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WO2017207134A1 - Injecteur de carburant - Google Patents

Injecteur de carburant Download PDF

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Publication number
WO2017207134A1
WO2017207134A1 PCT/EP2017/057806 EP2017057806W WO2017207134A1 WO 2017207134 A1 WO2017207134 A1 WO 2017207134A1 EP 2017057806 W EP2017057806 W EP 2017057806W WO 2017207134 A1 WO2017207134 A1 WO 2017207134A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel injection
injection valve
valve according
damping
valve
Prior art date
Application number
PCT/EP2017/057806
Other languages
German (de)
English (en)
Inventor
Lars Olems
Thomas Nierychlo
Oezguer Tuerker
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 EP17715133.9A priority Critical patent/EP3464871B1/fr
Priority to KR1020187034655A priority patent/KR102303559B1/ko
Priority to CN201780033827.4A priority patent/CN109312702A/zh
Publication of WO2017207134A1 publication Critical patent/WO2017207134A1/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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/002—Arrangement of leakage or drain conduits in or from injectors
    • 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
    • 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
    • F02M63/0078—Valve member details, e.g. special shape, hollow or fuel passages in the valve member
    • F02M63/008—Hollow valve members, e.g. members internally guided
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic 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
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
    • 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
    • F02M2200/9015—Elastomeric or plastic materials
    • 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
    • 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/003—Valve inserts containing control chamber and valve piston
    • 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
    • F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • 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
    • F02M63/0043—Two-way valves
    • 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
    • F02M63/0071—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059 characterised by guiding or centering means in valves including the absence of any guiding means, e.g. "flying arrangements"

Definitions

  • the invention relates to a fuel injection valve, as it is preferably used for the injection of fuel directly into a combustion chamber of an internal combustion engine.
  • Common Rail injectors have the advantage that the injection behavior can be controlled very precisely via the actuator, so that even complex, especially favorable for the combustion injection profiles can be realized.
  • the injection process can be optimized, which in turn contributes to a reduction of pollutant emissions.
  • DE 10 2007 025 617 A1 discloses a common rail injector, which has a separate vibration damping bore in addition to the high pressure bore extending essentially parallel to the injector axis.
  • the vibration damping hole is located here in the injector in the high pressure area and counteracts emerging pressure oscillations by these are attenuated by the periodic inflow and outflow of fuel into the vibration damping hole.
  • the invention has the object of developing a fuel injection valve, in particular a common rail injector, according to the preamble of claim 1 in a manner that pressure oscillations are reduced within the fuel injection valve and thus the injection behavior of the injector is no longer impaired. As a result, stable multiple injections can be realized.
  • the fuel injection valve comprises an injector housing in which a high-pressure region and a low-pressure region are formed.
  • the fuel injection valve has a nozzle needle which cooperates with a sealing seat for opening and closing at least one injection opening.
  • the fuel injection valve has a control valve, which can divert fuel from a control chamber formed in the high-pressure region into the low-pressure region. In the low pressure region while a damping element for damping pressure oscillations is arranged.
  • the damping element is designed as a damping space defining and sealing membrane.
  • the membrane is preferably made of a
  • the membrane can be welded, for example, to the damping chamber.
  • this weld must be installed so that no fuel can penetrate into the damping chamber. Otherwise, the damping function can not be guaranteed over the entire service life of the fuel injection valve.
  • the damping chamber is filled with a gas, preferably air.
  • PA polyamide
  • PA foam maintains its strength up to temperatures of 210 degrees Celsius and is therefore suitable for use in a fuel injection valve.
  • the injector housing of the fuel injection valve comprises a valve body and a nozzle body, in which a valve piece is arranged.
  • the valve piece comprises a connection in the form of a discharge throttle from the high-pressure region into the low-pressure region.
  • the damping element is advantageously arranged for damping pressure oscillations. It is arranged in the part of the damping element, which faces the low-pressure region.
  • the damping element can also be designed as a cylindrical insert part, which is arranged directly in the low-pressure region between the valve piece and a valve clamping element.
  • the solenoid valve designed as a control valve of the fuel injection valve on a magnetic coil.
  • the control valve comprises an anchor bolt and a magnet armature.
  • valve piece has a nozzle needle facing away from designed as a hollow cylinder end portion in which the armature is guided.
  • the valve piece also has an end region facing the nozzle needle, in which the end region of the nozzle needle facing away from the sealing seat is guided.
  • the nozzle body defines a high-pressure area formed in the high pressure area, in which the nozzle needle is received.
  • a return spring is arranged, which is supported on the one hand on a shoulder of the nozzle needle and on the other hand on the nozzle body. The return spring acts on the nozzle needle with a force in the direction of the at least one injection opening.
  • an inventive fuel injection valve is shown. It shows in 1 shows a fuel injection valve according to the invention in longitudinal section, FIG. 2 shows an inventive damping element in cross-section,
  • FIG. 5 a shows an enlarged detail of the fuel injection valve according to the invention in the region of the valve piece with the damping element designed as an insert part.
  • FIG. 5 b shows a damping element designed as a cylindrical insert.
  • FIG. 1 shows a fuel injection valve according to the invention with an injector housing 1 which comprises a valve body 2 and a nozzle body 3.
  • an injector housing 1 which comprises a valve body 2 and a nozzle body 3.
  • the valve body 2 is a magnetic core 16 with a magnet armature holding member
  • the control valve 30 in this case comprises an anchor bolt 17 and a magnet armature 19. Between the armature 19 and the magnetic core 16, a residual air gap disc 24 is arranged, which prevents the armature 19 with active magnetic coil 14 directly to the magnetic core
  • a spring 36 is arranged, which acts on the magnet armature 19 with a force against the direction of the magnetic coil 14.
  • the solenoid 14 and the control valve 30 are also arranged in a low-pressure region 13.
  • a valve piece 18 is arranged in the valve body 2, which is fixed with a valve clamping element 20 in the valve body 2.
  • the valve piece 18 has a nozzle body 3 facing away from, designed as a hollow cylinder 26 end portion in which the magnet armature 19 is guided.
  • the designed as a hollow cylinder 26 end portion of the valve member 18 has a flow channel 22.
  • the valve piece 18 also has a central part 27, in which a further outlet throttle 23 is formed.
  • the low-pressure region 13 is formed with a high-pressure region 29 formed in a high-pressure region 29.
  • ten control room 8 connectable.
  • the valve body 2, together with the nozzle body 3, comprises a nozzle needle 5, which cooperates with a sealing seat 11 formed on the nozzle body 3 for opening and closing at least one injection opening 6.
  • a high-pressure chamber 7 is formed in the nozzle body 3, in which a return spring 9 is arranged. This is based, on the one hand, on the nozzle body 3 and, on the other hand, on a shoulder 10 formed on the nozzle needle 5.
  • the return spring 9 acts on the nozzle needle 5 with a force in the direction of the at least one injection opening 6.
  • the nozzle needle 5 is received in the valve piece 18 with its end section facing away from the sealing seat 11. This is formed with its the nozzle needle 5 facing end portion 28 as a hollow cylinder.
  • the nozzle needle 5 facing end portion 28 of the valve member 18 and the sealing seat 11 remote end portion of the nozzle needle 5 limit the control chamber 8.
  • This is connected via an inlet throttle 32 with an inlet channel 12 which is filled with fuel under high pressure.
  • the high-pressure chamber 7 is connected to the inlet channel 12.
  • the armature 19 moves in the direction of the solenoid 14.
  • the armature 19 lifts off from the sealing seat 33 of the valve member 18 and thus allows a drainage of fuel from the formed in the high-pressure region 29 control chamber 8 via the Due to the resulting different pressure ratio in the control chamber 8 and the high-pressure chamber 7, the nozzle needle 5 lifts off from the sealing seat 11 and releases the at least one injection port 6, so that fuel can escape from the high pressure chamber 7 in a combustion chamber of an internal combustion engine.
  • the valve member 18 in Figure 1 at least one damping element 21 for damping of pressure oscillations in the low pressure region 13.
  • this damping element 21 is formed in the end region of the valve piece 18, which is designed as a hollow cylinder 26 and faces away from the nozzle body 3.
  • the damping element 21 is formed from a membrane 25 and a damping chamber 31.
  • the membrane 25 is preferably, as shown in Figure 2, made of a wave-shaped (37) metal, which can absorb pressure oscillations resulting in the fuel injection valve. Due to the waveform, the membrane 25 can absorb the pressure oscillations easier. In principle, other forms and another material, such as plastics, are possible, which ensure a good recording of pressure oscillations.
  • the damping chamber 31 is filled with a gas, preferably air, and is sealed by the membrane in a sealing manner from the fuel located in the fuel injection valve. In this case, the membrane can be attached to the damping chamber 31, for example via a welding process. However, the weld must be formed so that no fuel can penetrate into the damping chamber 31.
  • the damping chamber 31 may also be filled with a PA (polyamide) foam.
  • PA polyamide
  • This closed cell foam does not allow a medium, such as fuel, to penetrate it.
  • the damping properties of the PA foam are maintained. Due to its high strength up to temperatures of 210 degrees Celsius, it is particularly well suited for use in fuel injection valves.
  • the shape of the damping space 31 may be formed as a bore or a groove in the damping element 21.
  • FIG. 3 shows the fuel injection valve according to the invention from FIG. 1 on an enlarged scale in the area of the valve piece 18.
  • the damping element 21 is formed in the end portion of the valve piece facing away from the nozzle body 3 as in FIG. In this embodiment, however, two damping elements 21 are present, so that in
  • Damping space 31 of the first damping element 34, the second damping element 35 is arranged and protrudes with its membrane in the damping chamber 31 of the first damping element 34.
  • Figure 4 also shows the fuel injection valve of Figure 1 according to the invention in an enlarged view in the region of the valve member 18.
  • the damping element 21 is disposed in the central portion 27 of the valve member 18. In principle, however, it is not necessary to arrange the damping element 21 in the valve piece 18. It can also be arranged in another component in the low-pressure region 13 of the fuel injection valve.
  • the damping element 21 is formed as a cylindrical insert 38, wherein the cylinder jacket forms the damping chamber 31 and the membrane 25.
  • the insert 38 as shown in Figure 5b, fixed between the valve member 18 and the valve clamping element 20, for example, glued o- welded.

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)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne un injecteur de carburant comprenant un corps d'injecteur (1) dans lequel sont réalisés une zone haute pression (29) et une zone basse pression (13), l'injecteur de carburant comprenant une aiguille d'injecteur (5), qui coopère avec un siège d'étanchéité (11) pour ouvrir et fermer au moins un orifice d'injection (6), et une soupape de commande (30). Cette soupape de commande (30) peut décharger du carburant dans la zone basse pression (13) à partir d'une chambre de commande (8) réalisée dans la zone haute pression (29). Selon l'invention, un élément d'amortissement (21) destiné à amortir des pulsations de pression est placé dans la zone basse pression (13).
PCT/EP2017/057806 2016-06-01 2017-04-03 Injecteur de carburant WO2017207134A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP17715133.9A EP3464871B1 (fr) 2016-06-01 2017-04-03 Injecteur de carburant
KR1020187034655A KR102303559B1 (ko) 2016-06-01 2017-04-03 연료 분사 밸브
CN201780033827.4A CN109312702A (zh) 2016-06-01 2017-04-03 燃料喷射阀

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016209546.3A DE102016209546A1 (de) 2016-06-01 2016-06-01 Kraftstoffeinspritzventil
DE102016209546.3 2016-06-01

Publications (1)

Publication Number Publication Date
WO2017207134A1 true WO2017207134A1 (fr) 2017-12-07

Family

ID=58464564

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/057806 WO2017207134A1 (fr) 2016-06-01 2017-04-03 Injecteur de carburant

Country Status (5)

Country Link
EP (1) EP3464871B1 (fr)
KR (1) KR102303559B1 (fr)
CN (1) CN109312702A (fr)
DE (1) DE102016209546A1 (fr)
WO (1) WO2017207134A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018202916A1 (de) * 2018-02-27 2019-08-29 Robert Bosch Gmbh Kraftstoffinjektor
CN115163342B (zh) * 2022-07-06 2024-01-09 一汽解放汽车有限公司 喷射器及动力装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0908618A2 (fr) * 1997-10-09 1999-04-14 Denso Corporation Dispositif d'injection de combustible à accumulation
EP1617072A2 (fr) * 2004-07-17 2006-01-18 Robert Bosch Gmbh Système d'injection de carburant pour moteur à combustion interne
DE102007025617A1 (de) 2007-06-01 2008-12-04 Robert Bosch Gmbh Kraftstoffinjektor mit geringem Verschleiß
FR2920835A1 (fr) * 2007-09-12 2009-03-13 Bosch Gmbh Robert Injecteur avec amortisseur hydraulique
DE102008000695A1 (de) * 2008-03-17 2009-09-24 Robert Bosch Gmbh Anschlagdämpfung
DE102008000929A1 (de) * 2008-04-02 2009-10-08 Robert Bosch Gmbh Hydraulische Dämpfung
DE102008001281A1 (de) * 2008-04-21 2009-10-22 Robert Bosch Gmbh Injektor
DE102011078564A1 (de) * 2011-07-04 2013-01-10 Robert Bosch Gmbh Steuerventil für einen Kraftstoffinjektor und Kraftstoffinjektor
DE102013003104A1 (de) * 2013-02-25 2014-08-28 L'orange Gmbh Krafftstoffinjektor
EP2910767A1 (fr) * 2014-02-24 2015-08-26 Delphi International Operations Luxembourg S.à r.l. Injecteur de carburant
DE102014219199A1 (de) * 2014-09-23 2016-03-24 Robert Bosch Gmbh Kraftstoffinjektor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10052604A1 (de) * 2000-10-24 2002-05-02 Bosch Gmbh Robert Magnetventil zur Steuerung eines Einspritzventils einer Brennkraftmaschine
DE102010042622A1 (de) * 2010-10-19 2012-04-19 Robert Bosch Gmbh Kraftstoffinjektor, inbesondere Common-Rail-Injektor
DE102012220031A1 (de) * 2012-11-02 2014-05-08 Robert Bosch Gmbh Kraftstoffinjektor

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0908618A2 (fr) * 1997-10-09 1999-04-14 Denso Corporation Dispositif d'injection de combustible à accumulation
EP1617072A2 (fr) * 2004-07-17 2006-01-18 Robert Bosch Gmbh Système d'injection de carburant pour moteur à combustion interne
DE102007025617A1 (de) 2007-06-01 2008-12-04 Robert Bosch Gmbh Kraftstoffinjektor mit geringem Verschleiß
FR2920835A1 (fr) * 2007-09-12 2009-03-13 Bosch Gmbh Robert Injecteur avec amortisseur hydraulique
DE102008000695A1 (de) * 2008-03-17 2009-09-24 Robert Bosch Gmbh Anschlagdämpfung
DE102008000929A1 (de) * 2008-04-02 2009-10-08 Robert Bosch Gmbh Hydraulische Dämpfung
DE102008001281A1 (de) * 2008-04-21 2009-10-22 Robert Bosch Gmbh Injektor
DE102011078564A1 (de) * 2011-07-04 2013-01-10 Robert Bosch Gmbh Steuerventil für einen Kraftstoffinjektor und Kraftstoffinjektor
DE102013003104A1 (de) * 2013-02-25 2014-08-28 L'orange Gmbh Krafftstoffinjektor
EP2910767A1 (fr) * 2014-02-24 2015-08-26 Delphi International Operations Luxembourg S.à r.l. Injecteur de carburant
DE102014219199A1 (de) * 2014-09-23 2016-03-24 Robert Bosch Gmbh Kraftstoffinjektor

Also Published As

Publication number Publication date
CN109312702A (zh) 2019-02-05
EP3464871B1 (fr) 2020-12-23
DE102016209546A1 (de) 2017-12-07
EP3464871A1 (fr) 2019-04-10
KR102303559B1 (ko) 2021-09-23
KR20190014508A (ko) 2019-02-12

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