EP0514394B1 - Elektromagnetisch betätigbares ventil - Google Patents
Elektromagnetisch betätigbares ventil Download PDFInfo
- Publication number
- EP0514394B1 EP0514394B1 EP91902234A EP91902234A EP0514394B1 EP 0514394 B1 EP0514394 B1 EP 0514394B1 EP 91902234 A EP91902234 A EP 91902234A EP 91902234 A EP91902234 A EP 91902234A EP 0514394 B1 EP0514394 B1 EP 0514394B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- welded
- welding
- cross
- valve seat
- 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
Links
- 238000003466 welding Methods 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 19
- 230000005294 ferromagnetic effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 230000005291 magnetic effect Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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
- F02M51/06—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
- F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
-
- 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
Definitions
- the invention is based on an electromagnetically actuated valve according to the preamble of patent claim 1.
- an electromagnetically actuated valve has already been proposed in which soldering or welding of the armature to the connecting tube, the guide element to the Core and with the connecting part, the intermediate part with the core end and with the connecting part and the connecting part with the valve seat body.
- the valve manufactured accordingly has a large construction volume due to the space required for the soldered or welded seams. When welding, there is a risk that the parts to be welded together deform due to thermal stresses, but also that the required reliability of the connection is not guaranteed with larger wall thicknesses of the projecting parts.
- the valve according to the invention with the characterizing features of claim 1 has the advantage that a reliable welding is achievable and the valve can be manufactured with smaller dimensions in the radial and axial directions.
- the simplified welding in a reduction in cross-section enables the heating of the parts to be welded to be reduced and at the same time forms a safe and reliable connection. Deformation of the parts due to the effects of temperature is therefore largely excluded.
- valve seat body has a circumferential groove between the valve seat and a weld seam connecting the valve seat body to the connecting part, since this reduction in cross-sectional area reduces the heat flow during welding from the weld seam into the valve seat of the valve seat body, so that the valve seat is distorted by thermal stresses is prevented.
- the cross-sectional area of the valve seat body between a processing bore of the valve seat body and a groove base of the circumferential groove is less than a quarter of the cross-sectional area of the valve seat body, which is formed between the line of contact of the valve closing body abutting the valve seat surface and the circumference of the valve seat body by reduce the heat flow as much as possible without endangering the stability of the valve seat body.
- the wall thickness of the reduction in cross-section of the part to be welded is significantly less than the wall thickness of the other part to be welded in the area of the weld, so that the significantly larger wall thickness of the other part ensures reliable welding and the necessary heat dissipation .
- FIG. 1 shows an exemplary embodiment of a valve designed according to the invention
- FIG. 2 shows the welding according to the invention of two metal parts of the valve projecting one above the other.
- the electromagnetically actuated valve in the form of an injection valve for fuel injection systems of internal combustion engines, for example shown in FIG. 1, has a core 1 surrounded by a magnetic coil 3, which is tubular and through which the fuel is supplied. Subsequent to a lower core end 2, on which the magnet coil 3 is arranged, a first connecting section 5 of a tubular, metallic intermediate part 6, which has a core cross section 2 and has a cross-sectional reduction 40 on the circumference, is concentric with a core longitudinal axis 4, tight with the core 1 a weld seam 54 running in the cross-sectional reduction 40 and produced by means of a laser is connected.
- the welding according to the invention shown in FIG. 2 of two projecting metal parts of the valve is intended to apply to all weldings of the valve in a correspondingly adapted form and shows, by way of example, the cross-sectional reduction 40 of the first connecting section 5 which is designed as a welding groove and which is close to one end of the part, for example of the intermediate part 6, and is delimited towards this end by a reinforcing collar 41 which extends radially beyond the base of the groove.
- the reinforcing collar 41 serves as protection for the weld seam 54 and the small wall thickness of the cross-sectional reduction 40 of approximately 0.3 mm. If the reinforcing collar 41 has an insertion phase 42 and / or an edge break toward the central opening 55 of the intermediate part 6, this facilitates assembly.
- the wall thickness of the other to be welded which is substantially greater than the reduction in cross section 40 Part, here the core end 2, enables safe and reliable welding.
- the first connecting section 5 encompasses a holding shoulder 36 of the core end 2, which has a smaller outer diameter than the core 1
- the second connecting section 7 encompasses a holding shoulder 37 of the connecting part which is also formed with a smaller outer diameter than in the adjacent area 20th
- a valve seat body 8 having a groove 31 is welded into a holding bore 39, the laser-generated weld running in a reduction in cross section 52 of the connecting part 20, as shown in FIG. 2 as an example.
- the groove 31 lies between the valve seat 9 and the reduction in cross section 52.
- the lining up of the core 1, the intermediate part 6, the connecting part 20 and the valve seat body 8 thus represents a tight, rigid metal unit. Downstream of the valve seat 9, at least one spray opening 17 is formed in the valve seat body 8.
- a sliding sleeve 22 pressed into a flow bore 21 of the core 1 serves to adjust the spring preload of a return spring 18 resting against the sliding sleeve 22, which is supported with its downstream end on a connecting tube 23.
- an armature 12 is connected by laser welding, in which the A cross-section reduction 51, which is designed to face away from the core end 2, runs a weld seam corresponding to that shown in FIG.
- the tubular intermediate part 6, together with a guide collar 10, also serves as a guide for the armature 12.
- this is connected to a valve closing body 14 which interacts with the valve seat 9, for example in the form of a ball, for example by welding.
- the circumferential groove 31 in the valve seat body 8 causes the cross-sectional area of the valve seat body 8 between a treatment bore 32 of the valve seat body 8 and a groove bottom 33 of the circumferential groove 31 to be less than a quarter of the cross-sectional area of the valve seat body 8, which lies between the line of contact of the valve seat surface Valve closing body 14 and the circumference of the valve seat body 8 is formed.
- This reduced cross-sectional area reduces the heat flow during welding from the weld seam 30 into the valve seat 9, so that warping of the valve seat 9 due to thermally induced stresses is excluded.
- the magnet coil 3 is completely surrounded in the axial direction and at least partially in the circumferential direction by at least one guide element 28, which is designed as a bracket in the exemplary embodiment and serves as a ferromagnetic element.
- the area 29 of the guide element 28 is adapted to the contour of the magnetic coil 3, an upper end section 44 which extends radially inwards partially surrounds the core 1, a lower end section 45 partially surrounds the connecting part 20.
- the upper end section 44 is the valve closing body 14 End facing away from the core 1 connected by laser welding, the welding being formed in a simple cross-sectional reduction 46 of the upper end section 44, which only extends over part of the circumference of the guide element 28.
- the guide element 28 With its lower end section 45, the guide element 28 is connected to the connecting part 20 in a cross-sectional reduction 47 by means of laser welding, for example in accordance with the weld shown in FIG. 2. Since the guide element 28 does not perform a sealing function, a circumferential, tight welding is not necessary, so that the cross-sectional reductions 46, 47 at the upper end section 44 and the lower end section 45 do not have to be circumferential.
- a plastic sheathing 24 which also encloses at least the intermediate part 6 and part of the connecting part 20.
- the color coding of the valve enables quick identification of the valve type during production, assembly or also when storing spare parts.
- an electrical connector 26 is molded onto the plastic sheathing 24, via which the electrical contacting of the magnetic coil 3 and thus its excitation takes place.
- the laser weldings according to the invention which are carried out in cross-sectional reductions, not only enable a compact structure of the valve, they are also distinguished by a high level of safety and reliability and simple execution.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
- Fuel-Injection Apparatus (AREA)
- Fluid-Driven Valves (AREA)
- Valve Housings (AREA)
- Laser Beam Processing (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4003227 | 1990-02-03 | ||
DE4003227A DE4003227C1 (en) | 1990-02-03 | 1990-02-03 | EM fuel injection valve for IC engine - has two overlapping parts welded together as narrowed section of one part |
PCT/DE1991/000043 WO1991011604A2 (de) | 1990-02-03 | 1991-01-19 | Elektromagnetisch betätigbares ventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0514394A1 EP0514394A1 (de) | 1992-11-25 |
EP0514394B1 true EP0514394B1 (de) | 1994-08-24 |
Family
ID=6399368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91902234A Expired - Lifetime EP0514394B1 (de) | 1990-02-03 | 1991-01-19 | Elektromagnetisch betätigbares ventil |
Country Status (10)
Country | Link |
---|---|
US (1) | US5236174A (ko) |
EP (1) | EP0514394B1 (ko) |
JP (1) | JP3037412B2 (ko) |
KR (1) | KR0185732B1 (ko) |
AT (1) | ATE110442T1 (ko) |
BR (1) | BR9105981A (ko) |
DE (2) | DE4003227C1 (ko) |
ES (1) | ES2060359T3 (ko) |
RU (1) | RU2076940C1 (ko) |
WO (1) | WO1991011604A2 (ko) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4125155C1 (ko) * | 1991-07-30 | 1993-02-04 | Robert Bosch Gmbh, 7000 Stuttgart, De | |
DE4131500A1 (de) * | 1991-09-21 | 1993-03-25 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares einspritzventil |
JP3085008B2 (ja) * | 1993-03-12 | 2000-09-04 | 株式会社デンソー | 流体噴射弁 |
DE4310819A1 (de) * | 1993-04-02 | 1994-10-06 | Bosch Gmbh Robert | Verfahren zur Einstellung eines Ventils |
US5494225A (en) * | 1994-08-18 | 1996-02-27 | Siemens Automotive Corporation | Shell component to protect injector from corrosion |
US5494223A (en) * | 1994-08-18 | 1996-02-27 | Siemens Automotive L.P. | Fuel injector having improved parallelism of impacting armature surface to impacted stop surface |
DE4429804A1 (de) * | 1994-08-23 | 1996-02-29 | Johnson Service Co | Verfahren zur Herstellung von in Heizungs-, Lüftungs- und Klimaanlage eingesetzten Serienventilen |
JPH08189439A (ja) * | 1994-12-28 | 1996-07-23 | Zexel Corp | 電磁式燃料噴射弁およびそのノズルアッシィ組付け方法 |
DE19503820C2 (de) * | 1995-02-06 | 2003-10-16 | Bosch Gmbh Robert | Elektromagnetisch betätigbares Ventil und Verfahren zur Herstellung einer Führung an einem Ventil |
DE19503821A1 (de) * | 1995-02-06 | 1996-08-08 | Bosch Gmbh Robert | Elektromagnetisch betätigbares Ventil |
DE19739324A1 (de) * | 1997-09-09 | 1999-03-11 | Bosch Gmbh Robert | Elektromagnetisch betätigbares Ventil |
JP3941269B2 (ja) * | 1997-12-11 | 2007-07-04 | 株式会社デンソー | 金属部材のレーザ溶接構造および方法,並びに燃料噴射弁 |
US6047907A (en) | 1997-12-23 | 2000-04-11 | Siemens Automotive Corporation | Ball valve fuel injector |
DE19835693A1 (de) | 1998-08-07 | 2000-02-10 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
US20010002680A1 (en) | 1999-01-19 | 2001-06-07 | Philip A. Kummer | Modular two part fuel injector |
US6676044B2 (en) | 2000-04-07 | 2004-01-13 | Siemens Automotive Corporation | Modular fuel injector and method of assembling the modular fuel injector |
US6732947B2 (en) * | 2000-06-20 | 2004-05-11 | Mckenna Quentin M. | Apparatus for intermittent liquid dispersal |
JP3732723B2 (ja) | 2000-07-06 | 2006-01-11 | 株式会社日立製作所 | 電磁式燃料噴射弁 |
US6481646B1 (en) | 2000-09-18 | 2002-11-19 | Siemens Automotive Corporation | Solenoid actuated fuel injector |
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 |
US6520421B2 (en) | 2000-12-29 | 2003-02-18 | Siemens Automotive Corporation | Modular fuel injector having an integral filter and o-ring retainer |
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 |
US6695232B2 (en) | 2000-12-29 | 2004-02-24 | Siemens Automotive Corporation | Modular fuel injector having interchangeable armature assemblies and having a lift set sleeve |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
JP3799599B2 (ja) * | 2001-02-26 | 2006-07-19 | 株式会社デンソー | 溶接装置および溶接方法 |
US6904668B2 (en) | 2001-03-30 | 2005-06-14 | Siemens Vdo Automotive Corp. | Method of manufacturing 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 |
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 |
JP2002303222A (ja) * | 2001-04-02 | 2002-10-18 | Denso Corp | 燃料噴射弁 |
DE10332348A1 (de) * | 2003-07-16 | 2005-02-03 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP3819906B2 (ja) * | 2004-02-27 | 2006-09-13 | 株式会社ケーヒン | 電磁式燃料噴射弁およびその製造方法 |
DE102004037541B4 (de) | 2004-08-03 | 2016-12-29 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
BRPI0516023B1 (pt) * | 2004-09-27 | 2018-04-03 | Keihin Corporation | Válvula de injeção de combustível eletromagnética |
JP3993594B2 (ja) * | 2004-09-27 | 2007-10-17 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
JP3955055B2 (ja) * | 2004-09-27 | 2007-08-08 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
DE102005037319A1 (de) * | 2005-08-04 | 2007-02-08 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE102005052255B4 (de) | 2005-11-02 | 2020-12-17 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP4789660B2 (ja) * | 2006-03-15 | 2011-10-12 | パナソニック株式会社 | モータ駆動装置およびモータ駆動方法 |
DE102008000797B4 (de) * | 2007-03-26 | 2014-05-22 | Denso Corporation | Elektromagnetventil und Kraftstoffeinspritzventil mit dem selben |
PL1975486T3 (pl) * | 2007-03-28 | 2015-05-29 | Fillon Tech Sas Societe Par Actions Simplifiee | Zawór dozujący |
DE102007049945A1 (de) * | 2007-10-18 | 2009-04-23 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE102013223530A1 (de) | 2013-11-19 | 2015-05-21 | Robert Bosch Gmbh | Ventil zum Zumessen von Fluid |
ITBO20150236A1 (it) * | 2015-05-05 | 2016-11-05 | Magneti Marelli Spa | Iniettore elettromagnetico di carburante con gola anulare disposta in corrispondenza della saldatura di una prolunga |
WO2022251503A1 (en) | 2021-05-28 | 2022-12-01 | Stanadyne Llc | Fuel injector |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2583317B1 (fr) * | 1985-06-12 | 1987-09-11 | Carnaud Emballage Sa | Procede de fabrication d'un emballage cylindrique par soudage au moyen d'un faisceau laser et appareil pour la mise en oeuvre d'un tel procede. |
DE3825134A1 (de) * | 1988-07-23 | 1990-01-25 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil und verfahren zur herstellung |
DE3825135A1 (de) * | 1988-07-23 | 1990-01-25 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil |
DE3831196A1 (de) * | 1988-09-14 | 1990-03-22 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil |
DE3927932A1 (de) * | 1989-08-24 | 1991-02-28 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares kraftstoffeinspritzventil |
-
1990
- 1990-02-03 DE DE4003227A patent/DE4003227C1/de not_active Expired - Lifetime
-
1991
- 1991-01-19 ES ES91902234T patent/ES2060359T3/es not_active Expired - Lifetime
- 1991-01-19 KR KR1019920701828A patent/KR0185732B1/ko not_active IP Right Cessation
- 1991-01-19 DE DE59102644T patent/DE59102644D1/de not_active Expired - Lifetime
- 1991-01-19 AT AT91902234T patent/ATE110442T1/de not_active IP Right Cessation
- 1991-01-19 US US07/915,989 patent/US5236174A/en not_active Expired - Fee Related
- 1991-01-19 BR BR919105981A patent/BR9105981A/pt not_active IP Right Cessation
- 1991-01-19 WO PCT/DE1991/000043 patent/WO1991011604A2/de active IP Right Grant
- 1991-01-19 JP JP03502371A patent/JP3037412B2/ja not_active Expired - Lifetime
- 1991-01-19 EP EP91902234A patent/EP0514394B1/de not_active Expired - Lifetime
- 1991-01-19 RU SU915052671A patent/RU2076940C1/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE59102644D1 (de) | 1994-09-29 |
ATE110442T1 (de) | 1994-09-15 |
JPH05504181A (ja) | 1993-07-01 |
JP3037412B2 (ja) | 2000-04-24 |
BR9105981A (pt) | 1992-11-10 |
EP0514394A1 (de) | 1992-11-25 |
DE4003227C1 (en) | 1991-01-03 |
KR0185732B1 (ko) | 1999-03-20 |
KR920704001A (ko) | 1992-12-18 |
WO1991011604A2 (de) | 1991-08-08 |
ES2060359T3 (es) | 1994-11-16 |
RU2076940C1 (ru) | 1997-04-10 |
WO1991011604A3 (de) | 1991-09-19 |
US5236174A (en) | 1993-08-17 |
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