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EP1030968B1 - Injecteur de carburant - Google Patents

Injecteur de carburant Download PDF

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Publication number
EP1030968B1
EP1030968B1 EP99957083A EP99957083A EP1030968B1 EP 1030968 B1 EP1030968 B1 EP 1030968B1 EP 99957083 A EP99957083 A EP 99957083A EP 99957083 A EP99957083 A EP 99957083A EP 1030968 B1 EP1030968 B1 EP 1030968B1
Authority
EP
European Patent Office
Prior art keywords
connection
fuel injection
valve
injection valve
connection part
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
EP99957083A
Other languages
German (de)
English (en)
Other versions
EP1030968A1 (fr
Inventor
Udo Hafner
Klaus Noller
Heinz Fuchs
Albert Staacke
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 EP1030968A1 publication Critical patent/EP1030968A1/fr
Application granted granted Critical
Publication of EP1030968B1 publication Critical patent/EP1030968B1/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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
    • F02M51/0682—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the body being hollow and its interior communicating with the fuel flow
    • 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
    • F02M51/061—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0667—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature acting as a valve or having a short valve body attached thereto
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • F02M61/145—Arrangements of injectors with respect to engines; Mounting of injectors the injection nozzle opening into the air intake conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/90—Electromagnetically actuated fuel injector having ball and seat type valve

Definitions

  • the invention is based on a fuel injector according to the genus of the main claim.
  • the fuel injector according to the invention with the characterizing features of claim 1 has the advantage that it can be manufactured inexpensively in a simple manner and can be installed safely and reliably. Besides, will according to the invention a particularly compact design for a Fuel injector realized. It is also an advantage that great mechanical stability of the Fuel injector is reached. In addition is ensures that electrical connectors within of the valve is safe and protected.
  • the separation into two modules results in Advantage that all negative influences when manufacturing the largely made of plastic connector (large Overmolding pressures, heat development) of which the important ones Components of the functional part that perform valve functions be kept away.
  • the relatively dirty one Overmolding process can advantageously outside the assembly line of the functional part.
  • valve type offers itself directly to be installed on the cylinder head and thus e.g. as Injector for direct injection of a fuel to be used in a combustion chamber.
  • FIG. 1 shows a first Fuel injector according to the invention as a so-called Side feed injector with two independently pre-assembled modules in the assembled state
  • Figure 2 a the connecting part of the valve constituting the first assembly according to Figure 1, wherein the section through the connecting part 90 ° rotated with respect to Figure 1
  • Figure 3 a the functional part of the valve representing the second assembly 1
  • FIG. 4 the injection valve according to FIG. 1 mounted in a receptacle of an intake manifold Internal combustion engine
  • Figure 5 shows a first embodiment an attachment of a fuel injector to one 6, a top view of that in FIG.
  • Figure 7 shows a second Embodiment of attachment of a Fuel injector on a receptacle
  • Figure 8 a side view of the partially shown in Figure 7 Valve
  • Figure 9 shows a third embodiment of a Attachment of a fuel injector to one Receptacle
  • Figure 10 is a side view of the in Figure 9 valve partially shown.
  • FIG. 1 shown electromagnetically actuated according to the invention
  • Valve in the form of a side feed injector for Fuel injection systems from mixture-compressing, spark-ignited internal combustion engines has one of one Magnetic coil 1 surrounded, as an inner pole and partially as Fuel flow serving largely tubular Core 2.
  • the magnetic coil 1 is from an outer, sleeve-shaped and stepped, z. B. surrounded ferromagnetic valve jacket 5 as the outer pole, the completely surrounds the magnetic coil 1 in the circumferential direction.
  • the Form solenoid 1, the inner pole 2 and the outer pole 5 together an electrically excitable actuator.
  • the actuating element can also be used as a piezo actuator be executed.
  • the core 2 is in an inner, concentric to a longitudinal valve axis 10 extending opening 11 of the valve sleeve 6 introduced.
  • the e.g. ferritic valve sleeve 6 is elongated and thin-walled and has a jacket section 12 and a bottom portion 13, the shell portion 12 in Circumferential direction and the bottom portion 13 in the axial Direction at its downstream end the opening 11 limit.
  • the opening 11 also serves as a guide opening for one axially movable along the valve longitudinal axis 10 Valve needle 14.
  • valve seat body 15 which e.g. sits on the bottom portion 13 of the valve sleeve 6 and has a fixed valve seat surface 16 as a valve seat.
  • the Valve needle 14 is, for example, of a tubular Anchor section 17, also tubular Needle section 18 and a spherical Valve closing body 19 is formed, the Valve closing body 19 e.g. by means of a weld seam is connected to the needle section 18.
  • a flat spray plate 21 is arranged, the fixed Connection of valve seat body 15 and spray orifice plate 21 z. B.
  • the injection valve is actuated in a known manner Way, here for example electromagnetic.
  • a Actuation by means of a piezo actuator is also conceivable. to axial movement of the valve needle 14 and thus for opening against the spring force of one on the valve needle 14 attacking return spring 25 or closing the Injector serves the electromagnetic circuit with the Solenoid 1, the inner core 2, the outer valve jacket 5 and the anchor section 17.
  • the anchor section 17 is with the end facing away from the valve closing body 19 onto the core 2 aligned.
  • the spherical valve closing body 19 interacts with the tapered in the direction of flow Valve seat surface 16 of the valve seat body 15 together, the in the axial direction downstream of a guide opening in Valve seat body 15 is formed.
  • the spray hole disc 21 has at least one, for example four through EDM, laser drilling or stamping molded Spray orifices 27.
  • the insertion depth of the core 2 in the injection valve is below other decisive for the stroke of the valve needle 14 the one end position of the valve needle 14 is not at excited solenoid 1 by the system of Valve closing body 19 on the valve seat surface 16 of the Valve seat body 15 set while the other End position of the valve needle 14 when the solenoid coil 1 is excited by the installation of the anchor section 17 on the downstream Core end results.
  • the stroke is set by a axial displacement of the core 2, which corresponds to the desired position subsequently firmly with the valve sleeve 6 is connected.
  • Flow bore 28 of the core 2 which is the supply of the Serves fuel in the direction of the valve seat surface 16 is in addition to the return spring 25, an adjusting element in the form an adjusting spring 29 inserted.
  • the adjusting spring 29 is used to adjust the spring preload on the Adjustment spring 29 adjacent return spring 25, which itself again with its opposite side on the Valve needle 14 supports, with an adjustment of the dynamic spray quantity with the setting spring 29.
  • the adjusting element can also be used instead of an adjusting spring be designed as adjusting bolts, adjusting sleeves etc.
  • the injection valve described so far stands out through its particularly compact structure, so that a very small, handy injection valve is created.
  • These components form a pre-assembled standalone assembly that hereinafter called functional part 30 and in Figure 3 as such assembly is shown separately again.
  • the Functional part 30 essentially comprises the electromagnetic circuit 1, 2, 5 and a sealing valve (Valve closing body 19, valve seat body 15) with a following jet processing element (spray orifice plate 21).
  • valve jacket 5 and the valve sleeve 6 formed and almost completely by the magnetic coil 1 filled coil space is in the valve seat body 15 facing direction through a stepped radial region 32 of the valve jacket 5 limited, while the conclusion on the the side facing away from the valve seat body 15 by a disc-shaped cover element 33 is guaranteed.
  • this is from the Extends through coil body 3.
  • Stand in this area for example two contact pins or sockets 34 from the Plastic of the bobbin 3 and thus from the Functional part 30 out. Via the electrical contact pins or sockets 34 that act as electrical connectors serve, the electrical contacting takes place Magnetic coil 1 and thus its excitation.
  • a second is completely independent of the functional part 30 Manufactured assembly, the following as a connector 40th referred to as.
  • the independent and pre-assembled Connection part 40 is mounted in Figure 1 with the Functional part 30 as part of the entire injection valve and shown separately in Figure 2, the Section through the connecting part 40 rotated by 90 ° opposite Figure 1 is performed.
  • the connector 40 stands out all things in that it is electrical and hydraulic connection of the fuel injector includes.
  • the largely designed as a plastic part Connector 40 has a fuel flow serving base body 42 runs in the base body 42 A flow bore concentric to the longitudinal axis 10 of the valve 43 by at least one, for example four across Flow bore 43 extending radial bores 44 is fed upstream.
  • the radial bores 44 begin on the outer circumference of the base body 42, which is why this Fuel supply and flow control from one Side feed supply can be spoken about.
  • a hydraulic connection of connector 40 and Functional part 30 is in the fully assembled Fuel injector achieved in that the Flow bores 43 and 28 of the two assemblies to one another brought that an unimpeded flow through the Fuel is guaranteed.
  • An inner opening 46 in Cover element 33 allows the valve sleeve 6 and thus also form the core 2 so that both the opening 46 protrude and at least the valve sleeve 6 towards Connection part 40 clearly above the cover element 33 also available.
  • When mounting the connector 40 on the Functional part 30 can have a lower end region 47 of the Base body 42 in the protruding part of the valve sleeve 6 to increase the connection stability in the opening 11 of the Extend valve sleeve 6.
  • the end region 47 of the connecting part 40 is, for example stepped, the base body 42 on a lower end face 58 strong from the outside diameter rejuvenated.
  • an annular groove 50 introduced in which a sealing element, e.g. an O-shaped Sealing ring 51 is arranged.
  • a sealing element e.g. an O-shaped Sealing ring 51 is arranged.
  • Base body 42 also a co-molded electrical Connector 56, which is on the functional part 30th opposite side of the radial bores 44 immediately followed.
  • electrical contact elements provided during the Plastic injection molding process of the connector 40 are encapsulated and subsequently in the plastic are embedded. These electrical contact elements end at one end as exposed contact pins 57 of the electrical connector 56, the one corresponding electrical connection element, not shown, such as B. a contact bar for complete electrical contacting of the injector connected can be.
  • the connector 56 opposite end of the contact elements extend up to the lower end face 58 of the connecting part 40 and form there is an electrical connector 59, the z. B. as exposed contact pins is also executed.
  • the connector 40 is so shaped that the electrical connector 56 further from functional part 30 is located as the fuel entry area into the Injection valve on the radial bores 44 particularly slim and compact valve that inside a receptacle 65 very easily with the side Fuel can be supplied ( Figure 4).
  • the Connector 56 is for example opposite the Longitudinal valve axis 10 executed kinked.
  • FIGS 2 and 3 show the two independent and Functional parts 30 and Connection part 40 before the final assembly of the Fuel injector.
  • FIG. 4 shows an installation variant for an inventive one Fuel injector according to Figures 1 to 3 in one Receptacle 65 of a suction pipe 66 one Internal combustion engine shown. Protrudes in an advantageous manner the injection-side end of the fuel injector in the interior of the intake manifold 66, so that very targeted be sprayed onto an inlet valve, not shown can, without causing greater wall wetting in the intake manifold 66 comes.
  • a transverse supply channel 67 molded with which the supply of one or more Fuel injectors with fuel takes place.
  • FIG. 5 to 10 are three exemplary embodiments for Fastenings or axial fixings and anti-rotation devices a fuel injector on a receiving port 65 shown.
  • a first variant sees before that the attachment of the fuel injector on Receptacle 65 by means of a clamp member 75, the e.g. is disc-shaped with two fixing claws 76, he follows.
  • To engage the clamp member 75 is on outer circumference of the receptacle 65 e.g. a groove 77 trained, which is interrupted in two places, so that Openings 78 are present through which the arched Fixing claws 76 can grip.
  • the connector 40 is located with a shoulder 79 standing outward in a ring an upper end ( Figure 4) or a shoulder 80 of the wall ( Figure 5) of the receptacle 65.
  • FIG. 9 and 10 is a mounting variant shown, which is characterized in that on the outer circumference of the receptacle 65, for example, two to the outside standing fixing lugs 87 are formed.
  • Receiving openings 88 are provided, into which the fixing lugs 87 snap in, creating an anti-rotation and an axial Fixation of the position of the fuel injector is achieved.
  • the receiving openings 88 are in two from the shoulder 79 outgoing fastening tabs 90 of the connecting part 40 introduced, which is located on the outer circumference of the receptacle 65 extend axially along.

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

Claims (12)

  1. Soupape d'injection de carburant pour systèmes d'injection de carburant de moteurs à combustion interne, avec un élément. d'actionnement excitable (1, 2, 5), avec un corps de fermeure de soupape (19) mobile qui coopère avec un siège de soupape (16) associé à un corps de siège de soupape (15), avec une connexion électrique (56, 57) et un raccordement hydraulique (43, 44), avec une partie fonctionnelle pré-montée (30) et une partie de raccordement pré-montée (40), la partie fonctionnelle (30) englobant essentiellement l'élément d'actionnement (1, 2, 5), une soupape d'étanchéité composée du corps de siège de soupape (15) et du corps de fermeture de soupape (19), des premiers éléments de liaison électriques (34) et des premiers éléments de liaison hydrauliques (28), tandis que la partie de raccordement (40) possède la connexion électrique (56, 57), le raccordement hydraulique (43, 44), des deuxièmes éléments de liaison électriques (59) et des deuxièmes éléments de liaison hydrauliques (43), la partie de raccordement (40) étant largement en matière plastique, et la partie fonctionnelle (30) et la partie de raccordement (40) constituent des sous-groupes autonomes raccordés fermement l'un à l'autre, la coopération des premiers et deuxièmes éléments de liaison électriques (34, 59) et des premiers et deuxièmes éléments de liaison hydrauliques (28, 43) garantissant une liaison électrique et hydraulique fiable des deux sous-groupes (30, 40),
    caractérisée en ce que
    le corps en matière plastique de la partie de raccordement (40) constitue un corps de base (42) avec au moins un alésage radial (44) et un alésage d'écoulement (43) qui s'y raccorde, avec sur le côté opposé à la partie fonctionnelle (30) de l'alésage radial (44) au moins unique, un connecteur électrique (56) formé sur le corps de base (42), de sorte que la connexion électrique (56, 57) est plus éloignée de la partie fonctionnelle (30) que le raccordement hydraulique (43, 44).
  2. Soupape d'injection de carburant selon la revendication 1,
    caractérisée en ce que
    le connecteur électrique (56) est constitué en formant un angle par rapport à un axe longitudinal de soupape (10).
  3. Soupape d'injection de carburant selon l'une des revendications précédentes,
    caractérisée en ce que
    la partie fonctionnelle (30) et la partie de raccordement (40) sont raccordées fermement entre elles par un enrobage (60) en matière plastique dans leur zone de raccordement.
  4. Soupape d'Injection de carburant selon l'une des revendications précédentes,
    caractérisée en ce que
    la partie fonctionnelle (30) a une douille de soupape (6) à paroi mince dans l'ouverture intérieure (11) de laquelle le corps de siège de soupape (15), l'aiguille de soupape (14) et un noyau (2) sont mis en place en tant que pôle interne, et qui est entourée d'une bobine magnétique (1), la bobine magnétique (1) étant, au moins partiellement, entourée d'une enveloppe de soupape (5) en tant que pôle extérieur.
  5. Soupape d'injection de carburant selon la revendication 4,
    caractérisée en ce que
    la douille de soupape (6) de la partie fonctionnelle (30) est réalisée de sorte que, lorsque la soupape d'injection de carburant est montée, elle enveloppe une zone d'extrémité (47), pénétrant dans l'ouverture (11), de la partie de raccordement (40).
  6. Soupape d'injection de carburant selon la revendication 5,
    caractérisée en ce qu'
    au niveau de la zone d'extrémité (47) de la partie de raccordement (40), une bague d'étanchéité (51) est disposée.
  7. Soupape d'injection de carburant selon l'une des revendications précédentes,
    caractérisée en ce que
    les deuxièmes éléments de liaison électriques (59) de la partie de raccordement (40) sont réalisés semblables à des connecteurs et/ou des prises, et les premiers éléments de liaison électriques (34) de la partie fonctionnelle (30) sont réalisés semblables à des connecteurs et/ou des prises.
  8. Soupape d'injection de carburant selon l'une des revendications précédentes,
    caractérisée en ce que
    la partie de raccordement (40) présente un épaulement (79), dépassant vers l'extérieur de façon radiale, et placé sur un gradin (80) d'une tubulure de réception (65).
  9. Soupape d'injection de carburant selon l'une des revendications précédentes,
    caractérisée en ce que
    sur la partie de raccordement (40), au moins un élément de fixation (82, 88, 90) coopère avec un élément de fixation (83, 85, 87) correspondant d'une tubulure de réception (65) servant à recevoir la soupape d'injection de carburant.
  10. Soupape d'injection de carburant selon la revendication 9,
    caractérisée en ce que
    l'élément de fixation au niveau de la partie de raccordement (40) est réalisé sous la forme d'un bec de fixation (82),
  11. Soupape d'injection de carburant selon la revendication 9,
    caractérisée en ce que
    l'élément de fixation sur la partie de raccordement (40) est réalisé sous la forme d'une ouverture de réception (88).
  12. Soupape d'injection de carburant selon l'une des revendications 1 à 8,
    caractérisée en ce qu'
    un élément d'agrafe (75) agit au niveau de la partie de raccordement (40) pour assurer la fixation.
EP99957083A 1998-06-18 1999-04-12 Injecteur de carburant Expired - Lifetime EP1030968B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19827136A DE19827136A1 (de) 1998-06-18 1998-06-18 Brennstoffeinspritzventil
DE19827136 1998-06-18
PCT/DE1999/001075 WO1999066195A1 (fr) 1998-06-18 1999-04-12 Injecteur de carburant

Publications (2)

Publication Number Publication Date
EP1030968A1 EP1030968A1 (fr) 2000-08-30
EP1030968B1 true EP1030968B1 (fr) 2003-11-05

Family

ID=7871260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99957083A Expired - Lifetime EP1030968B1 (fr) 1998-06-18 1999-04-12 Injecteur de carburant

Country Status (6)

Country Link
US (1) US6257509B1 (fr)
EP (1) EP1030968B1 (fr)
JP (1) JP4335450B2 (fr)
KR (1) KR20010022931A (fr)
DE (2) DE19827136A1 (fr)
WO (1) WO1999066195A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19900405A1 (de) * 1999-01-08 2000-07-13 Bosch Gmbh Robert Verfahren zur Montage einer Ventilbaugruppe eines Brennstoffeinspritzventils
US6302340B1 (en) * 1999-05-14 2001-10-16 Siemans Automotive Corporation Post electrical plug assembly
JP4082929B2 (ja) * 2002-05-21 2008-04-30 株式会社日立製作所 燃料噴射弁
US6644568B1 (en) 2002-10-24 2003-11-11 Visteon Global Technologies, Inc. Fuel injector with spiral-wound spring adjustment tube
DE10310789A1 (de) * 2003-03-12 2004-09-23 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102004047041B4 (de) * 2004-09-28 2017-06-14 Robert Bosch Gmbh Brennstoffeinspritzventil
US20060249604A1 (en) * 2005-04-21 2006-11-09 Von Bacho Paul S Iii Fuel injector seat and director plate assembly
US20090084358A1 (en) * 2007-09-28 2009-04-02 Millennium Industries Fuel injector mounting scheme
US8683982B2 (en) * 2010-08-10 2014-04-01 Great Plains Diesel Technologies, L.C. Programmable diesel fuel injector
DE102011087687B4 (de) * 2011-12-05 2021-04-15 Schaeffler Technologies AG & Co. KG Befestigungseinrichtung für ein Bauteil an einem Gehäuseblock mittels Bajonett
DE102012209421A1 (de) * 2012-06-04 2013-12-05 Robert Bosch Gmbh Vorrichtung zum Zumessen von Kraftstoff
US12049858B1 (en) 2023-03-02 2024-07-30 Caterpillar Inc. Fuel system having fuel injector boot assembly configured with grasping protrusion

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2342109C2 (de) * 1973-08-21 1983-10-27 Robert Bosch Gmbh, 7000 Stuttgart Elektromechanisch gesteuertes Kraftstoffeinspritzventil für Brennkraftmaschinen
DE3439672A1 (de) 1984-10-30 1986-04-30 Pierburg Gmbh & Co Kg, 4040 Neuss Elektromagnetisch getaktetes einspritzventil fuer gemischverdichtende brennkraftmaschinen
FR2635827B1 (fr) * 1988-08-30 1993-11-26 Solex Dispositif d'injection de combustible a chambre d'aeration
DE3834444A1 (de) 1988-10-10 1990-04-12 Mesenich Gerhard Elektromagnetisches einspritzventil mit membranfeder
US4946107A (en) * 1988-11-29 1990-08-07 Pacer Industries, Inc. Electromagnetic fuel injection valve
DE4003228A1 (de) * 1990-02-03 1991-08-22 Bosch Gmbh Robert Elektromagnetisch betaetigbares ventil
US4959027A (en) 1990-02-20 1990-09-25 Itt Corporation Fuel injector adaptor
JP2516185Y2 (ja) * 1990-03-15 1996-11-06 トヨタ自動車株式会社 内燃機関の燃料噴射装置
US5758826A (en) * 1996-03-29 1998-06-02 Siemens Automotive Corporation Fuel injector with internal heater
DE19631280A1 (de) * 1996-08-02 1998-02-05 Bosch Gmbh Robert Brennstoffeinspritzventil und Verfahren zur Herstellung
DE19712591A1 (de) 1997-03-26 1998-10-01 Bosch Gmbh Robert Brennstoffeinspritzventil und Verfahren zur Herstellung sowie Verwendung eines Brennstoffeinspritzventils

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DE19827136A1 (de) 1999-12-23
WO1999066195A1 (fr) 1999-12-23
US6257509B1 (en) 2001-07-10
JP4335450B2 (ja) 2009-09-30
KR20010022931A (ko) 2001-03-26
JP2002518631A (ja) 2002-06-25
EP1030968A1 (fr) 2000-08-30
DE59907621D1 (de) 2003-12-11

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