EP1144841B1 - Procede pour positionner l'entrainement de reglage dans un injecteur de carburant, et dispositif pour la mise en oeuvre de ce procede - Google Patents

Procede pour positionner l'entrainement de reglage dans un injecteur de carburant, et dispositif pour la mise en oeuvre de ce procede Download PDF

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Publication number
EP1144841B1
EP1144841B1 EP20000943547 EP00943547A EP1144841B1 EP 1144841 B1 EP1144841 B1 EP 1144841B1 EP 20000943547 EP20000943547 EP 20000943547 EP 00943547 A EP00943547 A EP 00943547A EP 1144841 B1 EP1144841 B1 EP 1144841B1
Authority
EP
European Patent Office
Prior art keywords
housing
piezoactuator
fuel injector
base plate
piezoelectric actuator
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
EP20000943547
Other languages
German (de)
English (en)
Other versions
EP1144841A2 (fr
Inventor
Reda Rizk
Martin Neumaier
Wilhelm Frank
Günter LEWENTZ
Wendelin KLÜGL
Stefan Lehmann
Gerd Schmutzler
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to EP20040026927 priority Critical patent/EP1505295B1/fr
Publication of EP1144841A2 publication Critical patent/EP1144841A2/fr
Application granted granted Critical
Publication of EP1144841B1 publication Critical patent/EP1144841B1/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
    • 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
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
    • 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
    • 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
    • F02M61/167—Means for compensating clearance or thermal expansion
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/701—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger mechanical
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8053—Fuel injection apparatus manufacture, repair or assembly involving mechanical deformation of the apparatus or parts thereof
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8069—Fuel injection apparatus manufacture, repair or assembly involving removal of material from the fuel apparatus, e.g. by punching, hydro-erosion or mechanical operation
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8092—Fuel injection apparatus manufacture, repair or assembly adjusting or calibration
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/598—With repair, tapping, assembly, or disassembly means
    • Y10T137/5987—Solenoid or electromagnetically operated 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
    • Y10T29/49405—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
    • Y10T29/49405—Valve or choke making
    • Y10T29/49412—Valve or choke making with assembly, disassembly or composite article making
    • Y10T29/49416—Valve or choke making with assembly, disassembly or composite article making with material shaping or cutting
    • Y10T29/49423—Valve or choke making with assembly, disassembly or composite article making with material shaping or cutting including metal deforming

Definitions

  • the invention relates to a method for positioning the Actuator in a fuel injector according to the preamble of claim 1; a device for carrying out the method according to the preamble of claim 4 and a fuel injector according to the preamble of the claim 9th
  • the fuel injector generally comprises an injection valve, the hydraulically opened by a servo valve and is closed to the timing of the injection process to specify exactly in the combustion chamber.
  • the servo valve is thereby controlled by an electrically Actuator actuated, in particular, the use of piezoelectric Actuators to achieve sufficiently short switching times has proved favorable.
  • a piezoelectric Actuator becomes a longitudinal strain by applying voltage caused to be transmitted to the servo valve, which in turn opens or closes the injection valve.
  • the lying in the micron range longitudinal expansion of the piezoelectric Actuator can operate the servo valve, this is Elongation generally either mechanically by a lever levers mounted in fuel or hydraulically reinforced by a pressure chamber.
  • a fuel injector with a piezo actuator and hydraulic Reinforcement is described, for example, in U.S. Patent No. 5,779,149.
  • the idle stroke should on the one hand be as small as possible, always with defined conditions and to minimize the dynamic loads hold. On the other hand, there must always be a minimum clearance between the actor and actuator can be guaranteed to malfunction in the To avoid operation.
  • the setting of the idle stroke in the fuel injector is so far made so that the exact arrangement of the individual Components of the fuel injector and in particular their Distances to each other mathematically from the dimensions of this Components are determined.
  • each component must be individually measured consuming. After measuring the idle stroke is then through between the Injector housing and the actuator or the servo valve arranged Shims set, the minimum tolerance and therefore very much in production are expensive.
  • the object of the present invention is to provide a method for Positioning the actuator in a fuel injector and an apparatus for carrying out such a method to create, in which or at a low cost Reliable positioning of the actuator in the Fuel injector is possible and the one or more suitable for serial production Function test of the fuel injector allowed.
  • the setting of the idle stroke is made so that to the piezoelectric actuator before its installation in the fuel injector a defined voltage is applied to a longitudinal strain to cause the piezo elements, which exactly the desired Idle stroke corresponds.
  • the bottom plate of the piezoelectric actuator becomes Ground flush with the actuator housing.
  • the current or dead state is the bottom plate opposite the actuator housing then back to the idle stroke.
  • a balancing ring between the piezoelectric actuator and the Housing of the fuel injector provided.
  • the balancing ring is completely assembled in the down to the piezoelectric actuator Fuel injector inserted and by a biasing device deformed with flat effective surface until the Servo valve lifts off from its valve seat. Then screw it instead of the biasing device the piezoelectric actuator until it abuts the compensation ring in the injector housing a, so inevitably arises before as stated above set idle stroke between the bottom plate of the piezoelectric actuator and the actuator of the fuel injector servo valve one.
  • This is an active connection between the piezoelectric actuator and the actuator for the servo valve with specified Positions designed such that the idle stroke between Piezoelectric actuator and actuator despite the inevitable Manufacturing tolerances of the individual components always the specified Value corresponds.
  • the balancing ring is preferably made of soft iron or soft copper.
  • the piezoelectric actuator before its installation without voltage applied plan be ground, the intended Idle stroke during the deformation of the compensation ring via a survey is set on the pretensioner.
  • the Biasing device not from a flat stamp, but from a stamp with embossed front.
  • the figure of the drawing shows in section a part of an injector for fuel injection into the combustion chamber of a Internal combustion engine in a common rail system.
  • a piezoelectric actuator 2 with a Housing 3 and a bottom plate 4 screwed.
  • a piezoelectric element array (not shown in detail), with the bottom plate 4 communicates. If to the piezoelectric element via (Also not shown) supply lines applied a voltage is changed, this changes their length, and the bottom plate 4 changed thereby their position relative to the actuator housing. 3
  • the transmission element 5 in the fuel injector housing 1 in turn acts on a valve stem 6, which at a Valve element 7 of a servo valve is applied.
  • the piezoelectric actuator 2 before installation in the injector 1 edited so that the bottom plate 4 to the exact predetermined Leerhub .DELTA.h relative to the housing 3 of the piezoelectric actuator back is.
  • the piezoelectric actuator 2 before installation exactly the voltage U is applied in the injector housing 1, which corresponds to a longitudinal expansion of the piezoelectric element arrangement the predetermined idle stroke .DELTA.h causes, and it will be the case 3 and the bottom plate 4 of the piezoelectric actuator 2 when applied Tension U flat ground.
  • the piezoelectric actuator 2 instead of the biasing device, the piezoelectric actuator 2, the bottom plate 4 as described above to the given idle stroke .DELTA.h lags, until it stops in the Screwed housing 1 of the fuel injector, that is until the piezoelectric actuator housing 3 abuts against the compensation ring 9, so the leading edge of the Piezoaktorgepuruses 3 is exactly at the height, the front of the pretensioner had when the servo valve began to open.
  • the bottom plate 4 of the piezoelectric actuator 2 is set back by the given idle stroke ⁇ h the idle stroke of the actuator in the fuel injector, that is the game between the bottom plate 4 of the piezoelectric actuator. 2 and servo valve, exactly the predetermined value ⁇ h.
  • the central effective surface on the pretensioner, with the transmission element 5 engages stands with others Words in installation direction by the predetermined value .DELTA.h for the idle stroke with respect to the peripheral effective surface, which engages with the balancing ring 9.
  • the idle stroke between Piezo actuator 2 and servo valve exactly the predetermined value .DELTA.h on, since the thickness of the balancing ring 9 with the biasing means is adjusted so that during operation of the Fuel injector begins to open the servo valve after the bottom plate 4 of the piezoelectric actuator 2 in its control has covered the free travel ⁇ h.

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

Abstract

Selon l'invention, le positionnement de l'entraînement de réglage dans un injecteur de carburant, comprenant un actionneur piézo (2) qui est vissé dans le boîtier (1) de l'injecteur de carburant, implique l'application d'une tension (U) à l'actionneur piézo (2), tension qui correspond à une course à vide (Δh) préallouée, et la rectification du boîtier (3) et de la plaque de fond (4) de l'actionneur piézo (2) pendant l'application de cette tension (U). Entre le boîtier (1) de l'injecteur de carburant et le boîtier (3) de l'actionneur piézo (2) est placée en outre une bague d'ajustage (9) d'une épaisseur adaptée.

Claims (9)

  1. Procédé pour positionner le mécanisme de commande dans un carter d'injecteur de carburant (1) comprenant un actionneur piézo-électrique (2) et un élément de commande (5, 6, 7) qui sont en relation d'action l'un avec l'autre, l'actionneur piézo-électrique (2) étant placé de manière mobile dans un boítier (3) et comportant une plaque de fond (4) associée à une ouverture du boítier (3),
       caractérisé par l'application à l'actionneur piézo-électrique (2) d'une tension électrique (U) correspondant à une course à vide préétablie (Δh), et
       la rectification plane du boítier (3) et de la plaque de fond (4) de l'actionneur piézo-électrique (2) pendant que la tension électrique (U) reste appliquée.
  2. Procédé selon la revendication 1, caractérisé en ce que l'actionneur piézo-électrique (2) est serré dans une machine à rectifier pour effectuer la rectification plane du boítier (3) et de la plaque de fond (4) de l'actionneur piézo-électrique (2), la tension électrique (U) étant appliquée à l'actionneur piézo-électrique (2) par l'intermédiaire de bagues collectrices.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'un anneau de compensation (9) est prévu entre le carter de l'injecteur de carburant (1) et le boítier (3) de l'actionneur piézo-électrique (2), l'anneau étant déformé de manière plastique au moyen d'un dispositif de précontrainte ayant une face frontale plane, jusqu'à une épaisseur à laquelle l'élément de commande (5, 6, 7) commence à s'ouvrir par suite de l'action de la face frontale du dispositif de précontrainte.
  4. Dispositif pour positionner le mécanisme de commande dans un carter d'injecteur de carburant (1) comprenant un actionneur piézo-électrique (2) et un élément de commande (5, 6, 7) qui sont en relation d'action l'un avec l'autre, l'actionneur piézo-électrique (2) étant placé de manière mobile dans un boítier (3) et comportant une plaque de fond (4) qui est associée à une ouverture du boítier (3),
       caractérisé par un dispositif pour appliquer une tension électrique (U) à l'actionneur piézo-électrique (2) correspondant à une course à vide préétablie (Δh); et
       un dispositif pour rectifier le boítier (3) et la plaque de fond (4) de l'actionneur piézo-électrique (2) avec la tension électrique (U) appliquée.
  5. Dispositif selon la revendication 4, caractérisé par un anneau de compensation (9) inséré entre le carter d'injecteur de carburant (1) et le boítier (3) de l'actionneur piézo-électrique (2), l'anneau étant déformé de manière plastique au moyen d'un dispositif de précontrainte ayant une face frontale plane, jusqu'à une épaisseur à laquelle l'élément de commande (5, 6, 7) commence à s'ouvrir par suite de l'action de la face frontale du dispositif de précontrainte.
  6. Dispositif selon la revendication 5, caractérisé en ce que l'anneau de compensation (9) est inséré entre deux surfaces planes et déformé de manière plastique par une compression entre ces deux surfaces jusqu'à une épaisseur prédéterminée.
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que l'anneau de compensation (9) est composé d'un matériau pouvant fluer, le matériau de l'anneau de compensation commençant à fluer lors de la compression de l'anneau de compensation et étant de cette façon déformé de manière plastique permanente.
  8. Dispositif selon la revendication 7, caractérisé en ce que l'anneau de compensation (9) est composé de fer doux et d'un cuivre doux.
  9. Injecteur de carburant, comprenant un actionneur piézo-électrique (2) et un élément de commande (5, 6, 7) qui sont en relation d'action l'un avec l'autre, l'actionneur piézo-électrique (2) étant placé de manière mobile dans un boítier (3) et comportant une plaque de fond (4) associée à une ouverture du boítier (3),
       caractérisé en ce que la plaque de fond (4) de l'actionneur piézo-électrique (2) qui est en relation d'action avec l'élément de commande (5, 6, 7), est en retrait d'une distance de course à vide (Ah) par rapport au bord avant du boítier (3) dans l'état sans tension, et
       que le bord avant du boítier (3) est disposé au niveau de l'élément de commande (5, 6, 7).
EP20000943547 1999-05-07 2000-05-04 Procede pour positionner l'entrainement de reglage dans un injecteur de carburant, et dispositif pour la mise en oeuvre de ce procede Expired - Lifetime EP1144841B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20040026927 EP1505295B1 (fr) 1999-05-07 2000-05-04 Méthode de positionnement d'un actionneur d'un injecteur de carburant et dispositif pour effectuer la méthode

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19921242 1999-05-07
DE1999121242 DE19921242C1 (de) 1999-05-07 1999-05-07 Verfahren zum Positionieren des Stellantriebs in einem Kraftstoffinjektor und Vorrichtung zur Durchführung des Verfahrens
PCT/DE2000/001408 WO2000068563A2 (fr) 1999-05-07 2000-05-04 Procede pour positionner l'entrainement de reglage dans un injecteur de carburant, et dispositif pour la mise en oeuvre de ce procede

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20040026927 Division EP1505295B1 (fr) 1999-05-07 2000-05-04 Méthode de positionnement d'un actionneur d'un injecteur de carburant et dispositif pour effectuer la méthode

Publications (2)

Publication Number Publication Date
EP1144841A2 EP1144841A2 (fr) 2001-10-17
EP1144841B1 true EP1144841B1 (fr) 2005-07-20

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EP20000943547 Expired - Lifetime EP1144841B1 (fr) 1999-05-07 2000-05-04 Procede pour positionner l'entrainement de reglage dans un injecteur de carburant, et dispositif pour la mise en oeuvre de ce procede
EP20040026927 Expired - Lifetime EP1505295B1 (fr) 1999-05-07 2000-05-04 Méthode de positionnement d'un actionneur d'un injecteur de carburant et dispositif pour effectuer la méthode

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EP20040026927 Expired - Lifetime EP1505295B1 (fr) 1999-05-07 2000-05-04 Méthode de positionnement d'un actionneur d'un injecteur de carburant et dispositif pour effectuer la méthode

Country Status (4)

Country Link
US (3) US6705587B1 (fr)
EP (2) EP1144841B1 (fr)
DE (3) DE19921242C1 (fr)
WO (1) WO2000068563A2 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19956256B4 (de) * 1999-11-23 2004-04-08 Siemens Ag Leerhubeinstellung zwischen einem Aktor und einem Übertragungselement eines Ventils in einem Kraftstoffinjektor
DE10016247B4 (de) * 2000-03-31 2009-10-22 Continental Automotive Gmbh Einspritzventil mit einer Dichtmembran
DE10055639A1 (de) * 2000-11-10 2002-05-23 Siemens Ag Injektor zum Einspritzen von Kraftstoff in einen Brennraum
DE10055644A1 (de) * 2000-11-10 2002-05-23 Siemens Ag Verfahren zum Einstellen eines Leerhubs eines Injektors, wobei der Leerhub durch eine Aktoreinheit mit einem elektrisch ansteuerbaren Aktor und einen vom Aktor betätigten Ventilkolben gebildet wird
DE10228063A1 (de) † 2002-06-17 2004-01-08 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs
WO2004005699A1 (fr) * 2002-07-02 2004-01-15 Siemens Aktiengesellschaft Injecteur pour un systeme d'injection
DE10233100A1 (de) * 2002-07-20 2004-01-29 Robert Bosch Gmbh Piezoelektrisches Aktormodul und Verfahren zur Montage eines piezoelektrischen Aktormoduls
DE10304240A1 (de) * 2003-02-03 2004-10-28 Volkswagen Mechatronic Gmbh & Co. Kg Vorrichtung zum Übertragen einer Auslenkung eines Aktors
DE10304458A1 (de) 2003-02-04 2004-08-19 Siemens Ag Verfahren zum exakten Positionieren eines Bauteils in einer Stufenbohrung eines Gehäuses sowie Injektor für die Kraftstoffeinspritzung
US6971172B2 (en) * 2003-08-08 2005-12-06 Cummins Inc. Piezoelectric control valve adjustment method
US20060138374A1 (en) * 2004-04-14 2006-06-29 Lucas Michael A Solenoid actuated flow control valve including adjustable spacer
DE102004022958A1 (de) * 2004-05-10 2005-12-22 Siemens Ag Kraftstoffinjektor mit einer korrigierbaren Einstellung eines Leerhubs einer Aktoreinheit
DE102005013911B4 (de) * 2005-03-24 2019-10-02 Continental Automotive Gmbh Stellantrieb zur Betätigung eines Kraftstoffeinspritzventils
DE102005015409B4 (de) 2005-04-04 2019-01-03 Continental Automotive Gmbh Verfahren und Vorrichtung zur Vorgabe eines Abstands zwischen einem vorgegebenen ersten Bezugspunkt auf einem ersten Körper und einem vorgegebenen zweiten Bezugspunkt auf einem zweiten Körper und Körpervorrichtung
DE602006009822D1 (de) * 2006-11-02 2009-11-26 Continental Automotive Gmbh Injektor zum Zumessen von Fluid und Verfahren zur Montage des Injektors
DE602008005725D1 (de) * 2008-06-27 2011-05-05 Fiat Ricerche Brennstoffeinspritzvorrichtung mit balanciertem Mess-Servoventil für einen Verbrennungsmotor
DE102010044285B4 (de) * 2010-09-03 2014-02-27 Continental Automotive Gmbh Verfahren und Vorrichtung zum Einstellen eines Leerhubs eines Stellantriebs eines Einspritzventils und Injektorbaugruppe
DE102011090196A1 (de) 2011-12-30 2013-07-04 Continental Automotive Gmbh Hebelvorrichtung und Einspritzventil
DE102011090200A1 (de) * 2011-12-30 2013-07-04 Continental Automotive Gmbh Hebelvorrichtung und Einspritzventil
DE102012205044A1 (de) * 2012-03-29 2013-10-02 Continental Automotive Gmbh Verfahren zum Verbessern einer Maßhaltigkeit einer Kraftstoffinjektor-Komponente sowie Kraftstoffinjektor-Komponente
FR3013392B1 (fr) * 2013-11-21 2017-12-29 Continental Automotive France Procede de surveillance d'un injecteur de carburant d'un moteur a combustion interne d'un vehicule
GB201509473D0 (en) * 2015-06-02 2015-07-15 Delphi Int Operations Lux Srl Sealing membrane for piezo actuator
DE102019217970A1 (de) * 2019-11-21 2021-05-27 Robert Bosch Gmbh Ventil zum Zumessen eines Fluids

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675022A (en) * 1949-06-09 1954-04-13 Donald I Bohn Injection valve and actuating means therefor
US3194162A (en) * 1962-11-15 1965-07-13 Clevite Corp Piezoelectric fuel injector
US3524474A (en) * 1967-10-12 1970-08-18 Delta Hydraulics Co Servo-valve with ceramic force motor
US3656769A (en) * 1968-09-30 1972-04-18 Parker Hannifin Corp Fluid sealing joint and gasket
US3648967A (en) * 1970-11-10 1972-03-14 Physics Int Co Temperature compensated hydraulic valve
US4022166A (en) * 1975-04-03 1977-05-10 Teledyne Industries, Inc. Piezoelectric fuel injector valve
US4176822A (en) * 1977-10-31 1979-12-04 Chrysler Corporation Fuel injection system and control valve for multi-cylinder engines
FR2407033A1 (fr) * 1977-10-31 1979-05-25 Honda Motor Co Ltd Procede de fabrication de jantes de roues sans soudure
US4281819A (en) * 1978-03-23 1981-08-04 Linder Morris B Balanced stem gate valve
DE2936425A1 (de) * 1979-09-08 1981-04-02 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetisch betaetigbares kraftsoffeinspritzventil
US4379403A (en) * 1979-10-18 1983-04-12 Nippon Soken, Inc. Knock detecting apparatus for internal combustion engines
DE3237258C1 (de) * 1982-10-08 1983-12-22 Daimler-Benz Ag, 7000 Stuttgart Elektrisch vorgesteuerte Ventilanordnung
JPS60104762A (ja) * 1983-11-10 1985-06-10 Nippon Soken Inc 電歪式アクチュエータ及びそれを用いた燃料噴射弁
US4593658A (en) * 1984-05-01 1986-06-10 Moloney Paul J Valve operating mechanism for internal combustion and like-valved engines
EP0192241B1 (fr) * 1985-02-19 1988-09-21 Nippondenso Co., Ltd. Soupape de commande pour régler le passage de fluide
FR2580728B1 (fr) 1985-04-19 1989-05-05 Alsacienne Constr Meca Systeme d'injection de combustible pour moteur diesel
US4610080A (en) * 1985-07-29 1986-09-09 Allied Corporation Method for controlling fuel injector lift
DE3533521A1 (de) * 1985-09-20 1987-04-02 Bosch Gmbh Robert Elektromagnetisch betaetigbares kraftstoffeinspritzventil
JPS62151681A (ja) * 1985-12-25 1987-07-06 Nippon Denso Co Ltd 流体制御用電磁弁
WO1987004093A1 (fr) * 1985-12-28 1987-07-16 Falcore Co., Ltd. Procede de preparation d'une base metallique pour un disque de memoire
DE3713697A1 (de) 1987-04-24 1988-11-10 Licentia Gmbh Ultraschnelles steuerventil
DE3727342A1 (de) * 1987-08-17 1989-03-02 Bosch Gmbh Robert Elektromagnetisch betaetigbares kraftstoffeinspritzventil
IT1211626B (it) * 1987-12-24 1989-11-03 Weber Srl Iniettore elettromagnetico di combustibile di tipo perfezionato
JPH03163280A (ja) * 1989-11-20 1991-07-15 Nippondenso Co Ltd 積層型圧電体装置
US5165653A (en) * 1991-08-22 1992-11-24 Caterpillar Inc. Pressure equalization valve for a hydraulic system
JPH05180114A (ja) * 1991-12-27 1993-07-20 Aisin Seiki Co Ltd 燃料噴射弁
DE4205887A1 (de) * 1992-02-26 1993-09-02 Bosch Gmbh Robert Vorrichtung zur einspritzung eines brennstoff-gas-gemisches
US5417142A (en) * 1992-12-18 1995-05-23 Caterpillar Inc. Hydraulic amplifier
DE4306072C2 (de) 1993-02-26 1994-12-08 Siemens Ag Vorrichtung zum Öffnen und Verschließen einer in einem Gehäuse vorhandenen Durchtrittsöffnung
DE4307159B4 (de) * 1993-03-06 2009-03-26 Robert Bosch Gmbh Spritzlochscheibe für ein Ventil und Verfahren zur Herstellung
DE4434892A1 (de) 1994-09-29 1996-04-11 Siemens Ag Einspritzventil
DE19519192C1 (de) 1995-05-24 1996-06-05 Siemens Ag Einspritzventil
WO1996041947A1 (fr) * 1995-06-08 1996-12-27 Siemens Automotive Corporation Procede d'ajustage d'un entrefer d'un electro-aimant
JP3329998B2 (ja) * 1995-10-17 2002-09-30 三菱電機株式会社 筒内噴射用燃料噴射弁
DE19538791C2 (de) 1995-10-18 1998-04-09 Daimler Benz Ag Piezosteuerventil für Kraftstoffeinspritzanlagen von Brennkraftmaschinen
US5779149A (en) * 1996-07-02 1998-07-14 Siemens Automotive Corporation Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke
DE19702066C2 (de) * 1997-01-22 1998-10-29 Daimler Benz Ag Piezoelektrischer Injektor für Kraftstoffeinspritzanlagen von Brennkraftmaschinen
DE19709794A1 (de) * 1997-03-10 1998-09-17 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
EP0869278B1 (fr) * 1997-04-04 2004-03-24 Siemens Aktiengesellschaft Soupape à injection avec moyens de compensation de la dilatation thermique d'un organe d'actionnement piézoélectrique
DE29708546U1 (de) 1997-05-14 1998-09-10 FEV Motorentechnik GmbH & Co. KG, 52078 Aachen Elektrischer Festkörperaktuator mit hydraulischer Übersetzung
DE19727992C2 (de) * 1997-07-01 1999-05-20 Siemens Ag Ausgleichselement zur Kompensation temperaturbedingter Längenänderungen von elektromechanischen Stellsystemen
IT1293432B1 (it) * 1997-07-11 1999-03-01 Elasis Sistema Ricerca Fiat Iniettore di combustibile per motori a combustione interna.
US6607178B1 (en) * 1997-09-29 2003-08-19 Siemens Aktiengesellschaft Thrust device, fuel injection valve having such a device, and method for manufacturing a thrust transfer element
DE19742943C1 (de) * 1997-09-29 1999-04-22 Siemens Ag Vorrichtung in einem Einspritzventil zum Halten einer formschlüssigen Verbindung
IT1296144B1 (it) 1997-11-18 1999-06-09 Elasis Sistema Ricerca Fiat Valvola di dosaggio registrabile per un iniettore di combustibile per motori a combustione interna.
DE19757659C1 (de) * 1997-12-23 1999-06-17 Siemens Ag Einspritzventil mit einer Ausgleichsfläche
DE19941930A1 (de) * 1999-09-03 2001-03-15 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US6279842B1 (en) * 2000-02-29 2001-08-28 Rodi Power Systems, Inc. Magnetostrictively actuated fuel injector

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WO2000068563A3 (fr) 2001-07-19
EP1505295B1 (fr) 2010-09-08
US20080011972A1 (en) 2008-01-17
US6705587B1 (en) 2004-03-16
US20040256499A1 (en) 2004-12-23
US7310986B2 (en) 2007-12-25
EP1505295A1 (fr) 2005-02-09
US8720852B2 (en) 2014-05-13
EP1144841A2 (fr) 2001-10-17
DE19921242C1 (de) 2000-10-26
WO2000068563A2 (fr) 2000-11-16
DE50015988D1 (de) 2010-10-21
DE50010750D1 (de) 2005-08-25

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