EP1861615B1 - Actionneur destine a actionner un injecteur de carburant - Google Patents

Actionneur destine a actionner un injecteur de carburant Download PDF

Info

Publication number
EP1861615B1
EP1861615B1 EP06725202A EP06725202A EP1861615B1 EP 1861615 B1 EP1861615 B1 EP 1861615B1 EP 06725202 A EP06725202 A EP 06725202A EP 06725202 A EP06725202 A EP 06725202A EP 1861615 B1 EP1861615 B1 EP 1861615B1
Authority
EP
European Patent Office
Prior art keywords
actuating drive
actuator
latching
drive according
cover
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 - Fee Related
Application number
EP06725202A
Other languages
German (de)
English (en)
Other versions
EP1861615A1 (fr
Inventor
Stefan Kohn
Marcus Unruh
Tim Bohlmann
Michael Denzler
Yavuz Kurt
Klaus Plecher
Emanuel Sanftleben
Claus Zumstrull
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.)
Continental Automotive GmbH
Original Assignee
Continental Automotive 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 Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP1861615A1 publication Critical patent/EP1861615A1/fr
Application granted granted Critical
Publication of EP1861615B1 publication Critical patent/EP1861615B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • 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
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means

Definitions

  • the present invention relates to an actuator according to the preamble of claim 1 and a fuel injector formed therewith.
  • Such an actuator is for example from the DE 102 51 225 A1 known.
  • a fuel-resistant sealing ring O-ring
  • a sleeve of insulating material is also used below the sealing ring, which causes a centering and electrical insulation of the contact pin.
  • a further contacting arrangement for the electrical further connection of contact pins of a piezoactuator with laterally protruding connecting pins of an external connection device is known, for example, from US Pat DE 198 44 743 C1 known.
  • This publication describes a contact tongue carrier with through-holes for the contact pins and with welding tabs, which are arranged adjacent to the passage openings so that they can be welded to the passed-through contact pins.
  • the welding straps of the contact tongue carrier are in this case electrically connected to laterally projecting contact tongues, which can thus be used for the external connection of the finished fuel injector.
  • the known encapsulation of a contacting and / or sealing arrangement on an actuator is comparatively easy to perform and advantageously protects the underlying actuator components.
  • the sealing arrangement is gas-permeable and on the outside opens into a cavity which is covered by a held by means of a locking connection on the actuator cover.
  • gas-permeable design of the sealing arrangement leads to a certain "ventilation" of the piezoelectric actuator and thus to an extension of the life or durability of the piezoelectric actuator.
  • a possible explanation of the mechanism of action of the Aktorbelrangeung is that under a certain hermetically sealed gasket as possible actuator housing under certain operating conditions, a negative pressure in the housing interior arises (eg., By temperature fluctuations) through which harmful media by the not completely hermetic in practice trainee seal can get through into the housing interior.
  • Other possible explanations are, for example, that after the manufacture of a hermetically sealed piezo drive, the concentration of any life-shortening gas in the interior of the piezo drive increases or that an atmospheric air-like filling of the housing interior has a positive effect on the life of the piezoelectric ceramic.
  • the sealing arrangement opens on the outside in a cavity which is covered by a lid.
  • This design of the cover has a positive effect on the ventilation of the piezoelectric actuator, wherein a locking connection is provided for fastening the cover to the actuator, so that the assembly of the lid is particularly simple.
  • the outside of the lid can also be used for a label, such a label both before and after placing the lid is possible, for. B. by means of a caption laser.
  • the lid has latching projections and / or latching recesses which cooperate for latching with locking recesses and / or latching projections provided correspondingly on a plastic extrusion. If the lid is placed to its latching substantially in the axial direction of the actuator, so are particularly suitable radial locking projections or latching recesses. In order to simplify the latching, these projections and / or recesses may be formed with corresponding inclined surfaces (run-on slopes). Also, such radial projections or recesses may be radial be provided resiliently on the lid or at the connection region of the actuator for the lid.
  • a provided for connection of the cover plastic encapsulation may, for. B. enclose a front-side lateral surface portion of the sleeve-shaped actuator housing annular and in this case form a frontal opening of the actuator housing in the axial direction superior federal government. On such a collar, the lid can rest and / or be locked. Accordingly, it is provided in one embodiment that the corresponding latching recesses and / or latching projections of the plastic extrusion coating are provided on the collar of the plastic extrusion.
  • the lid has an annular circumferential, axially projecting collar on its circumference, which can cooperate in the mounted state, for example, with the collar of the plastic injection provided on the actuator, such as by support and / or latching. Accordingly, latching projections and / or latching recesses may be provided on the collar of the lid.
  • the connecting device may comprise an electrically insulating plastic molded body placed on the contact pins of the piezoelectric actuator, which contains passage openings for the passage of the contact pins and carries molded, each one of the passage openings associated electrically conductive connecting members, each of which is connected to the associated passage opening adjacent contacting portion for abutment with the penetrated contact pin to one of the plastic molded body projecting pins extend.
  • the cavity provided according to the invention can be connected directly to an end side remote from the piezoelectric actuator of the plastic molding.
  • the plastic molding contains at least one gas exchange passage.
  • the gas-permeable design of the sealing arrangement can be realized in many ways.
  • the gas permeability of the sealing arrangement may be provided by a gas-permeable elastomer material (eg silicone material, in particular fluorosilicon material) and / or a microporous material (eg expanded polytetrafluoroethylene (ePTFE)).
  • a gas-permeable elastomer material eg silicone material, in particular fluorosilicon material
  • ePTFE expanded polytetrafluoroethylene
  • a fuel injector provided with the actuator according to the invention is particularly suitable for use in an installation environment containing "harmful media".
  • an environment results in particular if a fuel injector and at least one further component of a fuel injection device are arranged substantially completely within an engine block assembly of the internal combustion engine.
  • engine block assembly here refers to the entirety of the lubricating oil-containing engine components, ie the "engine block” in the strict sense and attachments (such as a cylinder head cover, etc.) in which the lubricating oil of the internal combustion engine is pumped or lubricated or (back) is performed.
  • harmful media engine oil, fuel-diluted engine oil, water, or their vapors
  • Fig. 1 shows an actuator 10 for actuating a (not shown) fuel injection valve.
  • the actuator 10 forms, together with the fuel injection valve, a fuel injector for injecting fuel into the combustion chamber of an internal combustion engine.
  • the actuator 10 comprises a sleeve-shaped metallic actuator housing 12 with a piezoelectric actuator (in short: “piezoelectric actuator”) accommodated therein, from which contact pins 14 out of an end opening of the actuator housing 12 and projecting upwards (axial direction A) through a contact tongue carrier 16 pushed onto the contact pins 14.
  • piezoelectric actuator in short: “piezoelectric actuator”
  • the contact tongue carrier 16 serves as a connecting device for the electrical continuity of the contact pins 14 of the piezoactuator with connection pins of a connector 18.
  • the connector 18 represents an external connection device, by means of which the actuator 10 or the fuel injector formed therewith with an external control line arrangement (eg cable harness in FIG a motor vehicle) can be connected to drive the piezoelectric actuator in the desired manner for the injection of fuel.
  • the housing which contains the required external pins, which extend as electrically conductive elements through a plastic molded body 20 of the contact tongue support 16 through to Mulltechnischesabroughen in the form of welding brackets 22, with which the contact pins 14 after the Placing the contact tongue carrier 16 were welded.
  • a front-side lateral surface portion of the sleeve-shaped actuator housing 12 was annularly circumferentially provided with a Kunststoffumspritzung 24 which fixes the patch contact carrier 16 in position and at the same time integrally formed the housing of the connector 18.
  • a sealing arrangement is provided for sealing the frontal opening of the actuator housing 12 against ingress of liquid media.
  • a special feature of this sealing arrangement is that this gas-permeable is formed and thus allows gas exchange between the installation environment of the fuel injector and the actuator chamber, in which the piezoelectric actuator is accommodated. This ventilation of the piezoelectric actuator is promoted by a comparatively large gas exchange recess 26 of the plastic molding 20.
  • the cover 28 has latching recesses 30, which are brought into engagement with correspondingly provided on the plastic extrusion 24 latching projections 32 for latching. By this locking the cover 28 is held on the actuator 10, wherein between the cover 28 and the top of the contact tongue carrier 16 of the mentioned cavity remains.
  • the lid 28 has three circumferentially equidistantly arranged locking recesses 30, each projecting on a projecting in the axial direction A spring tab of the integrally formed lid.
  • the material of the lid 28 forms an annular circumferential, interrupted by the spring tabs, in the axial direction A downwardly projecting collar 34 of a comparatively small wall thickness.
  • this collar 34 of the cover 28 surrounds a correspondingly formed, axially upwardly projecting collar 36 of the plastic extrusion 24.
  • the outer diameter of the collar 36 corresponds to this approximately to the inner diameter of the collar 34th
  • the cover 28 When assembling the actuator 10, the cover 28 is placed from above in the axial direction A, so that the free ends of the spring tabs on the cover 28 abut against the tops of the locking projections 32 on the plastic extrusion 24 and due to a trained as an inclined surface top of these projections 32 radially be sprung outside and finally reach under springing back into a locked state in which the radially outwardly projecting projections 32 engage with the locking recesses 30 in engagement. In this situation (not shown), the lid 28 is then held reliably on the actuator 10 and protects the underlying actuator components, in particular the contact tongue carrier 16 with its outstanding weld between the ends of the contact pins 14 and the ends of the welding lugs 22nd
  • each spring tab with the "window” 30 resiliently deforms radially outwardly and snaps over the fixed "hook” 32 of the Steckeranspritzung 24 a.
  • the realized by means of the latchable lid 28 frontal cover is advantageously compatible with the desired Gas exchange capability and is z. B. as a plastic injection molded part manufacturing technology easy to implement.
  • connection of the lid by means of a latch has no adverse effects on the already mounted on or in the actuator components (eg, the piezoelectric actuator).
  • the locking is superior, for example, a conceivable ultrasonic welding between the lid and housing arrangement in principle.
  • the contact tongue carrier 16 is still sufficiently fixed in position, since for such a fix whose encapsulation in the outer peripheral region is completely sufficient.
  • the space located above the center of the contact carrier 16 is left open and remains as an advantageous cavity on the finished actuator.
  • a sufficient gas exchange capability for this practice between this cavity and the outside of the actuator 10 (installation environment) is already ensured by the Verrastungskin described, since between the material of the lid 28 and the plastic extrusion 24 always more or less large gaps remain, although a penetration solid To prevent objects in the cavity, but not a gas exchange in the extent of interest here.
  • gas exchange capacity between the cavity under the lid 28 and the outside of the actuator 10 can be further increased by the Kunststoffumspritzung 24 and / or the cover 28 is formed with gas exchange passages become.
  • gas exchange recesses 38 on the collar 36 of the plastic extrusion 24 are provided.
  • such recesses may also be provided on the cover 28.
  • recesses are provided on the axially downwardly projecting collar 34 of the lid 28, then they can interact with corresponding recesses on the collar 36, z. B. to form "labyrinthine" passages.
  • Ventilation passages can also be provided as a column, which remain between the latching projections and latching recesses after their latching.
  • Fig. 2 shows an actuator 10a with a lid 28a, which is fastened again latching when mounting the actuator.
  • axially downwardly projecting spring tabs of the lid 28a are provided at their free ends with radially outwardly facing latching projections 32a, which reach for latching in engagement with radial latching recesses 30a of a plastic extrusion 24a.
  • the "hooks" 32a of the lid 28a elastically spring slightly inward during assembly and snap into the fixed "windows" 30a of the male connector 24a.
  • At the upper edge of the recesses 30a of the collar 24b are provided on the inside of the collar 24b insertion bevels to facilitate the snap.
  • cover rim circumferentially provided and downwardly projecting cover collar 34a in its outer diameter corresponds approximately to the inner diameter of the collar 36a on the housing assembly.
  • cover collar 34a therefore overlaps the housing collar 36a on the inside thereof.
  • the collar 36a of the plastic extrusion 24a has two gas exchange recesses 38a with a "stepped opening area".
  • the opening area is comparatively large (approximately rectangular and open at the top), whereas a smaller opening area adjoins the opening edge via a step opening into the cavity below the lid 28a.
  • the lid 28a has on its outer peripheral edge at the corresponding locations on two axially downwardly projecting panels 40a, which after Positioning of the lid, the recesses 38 a substantially overlap, but each leaving a labyrinthine gap (gas exchange path) between the approximately U-shaped peripheral edge of the recess 38 a and the panel 40 a remains.
  • the panels 40a are adapted in their shape design to the stepped peripheral surface of the recesses 38a.
  • the labyrinth-like configuration of the outer ventilation passage formed in cooperation with the diaphragms 40a reliably prevents intrusion of solid objects into the interior of the cover.
  • this design makes it possible for a liquid which has possibly penetrated into the cavity under the cover 28a, such as engine oil, to be able to flow out by itself due to gravity.
  • Fig. 3 shows an actuator 10b with a lid 28b, similar to that with reference to Fig. 2 described embodiment is provided on its outer circumference with three latching projections 32b, which cooperate with corresponding latching recesses 30b of a plastic extrusion 24b.
  • the corresponding spring tabs in this embodiment extend into the top of the lid 28b.
  • the corresponding spring tabs in this embodiment result from this design and ventilation passages on the top cover, which could possibly be supplemented by further ventilation passages of the type already described above.
  • Fig. 4 illustrates again the formation of a labyrinthine gas exchange passage by covering a stepped gas exchange opening 38c on the collar 36c of a plastic extrusion 24c with a correspondingly stepped aperture 40c of the lid 28c.
  • a relatively little projecting circumferentially collar 34c on the cover 28c is provided which does not abut radially inside or radially outside the collar 36c thereon, but engages a corresponding groove on the top of the collar 36c when the lid 28c is seated arrives.
  • Fig. 4 The measures provided for locking the lid 28c means on the one hand on the lid and on the other hand on the plastic extrusion 24c are in Fig. 4 not shown and may for example be provided as in the embodiments already described above.
  • the mounted lid has no sealing function but only provides protection against gross contamination and damage to the underlying components.
  • the lid is a Bermmstoff the underlying electrical contacts.
  • the sealing arrangement is liquid-sealing but gas-permeable and opens on the outside in a cavity which is covered by a held by means of a latching connection on the actuator cover.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne un actionneur piézo-électrique (10) destiné à actionner un injecteur de carburant. L'objectif de cette invention est de réaliser, sur ledit actionneur, un couvercle de protection simple et le plus universel possible pour des composants (14, 16) d'un ensemble de contact et/ou d'étanchéité dudit actionneur. A cet effet, l'ensemble d'étanchéité de l'actionneur (10) selon l'invention est étanche aux liquides mais perméable aux gaz et aboutit, côté extérieur, à une cavité recouverte par un couvercle (28) maintenu sur l'actionneur au moyen d'un système d'assemblage par encliquetage (30, 32).

Claims (12)

  1. Servomoteur pour l'actionnement d'une soupape d'injection de carburant, comprenant
    - un boîtier d'actionneur (12) en forme de douille avec un actionneur piézo-électrique logé dedans, duquel dépassent des broches de contact (14) d'une ouverture côté avant du boîtier d'actionneur,
    - un dispositif de liaison (16) pour la liaison électrique ultérieure des broches de contact (14) de l'actionneur piézo-électrique avec des broches de raccordement d'un dispositif de raccordement extérieur (18) réalisé par le dispositif de liaison, et
    - un dispositif d'étanchéité pour l'étanchéité de l'ouverture côté avant du boîtier d'actionneur (12) contre une pénétration de fluides liquides,
    caractérisé en ce que le dispositif d'étanchéité est conçu de façon perméable au gaz et débouche côté extérieur dans une cavité qui est recouverte par un couvercle (28) maintenu au moyen d'une liaison à encliquetage (30, 32) sur le servomoteur.
  2. Servomoteur selon la revendication 1, le couvercle (28) présentant des parties saillantes d'encliquetage (32) et/ou des évidements d'encliquetage (30), qui coopèrent pour l'encliquetage avec des évidements d'encliquetage (30) et/ou des parties saillantes d'encliquetage (32) prévues sur un surmoulage en matière synthétique (24).
  3. Servomoteur selon la revendication 2, le surmoulage en matière synthétique (24) entourant à la façon d'une bague une surface d'enveloppe côté avant du boîtier d'actionneur (12) en forme de douille et formant une collerette (36) dépassant de l'ouverture côté avant du boîtier d'actionneur dans le sens axial (A).
  4. Servomoteur selon la revendication 3, les évidements d'encliquetage (30) et/ou les parties saillantes d'encliquetage (32) correspondantes du surmoulage en matière synthétique (24) étant prévus sur la collerette (36) du surmoulage en matière synthétique.
  5. Servomoteur selon l'une quelconque des revendications précédentes, le couvercle (28) présentant sur son pourtour une collerette (34) périphérique à la façon d'une bague et dépassant dans le sens axial (A).
  6. Servomoteur selon la revendication 5, des parties saillantes d'encliquetage (32) et/ou des évidements d'encliquetage (30) étant prévus sur la collerette (34) du couvercle (28).
  7. Servomoteur selon l'une quelconque des revendications précédentes, le dispositif de liaison (16) comprenant un corps moulé en matière synthétique (20) électro-isolant, posé sur les broches de contact (14) de l'actionneur piézo-électrique qui comportent des ouvertures de passage pour le passage des broches de contact (14) et a des éléments de liaison électro-conducteurs, formés à l'intérieur, attribués chacun à l'une des ouvertures de passage, lesquels éléments s'étendent chacun depuis une zone de mise en contact (22) contiguë à l'ouverture de passage attribuée pour s'appuyer sur la broche de contact (14) traversée vers l'une des broches de raccordement dépassant du corps moulé en matière synthétique (20).
  8. Servomoteur selon la revendication 7, la cavité se raccordant directement à un côté avant, opposé à l'actionneur piézo-électrique, du corps moulé en matière synthétique (20).
  9. Sermomoteur selon la revendication 7 ou 8, le corps moulé en plastique (20) contenant au moins un passage d'échange de gaz (26).
  10. Servomoteur selon l'une quelconque des revendications précédentes, la perméabilité au gaz de l'agencement d'étanchéité étant créée par un matériau élastomère perméable au gaz.
  11. Servomoteur selon l'une quelconque des revendications précédentes, la perméabilité au gaz de l'agencement d'étanchéité étant créée par un matériau microporeux.
  12. Injecteur de carburant, comprenant un servomoteur (10) selon l'une quelconque des revendications précédentes 1 à 11.
EP06725202A 2005-03-24 2006-03-21 Actionneur destine a actionner un injecteur de carburant Expired - Fee Related EP1861615B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005013911.6A DE102005013911B4 (de) 2005-03-24 2005-03-24 Stellantrieb zur Betätigung eines Kraftstoffeinspritzventils
PCT/EP2006/060916 WO2006100242A1 (fr) 2005-03-24 2006-03-21 Actionneur destine a actionner un injecteur de carburant

Publications (2)

Publication Number Publication Date
EP1861615A1 EP1861615A1 (fr) 2007-12-05
EP1861615B1 true EP1861615B1 (fr) 2010-11-03

Family

ID=36499369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06725202A Expired - Fee Related EP1861615B1 (fr) 2005-03-24 2006-03-21 Actionneur destine a actionner un injecteur de carburant

Country Status (4)

Country Link
US (1) US7784444B2 (fr)
EP (1) EP1861615B1 (fr)
DE (2) DE102005013911B4 (fr)
WO (1) WO2006100242A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120048393A1 (en) * 2010-08-26 2012-03-01 Kevin Waters Detachable impact sprinkler head repair clip
DE102012218012A1 (de) * 2012-10-02 2014-04-03 Alfmeier Präzision AG Baugruppen und Systemlösungen Gehäuse mit zwei aus Kunststoff gefertigten Gehäuseteilen
DE102013216836A1 (de) * 2013-08-23 2015-02-26 Continental Automotive Gmbh Stellantrieb zur Betätigung eines Einspritzventils und Einspritzventil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19844743C1 (de) 1998-09-29 2000-06-08 Siemens Ag Kontaktzungenträger zur Abdichtung und Positionierung von Kontaktstiften
DE19921242C1 (de) * 1999-05-07 2000-10-26 Siemens Ag Verfahren zum Positionieren des Stellantriebs in einem Kraftstoffinjektor und Vorrichtung zur Durchführung des Verfahrens
JP3669425B2 (ja) 2000-09-28 2005-07-06 株式会社デンソー コイル装置
DE10053681B4 (de) * 2000-10-28 2004-08-26 W.L. Gore & Associates Gmbh Gehäuse mit mindestens einem EMI abschirmender Kunststoffkörper bzw. Be- und Entlüftungselement und Verfahren zur Herstellung eines solchen Kunststoffkörpers
DE10251225B4 (de) 2002-11-04 2010-04-08 Continental Automotive Gmbh Piezoaktorkontaktierung für Einspritzventil
EP1628016B1 (fr) 2004-08-20 2008-04-23 VDO Automotive AG Actionneur d'un injecteur de carburant d'un moteur à combustion interne

Also Published As

Publication number Publication date
DE502006008227D1 (de) 2010-12-16
WO2006100242A1 (fr) 2006-09-28
EP1861615A1 (fr) 2007-12-05
US20080163853A1 (en) 2008-07-10
DE102005013911B4 (de) 2019-10-02
US7784444B2 (en) 2010-08-31
DE102005013911A1 (de) 2006-09-28

Similar Documents

Publication Publication Date Title
EP1628016B1 (fr) Actionneur d'un injecteur de carburant d'un moteur à combustion interne
DE102004042352B4 (de) Kraftstoffinjektor für eine Brennkraftmaschine
DE10025997A1 (de) Piezoaktor
EP1861615B1 (fr) Actionneur destine a actionner un injecteur de carburant
EP1628015B1 (fr) Système d'étanchéité pour actionneur piezoélectrique d'injecteur de carburant
EP2788613B1 (fr) Injecteur de carburant notamment pour un moteur à combustion interne
EP2252752B1 (fr) Dispositif permettant de réaliser une connexion électrique sèche d'une serrure de véhicule automobile
DE102008040114B4 (de) Anlasserralais und Andrehvorrichtung mit Anlasserrelais
EP2038541B1 (fr) Dispositif d'étanchéité d'un actionneur piézoélectrique pour une soupape d'injection de carburant d'un moteur à combustion interne
DE102005034689A1 (de) Abdichtungsanordnung eines Piezoaktors in einem Kraftstoffinjektor
DE102004042353B4 (de) Abdichtungsanordnung eines Piezoaktors für ein Kraftstoffeinspritzventil einer Brennkraftmaschine
WO2006018399A1 (fr) Servo-moteur pour un injecteur de carburant d'un moteur a combustion interne et utilisation de ce servo-moteur
DE102005017808B4 (de) Stellantrieb zur Betätigung eines Kraftstoffeinspritzventils, umfassend einen Deckel zur Abdeckung einer Kontaktierungs-und/oder Abdichtungsanordnung
DE102004040072B4 (de) Abdichtungsanordnung eines Piezoaktors und Verfahren zur Abdichtung eines Piezoaktors
EP2636082B1 (fr) Procédé de production d'une unité actionneur avec douille destinée à recevoir un actionneur piézoélectrique
EP2636081B1 (fr) Unité actionneur et son procédé de production
DE102005001005B4 (de) Stellantrieb zur Betätigung eines Kraftstoffeinspritzventils
DE102004063293B4 (de) Kraftstoffinjektor für eine Brennkraftmaschine
EP3076001B1 (fr) Injecteur de carburant
DE102018208318A1 (de) Kraftstoffinjektor
WO2012084313A1 (fr) Bobine d'allumage dotée d'un dispositif de montage
EP3692249B1 (fr) Réservoir de liquide pour véhicule automobile
DE102005015611A1 (de) Stellantrieb zur Betätigung eines Kraftstoffeinspritzventils
DE102017204692A1 (de) Kraftstoffinjektor
DE102004059104B4 (de) Abdichtungsanordnung eines Piezoaktors für einen Kraftstoffinjektor sowie Verfahren zur Montage eines Kraftstoffinjektors

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: 20070720

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: VDO AUTOMOTIVE AG

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE FR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CONTINENTAL AUTOMOTIVE GMBH

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAC Information related to communication of intention to grant a patent modified

Free format text: ORIGINAL CODE: EPIDOSCIGR1

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

REF Corresponds to:

Ref document number: 502006008227

Country of ref document: DE

Date of ref document: 20101216

Kind code of ref document: P

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: 20110804

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502006008227

Country of ref document: DE

Effective date: 20110804

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

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

Ref country code: FR

Payment date: 20180323

Year of fee payment: 13

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

Ref country code: DE

Payment date: 20180331

Year of fee payment: 13

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502006008227

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: 20191001

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: 20190331