WO1998005861A1 - Brennstoffeinspritzventil und verfahren zur herstellung - Google Patents
Brennstoffeinspritzventil und verfahren zur herstellung Download PDFInfo
- Publication number
- WO1998005861A1 WO1998005861A1 PCT/DE1997/000710 DE9700710W WO9805861A1 WO 1998005861 A1 WO1998005861 A1 WO 1998005861A1 DE 9700710 W DE9700710 W DE 9700710W WO 9805861 A1 WO9805861 A1 WO 9805861A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- fuel injection
- injection valve
- sleeve
- plastic
- Prior art date
Links
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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
-
- 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
-
- 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
Definitions
- the invention relates to a fuel injection valve according to the preamble of claim 1 and a method for producing a fuel injection valve according to the preamble of claim 10.
- This inner valve part is ultimately surrounded by a plurality of further individual components in the assembled state of the injection valve, at least one cup-shaped housing part, a magnet coil with coil body, a cup-shaped coil housing and a plug part being required.
- the arrangement and design of the many individual parts surrounding the valve part is relatively complex.
- a large number of connections must be made between the outer individual parts and the inner valve part.
- a fuel injector which has a non-magnetic thin-walled sleeve as a valve seat support.
- the entire, completely set fuel injector, including the sleeve, is largely enclosed with a plastic extrusion coating, which extends from the core in the axial direction over the solenoid coil to the downstream end of the injection valve.
- the deep-drawn sleeve has only a very small wall thickness ( ⁇ 0.3 mm) in order to conduct the magnetic flux over the non-magnetic sleeve with as little loss as possible.
- high encapsulation pressures up to 350 bar
- are required which can lead to deformation of the sleeve, which can lead to assembly and functional problems of the injection valve.
- the fuel injector according to the invention with the characterizing features of claim 1 has the advantage that it can be assembled inexpensively in a simple manner.
- this simplified assembly of the fuel injector is achieved in that two main components of the injector, a valve part and a plastic part, are manufactured and adjusted separately from one another.
- the inner valve part is advantageously carried out, inter alia, with a non-magnetic, thin-walled sleeve, the use of which brings cost savings compared to known valves, since material savings are possible and the joining for connecting individual components can be partially dispensed with.
- the outer plastic part has an inner through opening into which the valve part can be inserted very easily and can be fastened by a simple but nevertheless secure snap-in connection.
- the latching connection is advantageously produced by engaging, latching or clipping a latching element on the plastic part into a groove on the outer circumference of the valve part.
- the locking elements can have a wide variety of contours, z. B. be angular or rounded.
- FIG. 1 shows a fuel injection valve according to the invention
- FIG. 2 shows an outer tubular plastic part
- FIG. 3 shows an inner valve part, the parts of FIGS. 2 and 3 being assembled and connected to one another result in a fuel injection valve according to FIG. 1.
- the electromagnetically actuated valve for example shown in FIG. 1, in the form of an injection valve for fuel injection systems of mixture-compressing, spark-ignited internal combustion engines has a tubular core 2, which is surrounded by a magnet coil 1 and serves as a fuel inlet port and enables m connection with the core 2 a particularly compact structure of the injection valve in the area of the magnet coil 1.
- the magnet coil 1 is surrounded with its coil body 3 by at least one guiding element 5, for example designed as a bracket and serving as a ferromagnetic element, which surrounds the magnet coil 1 at least in the circumferential direction partially surrounds and abuts the core 2 with its upper end 6.
- the at least one guide element 5 is designed in steps such that an axially parallel main section 7 and the upper end 6 are connected by a radially extending connecting section 8.
- the connecting section 8 represents a cover of the magnetic coil area upwards.
- the guide element 5 is at its lower end 9 z. B. connected to a cross-sectionally L-shaped guide ring 9, for example by one or more welding spots, which represents the boundary of the magnetic coil region downwards or in the downstream direction.
- the parts of the guide element 5 and guide ring 10 which conduct the magnetic flux enclose the magnet coil 1, which is wound onto the coil body 3, at least in part in a pot shape.
- the upper end of the core 2 is concentrically sealed to a valve longitudinal axis 16 as a
- the coil former 3 overlaps the sleeve section 19 of the sleeve 18 at least partially axially.
- the coil body 3 has namely over its entire axial extent a larger inner diameter than the diameter of the sleeve 18 in its upper sleeve section 19.
- the tubular sleeve 18 made of, for example, non-magnetic steel extends downstream with a lower sleeve section 20 to the downstream end of the fuel injector, the lower sleeve section 20 has a slightly smaller diameter than the diameter of the upper sleeve section 19.
- the diameter reduction in the form of a small shoulder 23 is located in the area of the upper end of the guide ring 10, since the guide ring 10 has a minimally smaller inside diameter than the inside diameter of the coil body 3. This configuration contributes to the safe assembly of the injection valve, which will be described in detail later.
- the sleeve 18 is thus tubular over its entire axial length.
- the sleeve 18 forms a through-opening 21 with a largely constant diameter apart from the shoulder 23 over its entire axial extent, which runs concentrically to the valve longitudinal axis 16.
- the sleeve 18 surrounds an armature 24 and further downstream a valve seat body 25.
- a valve seat body 25 which is fixedly connected to the valve seat body 25 on its downstream end face, for.
- pot-shaped Sp ⁇ tz perforated disk 26 is also surrounded by the sleeve 18 in the circumferential direction, the fixed connection of the valve seat body 25 and spray perforated disk 26 z.
- the sleeve 18 is thus not only a connecting part, but it also fulfills holding or carrying functions, in particular for the valve seat body 25, so that the sleeve 18 is really also a valve seat support.
- In the passage opening 21 is a z. B. tubular valve needle 28 arranged at its downstream, the spray hole 26 facing end 29 with a z. B. spherical valve closing body 30, on the circumference of which, for example, five flattenings 31 are provided for the fuel to be sprayed to flow past, for example connected by welding.
- the injection valve is actuated electromagnetically in a known manner.
- a return spring 33 or closing the injection valve serves the electromagnetic circuit with the magnet coil 1, the core 2, the at least one guide element 5, the guide ring 10 and the armature 24.
- the armature 24 is connected to the end of the valve needle 28 facing away from the valve closing body 30, for . B. connected by a weld and aligned to the core 2.
- a guide opening 34 of the valve seat body 25 serves to guide the valve closing body 30 during the axial movement of the valve needle 28 with the armature 24 along the valve longitudinal axis 16.
- the armature 24 is guided in the sleeve 18 during the axial movement.
- the spherical valve closing body 30 acts with a conical taper in the flow direction
- Valve seat surface 35 of the valve seat body 25 together, which is formed in the axial direction downstream of the guide opening 34.
- the pot-shaped spray perforated disk 26 has a circumferential, downstream holding edge 43.
- the holding edge 43 is conically bent outwards downstream , so that it bears against the inner wall of the sleeve 18, which is determined by the through opening 21, a radial pressure being present.
- the holding edge 43 of the spray disk 26 with the wall of the sleeve 18 is, for example, by a circumferential and dense z.
- valve needle 28 The end position of the valve needle 28 when the solenoid coil 1 is not excited is due to the valve closing body 30 resting on the valve seat surface 35 of the valve seat body 25 fixed, while the other end position of the valve needle 28 results when the magnet coil 1 is excited by the contact of the armature 24 at the core end 15.
- the stroke adjustment takes place by the axial displacement of the core 2 pressed in with a slight oversize in the upper sleeve section 19 of the sleeve 18.
- the core 2 is subsequently firmly connected to the sleeve 18 in the desired position, with laser welding on the circumference of the sleeve 18 makes sense.
- the interference fit of the press fit can also be chosen to be sufficiently large so that the forces which arise can be absorbed and complete tightness is guaranteed, as a result of which welding can be omitted.
- An adjusting sleeve 39 is inserted into a stepped flow bore 38 of the core 2, which runs concentrically to the longitudinal valve axis 16 and serves to supply the fuel in the direction of the valve seat, especially the valve seat surface 35.
- the adjusting sleeve 39 is used to adjust the spring preload of the return spring 33 abutting the adjusting sleeve 39, which in turn is supported on the valve needle 28 with its opposite side.
- a fuel filter 40 protrudes into the flow bore 38 of the core 2 at its inlet end and ensures that
- the completely set and assembled injection valve is largely surrounded by a plastic jacket 50, which extends from the core 2 in the axial direction via the magnetic coil 1 to the immediate termination of the sleeve 18, with this plastic jacket 50 having a co-molded electrical connector 51. About the electrical connector 51, the electrical contact generation of the solenoid 1 and thus their excitation.
- the plastic jacket 50 is a tubular plastic rope, which differs considerably from plastic fuel injection valves of known fuel injection valves.
- FIG. 2 shows an outer tubular plastic part 60 with the magnetic coil assembly, which is mainly formed by the plastic jacket 50 with the connector 51.
- This plastic part 60 consists specifically of the magnet coil 1, the coil body 3 carrying the windings of the magnet coil 1 made of plastic, the at least one z.
- the tubular plastic jacket 50 includes the conventionally designed connector 51, for example two
- Contact pins 52 which are used for electrical excitation of the solenoid l. These contact pins 52 extend out of the coil body 3 up to the connector plug 51.
- the plastic jacket 50 is shaped in such a way that an axially extending inner through opening 54 is formed.
- the inner through opening 54 of the plastic part 60 is not completely defined by the inner diameter of the plastic jacket 50, but also by the inner diameter of the upper end 6 of the guide element 5 Inner diameter of the bobbin 3 and the inner diameter of the guide ring 10.
- the diameter of the through-opening 54 is determined by the plastic of the plastic jacket 50, the inside diameter of the opening area 55 located upstream of the magnet coil 1 being larger than the inner diameter of the opening area 56 lying downstream of the magnet coil 1.
- the plastic jacket 50 not only surrounds the magnet coil assembly in the circumferential direction and in the axial direction, but also extends in the region of the at least one guide element 5 between such a guide element 5 and the magnet coil 1 or the coil body 3.
- the plastic jacket 50 is directly above the coil body 3 on the through opening 54 executed such that a protruding into the through opening 54, for. B. by 360 ° circumferential locking element 58 slightly reduces the cross section of the through opening 54.
- This locking element 58 can be designed in the form of a circumferential nose, an inner bead or an inner collar and can have an angular or rounded contour. Likewise, several latching lugs arranged over the circumference of the through opening 54 are conceivable.
- the outer contour of the plastic jacket 50 is adapted to the desired installation conditions, z. B. on the lower En ⁇ e of the plastic jacket 50, an annular groove 59 is provided, in which a sealing ring 62 ( Figure 1) can be used.
- the valve part 70 mainly comprises the components core 2, fuel filter 40, adjusting sleeve 39, return spring 33, valve needle 28 with valve closing body 30, armature 24, sleeve 18 and
- Valve seat body 25 with spray perforated disk 26 The individual components interact in the manner described above or are connected to one another in accordance with the explanations given above with reference to FIG.
- the use of the relatively inexpensive sleeve 18 makes it possible to dispense with rotating parts that are common in injection valves, such as valve seat supports or nozzle holders, which are more voluminous due to their larger outer diameter and more expensive to manufacture than the sleeve 18.
- the thin-walled sleeve 18 (wall thickness, for example, 0.3 mm) was formed, for example, by deep drawing, the material being a non-magnetic material, e.g. B. a rust-resistant CrNi steel is used.
- the sleeve 18 present as a deep-drawn part serves, as already mentioned, due to their large extent to accommodate the valve seat body 25, the spray orifice plate 26, the valve needle 28 with the armature 24, the return spring 33 and at least partially of the core 2 and consequently also the stop area of armature 24 and core 2 to limit the stroke.
- the sleeve 18 has, for example, a slightly radially outwardly curved peripheral edge 64 at its upper axial end. The peripheral edge 64 is created by separating the material overflow during deep drawing and serves to establish a secure snap-in connection in the injection valve.
- valve part 70 After the stroke adjustment and the assembly of the individual components to form the valve part 70, the complete valve part 70 is inserted into the through opening 54 of the plastic part 60 from the top
- the valve part 70 and the plastic part 60 enter into a fixed latching connection with the desired insertion length.
- the latching element 58 of the plastic part 60 engages in a groove 66 formed between the peripheral edge 64 of the sleeve 18 and an outer core shoulder 65.
- This can be an intervention, a snap-in or a clip-in.
- the groove 66 can also be formed at another location on the circumference of the core 2.
- the geometries of the locking element 58 or the groove 66 are provided in such a way that an absolutely secure, slip-free connection is produced. It is no longer possible to loosen the connection without additional tools.
- This type of assembly has the great advantage that the high encapsulation pressure (up to 350 bar) required for plastic encapsulation cannot lead to deformation of the thin-walled sleeve 18, since it is only subsequently integrated in the plastic part 60 together with the entire valve part 70.
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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)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59706434T DE59706434D1 (de) | 1996-08-02 | 1997-04-08 | Brennstoffeinspritzventil und verfahren zur herstellung |
KR10-1998-0702375A KR100482905B1 (ko) | 1996-08-02 | 1997-04-08 | 연료분사밸브및그제작방법 |
JP50743498A JP3737130B2 (ja) | 1996-08-02 | 1997-04-08 | 燃料噴射弁及びその製造法 |
US09/029,818 US6012655A (en) | 1996-08-02 | 1997-04-08 | Fuel injection valve and method of producing the same |
EP97923728A EP0865574B1 (de) | 1996-08-02 | 1997-04-08 | Brennstoffeinspritzventil und verfahren zur herstellung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19631280.9 | 1996-08-02 | ||
DE19631280A DE19631280A1 (de) | 1996-08-02 | 1996-08-02 | Brennstoffeinspritzventil und Verfahren zur Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998005861A1 true WO1998005861A1 (de) | 1998-02-12 |
Family
ID=7801628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1997/000710 WO1998005861A1 (de) | 1996-08-02 | 1997-04-08 | Brennstoffeinspritzventil und verfahren zur herstellung |
Country Status (9)
Country | Link |
---|---|
US (1) | US6012655A (de) |
EP (1) | EP0865574B1 (de) |
JP (1) | JP3737130B2 (de) |
KR (1) | KR100482905B1 (de) |
CN (1) | CN1078668C (de) |
DE (2) | DE19631280A1 (de) |
ES (1) | ES2172788T3 (de) |
RU (1) | RU2177074C2 (de) |
WO (1) | WO1998005861A1 (de) |
Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000043666A1 (en) * | 1999-01-19 | 2000-07-27 | Siemens Automotive Corporation | Modular two part fuel injector |
GB2365494A (en) * | 1997-12-19 | 2002-02-20 | Caterpillar Inc | Solenoid assembly, eg for fuel injectors |
EP1211410A2 (de) * | 2000-12-04 | 2002-06-05 | Autonetworks Technologies, Ltd. | Einspritzventilmodul und Zündspulenvorrichtungsmodul |
EP1219821A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens VDO Automotive Corporation | Modulares Brennstoffeinspritzventil mit einem integrierten oder austauschbaren Einlassrohr, einem integrierten Filter und einer Justiereinrichtung |
EP1219814A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens VDO Automotive Corporation | Modulares Brennstoffeinspritzventil mit einem integrierten Filter und einer Justiereinrichtung |
EP1219816A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens Automotive Corporation | Modulares Brennstoffeinspritzventil mit austauschbarem Anker und mit einer den Hub einstellenden Hülse |
EP1219817A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens Automotive Corporation | Modulares Kraftstoffeinspritzventil mit einem Endverbinder zum Verbinden einer elektromagnetischen Betätigungsvorrichtung mit einer vorgebogenen elektrischen Klemme |
EP1219820A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens Automotive Corporation | Modulares Einspritzventil und sein Zusammenbau |
EP1219818A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens Automotive Corporation | Modulares Kraftstoffeinspritzventil mit einer elektromagnetischen Betätigungsvorrichtung und einem Endverbinder zum Verbinden der Betätigungsvorrichtung mit einem elektrischen Anschluss |
EP1219815A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens Automotive Corporation | Modulares Brennstoffeinspritzventil mit einer den Hub einstellenden Hülse |
EP1219819A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens Automotive Corporation | Modulares Kraftstoffeinspritzventil mit elektromagnetischer Betätigungsvorrichtung und einer den Hub einstellenden Hülse |
EP1219825A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens VDO Automotive Corporation | Modulares Brennstoffeinspritzventil mit einer Oberflächenbehandlung einer Stossoberfläche eines elektromagnetischen Aktuators, einem integrierten Filter und einer Justiereinrichtung |
EP1219822A1 (de) * | 2000-12-29 | 2002-07-03 | Siemens VDO Automotive Corporation | Brennstoffeinspritzventil und sein Zusammenbau |
EP1221549A1 (de) * | 2000-12-29 | 2002-07-10 | Siemens Automotive Corporation | Modulares Brennstoffeinspritzventil mit untereinander austauschbarer Ankeranordnung, und sein Zusammenbau |
EP1221550A1 (de) * | 2000-12-29 | 2002-07-10 | Siemens Automotive Corporation | Modulares Brennstoffeinspritzventil mit einer elektromagnetischen Betätigungseinrichtung, einem integrierten Filter und einer Justiereinrichtung |
EP1221551A1 (de) * | 2000-12-29 | 2002-07-10 | Siemens VDO Automotive Corporation | Kraftstoffeinspritzventil mit einer nicht magnetischen Hülse innerhalb der Magnetspulen |
EP1245823A1 (de) * | 2001-03-30 | 2002-10-02 | Siemens VDO Automotive Corporation | Verfahren zur Herstellung eines modularen Brennstoffeinspritzventils |
EP1245827A1 (de) * | 2001-03-30 | 2002-10-02 | Siemens VDO Automotive Corporation | Verfahren zur Einstellung des Ankerhubs in einem modularen Brennstoffeinspritzventils |
EP1245824A1 (de) * | 2001-03-30 | 2002-10-02 | Siemens VDO Automotive Corporation | Verfahren zum Fertigung eines modularen Einspritzventils |
US6481646B1 (en) | 2000-09-18 | 2002-11-19 | Siemens Automotive Corporation | Solenoid actuated fuel injector |
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 |
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 |
US6520421B2 (en) | 2000-12-29 | 2003-02-18 | Siemens Automotive Corporation | Modular fuel injector having an integral filter and o-ring retainer |
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 |
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 |
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 |
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 |
US6648247B2 (en) | 2001-02-02 | 2003-11-18 | Siemens Automotive Corporation | Combined filter and adjuster for a fuel injector |
US6655608B2 (en) | 1997-12-23 | 2003-12-02 | Siemens Automotive Corporation | Ball valve fuel injector |
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 |
US6663026B2 (en) | 2000-02-02 | 2003-12-16 | Siemens Automotive Inc | Combined filter and adjuster for a fuel injector |
US6676044B2 (en) | 2000-04-07 | 2004-01-13 | Siemens Automotive Corporation | Modular fuel injector and method of assembling the modular fuel injector |
US6687997B2 (en) | 2001-03-30 | 2004-02-10 | Siemens Automotive Corporation | Method of fabricating and testing a modular fuel injector |
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 |
WO2004106727A1 (en) * | 2003-05-30 | 2004-12-09 | Siemens Vdo Automotive S.P.A. | Injector assembly |
US7093362B2 (en) | 2001-03-30 | 2006-08-22 | Siemens Vdo Automotive Corporation | Method of connecting components of a modular fuel injector |
CN100391268C (zh) * | 1999-05-21 | 2008-05-28 | 阿尔卡塔尔公司 | 移动无线通信方法、系统、基站、基站控制器及移动站 |
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DE19827136A1 (de) * | 1998-06-18 | 1999-12-23 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
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- 1997-04-08 US US09/029,818 patent/US6012655A/en not_active Expired - Lifetime
- 1997-04-08 CN CN97191008A patent/CN1078668C/zh not_active Expired - Fee Related
- 1997-04-08 RU RU98108441/06A patent/RU2177074C2/ru not_active IP Right Cessation
- 1997-04-08 EP EP97923728A patent/EP0865574B1/de not_active Expired - Lifetime
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GB2365494A (en) * | 1997-12-19 | 2002-02-20 | Caterpillar Inc | Solenoid assembly, eg for fuel injectors |
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US6655608B2 (en) | 1997-12-23 | 2003-12-02 | Siemens Automotive Corporation | Ball valve fuel injector |
US6685112B1 (en) | 1997-12-23 | 2004-02-03 | Siemens Automotive Corporation | Fuel injector armature with a spherical valve seat |
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Also Published As
Publication number | Publication date |
---|---|
CN1198199A (zh) | 1998-11-04 |
ES2172788T3 (es) | 2002-10-01 |
KR19990063902A (ko) | 1999-07-26 |
CN1078668C (zh) | 2002-01-30 |
KR100482905B1 (ko) | 2005-07-25 |
RU2177074C2 (ru) | 2001-12-20 |
US6012655A (en) | 2000-01-11 |
DE59706434D1 (de) | 2002-03-28 |
DE19631280A1 (de) | 1998-02-05 |
EP0865574A1 (de) | 1998-09-23 |
JP3737130B2 (ja) | 2006-01-18 |
JPH11513101A (ja) | 1999-11-09 |
EP0865574B1 (de) | 2002-02-20 |
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