EP1570170A1 - Soupape d'injection de carburant - Google Patents

Soupape d'injection de carburant

Info

Publication number
EP1570170A1
EP1570170A1 EP03812120A EP03812120A EP1570170A1 EP 1570170 A1 EP1570170 A1 EP 1570170A1 EP 03812120 A EP03812120 A EP 03812120A EP 03812120 A EP03812120 A EP 03812120A EP 1570170 A1 EP1570170 A1 EP 1570170A1
Authority
EP
European Patent Office
Prior art keywords
armature
fuel injection
fuel
stop surface
injection valve
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.)
Granted
Application number
EP03812120A
Other languages
German (de)
English (en)
Other versions
EP1570170B1 (fr
Inventor
Manfred Roessler
Achim Degel
Rolf Keller
Markus Gesk
Guido Pilgram
Bernd Einwiller
Norbert Keim
Michael Lingner
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 EP1570170A1 publication Critical patent/EP1570170A1/fr
Application granted granted Critical
Publication of EP1570170B1 publication Critical patent/EP1570170B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F02M61/166—Selection of particular 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
    • 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
    • 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
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49231—I.C. [internal combustion] engine 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
    • Y10T29/49401—Fluid pattern dispersing device making, e.g., ink jet
    • 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
    • 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
    • Y10T29/49425—Valve or choke making with assembly, disassembly or composite article making including metallurgical bonding
    • 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
    • Y10T29/49426—Valve or choke making including metal shaping and diverse operation
    • 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
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating

Definitions

  • the invention relates to a fuel injector according to the preamble of the main claim.
  • an electromagnetically actuated fuel injection valve is known, the armature of which is characterized in that the armature stop surface facing the inner pole is of slightly wedge-shaped design, in order to reduce the hydraulic damping when the fuel injector is opened and the hydraulic adhesive force after the solenoid coil is switched off To minimize or completely prevent electricity. Furthermore, the stop surface of the armature is designed to be wear-resistant by suitable measures such as vapor deposition and nitriding, so that the stop surface has the same size throughout the life of the fuel injector and the operation of the fuel injector is not impaired.
  • a disadvantage of the fuel injector known from EP 0 683 862 B1 is, above all, the hydraulic damping force which is still present in the working gap when the armature is tightened, despite the optimized armature stop surface. Is an excitation current to the solenoid applied, the armature moves in the direction of the inner pole and thereby displaces the fuel present between the inner pole and the armature. Due to the effects of friction and inertia, a local pressure field is created, which generates a hydraulic force on the anchor stop surface that acts against the direction of movement of the anchor. This extends the opening and metering times of the fuel injector.
  • the fuel injector according to the invention with the features of the main claim has the advantage that the design of the surface structure of the coating applied to the armature on the one hand effectively protects the armature stop surface and on the other hand the hydraulic damping force is considerably reduced, as a result of which the fuel injector can be opened more quickly, which in more precise metering times and quantities as well as a higher endurance resistance results.
  • the coating has raised and recessed areas, the height difference between the areas being dimensioned such that the recessed areas remain below the raised areas even after long operation.
  • the height difference is advantageously between 5 ⁇ m and 10 ⁇ , which exceeds the normal removal after the running-in phase.
  • the coating is advantageously constructed from one or more chrome layers. drawing
  • FIG. 2A shows a highly schematic, enlarged detail from an exemplary embodiment of a newly coated armature of a fuel injector according to the invention.
  • Embodiment of the anchor after a long running phase Embodiment of the anchor after a long running phase.
  • FIGS. 2A and 2B Before an embodiment of an armature of a fuel injection valve according to the invention is described in more detail with reference to FIGS. 2A and 2B, a fuel injector already known with regard to its essential components will first be briefly explained with reference to FIG. 1 for a better understanding of the invention.
  • An exemplary embodiment of a fuel injection valve 1 shown in FIG. 1 is in the form of a fuel injection valve 1 for fuel injection systems of mixture-compressing, spark-ignited
  • the fuel injection valve 1 is particularly suitable for injecting fuel directly into a combustion chamber (not shown) of an internal combustion engine.
  • the fuel injection valve 1 consists of a nozzle body 2, in which a valve needle 3 is arranged.
  • the valve needle 3 is operatively connected to a valve closing body 4, which cooperates with a valve seat surface 6 arranged on a valve seat body 5 to form a sealing seat.
  • the fuel injection valve 1 is a fuel injection valve 1 that opens inwards and has a spray opening 7.
  • the nozzle body 2 is sealed by a seal 8 against an outer pole 9 of a solenoid 10.
  • the magnet coil 10 is encapsulated in a coil housing 11 and wound on a coil carrier 12, which bears against an inner pole 13 of the magnet coil 10.
  • the inner pole 13 and the outer pole 9 are separated from one another by a constriction 26 and connected to one another by a non-ferromagnetic connection component 29.
  • the magnet coil 10 is excited via a line 19 by an electrical current that can be supplied via an electrical plug contact 17.
  • the plug contact 17 is surrounded by a plastic sheath 18, which can be molded onto the inner pole 13.
  • valve needle 3 is guided in a valve needle guide 14, which is disc-shaped.
  • a paired adjusting disk 15 is used for stroke adjustment.
  • the armature 20 is located on the other side of the adjusting disk 15. This armature is non-positively connected to the valve needle 3 via a first flange 21, which is connected to the first flange 21 by a weld seam 22.
  • a restoring spring 23 is supported on the first flange 21 and, in the present design of the fuel injector 1, is preloaded by a sleeve 24.
  • Fuel channels 30, 31 and 32 run in the valve needle guide 14, in the armature 20 and on a guide element 36.
  • the fuel is supplied via a central fuel supply 16 and filtered by a filter element 25.
  • the fuel injector 1 is against by a seal 28 a fuel rail, not shown, and sealed by a further seal 37 against a cylinder head, not shown.
  • An annular damping element 33 which consists of an elastomer material, is arranged on the spray-side side of the armature 20. It rests on a second flange 34, which is non-positively connected to the valve needle 3 via a weld seam 35.
  • the armature 20 In the idle state of the fuel injection valve 1, the armature 20 is acted upon by the return spring 23 against its stroke direction in such a way that the valve closing body 4 is held in sealing contact with the valve seat surface 6.
  • the magnetic coil 10 When the magnetic coil 10 is excited, it builds up a magnetic field which moves the armature 20 against the spring force of the return spring 23 in the stroke direction, the stroke being predetermined by a working gap 27 which is in the rest position between the inner pole 12 and the armature 20.
  • the armature 20 also takes the first flange 21, which is welded to the valve needle 3, in the lifting direction.
  • the valve closing body 4, which is connected to the valve needle 3, lifts off the valve seat surface 6, and the fuel guided through the fuel channels 30 to 32 is sprayed off through the spray opening 7.
  • the armature 20 drops from the inner pole 13 after the magnetic field has been sufficiently reduced by the pressure of the return spring 23, as a result of which the first flange 21, which is connected to the valve needle 3, moves counter to the stroke direction.
  • the valve needle 3 is thereby moved in the same direction, as a result of which the valve-closure member 4 is seated on the valve seat surface 6 and the fuel injector 1 is closed.
  • FIG. 2A shows a highly schematic, fragmentary illustration of an armature stop surface 38 facing the inner pole 13 of the fuel injection valve 1.
  • the armature 20 can already, as in that in FIG. 1, already Fuel injector 1 described in more detail.
  • the anchor stop surface 38 is provided according to the invention with a coating 40, which on the one hand protects the anchor stop surface 38 and a corresponding stop surface 39 on the inner pole 13 from wear and, on the other hand, due to its special surface structure 41 for rapid drainage of the fuel when the armature 20 is pulled when the solenoid is energized 10 ensures and thus does not interfere with the opening process of the fuel injector 1.
  • the cavitation of the armature stop surface 38 and the stop surface 39 of the inner pole 13 is reduced since the fuel is not swirled.
  • the surface structure 41 has raised and deepened areas 42, 43 which are achieved by a corresponding coating process. Chromium is preferably used for the coating 40, which is applied in several layers to the anchor stop surface 38 of the anchor 20. This results, in particular, in domed regions 42, between which the recessed regions 43 are formed.
  • the area which is available as an anchor stop surface 38 due to the alternating raised and recessed regions 42, 43 is, as expected, smaller than a closed anchor stop surface 38, so that when the fuel injector 1 closes, there is a reduced hydraulic sticking between the anchor stop surface 38 and the stop surface 39 of the Inner pole 13 can be observed.
  • the surface structure 41 is removed to such an extent after an initial phase in continuous operation that a stable surface structure 41 with subsequent very low wear occurs (running-in), which nevertheless continues to serve as a drainage through the deepened Areas 43 has.
  • the difference in height between the elevated and the recessed areas 42, 43 before running in, is between 5 and 10 ⁇ m and decreases according to the typical wear depths of approx. 4 to 5 ⁇ m. This ensures effective drainage of the armature stop surface 38 and at the same time a large contact surface between the armature stop surface 38 and the stop surface 39 of the inner pole 13.
  • the invention is not limited to the exemplary embodiment shown and can also be implemented with a large number of other designs of fuel injection valves.
  • the coating 40 may e.g. B. Alternatively or additionally, it can also be provided on the stop surface 39 of the inner pole 13.

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)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne une soupape d'injection de carburant (1) pour des systèmes d'injection de carburant de moteurs à combustion interne. Cette soupape d'injection comprend une bobine d'électroaimant (10), un induit (20) soumis à l'action d'un ressort de rappel (23) dans un sens de fermeture et un pointeau de soupape (3) en liaison de force avec l'induit (20), pointeau sur lequel est formé un corps de fermeture de soupape (4) formant un siège d'étanchéité avec une surface de siège de soupape (6). Une surface de butée (38) de l'induit (20) bute contre une surface de butée (39) d'un pôle intérieur (13) de la bobine d'électroaimant (10) et la surface de butée (38) de l'induit est enduite d'un revêtement (40), lequel revêtement (40) présente une surface structurée (41).
EP03812120.8A 2002-12-04 2003-07-02 Soupape d'injection de carburant Expired - Lifetime EP1570170B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10256662A DE10256662A1 (de) 2002-12-04 2002-12-04 Brennstoffeinspritzventil
DE10256662 2002-12-04
PCT/DE2003/002211 WO2004051072A1 (fr) 2002-12-04 2003-07-02 Soupape d'injection de carburant

Publications (2)

Publication Number Publication Date
EP1570170A1 true EP1570170A1 (fr) 2005-09-07
EP1570170B1 EP1570170B1 (fr) 2014-04-16

Family

ID=32318943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03812120.8A Expired - Lifetime EP1570170B1 (fr) 2002-12-04 2003-07-02 Soupape d'injection de carburant

Country Status (6)

Country Link
US (2) US8020789B2 (fr)
EP (1) EP1570170B1 (fr)
JP (1) JP2006509140A (fr)
CN (1) CN100432418C (fr)
DE (1) DE10256662A1 (fr)
WO (1) WO2004051072A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006022727A (ja) * 2004-07-08 2006-01-26 Aisan Ind Co Ltd 燃料噴射弁
DE102008042593A1 (de) * 2008-10-02 2010-04-08 Robert Bosch Gmbh Kraftstoff-Injektor sowie Oberflächenbehandlungsverfahren
US8523090B2 (en) * 2009-12-23 2013-09-03 Caterpillar Inc. Fuel injection systems and armature housings
DE102010064105A1 (de) * 2010-12-23 2012-01-19 Robert Bosch Gmbh Ventil zum Einspritzen von Kraftstoff
JP2012246789A (ja) * 2011-05-25 2012-12-13 Denso Corp 燃料噴射弁
DE102011089999A1 (de) * 2011-12-27 2013-06-27 Robert Bosch Gmbh Magnetventil, insbesondere Mengensteuerventil einer Kraftstoff-Hochdruckpumpe
US9228550B2 (en) 2013-03-11 2016-01-05 Stanadyne Llc Common rail injector with regulated pressure chamber
JP6656266B2 (ja) * 2015-12-24 2020-03-04 日立オートモティブシステムズ株式会社 電磁弁及びその製造方法
DE102017218224A1 (de) * 2017-10-12 2019-04-18 Robert Bosch Gmbh Ventil zum Zumessen eines Fluids, insbesondere Brennstoffeinspritzventil
DE102017218764A1 (de) * 2017-10-20 2019-04-25 Robert Bosch Gmbh Magnetventil zum Steuern von Fluiden
DE102019214259A1 (de) * 2019-09-19 2021-03-25 Robert Bosch Gmbh Ventil zum Zumessen eines Fluids

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385904A1 (fr) * 1977-03-28 1978-10-27 Promeyrat Casteilla Tech Nle M Piston alternatif a pourtour de tete auto-adaptable pour l'amelioration fondamentale du moteur thermique, et autres machines a pistons alternatifs
US4245789A (en) * 1979-05-03 1981-01-20 General Motors Corporation Electromagnetic fuel injector
DE3230844A1 (de) * 1982-08-19 1984-02-23 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetisch betaetigbares ventil
DE3501973A1 (de) * 1984-01-23 1985-07-25 Nippondenso Co., Ltd., Kariya, Aichi Brennstoff-einspritzduese
JPS60153467A (ja) 1984-01-23 1985-08-12 Nippon Denso Co Ltd 電磁式燃料噴射弁
DE3408012A1 (de) * 1984-03-05 1985-09-05 Gerhard Dipl.-Ing. Warren Mich. Mesenich Elektromagnetisches einspritzventil
DE3834445A1 (de) * 1988-10-10 1990-04-12 Mesenich Gerhard Elektromagnetisches einspritzventil mit kippanker
US5085402A (en) * 1990-08-10 1992-02-04 The Lee Company High speed solenoid valve actuator
US5226975A (en) * 1991-03-20 1993-07-13 Cummins Engine Company, Inc. Plasma nitride chromium plated coating method
DE4131535A1 (de) * 1991-09-21 1993-03-25 Bosch Gmbh Robert Elektromagnetisch betaetigbares einspritzventil
IT1250845B (it) * 1991-10-11 1995-04-21 Weber Srl Valvola dosatrice e polverizzatrice di carburante ad azionamento elettromagnetico per un dispositivo di alimentazione di un motore endotermico
EP0683861B1 (fr) * 1993-12-09 1998-03-04 Robert Bosch Gmbh Soupape a commande electromagnetique
RU2131549C1 (ru) * 1993-12-09 1999-06-10 Роберт Бош Гмбх Электромагнитный клапан
JPH1047199A (ja) * 1996-07-31 1998-02-17 Mitsubishi Electric Corp 筒内噴射用燃料噴射弁
DE19639117A1 (de) * 1996-09-24 1998-03-26 Bosch Gmbh Robert Brennstoffeinspritzventil
JP3145322B2 (ja) * 1996-11-29 2001-03-12 トヨタ自動車株式会社 筒内噴射式内燃機関の燃料噴射弁
DE19902527B4 (de) * 1999-01-22 2009-06-04 Hydro Aluminium Deutschland Gmbh Druckplattenträger und Verfahren zur Herstellung eines Druckplattenträgers oder einer Offsetdruckplatte
DE19960605A1 (de) * 1999-12-16 2001-07-19 Bosch Gmbh Robert Brennstoffeinspritzventil
JP2001267725A (ja) * 2000-03-16 2001-09-28 Matsushita Electric Ind Co Ltd セラミック厚膜印刷回路基板の製造方法
CN1311547C (zh) * 2000-03-23 2007-04-18 精工爱普生株式会社 半导体器件及其制造方法、电路基板和电子装置
DE10036811A1 (de) * 2000-07-28 2002-02-07 Bosch Gmbh Robert Brennstoffeinspritzventil
US6708906B2 (en) * 2000-12-29 2004-03-23 Siemens Automotive Corporation Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having an integral filter and dynamic adjustment assembly
US6607143B2 (en) * 2000-12-29 2003-08-19 Siemens Automotive Corporation Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having a lift set sleeve
US6499668B2 (en) * 2000-12-29 2002-12-31 Siemens Automotive Corporation Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal
KR20020093920A (ko) * 2001-02-16 2002-12-16 닛폰 이타가라스 가부시키가이샤 볼록형 막 및 그 제조 방법
DE10109410A1 (de) * 2001-02-28 2002-09-05 Bosch Gmbh Robert Brennstoffeinspritzventil
DE10124748A1 (de) * 2001-05-21 2003-02-27 Bosch Gmbh Robert Brennstoffeinspritzventil
DE10131201A1 (de) * 2001-06-28 2003-01-16 Bosch Gmbh Robert Magnetventil zur Steuerung eines Einspritzventils einer Brennkraftmaschine
JP2003185051A (ja) * 2001-12-13 2003-07-03 Denso Corp 電磁弁装置およびその製造方法
US6592947B1 (en) * 2002-04-12 2003-07-15 Ford Global Technologies, Llc Method for selective control of corrosion using kinetic spraying
JP3925283B2 (ja) * 2002-04-16 2007-06-06 セイコーエプソン株式会社 電子デバイスの製造方法、電子機器の製造方法
JP2005527954A (ja) * 2002-05-27 2005-09-15 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 基板表面にパターン層を設ける方法
US6858333B2 (en) * 2002-10-09 2005-02-22 Kennametal Inc. Tool with wear resistant low friction coating and method of making the same
US6688578B1 (en) * 2003-01-08 2004-02-10 Robert Bosch Gmbh Electromagnetic actuator for a fuel injector having an integral magnetic core and injector valve body
WO2005061878A2 (fr) * 2003-12-19 2005-07-07 Siemens Vdo Automotive Corporation Injecteurs de carburant a corps polymere, et procede de fabrication correspondant
US7389952B2 (en) * 2004-08-04 2008-06-24 Continental Automotive Systems Us, Inc. Deep pocket seat assembly in modular fuel injector with unitary filter and O-ring retainer assembly and methods
WO2006017778A1 (fr) * 2004-08-05 2006-02-16 Siemens Vdo Automotive Corporation Ensemble à cavité profonde pour injecteur de carburant modulaire doté de bornes de contact axiales et procédés afférents
US8906515B2 (en) * 2009-06-02 2014-12-09 Integran Technologies, Inc. Metal-clad polymer article
US8196600B1 (en) * 2010-12-27 2012-06-12 General Electric Company High-temperature jointed assemblies and wear-resistant coating systems therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004051072A1 *

Also Published As

Publication number Publication date
US20110305823A1 (en) 2011-12-15
EP1570170B1 (fr) 2014-04-16
CN100432418C (zh) 2008-11-12
US8020789B2 (en) 2011-09-20
DE10256662A1 (de) 2004-06-17
CN1714235A (zh) 2005-12-28
US20060151639A1 (en) 2006-07-13
US8656591B2 (en) 2014-02-25
WO2004051072A1 (fr) 2004-06-17
JP2006509140A (ja) 2006-03-16

Similar Documents

Publication Publication Date Title
EP1303697B1 (fr) Soupape d'injection de carburant
EP1309793A1 (fr) Soupape d'injection de carburant
EP1315900A1 (fr) Soupape d'injection de carburant
WO2004051073A1 (fr) Soupape d'injection de carburant
DE10360330A1 (de) Brennstoffeinspritzventil
WO2004051072A1 (fr) Soupape d'injection de carburant
EP1370765A1 (fr) Soupape d'injection de carburant
EP1309789A1 (fr) Soupape d'injection de carburant
DE102010064097A1 (de) Elektromagnetisch betätigbares Ventil
EP1262655B1 (fr) Injecteur de carburant
WO2001044652A1 (fr) Soupape d'injection de carburant
EP1395746B1 (fr) Soupape d'injection de carburant
EP1350025A1 (fr) Liaison entre un induit et un pointeau de soupape d'une soupape d'injection de carburant
DE10345967B4 (de) Brennstoffeinspritzventil
WO2003018994A1 (fr) Injecteur de carburant
DE102005048545A1 (de) Brennstoffeinspritzventil
DE10256661A1 (de) Brennstoffeinspritzventil
EP1481157A1 (fr) Soupape d'injection de carburant
DE102014226367A1 (de) Brennstoffeinspritzventil
EP1402171A1 (fr) Soupape d'injection de carburant et procede de reglage
EP1430217B1 (fr) Soupape d'injection de carburant
EP1328724A2 (fr) Soupape d'injection de carburant
EP1358404B1 (fr) Soupape d'injection de combustible
DE102021212790A1 (de) Elektromagnetisch betätigbares Ventil und Verfahren zur Herstellung
DE102021212791A1 (de) Elektromagnetisch betätigbares Ventil und Verfahren zur Herstellung

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

17P Request for examination filed

Effective date: 20050704

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

17Q First examination report despatched

Effective date: 20080717

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20140116

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: DE

Ref legal event code: R096

Ref document number: 50315022

Country of ref document: DE

Effective date: 20140528

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 50315022

Country of ref document: DE

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: 20150119

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 50315022

Country of ref document: DE

Effective date: 20150119

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

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

Ref country code: GB

Payment date: 20170724

Year of fee payment: 15

Ref country code: IT

Payment date: 20170721

Year of fee payment: 15

Ref country code: FR

Payment date: 20170720

Year of fee payment: 15

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

Effective date: 20180702

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: 20180702

Ref country code: FR

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

Effective date: 20180731

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: 20180702

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

Ref country code: DE

Payment date: 20200924

Year of fee payment: 18

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50315022

Country of ref document: DE

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: 20220201