EP0937201B1 - Soupape a commande electromagnetique - Google Patents

Soupape a commande electromagnetique Download PDF

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Publication number
EP0937201B1
EP0937201B1 EP98945005A EP98945005A EP0937201B1 EP 0937201 B1 EP0937201 B1 EP 0937201B1 EP 98945005 A EP98945005 A EP 98945005A EP 98945005 A EP98945005 A EP 98945005A EP 0937201 B1 EP0937201 B1 EP 0937201B1
Authority
EP
European Patent Office
Prior art keywords
valve
connecting part
slot
valve according
closing body
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
EP98945005A
Other languages
German (de)
English (en)
Other versions
EP0937201A1 (fr
Inventor
Ferdinand Reiter
Dieter Maier
Ferdinand HÜMMER
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 EP0937201A1 publication Critical patent/EP0937201A1/fr
Application granted granted Critical
Publication of EP0937201B1 publication Critical patent/EP0937201B1/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
    • 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

Definitions

  • the invention is based on an electromagnetic actuatable valve according to the preamble of the main claim.
  • Out DE-PS 38 31 196 is already an electromagnetic actuatable valve known, the one in a Through hole of a valve seat carrier axially movable Has valve needle.
  • the valve needle is from one cylindrical armature, a spherical valve closing body and a pipe or pipe connecting both components sleeve-shaped connecting part formed.
  • the connecting part is made from a flat sheet of metal that subsequently rolled or bent until there is a cylindrical, sleeve-like shape. In this form the connecting part has one over its entire length axial length extending slot on either run parallel to the axis or at an angle to the longitudinal axis of the valve can.
  • From DE-OS 40 08 675 is already an electromagnetic actuated valve known in which the valve closing body is attached to the connecting part with a weld seam, the weld seam at least in the area of Longitudinal slot or additionally in other places in Circumferential direction is interrupted.
  • the electromagnetically actuated valve according to the invention with the characteristic features of the main claim has the Advantage that it is particularly simple is inexpensive to manufacture.
  • the advantage is there a connecting part with relatively large tolerances. at it has low weight and great stability Connection part a large-area hydraulic Flow cross section.
  • connection part a large-area hydraulic Flow cross section.
  • the connecting part below is resilient Tension can be inserted into the inner opening of the anchor, see above that disadvantageous chip formation during anchor assembly is avoided.
  • the valve closing body on end of the connecting part facing away from the anchor is very simple and be securely attached as the slit is a clear one has a reduced opening width.
  • connection part from one Manufacture sheet metal by largely cutting sheet metal sections rectangular shape first punched out and then rolled or be bent.
  • the slot of the connecting part will formed by the fact that the elongated End faces of the sheet metal section with a small distance in each case face each other.
  • Valve closing body for example spherical is formed on the with a slot taper trained end of the connecting part by a 360 ° completely circumferential weld seam achievable, which is a very possesses high dynamic strength.
  • the notch advantageously has a Teardrop shape, being directly on the lower face of the connecting part has a very small opening width is present.
  • Sink marks of The weld seam on the notch would not be critical, however the dynamic load is much lower than the above the entire axial length of the connecting part Slot.
  • FIG. 1 shows it partially shown electromagnetically actuated Valve
  • Figure 2 shows a sheet metal section for forming a Connecting part of an axially movable valve needle
  • Figure 3 shows a connecting part as a single component.
  • FIG. 1 is an embodiment Electromagnetically actuated valve in the form of a Injector for fuel injection systems from mixture-compression-ignition internal combustion engines partially shown.
  • the valve has a tubular one Valve seat support 1, in the concentric to one Longitudinal valve axis 2, a longitudinal bore 3 is formed.
  • a longitudinal bore 3 is formed in the longitudinal bore 3 in the longitudinal bore 3 in the longitudinal bore 3 in the longitudinal bore 3 in the longitudinal bore 3 axially movable valve needle 6 arranged.
  • the valve is actuated electromagnetically in known way.
  • Die Valve needle 6 is removed from armature 12, for example one spherical valve closing body 13 and one of the two Connecting parts 14 connecting parts formed, wherein the connecting part 14 has a tubular shape.
  • the return spring 8 is supported with its lower end the upper end face of the connecting part 14.
  • the anchor 12 is with the end facing away from the valve closing body 13 of the connecting part 14 connected by a weld 15 and aligned with the core 11.
  • Valve closing body 13 with the end facing away from the armature 12 the connecting part 14 e.g. with a weld 16 tight connected.
  • the magnetic coil 10 surrounds the core 11, which end of the magnet coil 10 not enclosing one fuel inlet connector, the the Supply of the medium to be measured by means of the valve, here Fuel, serves, represents.
  • valve seat carrier 1 With the lower end of the core 11 and with the Valve seat carrier 1 is concentric with the valve longitudinal axis 2 tightly a tubular, metallic intermediate part 19 connected for example by welding.
  • Valve longitudinal axis 2 In the downstream end of the core 11 facing away from the core Valve seat support 1 is concentric with Valve longitudinal axis 2 extending longitudinal bore 3 cylindrical valve seat body 25 tight by welding assembled.
  • the valve seat body 25 has the core 11 facing a fixed valve seat 26.
  • the solenoid 10 is of at least one, for example trained as a bracket, as a ferromagnetic element serving guide element 30 in the circumferential direction at least partially surrounded, the one end of the core 11th and with its other end on the valve seat support 1 is applied and with these e.g. by welding, soldering or one Adhesive connection is connected.
  • valve seat body 25 To guide the valve closing body 13 during the Axial movement serves a guide opening 31 of the Valve seat body 25. At its one, the Valve closing body 13 facing away from the lower end face 32 the valve seat body 25 with a e.g. cup-shaped trained spray plate 34 concentric and firm connected.
  • the connection of valve seat body 25 and Spray plate 34 is carried out, for example, by a circumferential and dense, e.g. using a laser trained weld 45. This type of assembly is the risk of undesired deformation of the Spray plate 34 in the area of its at least one, for example four by eroding or punching molded spray openings 46 avoided.
  • the insertion depth of the valve seat body 25 and Spray plate 34 existing valve seat part in the Longitudinal bore 3 determines i.a. the adjustment of the stroke of the Valve needle 6, since the one end position of the valve needle 6 at non-excited solenoid 10 by the system of Valve closing body 13 on the surface of the valve seat 26 of the valve seat body 25 is fixed.
  • the other The end position of the valve needle 6 is when the solenoid is excited 10 for example by creating an upper end face 22 of the armature 12 on a lower end face 35 of the core 11 established.
  • the path between these two end positions Valve needle 6 represents the stroke.
  • the spherical valve closing body 13 interacts with the surface tapering in the direction of the flow of the valve seat 26 of the valve seat body 25 together, the downstream of the guide opening 31 of the valve seat body 25 is trained.
  • the guide opening 31 has at least a flow passage 27 on a flow of the Medium in the direction of the valve seat 26 of the valve seat body 25 allows.
  • flow passages in the form of grooves or flattening may be provided.
  • FIG. 3 shows the connecting part 14 according to the invention the valve needle 6 again as a single component before Achieve the firm connections with the anchor 12 and the Valve closing body 13 shown, while FIG. 2 shows a sheet metal section 50 from which the connecting part 14 can be produced.
  • the connecting part 14 is, for example, a chamfer 48 shaped like a ring.
  • a chamfer 48 shaped like a ring.
  • the core 11 enters one inner longitudinal opening 52 inflowing fuel to the outside in the longitudinal bore 3 of the valve seat carrier 1.
  • the fuel reaches Valve seat 26 and to those provided downstream Spray openings 46 through which the fuel in a Intake pipe or a cylinder of an internal combustion engine is hosed.
  • the slot 51 represents a large area hydraulic flow cross section through which the Fuel very quickly from the inner longitudinal opening 52 in the longitudinal bore 3 can reach.
  • the thin-walled Connecting part 14 ensures the lowest weight greatest stability.
  • the connecting part 14th optionally provided with a plurality of flow openings 55 which penetrate the wall of the connecting part 14.
  • the for example circular and already punched in the flow openings 55 introduced into the sheet metal section 50 are exemplary only in the sheet metal section 50 of Figures 2 and shown on the connecting part 14 in Figure 3.
  • the e.g. twelve Flow openings 55 are alternating Rows of two and three are arranged in the sheet metal section 50. Changes in number and location of Flow openings 55 can be easily implemented.
  • connection part 14 is produced in such a way that from a flat, the thickness of the tube wall of the Connecting part 14 having sheet metal sections 50, as one is shown in Figure 2, with largely rectangular shape made for example by stamping become.
  • the sheet metal sections 50 have a longer and one shorter extension, the longer extension of the Length of the connecting part 14 to be produced in axial Direction and the shorter extension approximately the circumference of the to be produced connecting part 14 correspond.
  • each sheet metal section 50 After punching out the sheet metal sections 50 with the top Contour is described under each sheet metal section Using a mandrel in the shape of the desired one Connecting part 14 rolled or bent. Thereby form the each elongated end faces of the connecting part 14 forming sheet metal section 50, the slot 51 by face each other at a short distance. While the Width of the slot 51 in the circumferential direction over the largest Part of its longitudinal extent, for example, about 0.5 mm amounts to 57 in the area of the widenings Slot area 58 with a reduction in the width of the Slot to approx. 0.1 mm.
  • Notch 59 is provided which e.g. is arranged so that the slot at the periphery of the rolled connecting part 14 51 is exactly opposite.
  • the drop-shaped, for example trained notch 59 has on the lower end face 60 only a small opening width, which, however, from the Face 60 is wider, wider, or bulbous is executed. From the contour shown in Figure 2 deviating contours (piston-shaped, balloon-shaped, vice versa U-shaped) of the notch 59 are also conceivable.
  • the manufacture of the connecting part 14 from one Sheet metal section 50 is a particularly light and simple Production method, which means the use of different Materials and which enables series production in large quantities allowed.
  • the connecting part 14 resilient so that for the inner opening of the armature 12th and the connecting part 14 itself relatively coarse tolerances can be chosen. Due to the resilient Resilience is the connector 14 under tension in the inner opening of the armature 12 can be inserted.
  • Connecting part 14 is the weld 16 with a very high dynamic strength achievable.
  • the weld seam 16 between connecting part 14 and valve closing body 13 e.g. with the help of a so-called continuous wave laser manufactured.
  • the valve needle 6 under the continuous laser beam rotated and continuous welded.
  • the dynamic load in the area of Notch 59 is also far less than in one over the entire length of the connecting part 14 extending slot, so that a possibly occurring minimal interruption of the weld 16 at the notch 59 would be uncritical.

Claims (8)

  1. Soupape à commande électromagnétique, notamment injecteur de carburant pour une installation d'injection de carburant d'un moteur à combustion interne, à allumage commandé et compression de mélange, ayant un axe longitudinal (2), un noyau (11) entouré au moins partiellement par une bobine électromagnétique (10), un induit (12), un organe d'obturation de soupape (13) coopérant avec un siège de soupape (26), une pièce de liaison (14), tubulaire, reliant l'induit (12) à l'organe d'obturation de soupape (13),
    la pièce de liaison (14) étant munie d'une fente (51) traversant la paroi et s'étendant sur toute la longueur axiale de la pièce de liaison (14),
    caractérisée en ce que
    la fente (51) présente à l'extrémité (56) tournée vers l'organe d'obturation de soupape (13), une zone fendue (58) ayant une largeur d'ouverture plus faible que le restant de la fente suivant la direction axiale.
  2. Soupape à commande électromagnétique selon la revendication 1,
    caractérisée en ce que
    la pièce de liaison (14) est réalisée dans un morceau de tôle.
  3. Soupape à commande électromagnétique selon la revendication 1 ou 2,
    caractérisée en ce que
    le degré d'ouverture de la fente (51), à l'extrémité (56), ne représente qu'environ 20% de la largeur d'ouverture dans sa partie restante.
  4. Soupape à commande électromagnétique selon l'une des revendications précédentes,
    caractérisée en ce que
    la paroi de la pièce de liaison (14) comporte au moins un orifice d'écoulement (55) qui la traverse.
  5. Soupape à commande électromagnétique notamment à injecteur de carburant pour une installation d'injection de carburant d'un moteur à combustion interne selon la revendication 1,
    caractérisée en ce que
    l'extrémité (56) de la pièce de la pièce de liaison (14) présente exactement en regard de la fente (51), dans sa périphérie, une encoche (59) ouverte en direction de la face frontale inférieure (60).
  6. Soupape à commande électromagnétique selon la revendication 5,
    caractérisée en ce que
    l'encoche (59) est en forme de goutte dont l'ouverture diminue vers la face frontale inférieure (60).
  7. Soupape à commande électromagnétique selon la revendication 2,
    caractérisée en ce que
    la pièce de liaison (14) est réalisée par matriçage puis roulage ou cintrage.
  8. Soupape à commande électromagnétique selon la revendication 7,
    caractérisée en ce qu'
    un segment de tôle (50) matricé dans une pièce de tôle pour la fabrication de la pièce de liaison (14) présente une forme globalement rectangulaire et une extrémité (56) du segment de tôle (50) présente des extensions (57) qui dépassent légèrement des grands côtés.
EP98945005A 1997-09-11 1998-07-17 Soupape a commande electromagnetique Expired - Lifetime EP0937201B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19739850A DE19739850A1 (de) 1997-09-11 1997-09-11 Elektromagnetisch betätigbares Ventil
DE19739850 1997-09-11
PCT/DE1998/002003 WO1999013212A1 (fr) 1997-09-11 1998-07-17 Soupape a commande electromagnetique

Publications (2)

Publication Number Publication Date
EP0937201A1 EP0937201A1 (fr) 1999-08-25
EP0937201B1 true EP0937201B1 (fr) 2002-07-10

Family

ID=7841950

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98945005A Expired - Lifetime EP0937201B1 (fr) 1997-09-11 1998-07-17 Soupape a commande electromagnetique

Country Status (8)

Country Link
US (1) US6089475A (fr)
EP (1) EP0937201B1 (fr)
JP (1) JP3998729B2 (fr)
KR (1) KR100573185B1 (fr)
CN (1) CN1091218C (fr)
BR (1) BR9806168A (fr)
DE (2) DE19739850A1 (fr)
WO (1) WO1999013212A1 (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6047907A (en) 1997-12-23 2000-04-11 Siemens Automotive Corporation Ball valve fuel injector
US20010002680A1 (en) 1999-01-19 2001-06-07 Philip A. Kummer Modular two part fuel injector
GB9914642D0 (en) * 1999-06-24 1999-08-25 Lucas Ind Plc Fuel injector
DE10014962A1 (de) * 2000-03-25 2001-10-04 Gsf Forschungszentrum Umwelt Pulsbares Kapillarventil
US6676044B2 (en) 2000-04-07 2004-01-13 Siemens Automotive Corporation Modular fuel injector and method of assembling the modular fuel injector
US6481646B1 (en) 2000-09-18 2002-11-19 Siemens Automotive Corporation Solenoid actuated fuel injector
US6811091B2 (en) 2000-12-29 2004-11-02 Siemens Automotive Corporation Modular fuel injector having an integral filter and dynamic adjustment assembly
US6550690B2 (en) 2000-12-29 2003-04-22 Siemens Automotive Corporation Modular fuel injector having interchangeable armature assemblies and having an integral filter and dynamic adjustment assembly
US6655609B2 (en) 2000-12-29 2003-12-02 Siemens Automotive Corporation Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having an integral filter and o-ring retainer assembly
US6511003B2 (en) 2000-12-29 2003-01-28 Siemens Automotive Corporation Modular fuel injector having an integral or interchangeable inlet tube and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal
US6698664B2 (en) 2000-12-29 2004-03-02 Siemens Automotive Corporation Modular fuel injector having an integral or interchangeable inlet tube and having an integral filter and dynamic adjustment assembly
US6547154B2 (en) 2000-12-29 2003-04-15 Siemens Automotive Corporation Modular fuel injector having a terminal connector interconnecting an electromagnetic actuator with a pre-bent electrical terminal
US6520421B2 (en) 2000-12-29 2003-02-18 Siemens Automotive Corporation Modular fuel injector having an integral filter and o-ring retainer
US6502770B2 (en) 2000-12-29 2003-01-07 Siemens Automotive Corporation Modular fuel injector having a snap-on orifice disk retainer and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal
US6520422B2 (en) 2000-12-29 2003-02-18 Siemens Automotive Corporation Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal
US6533188B1 (en) 2000-12-29 2003-03-18 Siemens Automotive Corporation Modular fuel injector having a snap-on orifice disk retainer and having an integral filter and dynamic adjustment assembly
US6536681B2 (en) 2000-12-29 2003-03-25 Siemens Automotive Corporation Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having an integral filter and O-ring retainer assembly
US6499668B2 (en) 2000-12-29 2002-12-31 Siemens Automotive Corporation Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal
US6523760B2 (en) 2000-12-29 2003-02-25 Siemens Automotive Corporation Modular fuel injector having interchangeable armature assemblies and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminal
US6565019B2 (en) 2000-12-29 2003-05-20 Seimens Automotive Corporation Modular fuel injector having a snap-on orifice disk retainer and having an integral filter and O-ring retainer assembly
US6568609B2 (en) 2000-12-29 2003-05-27 Siemens Automotive Corporation Modular fuel injector having an integral or interchangeable inlet tube and having an integral filter and o-ring retainer assembly
US6508417B2 (en) 2000-12-29 2003-01-21 Siemens Automotive Corporation Modular fuel injector having a snap-on orifice disk retainer and having a lift set sleeve
US6708906B2 (en) * 2000-12-29 2004-03-23 Siemens Automotive Corporation Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having an integral filter and dynamic adjustment assembly
US6695232B2 (en) 2000-12-29 2004-02-24 Siemens Automotive Corporation Modular fuel injector having interchangeable armature assemblies and having a lift set sleeve
US6523761B2 (en) 2000-12-29 2003-02-25 Siemens Automotive Corporation Modular fuel injector having an integral or interchangeable inlet tube and having a lift set sleeve
US6769636B2 (en) 2000-12-29 2004-08-03 Siemens Automotive Corporation Modular fuel injector having interchangeable armature assemblies and having an integral filter and O-ring retainer assembly
US6607143B2 (en) 2000-12-29 2003-08-19 Siemens Automotive Corporation Modular fuel injector having a surface treatment on an impact surface of an electromagnetic actuator and having a lift set sleeve
US6523756B2 (en) 2000-12-29 2003-02-25 Siemens Automotive Corporation Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having a lift set sleeve
US6904668B2 (en) 2001-03-30 2005-06-14 Siemens Vdo Automotive Corp. Method of manufacturing a modular fuel injector
US6687997B2 (en) 2001-03-30 2004-02-10 Siemens Automotive Corporation Method of fabricating and testing a modular fuel injector
US7093362B2 (en) 2001-03-30 2006-08-22 Siemens Vdo Automotive Corporation Method of connecting components of a modular fuel injector
US6676043B2 (en) 2001-03-30 2004-01-13 Siemens Automotive Corporation Methods of setting armature lift in a modular fuel injector
US7621469B2 (en) * 2006-11-29 2009-11-24 Continental Automotive Canada, Inc. Automotive modular LPG injector
KR101134836B1 (ko) 2010-08-27 2012-04-13 현대자동차주식회사 엔진의 인젝터
JP5995073B2 (ja) * 2012-09-28 2016-09-21 株式会社ケーヒン 燃料噴射弁
JP5990848B2 (ja) * 2012-09-28 2016-09-14 株式会社ケーヒン 燃料噴射弁
JP6061074B2 (ja) * 2012-09-28 2017-01-18 株式会社ケーヒン 燃料噴射弁

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3831196A1 (de) * 1988-09-14 1990-03-22 Bosch Gmbh Robert Elektromagnetisch betaetigbares ventil
DE4003228A1 (de) * 1990-02-03 1991-08-22 Bosch Gmbh Robert Elektromagnetisch betaetigbares ventil
DE4008675A1 (de) 1990-03-17 1991-09-19 Bosch Gmbh Robert Elektromagnetisch betaetigbares ventil
US5199648A (en) * 1991-03-20 1993-04-06 Zexel Corporation Fuel injection valve
DE4131500A1 (de) * 1991-09-21 1993-03-25 Bosch Gmbh Robert Elektromagnetisch betaetigbares einspritzventil
DE4229730A1 (de) * 1992-09-05 1994-03-10 Bosch Gmbh Robert Elektromagnetisch betätigbares Brennstoffeinspritzventil

Also Published As

Publication number Publication date
CN1091218C (zh) 2002-09-18
DE19739850A1 (de) 1999-03-18
JP3998729B2 (ja) 2007-10-31
KR20000068946A (ko) 2000-11-25
US6089475A (en) 2000-07-18
KR100573185B1 (ko) 2006-04-24
JP2001504917A (ja) 2001-04-10
EP0937201A1 (fr) 1999-08-25
DE59804720D1 (de) 2002-08-14
CN1239535A (zh) 1999-12-22
WO1999013212A1 (fr) 1999-03-18
BR9806168A (pt) 1999-10-19

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