magnetic core 60 and the armature 62 residual air gap disc 82.
  • a stop which may be formed for example by a arranged between the magnetic core 60 and the armature 62 residual air gap disc 82.
  • the movement of the armature 62 is damped in the second direction of adjustment B shortly before reaching the stop 82, so that the impact velocity of the magnet armature 62 is reduced at stop 82.
  • the damping of the magnet armature 62 can be done hydraulically by the armature 62 dips into a fuel-filled space 84, from which fuel can flow out only via a throttled drain when immersing the magnet armature 62.
  • An attenuation of the movement of the valve member 34 in the second direction of adjustment B to its closed position should not take place, since a rapid closing of the inlet valve 34 is important for the function of the high-pressure pump.
  • the armature 62 in the second actuating direction B performs a greater stroke than the valve member 34 and damping of the magnet armature 62 takes place only with a larger path of movement in the second actuating direction B than the path of movement of the valve member 34 until it has reached its closed position ,

Landscapes

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

Abstract

L'invention concerne une vanne d'admission (22) à commande électromagnétique, destinée à une pompe à haute pression, en particulier un système d'injection de carburant, qui comprend un élément de vanne (34) qui est mobile entre une position ouverte et une position fermée. Dans sa position fermée, l'élément de vanne (34) vient en appui sur un siège de vanne (50) servant de butée. L'élément de vanne (34) peut être déplacé par un actionneur électromagnétique (56) ; l'actionneur électromagnétique (56) comprend un induit (62) agissant sur l'élément de vanne (34). L'induit (62) agit sur l'élément de vanne (34) uniquement dans un premier sens de réglage (A) et l'élément de vanne (34) et l'induit (62) indépendamment l'un de l'autre dans un second sens de déplacement opposé (B).
PCT/EP2015/072097 2014-10-16 2015-09-25 Vanne d'admission à commande électromagnétique et pompe à haute pression pourvue d'une vanne d'admission WO2016058805A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014220975.7A DE102014220975A1 (de) 2014-10-16 2014-10-16 Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE102014220975.7 2014-10-16

Publications (1)

Publication Number Publication Date
WO2016058805A1 true WO2016058805A1 (fr) 2016-04-21

Family

ID=54185978

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/072097 WO2016058805A1 (fr) 2014-10-16 2015-09-25 Vanne d'admission à commande électromagnétique et pompe à haute pression pourvue d'une vanne d'admission

Country Status (2)

Country Link
DE (1) DE102014220975A1 (fr)
WO (1) WO2016058805A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015210525A1 (de) 2015-06-09 2016-12-15 Robert Bosch Gmbh Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE102016219956B3 (de) 2016-10-13 2017-08-17 Continental Automotive Gmbh Verfahren zum Einstellen eines Dämpfungsstroms eines Einlassventils eines Kraftfahrzeug-Hochdruckeinspritzsystems, sowie Steuervorrichtung, Hochdruckeinspritzsystem und Kraftfahrzeug
DE102016220364A1 (de) * 2016-10-18 2018-04-19 Robert Bosch Gmbh Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE102016224050A1 (de) 2016-12-02 2018-06-07 Robert Bosch Gmbh Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE102016224722A1 (de) 2016-12-12 2018-06-14 Robert Bosch Gmbh Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3598610B2 (ja) * 1995-10-17 2004-12-08 株式会社デンソー 電磁弁およびこれを用いた燃料ポンプ
DE102011076784A1 (de) * 2011-05-31 2012-12-06 Continental Automotive Gmbh Einlassventil für eine Fluidpumpe und Montageverfahren für ein Einlassventil für eine Fluidpumpe
EP2687712A1 (fr) * 2012-07-19 2014-01-22 Delphi Technologies Holding S.à.r.l. Ensemble de soupape
EP2687713A1 (fr) * 2012-07-19 2014-01-22 Delphi Technologies Holding S.à.r.l. Ensemble de soupape
EP2703625A1 (fr) * 2011-04-27 2014-03-05 Toyota Jidosha Kabushiki Kaisha Dispositif de mesure destiné à une pompe haute pression
DE102012218593A1 (de) * 2012-10-12 2014-04-17 Continental Automotive Gmbh Ventil für eine Pumpe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010027745A1 (de) 2010-04-14 2011-10-20 Robert Bosch Gmbh Hochdruckpumpe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3598610B2 (ja) * 1995-10-17 2004-12-08 株式会社デンソー 電磁弁およびこれを用いた燃料ポンプ
EP2703625A1 (fr) * 2011-04-27 2014-03-05 Toyota Jidosha Kabushiki Kaisha Dispositif de mesure destiné à une pompe haute pression
DE102011076784A1 (de) * 2011-05-31 2012-12-06 Continental Automotive Gmbh Einlassventil für eine Fluidpumpe und Montageverfahren für ein Einlassventil für eine Fluidpumpe
EP2687712A1 (fr) * 2012-07-19 2014-01-22 Delphi Technologies Holding S.à.r.l. Ensemble de soupape
EP2687713A1 (fr) * 2012-07-19 2014-01-22 Delphi Technologies Holding S.à.r.l. Ensemble de soupape
DE102012218593A1 (de) * 2012-10-12 2014-04-17 Continental Automotive Gmbh Ventil für eine Pumpe

Also Published As

Publication number Publication date
DE102014220975A1 (de) 2016-04-21

Similar Documents

Publication Publication Date Title
EP1636484B1 (fr) Injecteur pour moteurs a combustion interne
WO2016058805A1 (fr) Vanne d'admission à commande électromagnétique et pompe à haute pression pourvue d'une vanne d'admission
WO2018001626A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
DE102012221157A1 (de) Druckregelventil für einen Hochdruckspeicher eines Verbrennungsmotors
DE102016224722A1 (de) Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
EP3390807B1 (fr) Soupape dans une pompe haute pression d'un système d'injection de carburant
EP3387247B1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
WO2017108343A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
EP3423717B1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
WO2019197067A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
WO2017050463A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
DE102017202305A1 (de) Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
WO2017067715A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
DE102008002605A1 (de) Direkt betätigter Kraftstoffinjektor
WO2016134930A1 (fr) Soupape de régulation de pression compensé par pression partielle pour un accumulateur haute pression
DE102017203572A1 (de) Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
WO2020083550A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
DE102015214269A1 (de) Elektromagnetisch betätigbares Saugventil für eine Hochdruckpumpe sowie Hochdruckpumpe
DE102016224050A1 (de) Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE102017206492A1 (de) Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE102020209574A1 (de) Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE102015210525A1 (de) Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
EP2880297B1 (fr) Pompe haute pression pour moteur à combustion interne
WO2019115056A1 (fr) Soupape d'admission à actionnement électromagnétique et pompe à carburant haute pression
WO2018197152A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15767531

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15767531

Country of ref document: EP

Kind code of ref document: A1