[go: up one dir, main page]

EP1062422B1 - Procede de montage d'un sous-groupe soupape d'une soupape d'injection de carburant - Google Patents

Procede de montage d'un sous-groupe soupape d'une soupape d'injection de carburant Download PDF

Info

Publication number
EP1062422B1
EP1062422B1 EP99955812A EP99955812A EP1062422B1 EP 1062422 B1 EP1062422 B1 EP 1062422B1 EP 99955812 A EP99955812 A EP 99955812A EP 99955812 A EP99955812 A EP 99955812A EP 1062422 B1 EP1062422 B1 EP 1062422B1
Authority
EP
European Patent Office
Prior art keywords
valve
valve sleeve
sleeve
seat body
magnetic circuit
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
EP99955812A
Other languages
German (de)
English (en)
Other versions
EP1062422A1 (fr
Inventor
Klaus Noller
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 EP1062422A1 publication Critical patent/EP1062422A1/fr
Application granted granted Critical
Publication of EP1062422B1 publication Critical patent/EP1062422B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • 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
    • 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
    • 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
    • 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
    • Y10T29/49405—Valve or choke making
    • Y10T29/49412—Valve or choke making with assembly, disassembly or composite article making
    • 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
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • 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
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body

Definitions

  • the invention relates to a method for assembling a Valve assembly of a fuel injector according to the Genus of claim 1.
  • Fuel injector which is an elongated, has thin-walled, non-magnetic sleeve, which in addition their jacket section still has a bottom section.
  • the bottom section runs largely perpendicular to the rest axial extension of the sleeve along the longitudinal axis of the valve.
  • A can be in a through opening of the sleeve Move valve needle axially.
  • a tight with the valve pin connected valve closing body works with one on one Provided valve seat surface together, wherein the valve seat body is pressed into the sleeve and directly or indirectly with a perforated disc on the Bottom portion of the sleeve abuts.
  • the sleeve is at least partially with surrounded by a plastic coating.
  • the inventive method for assembling a Valve assembly of a fuel injector with the characterizing features of claim 1 has the advantage that it is inexpensive in a simple manner feasible and thus a safe and reliable assembly of the fuel injector is guaranteed.
  • the magnetic flux conductive magnetic circuit component can be attached to the valve in a very simple manner without an additional joining process is to be used, whereby in advantageously on cohesive joining processes can be dispensed with. This eliminates all the disadvantages of processes to be carried out under heat, such as welding delay.
  • the Assembly of the valve is also simplified in that no tools for fastening the magnetic circuit component are needed.
  • FIG. 1 shows it Fuel injection valve with an inventive assembled valve assembly and Figure 2 according to the invention assembled valve assembly in a changed scale.
  • Electromagnetically actuated mounted according to the invention Valve in the form of an injector for Fuel injection systems from mixture-compressing, spark-ignited internal combustion engines has one of one Magnetic coil 1 surrounded, as an inner pole and partially as Largely tubular fuel flow serving Core 2.
  • the magnetic coil 1 is from an outer, sleeve-shaped and stepped, z.
  • the solenoid 1, the Core 2 and the valve jacket 5 together form an electrical excitable actuator.
  • the core 2 is in an inner, concentric to a longitudinal valve axis 10 extending opening 11 of the valve sleeve 6 introduced.
  • the e.g. ferritic valve sleeve 6 is elongated and thin-walled and has a jacket section 12 and a bottom portion 13, the shell portion 12 in Circumferential direction and the bottom portion 13 in the axial Direction at its downstream end the opening 11 limit.
  • the opening 11 also serves as a guide opening for one axially movable along the valve longitudinal axis 10 Valve needle 14.
  • valve seat body 15 which e.g. sits 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, for example, of a tubular Anchor section 17, also tubular Needle section 18 and a spherical Valve closing body 19 is formed, the Valve closing body 19 e.g. by means of a weld seam is connected to the needle section 18.
  • a flat spray plate 21 is arranged, the fixed Connection of valve seat body 15 and spray orifice plate 21 z. B.
  • the injection valve is actuated in a known manner Way electromagnetic.
  • a return spring 25 acting on the valve needle 14 or closing the injection valve is used electromagnetic circuit with the magnetic coil 1, the inner Core 2, the outer valve jacket 5 and the armature section 17.
  • the anchor section 17 is with the Valve closing body 19 facing away from the core 2 aligned.
  • the spherical valve closing body 19 interacts with the tapered in the direction of flow Valve seat surface 16 of the valve seat body 15 together, the in the axial direction downstream of a guide opening in Valve seat body 15 is formed.
  • the spray hole disc 21 has at least one, for example four through EDM, laser drilling or stamping molded Spray orifices 27.
  • the insertion depth of the core 2 in the injection valve is below other decisive for the stroke of the valve needle 14 the one end position of the valve needle 14 is not at excited solenoid 1 by the system of Valve closing body 19 on the valve seat surface 16 of the Valve seat body 15 set while the other End position of the valve needle 14 when the solenoid coil 1 is excited by the installation of the anchor section 17 on the downstream Core end results.
  • the stroke is set by a axial displacement of the chip, for example Process like turning manufactured core 2, according to the desired position with the Valve sleeve 6 is connected.
  • Flow bore 28 of the core 2 which is the supply of the Serves fuel in the direction of the valve seat surface 16 is in addition to the return spring 25, an adjusting element in the form an adjusting spring 29 inserted.
  • the adjusting spring 29 is used to adjust the spring preload on the Adjustment spring 29 adjacent return spring 25, which itself again with its opposite side on the Valve needle 14 supports, with an adjustment of the dynamic spray quantity with the setting spring 29.
  • the adjusting element can also be used instead of an adjusting spring be designed as adjusting bolts, adjusting sleeves etc.
  • the injection valve described so far stands out due to its particularly compact design, so that a very small, handy injection valve is created.
  • This Components form a pre-assembled, independent assembly, which is called functional part 30 below.
  • the Functional part 30 essentially comprises the electromagnetic circuit 1, 2, 5 and a sealing valve (Valve closing body 19, valve seat body 15) with a following jet processing element (spray orifice plate 21).
  • valve jacket 5 and the valve sleeve 6 formed and almost completely by the magnetic coil 1 filled coil space is in the valve seat body 15 facing direction through a stepped radial region 32 of the valve jacket 5 limited, while the conclusion on the the side facing away from the valve seat body 15 by a disc-shaped cover element 33 is guaranteed.
  • this is from the Extends through coil body 3.
  • a second is completely independent of the functional part 30 Assembled assembly, which in the following as a connecting part 40th referred to as.
  • the connecting part 40 draws out all things in that it is the electrical and the hydraulic connection of the fuel injector includes.
  • the largely designed as a plastic part Connector 40 therefore has a Tubular base body serving fuel inlet connection 42.
  • Flow bore 43 of an inner tube 44 in the base body 42 by the upstream end of the Fuel injector in the axial direction from Flows through fuel is, for example Fuel filter 45 inserted or pressed.
  • a hydraulic connection of connector 40 and Functional part 30 is in the fully assembled Fuel injector achieved by the Flow bores 43 and 28 of the two assemblies to one another brought that an unimpeded flow through the Fuel is guaranteed.
  • An inner opening 46 in Cover element 33 allows the valve sleeve 6 and thus also design the core 2 so that both the opening 46 protrude and at least the valve sleeve 6 towards Connection part 40 clearly over the cover element 33 also available.
  • When mounting the connector 40 on the Functional part 30 protrudes a lower end 47 of tube 44 in the protruding part of the valve sleeve 6 to increase the Connection stability in the opening 11 of the valve sleeve 6 into it.
  • the base body 42 is seated in the assembled state for example on the cover element 33 and the upper end of the valve jacket 5.
  • the base body 42 also includes a molded part electrical connector 56.
  • the electrical Contact elements 55 end at one end as Exposed contact pins of the electrical connector 56, with a corresponding not shown electrical connection element, such as. B. one Contact strip, for complete electrical contacting of the injection valve can be connected.
  • a corresponding not shown electrical connection element such as. B. one Contact strip, for complete electrical contacting of the injection valve can be connected.
  • the Connectors 56 opposite end form the Contact elements 55 an electrical connection with the corresponding contact pins 34.
  • FIG. 2 shows a mountable according to the invention Shown valve assembly, this valve assembly in essentially of the valve jacket 5, the valve sleeve 6 and the valve seat body 15 is formed.
  • the valve seat body 15 and the core 2 in the inner opening 11 of the valve sleeve 6 arranged while the solenoid 1 and the valve jacket 5th as an external magnetic circuit component on the outer circumference of the Valve sleeve 6 can be arranged.
  • the valve jacket 5 is designed such that it has a jacket-like shape Sheath area 58 encompassing the coil space and another to the valve seat body 15 extending fastening area 59 has.
  • the two areas 58 and 59 differ in their Diameter. While the cladding area 58 clearly larger diameter than the valve sleeve 6 to form the Coil space and thus to accommodate the magnetic coil 1 including the bobbin 3 is the Fastening area 59 only with a slightly larger one Inner diameter as the outer diameter of the valve sleeve 6 educated. Between the jacket area 58 and the The radial region 32 is located in the fastening region 59.
  • valve sleeve 6 is used to assemble the Valve assembly first the valve jacket 5 on the Valve sleeve 6 pushed on.
  • the valve sleeve 6 and the valve jacket 5 such tolerated dimensions that a loose sliding without burr formation is guaranteed.
  • the valve jacket 5 on the Valve sleeve 6 held in the desired position.
  • the valve seat body 15 into the inner Opening 11 of the valve sleeve 6 in the downstream direction inserted or pressed in due to its external dimensions.
  • the valve seat body 15 to Pushed against the bottom section 13 of the valve sleeve 6. It is also conceivable, the valve sleeve 6 without Form bottom portion 13 and the valve seat body 15 to be arranged further upstream in the valve sleeve 6.
  • valve seat body 15 In the axial extent of the fastening area 59 of the valve jacket 5 is in the inner opening 11 of the Valve sleeve 6 e.g. a paragraph 60 provided by a minimal change in inner diameter arises.
  • valve seat body 15 By the valve seat body 15 is pressed in Widening at least in this section of the valve sleeve 6.
  • the valve seat body 15 receives an end position within the valve sleeve 6, in which it axially overlaps with the Fastening area 59 of the valve jacket 5 remains. Alone by pressing the valve seat body 15 is on this Way a firm connection of valve sleeve 6 and Valve jacket 5 achieved.
  • Valve seat body 15 and fastening area 59 of the Valve jacket 5 is a permanent radial pressure and a sufficient tension that allows one to additional joining process, e.g. Welding or flanging too dispense.

Landscapes

  • 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. Procédé de montage d'un ensemble de soupape d'un injecteur pour des installations d'injection de carburant de moteurs à combustion interne, l'injecteur comprenant un élément d'actionnement électromagnétique avec une bobine magnétique (1), un pôle intérieur (2) et un élément de circuit magnétique extérieur (5), et un corps de fermeture de soupape (19) mobile qui coopère avec un siège de soupape (16) associé à un corps de siège de soupape (15), ainsi qu'un manchon de soupape (6) à paroi mince, le corps de siège de soupape (15) et le pôle intérieur (2) étant disposés dans une ouverture intérieure (11) du manchon de soupape (6), et la bobine magnétique (1) ainsi que l'élément de circuit magnétique extérieur (5) étant disposés à la périphérie extérieure du manchon de soupape (6),
    caractérisé en ce qu'
    a) on fait glisser l'élément de circuit magnétique (5) sur le manchon de soupape (6),
    b) on enfonce ensuite le corps de siège de soupape (15) dans l'ouverture intérieure (11) du manchon de soupape (6) en provoquant un évasement, du moins dans une section partielle du manchon de soupape (6), et
    c) on obtient un assemblage fixe du manchon de soupape (6) et de l'élément de circuit magnétique(5) par le simple enfoncement du corps de siège de soupape (15).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le manchon de soupape (6) est formé avec une section d'enveloppe (12) et une section de fond (13) s'étendant sensiblement à la perpendiculaire de celle-ci, et le corps de siège de soupape (15) est poussé jusqu'à buter contre la section de fond (13).
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    l'élément de circuit magnétique (5) est formé d'une zone d'enveloppe (58) entourant le manchon de soupape (6) sensiblement à distance et d'une zone de fixation (59) en contact avec le manchon de soupape (6), zones reliées l'une à l'autre par une zone radiale (32).
  4. Procédé selon la revendication 3,
    caractérisé en ce que
    l'assemblage fixe du manchon de soupape (6) et de l'élément de circuit magnétique (5) est obtenu au niveau de la zone de fixation (59) de l'élément de circuit magnétique (5).
  5. Procédé selon la revendication 4,
    caractérisé en ce que
    dans la zone d'extension axiale de la zone de fixation (59), un palier (60) est prévu dans l'ouverture intérieure (11) du manchon de soupape (6).
  6. Procédé selon l'une des revendications 3 à 5,
    caractérisé en ce que
    le corps de siège de soupape (15) est placé à l'intérieur du manchon de soupape (6), dans une position finale qui le maintient en recouvrement axial par la zone de fixation (59) de l'élément de circuit magnétique (5).
EP99955812A 1999-01-08 1999-09-25 Procede de montage d'un sous-groupe soupape d'une soupape d'injection de carburant Expired - Lifetime EP1062422B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19900405 1999-01-08
DE19900405A DE19900405A1 (de) 1999-01-08 1999-01-08 Verfahren zur Montage einer Ventilbaugruppe eines Brennstoffeinspritzventils
PCT/DE1999/003097 WO2000040858A1 (fr) 1999-01-08 1999-09-25 Procede de montage d'un sous-groupe soupape d'une soupape d'injection de carburant

Publications (2)

Publication Number Publication Date
EP1062422A1 EP1062422A1 (fr) 2000-12-27
EP1062422B1 true EP1062422B1 (fr) 2004-03-24

Family

ID=7893749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99955812A Expired - Lifetime EP1062422B1 (fr) 1999-01-08 1999-09-25 Procede de montage d'un sous-groupe soupape d'une soupape d'injection de carburant

Country Status (8)

Country Link
US (1) US6543137B1 (fr)
EP (1) EP1062422B1 (fr)
JP (1) JP2002534639A (fr)
KR (1) KR20010052202A (fr)
CN (1) CN1116515C (fr)
DE (2) DE19900405A1 (fr)
RU (1) RU2237191C2 (fr)
WO (1) WO2000040858A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10103933A1 (de) * 2001-01-30 2002-08-14 Bosch Gmbh Robert Brennstoffeinspritzventil
DE10142974B4 (de) * 2001-09-01 2010-04-29 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102007008863A1 (de) 2005-08-26 2008-08-28 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102005040363B4 (de) * 2005-08-26 2017-09-14 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102005040361A1 (de) 2005-08-26 2007-03-01 Robert Bosch Gmbh Metallische Pressverbindung und Brennstoffeinspritzventil mit einer metallischen Pressverbindung
CN101975129B (zh) * 2010-09-10 2012-05-02 冯政杰 一种电子式汽油电磁喷射阀
EP2441540A1 (fr) 2010-10-12 2012-04-18 Siemens VAI Metals Technologies GmbH Procédé et installation de production à efficience énergétique d'une bande chaude en acier
EP2441539A1 (fr) 2010-10-12 2012-04-18 Siemens VAI Metals Technologies GmbH Procédé à sortie d'énergie optimisée et installation de production d'une bande chaude en acier
JP5358621B2 (ja) * 2011-06-20 2013-12-04 日立オートモティブシステムズ株式会社 燃料噴射装置
DE102011089247A1 (de) * 2011-12-20 2013-06-20 Robert Bosch Gmbh Brennstoffeinspritzventil
US8978364B2 (en) * 2012-05-07 2015-03-17 Tenneco Automotive Operating Company Inc. Reagent injector
EP3009657B1 (fr) * 2014-10-15 2019-03-13 Continental Automotive GmbH Ensemble boîtier pour un injecteur de carburant, injecteur de carburant et procédé de production de l'ensemble boîtier
CN106979110A (zh) * 2017-05-04 2017-07-25 柳州源创电喷技术有限公司 汽油机缸内直喷喷油器

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3570093A (en) * 1969-01-06 1971-03-16 Kelsey Hayes Co Method of making a wheel rim
US3949535A (en) * 1973-01-17 1976-04-13 King John O Jun Coldworked joint held by seamless tubular member
US4471643A (en) * 1982-02-10 1984-09-18 Fatigue Technology, Inc. Method and apparatus for prestressing fastener holes
DE3834444A1 (de) * 1988-10-10 1990-04-12 Mesenich Gerhard Elektromagnetisches einspritzventil mit membranfeder
DE3834446A1 (de) * 1988-10-10 1990-04-12 Mesenich Gerhard Elektromagnetisches einspritzventil in patronenbauweise
US4946107A (en) * 1988-11-29 1990-08-07 Pacer Industries, Inc. Electromagnetic fuel injection valve
IT221658Z2 (it) * 1989-10-17 1994-07-25 Weber Srl Perfezionamento alle valvole per la dosatura e la polverizzazione del carburante ad azionamento elettromagnetico per un dispositivo di ali- mentazione del carburante di un motore a combustione interna.
DE3934953A1 (de) * 1989-10-20 1991-04-25 Bosch Gmbh Robert Magnetventil, insbesondere fuer kraftstoffeinspritzpumpen
RU2046673C1 (ru) * 1992-03-27 1995-10-27 Виктор Семенович Дегтярев Форсунка для распыления жидкости
RU2059868C1 (ru) * 1992-08-31 1996-05-10 Фирма "Авангард" Электромагнитная форсунка
RU2046519C1 (ru) * 1992-12-30 1995-10-20 Феликс Ильич Пинский Электромагнитный привод
DE4310819A1 (de) * 1993-04-02 1994-10-06 Bosch Gmbh Robert Verfahren zur Einstellung eines Ventils
RU2064074C1 (ru) * 1993-06-08 1996-07-20 Научно-технический центр Волжского объединения по производству легковых автомобилей Электромагнитная форсунка
IT1264720B1 (it) * 1993-10-26 1996-10-04 Weber Srl Valvola dosatrice e polverizzatrice di carburante ad azionamento elettromagnetico.
RU2052151C1 (ru) * 1993-11-19 1996-01-10 Владимир Маркович Коросташевский Электромагнитная форсунка для впрыска топлива в двигатель внутреннего сгорания
US5394850A (en) * 1993-11-19 1995-03-07 Siemens Electric Limited Top-feed fuel injector mounting in an integrated air-fuel system
DE4420176A1 (de) * 1994-06-09 1995-12-14 Bosch Gmbh Robert Ventilnadel für ein elektromagnetisch betätigbares Ventil
DE19547406B4 (de) 1995-12-19 2007-10-31 Robert Bosch Gmbh Brennstoffeinspritzventil
DE19629589B4 (de) * 1996-07-23 2007-08-30 Robert Bosch Gmbh Brennstoffeinspritzventil
DE19631066A1 (de) * 1996-08-01 1998-02-05 Bosch Gmbh Robert Brennstoffeinspritzventil
DE19827136A1 (de) * 1998-06-18 1999-12-23 Bosch Gmbh Robert Brennstoffeinspritzventil

Also Published As

Publication number Publication date
DE19900405A1 (de) 2000-07-13
CN1292847A (zh) 2001-04-25
JP2002534639A (ja) 2002-10-15
EP1062422A1 (fr) 2000-12-27
CN1116515C (zh) 2003-07-30
DE59908956D1 (de) 2004-04-29
KR20010052202A (ko) 2001-06-25
US6543137B1 (en) 2003-04-08
WO2000040858A1 (fr) 2000-07-13
RU2237191C2 (ru) 2004-09-27

Similar Documents

Publication Publication Date Title
EP0904488B1 (fr) Soupape d'injection de carburant et procede de production d'un pointeau d'une telle soupape
DE19547406B4 (de) Brennstoffeinspritzventil
EP0906507B1 (fr) Soupape d'injection de carburant et utilisation d'une soupape d'injection de carburant
EP0865574B1 (fr) Soupape d'injection de carburant et son procede de fabrication
EP1062421B1 (fr) Soupape d'injection de carburant
DE19616806B4 (de) Kraftstoffeinspritzventil für Brennkraftmaschinen
EP1114249B1 (fr) Soupape d'injection de carburant
EP0789810A1 (fr) Soupape d'injection de carburant
EP1062422B1 (fr) Procede de montage d'un sous-groupe soupape d'une soupape d'injection de carburant
DE3942306A1 (de) Elektromagnetisch betaetigbares ventil
EP1030968B1 (fr) Injecteur de carburant
DE19855568A1 (de) Brennstoffeinspritzventil
DE4229730A1 (de) Elektromagnetisch betätigbares Brennstoffeinspritzventil
EP1966483A1 (fr) Soupape a actionnement electromagnetique
DE10300136A1 (de) Kraftstoffeinspritzvorrichtung mit stationärem und bewegbarem Kern
DE10065528A1 (de) Brennstoffeinspritzventil
EP1706634B1 (fr) Procede de production d'une soupape d'injection de carburant, et soupape d'injection de carburant
EP1392963B1 (fr) Soupape d'injection de carburant
EP1309790B1 (fr) Soupape d'injection de carburant
EP0890732A2 (fr) Soupape à commande électromagnétique
DE19751847A1 (de) Brennstoffeinspritzventil und Verfahren zur Herstellung einer Ventilnadel eines Brennstofeinspritzventils
DE102020215621A1 (de) Brennstoffeinspritzventil
DE10321148A1 (de) Brennstoffeinspritzventil

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 20010115

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 59908956

Country of ref document: DE

Date of ref document: 20040429

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20040708

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20040914

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20040917

Year of fee payment: 6

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20041228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050925

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20051118

Year of fee payment: 7

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20050925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060531

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20060531

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060930

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070403

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070925