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EP1062421B1 - Soupape d'injection de carburant - Google Patents

Soupape d'injection de carburant Download PDF

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Publication number
EP1062421B1
EP1062421B1 EP99955826A EP99955826A EP1062421B1 EP 1062421 B1 EP1062421 B1 EP 1062421B1 EP 99955826 A EP99955826 A EP 99955826A EP 99955826 A EP99955826 A EP 99955826A EP 1062421 B1 EP1062421 B1 EP 1062421B1
Authority
EP
European Patent Office
Prior art keywords
valve
inner pole
sleeve
fuel injection
core
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP99955826A
Other languages
German (de)
English (en)
Other versions
EP1062421A1 (fr
Inventor
Klaus Noller
Peter Asslaender
Hubert Stier
Hans Weidler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
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 EP1062421A1 publication Critical patent/EP1062421A1/fr
Application granted granted Critical
Publication of EP1062421B1 publication Critical patent/EP1062421B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/90—Electromagnetically actuated fuel injector having ball and seat type valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49432—Nozzle making
    • Y10T29/49433—Sprayer

Definitions

  • the invention relates to a fuel injection valve according to the preamble of claim 1.
  • an electromagnetically operable fuel injection valve which, inter alia, has a non-magnetic sleeve as the connecting part between a core and a valve seat body. With its two axial ends, the sleeve is firmly connected to the core and to the valve seat body. The sleeve extends over its entire axial length with a constant outer diameter and a constant inner diameter and has correspondingly at its two ends the same size inlet openings.
  • the core and the valve seat body are formed with such an outer diameter that they extend into the sleeve at the two ends, so that the sleeve completely surrounds the two components core and valve seat body in these projecting areas.
  • a valve needle with an armature In the interior of the sleeve moves in the axial direction, a valve needle with an armature, which is guided by the sleeve.
  • the solid connections of the sleeve with the core and the valve seat body are z. B. achieved by welding.
  • a fuel injection valve having an elongated, thin-walled, non-magnetic sleeve, which still has a bottom portion next to its shell portion. The bottom portion is largely perpendicular to the otherwise axial extent of the sleeve along the valve longitudinal axis.
  • a valve needle can move axially.
  • a fixedly connected to the valve needle valve closing body cooperates with a provided on a valve seat body valve seat surface, wherein the valve seat body is pressed into the sleeve and rests directly or indirectly with a perforated disc at the bottom portion of the sleeve.
  • tubular core is arranged in the through hole of the sleeve, which is designed as a rotating part.
  • the core is fixedly connected to the sleeve in a desired position by welding.
  • a similar arrangement of a tubular core in a valve sleeve is also from the DE-OS 197 12 590 known.
  • a fuel injection valve which has a setting bush, with the aid of which the spring force of a built-in in the fuel injection valve return spring is adjusted.
  • This adjusting bushing is manufactured by means of rollers.
  • the adjusting bushing and the return spring are arranged in a flow bore of a serving as an inner pole fixed core, the return spring is provided without radial contact in the flow bore, while the adjusting bush is pressed in the inner pole with a certain radial spring tension through an axially extending longitudinal slot.
  • the adjusting bushing is a small metallic component which has the sole function of biasing the return spring.
  • a function in the electromagnetic drive of the fuel injection valve does not have this adjusting bushing.
  • the core as a magnetic component of the electromagnetic drive is formed in a known manner by turning as a hollow cylindrical component.
  • such serving as inner poles magnetic cores for fuel injection valves are produced by cutting surface ablation, wherein turning, milling, drilling and finishing steps are the known methods for producing these magnetic cores.
  • the fuel injection valve according to the invention with the features of claim 1 has the advantage that it can be produced in a very simple manner and can be mounted. When rolling or bending is a relatively simple and inexpensive manufacturing process with relatively little cost of materials.
  • the inner pommel is made of a simple metallic strip. By rolling this strip results in an axially extending longitudinal slot at the inner pole, which in turn results in a reduction of the eddy currents, whereby a higher efficiency of the magnetic circuit is achieved.
  • the installation of the inner pole in the valve sleeve and the stroke adjustment using the inner pole is significantly simplified.
  • the inner pole After rolling or bending the inner pole is on the one hand from the outset under a radial bias, which can easily fix the inner pole in the valve sleeve.
  • the inner pole is due to its longitudinal slot in a small way radially variable in size, so that when inserting the inner pole in the valve sleeve advantageously a burr is avoided.
  • the inner pole can also be moved to adjust the stroke of a valve needle in the valve sleeve with an adjustment.
  • the valve sleeve advantageously near the inner pole has a shoulder on which an adjustment tool can attack as well as the inner pole.
  • FIG. 1 a fuel injection valve with an inner pole according to the invention
  • FIG. 2 the inner pole having valve assembly in a different scale
  • FIG. 3 a plan view of the inner pole.
  • electromagnetically operable valve according to the invention in the form of an injection valve for fuel injection systems of mixture-compression, spark-ignition internal combustion engines has a tubular core 2 surrounded by a magnetic coil 1, serving as réellepol and partially as fuel flow.
  • the solenoid 1 is of an outer, sleeve-shaped and stepped running , z.
  • the magnetic coil 1, the core 2 and the valve shell 5 together form an electrically excitable actuator.
  • solenoid coil 1 surrounds a valve sleeve 6 from the outside, the core 2 in an inner, concentric with a valve longitudinal axis 10 extending opening 11 of the valve sleeve 6 is introduced.
  • the example ferritic valve sleeve 6 is elongated and thin-walled and has a shell portion 12 and a bottom portion 13, wherein the shell portion 12 in the circumferential direction and the bottom portion 13 in the axial direction at its downstream end the opening 11th limit.
  • the opening 11 also serves as a guide opening for a valve needle 14 which is axially movable along the valve longitudinal axis 10.
  • valve seat body 15 which may be e.g. is seated on the bottom portion 13 of the valve sleeve 6 and has a fixed valve seat surface 16 as a valve seat.
  • the valve needle 14 is formed for example by a tubular anchor portion 17, a likewise tubular needle portion 18 and a spherical valve-closing body 19, wherein the valve closing body 19, for example. is firmly connected to the needle portion 18 by means of a weld.
  • a flat spray disk 21 is arranged, wherein the solid compound of valve seat body 15 and spray orifice plate 21 z.
  • one or more transverse openings 22 are provided, so that the armature portion 17 in an inner longitudinal bore 23 fuel passing outwards and on the valve closing body 19, for. can flow along flats 24 to the valve seat surface 16 along.
  • the actuation of the injection valve takes place in a known manner electromagnetically.
  • the electromagnetic circuit with the solenoid coil 1, the inner core 2, the outer valve shell 5 and the anchor portion 17 is used Anchor portion 17 is connected to the Valve-closure member 19 facing away from the end of the core 2.
  • the spherical valve closing body 19 cooperates with the valve seat surface 16 of the valve seat body 15, which tapers in the direction of the flow in the direction of flow and which is formed in the axial direction downstream of a guide opening in the valve seat body 15.
  • the spray perforated disc 21 has at least one, for example, four ejection openings 27 formed by erosion, laser drilling or punching.
  • the insertion depth of the core 2 in the injection valve is decisive for the stroke of the valve needle 14.
  • the one end position of the valve needle 14 is fixed in the non-energized magnetic coil 1 by the contact of the valve closing body 19 on the valve seat surface 16 of the valve seat body 15, while the other End position of the valve needle 14 results in energized solenoid coil 1 by the system of the anchor portion 17 at the downstream end of the core.
  • the stroke is adjusted by an axial displacement of the core 2 in the valve sleeve 6, which is connected according to the desired position fixed to the valve sleeve 6.
  • the core 2 has a relation to the inner diameter of the valve sleeve 6 small excess.
  • the fixation of the core 2 and thus the adjustment of the valve needle stroke is therefore preferably self-locking.
  • the core 2 can also be fastened to the valve sleeve 6 with a welding point or a circumferential weld seam.
  • a set spring 29 is inserted in a concentric with the valve longitudinal axis 10 extending flow bore 28 of the core 2, which serves to supply the fuel in the direction of the valve seat surface 16, except the return spring 25 is an adjusting element in the form a set spring 29 is inserted.
  • the adjusting spring 29 is used to adjust the spring preload applied to the adjusting spring 29 return spring 25, which in turn is supported with its opposite side to the valve needle 14, wherein an adjustment of the dynamic Abspritzmenge with the adjusting spring 29.
  • the adjusting element may also be designed instead of a setting spring as an adjusting bolt, adjusting sleeve, etc.
  • the injector described so far is characterized by its particularly compact design, so that a very small, handy injection valve is created.
  • These components form a preassembled independent assembly, which is called function part 30 below.
  • the functional part 30 therefore essentially comprises the electromagnetic circuit 1, 2, 5 and a sealing valve (valve closing body 19, valve seat body 15) with a subsequent jet treatment element (spray perforated disk 21).
  • the coil space formed between the valve jacket 5 and the valve sleeve 6 and almost completely filled by the magnetic coil 1 is limited in the valve seat body 15 facing direction by a stepped radial portion 32 of the valve shell 5, while the conclusion on the valve seat body 15 side facing away by a disc-shaped cover 33 is guaranteed. In a recess of the cover 33 this is penetrated by the bobbin 3. In this area, for example, two pins 34 are made of the plastic of the bobbin 3 out. About the electrical contact pins 34, the electrical contacting of the magnetic coil 1 and thus the excitation.
  • connection part 40 is characterized above all by the fact that it comprises the electrical and the hydraulic connection of the fuel injection valve.
  • the largely designed as a plastic part connector 40 therefore has a fuel inlet nozzle serving as a tubular body 42.
  • a fuel filter 45 is inserted or pressed.
  • a hydraulic connection of connecting part 40 and functional part 30 is achieved in the fully assembled fuel injection valve in that the flow holes 43 and 28 of both modules are brought to each other so that an unimpeded flow through the fuel is ensured.
  • An inner opening 46 in the cover 33 allows the valve sleeve 6 and thus also the core 2 to be formed such that both project through the opening 46 and at least the valve sleeve 6 projects clearly beyond the cover element 33 in the direction of the connection part 40.
  • a lower end 47 of the tube 44 projects into the protruding part of the valve sleeve 6 to increase the connection stability into the opening 11 of the valve sleeve 6.
  • the main body 42 sits in the mounted state, for example on the cover 33 and the upper end of the valve shell 5.
  • connection part 40 two electrical contact elements 55 are provided in the connection part 40, which during the Plastic injection molding process of the body 42 are injected and subsequently embedded embedded in the plastic.
  • the electrical contact elements 55 terminate at one end as exposed contact pins of the electrical connector plug 56, which is connected to a corresponding electrical connection element, not shown, such. B. a contact strip, can be connected for complete electrical contacting of the injector.
  • the contact elements 55 form an electrical connection with the corresponding contact pins 34.
  • valve assembly of the entire fuel injection valve is shown, said valve assembly is essentially formed by the valve sleeve 6 and the fixed and axially movable components within the valve sleeve 6.
  • the core 2 completely immersed in the valve sleeve 6, which means that it is surrounded over its entire axial extension length in the circumferential direction of the valve sleeve 6.
  • the valve sleeve 6, which completely ensures a tightness towards the outside, makes it possible to use a core 2 which can be produced by means of rollers or bending.
  • the core 2 is made according to the invention of a metallic strip with a uniform thickness, which is stamped out of a plate according to the required dimensions in the form of a quadrilateral, in particular a rectangle and then rolled or bent about with the aid of a mandrel-shaped tool in the desired shape is, so that it ultimately has a circular cross-section.
  • Strip ends 61, 62 have an axially extending longitudinal slot 63, as they face each other at a slight distance, such as FIG. 3 as a plan view of the core 2 shows.
  • Such a shaped core 2 has several advantages over the known formed as a rotating parts cores in fuel injection valves. When rolling or bending is a relatively simple and inexpensive manufacturing process with relatively little cost of materials. By the axially extending longitudinal slot 63 of the core 2 results in a reduction of the eddy currents, whereby a higher efficiency of the magnetic circuit is achieved.
  • the assembly of the core 2 in the valve sleeve 6 and the stroke adjustment by means of the core 2 is significantly simplified.
  • the core 2 has after rolling or bending to an outer diameter which is slightly larger than the diameter of the opening 11 of the valve sleeve 6.
  • the core 2 is on the one hand from the outset under a radial bias, the core 2 simply in the valve sleeve. 6 fix it.
  • the core 2 is due to its longitudinal slot 63 in a small way radially variable in size, so that when inserting the core 2 in the valve sleeve 6 advantageously a burr formation is avoided.
  • the core 2 can also be moved to the stroke adjustment of the valve needle 14 in the valve sleeve 6 with a setting tool.
  • valve sleeve 6 it is advantageous to provide a shoulder 65 in the valve sleeve 6 near an upstream end face 64 of the core 2.
  • the valve sleeve 6 has a larger diameter than downstream of the shoulder 65, ie in the area in which the core 2 is inserted in the opening 11.
  • an adjustment tool engages, for example, on the core 2 and on the valve sleeve 6, such that, on the one hand, a force in the downstream direction on the core 2 and, on the other hand, a counterforce in the upstream direction on the shoulder 65 of the valve sleeve 6 be applied, whereby a positive connection between the valve sleeve 6 and the core 2 is achieved.

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

Claims (6)

  1. Injecteur de carburant pour des installations d'injection de carburant dans des moteurs à combustion interne comportant un élément d'actionnement électromagnétique ayant au moins une bobine électromagnétique (1), un pôle intérieur (2), de forme tubulaire, et un composant extérieur de circuit magnétique (5), un manchon d'injecteur (6) muni d'une ouverture intérieure (11), un organe d'obturation de soupape (19) coopérant avec un siège de soupape (16) d'un organe formant siège de soupape (15), l'organe formant siège de soupape (15) et le pôle intérieur (2) étant installés de manière fixe dans l'ouverture intérieure (11) du manchon d'injecteur (6) alors que l'organe d'obturation de soupape (19) y est installé de manière mobile,
    caractérisé en ce que
    le pôle intérieur (2) est constitué par un ruban métallique roulé ou cintré suivant une forme circulaire, et lors du roulage ou du cintrage, les extrémités (61, 62) du ruban formant le pôle intérieur (2), dans la direction de déplacement du pôle intérieur (2), forme une fente longitudinale (63) à l'état installé, les extrémités étant écartées l'une par rapport à l'autre.
  2. Injecteur de carburant selon la revendication 1,
    caractérisé en ce que
    sur toute la longueur de son extension axiale, le pôle intérieur (2) est entouré dans la direction périphérique par le manchon d'injecteur (6).
  3. Injecteur de carburant selon la revendication 1,
    caractérisé en ce que
    le pôle intérieur (2) a une surface frontale (64) côté amont et à proximité de la surface frontale (64), il comporte un décrochement (65) dans le manchon d'injecteur (6).
  4. Injecteur de carburant selon la revendication 3,
    caractérisé en ce qu'
    en amont du décrochement (65), le manchon d'injecteur (6) a un diamètre plus grand que dans la région du manchon (6) recevant le pôle intérieur (2).
  5. Injecteur de carburant selon la revendication 1,
    caractérisé en ce que
    l'organe d'obturation de soupape (19) fait partie d'une aiguille d'injecteur (214) mobile axialement et la course de déplacement de l'aiguille d'injecteur (14) est réglable par le coulissement du pôle intérieur (2).
  6. Injecteur de carburant selon la revendication 1,
    caractérisé en ce que
    le pôle intérieur (2) est relié au manchon d'injecteur (6) par une liaison par la force.
EP99955826A 1999-01-08 1999-10-01 Soupape d'injection de carburant Expired - Lifetime EP1062421B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19900406 1999-01-08
DE19900406A DE19900406A1 (de) 1999-01-08 1999-01-08 Brennstoffeinspritzventil
PCT/DE1999/003157 WO2000040855A1 (fr) 1999-01-08 1999-10-01 Soupape d'injection de carburant

Publications (2)

Publication Number Publication Date
EP1062421A1 EP1062421A1 (fr) 2000-12-27
EP1062421B1 true EP1062421B1 (fr) 2008-03-05

Family

ID=7893750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99955826A Expired - Lifetime EP1062421B1 (fr) 1999-01-08 1999-10-01 Soupape d'injection de carburant

Country Status (6)

Country Link
US (1) US6679435B1 (fr)
EP (1) EP1062421B1 (fr)
JP (1) JP4597376B2 (fr)
KR (1) KR20010052203A (fr)
DE (2) DE19900406A1 (fr)
WO (1) WO2000040855A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016208288A1 (de) 2016-05-13 2017-11-16 Robert Bosch Gmbh Injektor mit verbessertem Magnetaktor

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US6851622B2 (en) * 2002-01-08 2005-02-08 Siemens Vdo Automotive Corporation Fuel injector having a ferromagnetic coil bobbin
US7407120B1 (en) * 2002-11-21 2008-08-05 Jack French Adjustable racing injector
JP2004293313A (ja) 2003-03-25 2004-10-21 Hitachi Unisia Automotive Ltd 燃料噴射弁
DE10332348A1 (de) * 2003-07-16 2005-02-03 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102004042592A1 (de) * 2004-07-26 2006-03-23 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102004047041B4 (de) * 2004-09-28 2017-06-14 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102006046704A1 (de) * 2006-10-02 2008-04-03 Siemens Ag Zylinderförmiges Gehäuse und Verfahren zu dessen Herstellung
DE102007031855A1 (de) * 2007-07-09 2009-01-15 Robert Bosch Gmbh Ventilpatrone für ein Magnetventil
JP4635074B2 (ja) * 2008-06-12 2011-02-16 日立オートモティブシステムズ株式会社 燃料噴射弁
DE102008035087B4 (de) * 2008-07-28 2015-02-12 Continental Automotive Gmbh Einspritzventil
US8316825B1 (en) 2008-08-04 2012-11-27 French Iii Jack M Adjustable racing injector
DE102010029298A1 (de) * 2010-05-26 2011-12-01 Robert Bosch Gmbh Ventilanordnung zur Dosierung eines fluiden Mediums in einen Abgasstrang einer Brennkraftmaschine
DE102010040898A1 (de) * 2010-09-16 2012-03-22 Robert Bosch Gmbh Brennstoffeinspritzventil
US9115678B2 (en) 2012-08-09 2015-08-25 Ford Global Technologies, Llc Magnetized fuel injector valve and valve seat
US9627121B2 (en) * 2014-05-28 2017-04-18 Flextronics Automotive, Inc. Solenoid robust against misalignment of pole piece and flux sleeve
EP3156639A1 (fr) 2015-10-15 2017-04-19 Continental Automotive GmbH Soupape d'injection de carburant avec un anneau de soudure et son procédé de production
JP7116609B2 (ja) * 2018-07-05 2022-08-10 株式会社Soken 燃料噴射弁
CN209164045U (zh) * 2018-11-19 2019-07-26 浙江锐韦机电科技有限公司 泵阀一体机构
BR102020021497A2 (pt) 2020-10-20 2022-05-03 Mrb Machining & Ferramentaria Ltda Válvula dosadora de combustível de alta vazão
WO2023059662A1 (fr) 2021-10-04 2023-04-13 Billet Machine And Fabrication, Inc. Injecteur de combustible

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JPH11132127A (ja) * 1996-11-13 1999-05-18 Denso Corp 燃料噴射弁及びその組立方法
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016208288A1 (de) 2016-05-13 2017-11-16 Robert Bosch Gmbh Injektor mit verbessertem Magnetaktor
WO2017194242A1 (fr) 2016-05-13 2017-11-16 Robert Bosch Gmbh Injecteur présentant un actionneur magnétique perfectionné

Also Published As

Publication number Publication date
DE19900406A1 (de) 2000-07-13
US6679435B1 (en) 2004-01-20
EP1062421A1 (fr) 2000-12-27
WO2000040855A1 (fr) 2000-07-13
JP4597376B2 (ja) 2010-12-15
KR20010052203A (ko) 2001-06-25
DE59914674D1 (de) 2008-04-17
JP2002534638A (ja) 2002-10-15

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