WO2015058929A1 - Injecteur de carburant - Google Patents

Injecteur de carburant Download PDF

Info

Publication number
WO2015058929A1
WO2015058929A1 PCT/EP2014/070867 EP2014070867W WO2015058929A1 WO 2015058929 A1 WO2015058929 A1 WO 2015058929A1 EP 2014070867 W EP2014070867 W EP 2014070867W WO 2015058929 A1 WO2015058929 A1 WO 2015058929A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel injector
guide
guide element
injector according
valve element
Prior art date
Application number
PCT/EP2014/070867
Other languages
German (de)
English (en)
Inventor
Henning Kreschel
Stefan Haug
Angel Susvilla
Alexander Madlener
Andreas Rettich
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 CN201480058638.9A priority Critical patent/CN105658946B/zh
Priority to EP14777325.3A priority patent/EP3060789B1/fr
Publication of WO2015058929A1 publication Critical patent/WO2015058929A1/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
    • 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
    • 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
    • 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
    • F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
    • F02M63/0042—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing combined with valve seats of the lift valve type
    • 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
    • F02M63/0073—Pressure balanced 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
    • F02M63/0078—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
    • F02M2200/02—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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/003—Valve inserts containing control chamber and valve piston

Definitions

  • the invention relates to a fuel injector according to the preamble of claim 1.
  • Such a fuel injector is known from DE 10 2008 003 348 A1 of the applicant.
  • the fuel injector serving as part of a common-rail injection system in self-igniting internal combustion engines has a nozzle needle whose end facing away from the injection openings into a valve piece in the
  • Submerged valve housing Within the valve piece, a control chamber is formed, which via a Abiaufbohrung in a low pressure region of the fuel! njek- tors relieved. About the pressure prevailing in the control chamber, the movement of the nozzle needle for opening or closing the injection openings is controlled in a known manner. This is done by a valve element on the low pressure side of the fuel! Njektors is arranged, and closes the Abiaufbohrung in a lowered position or releases them in a raised position.
  • the valve element is integrally formed in the known fuel injector as an extension of a substantially disc or sleeve-shaped magnet armature, which cooperates with a magnetic coil, which causes a lifting of the valve element from its closing theêtboh- tion during energization.
  • the magnet armature is subjected to a force by a compression spring in the direction of the closed position of the valve element in order to ensure that no fuel can escape from the control chamber when the solenoid is de-energized or the nozzle needle is in its position closing the injection openings.
  • the armature is axially guided in a pin-shaped guide element, which passes through a partially formed in the magnet armature through hole.
  • Transverse forces act, which in particular lead at relatively high system pressures to the fact that the guide element can not move (laterally) due to the relatively high axial compressive force in the region of the contact point of the guide element on the housing-fixed element, so that it due to the relatively close fit between the outer diameter of the guide element and the through hole in the armature to increased wear or increased friction occurs.
  • the invention is based on the object, a fuel! Further develop according to the preamble of claim 1 such that when the occurrence of shear forces on the guide element or the cooperating with the guide member components increased wear is avoided, at the same time no or only a relatively small increase in friction between the components should occur to ensure a slight axial movement of the valve member.
  • This object is achieved with a fuel! Njektor solved with the features of claim 1 characterized in that axially spaced from the first weakening region of the
  • Guide region of the guide element is arranged at least a second weakening region, in which the cross section of the guide element is reduced.
  • Length of the guide element outside the guide section in the valve element is between 50% and 80% of said length. This makes it possible even with a relatively small deflection or a relatively small tilt angle of an intermediate portion of the guide element that relatively large transverse movements of the valve element can be realized or due to the relatively large transverse movement, the frictional force in the guide of the valve element is relatively low.
  • the guide element In order to enable an unimpeded movement or deformation of the guide element, it is provided in particular that at least the intermediate portion of the guide element between the two weakened areas is not guided radially. This is understood to mean that, irrespective of the deflection of the guide element, the deflected intermediate section is not in contact with a component, so that in particular no undefined forces can act on the guide element.
  • the guide element has a flat end face on the side facing the housing element.
  • a particularly simple and accurate production of the guide element can be achieved if the guide element is cylindrical and has a constant cross-section, with the exception of the at least two weakened areas.
  • the at least two weakened areas in the guide element can be formed in a particularly simple manner if the weakened areas are designed in the form of radially encircling annular grooves. Moreover, this has the additional advantage that, regardless of the angular position of the guide element in all directions, a movement or tilting of the guide element is made possible.
  • the weakened areas are formed in the form of notches or notches.
  • asymmetrical properties with regard to the bending characteristic of the guide element can be achieved, that is to say that the guide element can be deflected particularly easily in one direction, whereas deflection in another direction is made more difficult.
  • it may be provided to arrange the guide element rotationally fixed.
  • the weakened areas are rounded or provided with a radius.
  • the invention is preferably used in fuel injectors in which the pressure in the control chamber is at least 2000 bar. At such high control pressures or system pressures, such a high axial compressive force on the Guide element generates that the effects mentioned in terms of increased friction or wear without the inventive training are particularly significant or pronounced.
  • Fig. 1 is a longitudinal section through a portion of an inventive
  • Fig. 2 shows a detail of Fig. 1 in a modified guide element
  • Fig. 3 is a schematic diagram for explaining the different functional sections of the guide element.
  • the fuel injector 10 is part of a common rail injection system for injecting fuel in a combustion chamber, not shown, a self-igniting internal combustion engine.
  • the force pressure provided by the fuel injection system is more than 2000 bar.
  • the fuel injector 10 has an injector 1 1, which is penetrated by a longitudinal bore 12, wherein the longitudinal bore 12 has bore portions with different diameters.
  • a valve member 15 At a shoulder 13 of the longitudinal bore 12 is axially a valve member 15 with a shoulder 16.
  • the valve member 15 is disposed on the opposite side of the paragraph 13 in operative connection with a clamping screw 17 whose outer thread cooperates with a corresponding internal thread in the longitudinal bore 12.
  • the valve piece 15 has on the clamping screw 17 side facing away from a blind hole 18 into which an axial end portion 19 of a nozzle needle 20 formed as an injection member is immersed.
  • the blind hole 18 leads the end portion 19 radially and also allows axial movement of the nozzle needle 20 in the direction of the longitudinal axis 22 of the nozzle needle 20.
  • Injector 1 1 (not shown) to prevent the injection of fuel from a formed in the injector 1 1 in the nozzle needle 20 high-pressure space 25.
  • the at least one injection opening in the injector housing 1 1 is released, so that fuel is discharged from the high-pressure chamber 25 into the combustion chamber of the internal combustion engine or injected.
  • the high-pressure chamber 25 is connected via a connection 26 in the injector housing 1 1, which is shown only symbolically, as well as a fuel supply line
  • Outflow throttle 31 is formed as a cross-sectional constriction.
  • this forms a volume-variable control chamber 35, which is hydraulically connected to the high-pressure chamber 25 via a connecting bore 36 formed near the bottom of the blind bore 18 with an inlet throttle 37. so that fuel from the high-pressure chamber 25 can flow into the control chamber 35.
  • the control chamber 35 serves, as is known and therefore not explained in detail, the control of the movement of the nozzle needle 20 for releasing or closing the at least one injection opening in the injector 1 1 via a regulation of the fuel pressure in the control chamber 35th
  • the Abiaufbohrung 30 is at least indirectly closed by means of a valve element 40 to prevent leakage of fuel from the control chamber 35 via the Abiaufbohrung 30 in a low-pressure chamber 42 of the injector 1 1.
  • the low-pressure space 42 is connected hydraulically via a further connection 43 in the injector housing 1 1 and a return line 44, for example, to a return tank (tank) 45.
  • the valve element 40 is part of a magnet armature and has a sleeve-shaped first region 46, to which a disk-shaped or annular anchor region 48 adjoins on the side facing away from the valve element 15.
  • the armature region 48 or the valve element 40 cooperates with a magnetic coil 50 embedded in an annular magnetic core 49, which draws the valve element 40 in the direction of the magnetic core 49 when energized.
  • the magnet core 49 rests axially on a side facing away from the valve element 40 against a closure plate 51 of the injector housing 11.
  • the magnetic core 49 has a through hole 53, in the region of which a disc-shaped support plate 55 bears in a stationary manner against the closure plate 51 axially.
  • a compression spring 56 which is also disposed within the through hole 53, axially supported on the one hand against the support plate 55, and on the other hand against the facing end face of the anchor portion 48 of the valve element 40, such that the compression spring 56, the valve member 40 in the in the 1, in which a sealing edge 57 of the sleeve-shaped region 46 of the valve element 40 rests against a conical mating surface 58 of the valve piece 15 to form a sealing seat, in order to prevent fuel from the drainage bore 30 from flowing into the low-pressure space 42 prevent.
  • the compression spring 56 surrounds the guide member 65 at a radial distance.
  • the valve element 40 is penetrated by a through hole 60 of constant diameter.
  • a guide section 61 of a pin-shaped guide element 65 is inserted into the through-bore 60 on the side facing away from the valve piece 15.
  • a pin-shaped extension 63 of the valve member 15 preferably emerges with radial play, in which a flattening 64 is formed for the outflow of fuel in the direction of the sealing edge 57.
  • the outer diameter of the guide element 65 is matched to the bore diameter of the through hole 60 such that on the one hand an at least almost leak-free radial guidance of the valve element 40 on the guide portion 61 is made possible, and on the other hand the axial mobility of the valve element 40 in the direction of the double arrow 66 (parallel to the longitudinal axis 22) with relatively little friction is ensured.
  • On the valve piece 15 facing end face 67 of the guide member 65 always acts on the hydraulic pressure, which acts on the end face 67 via the control chamber 35 and the return line 30. This, in the direction of the support plate 55 acting axial force acts on the illustrated in Fig. 1 flat second end face 68 of the guide member 65 on the support plate 55 and thus the closure plate 51 of the injector 1 1.
  • the guide element 65 has two, axially spaced-apart weakening regions 71, 72.
  • the first weakening region 71 is located immediately after the guide section 61 of the guide element 65 axially still within the valve element 40.
  • the second weakening section 72 is located near the support plate 55.
  • the two weakened areas 71, 72 thereby form the guide element 65 into a total of three sections divided:
  • the guide portion 61 which is guided with a relatively tight fit within the through hole 60 of the valve member 40
  • the average distance a between the two weakening regions 71, 72 is between 50% and 80% of the length A of the guide element 65 without its guide section 61.
  • the two weakening areas 71, 72 are formed in the illustrated embodiment by a respective radially circumferential annular groove 75, which is preferably provided with a rounding or a radius 76.
  • a respective radially circumferential annular groove 75 which is preferably provided with a rounding or a radius 76.
  • the cross-section in the region of the weakening regions 71, 72 (whose cross-section is in each case preferably identical in size) is reduced or formed by straight-cut, milled or the like.
  • FIG. 2 shows a guide element 65a modified in comparison with FIG. 1, in which the support section 74a is formed on the side facing the support plate 55 convexly or with a rounded portion 77, so that the guide element 65a bears punctiformly on the support plate 55.
  • the function of the two weakening regions 71, 72 can be best explained with reference to FIG. 3: During the movement of the valve member 40 between its In Fig. 1 illustrated lowered position and a not shown in the figures, raised position in which a flow of fuel from the control chamber 35 is made possible in the low-pressure chamber 42, transverse forces F may occur, which in the illustration of FIG the drawing plane from left to right.
  • transverse forces F cause that on the one hand the guide portion 61 is guided at least almost without an additional transverse force within the through hole 53 of the valve member 40, and on the other hand, the support portion 74 due to the pressure prevailing in the control chamber 35 hydraulic pressure over the entire surface or in a vertical orientation on the support plate 55 is present.
  • a parallel displacement (greatly exaggerated in FIG. 3) of the valve element 40 is made possible by means of the two weakened regions 71, 72, in which the intermediate section 73 is tilted in relation to its original direction aligned with the longitudinal axis 22.
  • the transverse forces F thus act as deformation forces on the guide element 65, 65a and, in particular, cause no increased wear or increased friction between the through-bore 60 and the guide section 61 with respect to non-existing transverse forces F.
  • the fuel injector 10 described so far can be modified or modified in many ways, without departing from the spirit of the invention.
  • Cross-sectional area in the region of the weakening regions 71, 72 may be lower than when using only two weakening regions 71, 72nd

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 (10) comportant un boîtier d'injecteur (11) dans lequel un élément d'injection (20) est disposé le long d'un axe longitudinal (22) de façon à pouvoir se déplacer longitudinalement, une chambre de commande (35) qui est reliée hydrauliquement à une chambre à haute pression (25) du boîtier d'injecteur (11) et qui peut être évacuée hydrauliquement par un perçage d'évacuation (30) en direction d'une chambre à basse pression (42) du boîtier d'injecteur (11), l'écoulement de fluide sous pression à travers le perçage d'évacuation (30) pouvant être commandé au moyen d'un élément formant clapet (40), l'élément formant clapet (40) étant disposé de façon déplaçable axialement dans un élément de guidage (65 ; 65a), ayant de préférence la forme d'une barre, qui pénètre dans un perçage (60) de l'élément formant clapet (40) et qui est supporté par un élément de boîtier fixe (55) du côté opposé à l'élément formant clapet (40), et l'élément de guidage (65 ; 65a) comportant, dans une zone située entre une partie de guidage (61) de l'élément de guidage (65) dans l'élément formant clapet (40) et l'élément de boîtier fixe (55), une première zone de moindre résistance mécanique (71) dans laquelle la section transversale de l'élément de guidage (65 ; 65a) est réduite.
PCT/EP2014/070867 2013-10-23 2014-09-30 Injecteur de carburant WO2015058929A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480058638.9A CN105658946B (zh) 2013-10-23 2014-09-30 燃料喷射器
EP14777325.3A EP3060789B1 (fr) 2013-10-23 2014-09-30 Injecteur de carburant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310221554 DE102013221554A1 (de) 2013-10-23 2013-10-23 Kraftstoffinjektor
DE102013221554.1 2013-10-23

Publications (1)

Publication Number Publication Date
WO2015058929A1 true WO2015058929A1 (fr) 2015-04-30

Family

ID=51628134

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/070867 WO2015058929A1 (fr) 2013-10-23 2014-09-30 Injecteur de carburant

Country Status (4)

Country Link
EP (1) EP3060789B1 (fr)
CN (1) CN105658946B (fr)
DE (1) DE102013221554A1 (fr)
WO (1) WO2015058929A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10472386B2 (en) 2017-02-14 2019-11-12 Enanta Pharmaceuticals, Inc. Bile acid derivatives as FXR agonists and methods of use thereof
CN114165372B (zh) * 2021-12-17 2022-10-14 中国船舶集团有限公司第七一一研究所 谐振式电控喷射器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007027486A1 (de) * 2007-06-14 2008-12-18 Robert Bosch Gmbh Zentrierhilfe für Schaltventile
DE102007047425A1 (de) * 2007-10-04 2009-04-09 Robert Bosch Gmbh Steuerventil für einen Kraftstoffinjektor
DE102008003348A1 (de) * 2008-01-07 2009-07-09 Robert Bosch Gmbh Kraftstoffinjektor
DE102009029563A1 (de) * 2009-09-18 2011-03-24 Robert Bosch Gmbh Injektor
DE102009045335A1 (de) * 2009-10-05 2011-04-07 Robert Bosch Gmbh Injektor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2573705Y (zh) * 2002-10-14 2003-09-17 成都飞机工业（集团）有限责任公司 一种高压柱塞偶件
DE102005053115A1 (de) * 2005-11-08 2007-05-10 Robert Bosch Gmbh Optimierte Ankergruppenführung für Magnetventile
DE102008005535A1 (de) * 2008-01-22 2009-07-23 Robert Bosch Gmbh Kraftstoffinjektor
DE102010001486A1 (de) * 2010-02-02 2011-08-04 Robert Bosch GmbH, 70469 Steuerventilanordnung eines Kraftstoffinjektors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007027486A1 (de) * 2007-06-14 2008-12-18 Robert Bosch Gmbh Zentrierhilfe für Schaltventile
DE102007047425A1 (de) * 2007-10-04 2009-04-09 Robert Bosch Gmbh Steuerventil für einen Kraftstoffinjektor
DE102008003348A1 (de) * 2008-01-07 2009-07-09 Robert Bosch Gmbh Kraftstoffinjektor
DE102009029563A1 (de) * 2009-09-18 2011-03-24 Robert Bosch Gmbh Injektor
DE102009045335A1 (de) * 2009-10-05 2011-04-07 Robert Bosch Gmbh Injektor

Also Published As

Publication number Publication date
EP3060789B1 (fr) 2017-06-28
CN105658946B (zh) 2020-01-21
EP3060789A1 (fr) 2016-08-31
CN105658946A (zh) 2016-06-08
DE102013221554A1 (de) 2015-04-23

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