EP0683862B1 - Elektromagnetisch betätigbares ventil - Google Patents

Elektromagnetisch betätigbares ventil Download PDF

Info

Publication number
EP0683862B1
EP0683862B1 EP95900661A EP95900661A EP0683862B1 EP 0683862 B1 EP0683862 B1 EP 0683862B1 EP 95900661 A EP95900661 A EP 95900661A EP 95900661 A EP95900661 A EP 95900661A EP 0683862 B1 EP0683862 B1 EP 0683862B1
Authority
EP
European Patent Office
Prior art keywords
valve
core
armature
longitudinal axis
wedge
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
EP95900661A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0683862A1 (de
Inventor
Ferdinand Reiter
Martin Maier
Jörg HEYSE
Norbert Keim
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
Priority claimed from DE4421935A external-priority patent/DE4421935A1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0683862A1 publication Critical patent/EP0683862A1/de
Application granted granted Critical
Publication of EP0683862B1 publication Critical patent/EP0683862B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—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
    • F02M51/0614—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
    • 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
    • F02M61/166—Selection of particular materials
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/02—Fuel-injection apparatus having means for reducing wear
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
    • F02M2200/505—Adjusting spring tension by sliding spring seats
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/90—Selection of particular materials
    • F02M2200/9038—Coatings
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/90—Selection of particular materials
    • F02M2200/9053—Metals
    • F02M2200/9061—Special treatments for modifying the properties of metals used for fuel injection apparatus, e.g. modifying mechanical or electromagnetic properties

Definitions

  • the invention is based on an electromagnetically actuated Valve according to the genus of the main claim. It are already different electromagnetically operated Valves, in particular fuel injection valves, where wear-resistant components with wear-resistant Layers are provided.
  • DE-OS 32 30 844 is also known anchor and Stop surface of a fuel injector with wear-resistant Surfaces. These surfaces can be nickel-plated, for example, with an additional one Be provided layer, or nitrided, that is Storage of nitrogen must be hardened.
  • DE-OS 38 10 826 is a fuel injector described, in which at least one stop surface is designed to be extremely spherical to achieve an exact air gap, centered on the stop surface a round body insert made of non-magnetic, high-strength material is formed.
  • a fuel injector is also from EP-OS 0 536 773 known, at the anchor on its cylindrical Circumferential surface and an annular stop surface Hard metal layer is applied by electroplating.
  • This layer of chrome or nickel has, for example a thickness of 15 to 25 ⁇ m.
  • the galvanic Coating results in a slightly wedge-shaped layer thickness distribution, being minimal on the outer edges thicker layer is reached.
  • the layer thickness distribution is physical predefined and can hardly be influenced. After a certain Operating time widens the stop surface due to wear and tear in an undesirable manner, causing Changes in anchor pull-in and drop-out times result.
  • the electromagnetically actuated valve according to the invention with the characterizing features of the main claim has the advantage that at least one of the abutting components is designed in such a way that, after a wear-resistant surface has been produced, it is ensured that the stop surface is not undesirably worn even after a long period of operation is increased so that the pulling and falling times of the movable component remain almost constant.
  • This is achieved in that at least one of the abutting components has a wedge-shaped surface before the wear resistance is generated.
  • This wedge-shaped surface can be precisely adapted to different circumstances in order to achieve a magnetic and hydraulic optimum.
  • the wedge-shaped surface shape of the at least one component e.g. B. the anchor, it also allows that also non-galvanic and magnetic wear-resistant layers can be applied without the need for in a very small impact area remains unfulfilled.
  • a particular advantage is that the surface in its highest, closest to the opposite component Area of at least one of the abutting ones Components are made wear-resistant in that using a method known per se, e.g. one Nitriding processes such as plasma nitriding or gas nitriding or similar is hardened.
  • Embodiments of the invention are in the drawing shown in simplified form and in the description below explained in more detail.
  • 1 shows a fuel injector
  • Figure 2 shows an enlarged stop of the Injector in the area of the core and armature
  • Figure 3 a first embodiment of an inventive wedge-shaped anchor
  • Figure 4 shows a second embodiment a wedge anchor
  • Figure 5 a third Embodiment of a wedge anchor.
  • the electromagnetic shown in Figure 1 for example actuatable valve in the form of an injection valve for fuel injection systems of mixture compression, spark-ignited internal combustion engines has one of a magnetic coil 1 surrounding, as a fuel inlet connector serving core 2, which for example is tubular here and is constant over its entire length Has outer diameter.
  • a fuel inlet connector serving core 2 which for example is tubular here and is constant over its entire length Has outer diameter.
  • stepped bobbin 3 takes a winding of Magnet coil 1 and in connection with the a core 2 having a constant outer diameter a particularly compact design of the injection valve in the Magnetic coil area 1.
  • a tubular metal Intermediate part 12 connected for example by welding and partially surrounds the core end 9 axially.
  • the stepped bobbin 3 partially overlaps the core 2 and with a step 15 of larger diameter the intermediate part 12 at least partially axially.
  • a tubular valve seat support 16 Downstream of the Coil body 3 and the intermediate part 12 extends a tubular valve seat support 16, for example is firmly connected to the intermediate part 12.
  • a longitudinal bore 17 In the valve seat carrier 16 runs a longitudinal bore 17 which is concentric to the valve longitudinal axis 10 is formed.
  • a tubular valve needle for example 19 arranged at its downstream End 20 with a spherical valve closing body 21 the extent of which, for example, five flattenings 22 Flowing past the fuel are provided, for example is connected by welding.
  • the injection valve is actuated in a known manner Way electromagnetic.
  • a return spring 25 or closing the injection valve serves the electromagnetic circuit with the magnetic coil 1, the core 2 and an anchor 27.
  • the anchor 27 is with the end of the valve needle facing away from the valve closing body 21 19 connected by a first weld 28 and aligned to core 2.
  • the end of the valve seat carrier 16 facing away from the core 2 is shown in FIG the longitudinal bore 17 is a cylindrical valve seat body 29, which has a fixed valve seat, by welding tightly assembled.
  • valve closing body 21 For guiding the valve closing body 21 during the axial movement the valve needle 19 with the armature 27 along the Longitudinal valve axis 10 serves a guide opening 32 of the valve seat body 29.
  • the spherical valve closing body 21 acts with the shape of a truncated cone in the direction of flow tapered valve seat of the valve seat body 29 together.
  • the valve seat body 29 On its end facing away from the valve closing body 21 is the valve seat body 29 with, for example Pot-shaped spray plate 34 concentrically and firm, connected.
  • the spray plate 34 runs at least one, for example run four formed by eroding or stamping Spray openings 39.
  • the insertion depth of the valve seat body 29 with the pot-shaped spray disk 34 determines the default setting of the stroke of the valve needle 19.
  • Flow bore 46 of the core 2 inserted adjusting sleeve 48 is used to adjust the Spring preload of the adjoining the adjusting sleeve 48 Return spring 25, which in turn is with its opposite Supported on the valve needle 19.
  • the injection valve is largely with a plastic coating 50 enclosed, starting from the core 2 in axial direction via the solenoid coil 1 to the valve seat support 16 extends.
  • This plastic encapsulation 50 belongs, for example, to a co-molded electric Connector 52.
  • a fuel filter 61 projects into the flow bore 46 of the Core 2 at its inlet end 55 and provides for filtering out such fuel components, which due to their size in the injector blockages or cause damage.
  • the one marked with a circle in FIG. 1 is shown Range of one end position of the valve needle 19, in which the armature 27 at the core end 9 of the core 2 strikes, shown on a different scale.
  • metallic layers 65 on the core end 9 of the core 2 and on the anchor 27, for example of chrome or nickel layers, by means of electroplating.
  • the layers 65 are both on a End face perpendicular to the longitudinal axis 10 of the valve 67 and at least partially on a peripheral surface 66 the anchor 27 applied.
  • These layers are 65 particularly wear-resistant and reduce with their small size Surface a hydraulic gluing of the striking surfaces, but without being able to prevent it safely.
  • the Layer thickness of these layers 65 is generally between 10 and 25 ⁇ m.
  • Anchor 27 in the area of its upper end face 67 shown that before coating or generating the wear resistance of the surface a wedge section 73 with an inclined, oblique course opposite the valve longitudinal axis 10, so that the armature 27 there has a wedge shape.
  • the inclination of the wedge section 73 of the End face 67 of armature 27 extends in the exemplary embodiment in Figure 3 inside, including a wedge section 73 of the end face 67 is inclined to the outside can be ( Figure 4).
  • the wedge shape of the anchor 27 in The area of the end face 67 is already in the mechanical Editing, for example by a corresponding ground countersinking tool.
  • the end face 67 at least in the area at its highest point, by treating the surface made wear-resistant by means of a hardening process will.
  • a hardening process e.g. the well-known Nitriding processes such as plasma nitriding or gas nitriding suitable.
  • a stop section 68 of the end face 67 is provided, which over a width a radially inwards perpendicular to the longitudinal axis of the valve 10 extends and serves as a stop surface.
  • This Stop section 68 represents the entire operating time an almost completely constant in width a Annular surface.
  • the abutment surface wear at Continuous operation is precisely defined.
  • the stop surface width is that of the width a of the stop section 68 corresponds, constant even with wear remains, is a constant contact width during the Striking core 2 and anchor 27 over the entire Lifespan available, which also affects the hydraulic conditions in the gap between the core 2 and the armature 27 remain constant, which is a particular advantage.
  • at least the surface of the stop section 68 also wear-resistant thanks to a hardening process be made so that no additional Layer 65 must be applied to the end face 67.
  • Anchors 27 are shown in FIGS. 4 and 5.
  • An anchor 27 is shown in which the wedge section 73 the end face 67 is inclined to the outside.
  • FIG. 5 An embodiment of the armature 27 according to the invention, in which the end face 67 only through the wedge section 73 is shown, Figure 5. This is completely on the one with at least a small radial extension Stop section 68 omitted; rather there is one Wedge on the entire face 67 before, there is So no longitudinal axis 10 perpendicular to the valve Area of the end face 67. Especially for very small ones Angles of the wedge section 73 are then more stable Stop before, so that even in continuous operation a defined The stop surface remains.
  • the slope of the wedge portion 73 in Direction to the valve longitudinal axis 10 is also an embodiment analogous to that shown in FIG. 4 Embodiment conceivable in which the wedge section 73 extends in the direction away from the valve longitudinal axis 10, is designed inclined outwards.

Landscapes

  • 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)
  • Magnetically Actuated Valves (AREA)
EP95900661A 1993-12-09 1994-11-24 Elektromagnetisch betätigbares ventil Expired - Lifetime EP0683862B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4341961 1993-12-09
DE4341961 1993-12-09
DE4421935 1994-06-23
DE4421935A DE4421935A1 (de) 1993-12-09 1994-06-23 Elektromagnetisch betätigbares Ventil
PCT/DE1994/001392 WO1995016126A1 (de) 1993-12-09 1994-11-24 Elektromagnetisch betätigbares ventil

Publications (2)

Publication Number Publication Date
EP0683862A1 EP0683862A1 (de) 1995-11-29
EP0683862B1 true EP0683862B1 (de) 1998-06-10

Family

ID=25931897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95900661A Expired - Lifetime EP0683862B1 (de) 1993-12-09 1994-11-24 Elektromagnetisch betätigbares ventil

Country Status (9)

Country Link
US (1) US5732888A (cs)
EP (1) EP0683862B1 (cs)
JP (2) JP3742651B2 (cs)
CN (1) CN1049951C (cs)
BR (1) BR9406079A (cs)
CZ (1) CZ285156B6 (cs)
ES (1) ES2118531T3 (cs)
RU (1) RU2131549C1 (cs)
WO (1) WO1995016126A1 (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001044652A1 (de) 1999-12-16 2001-06-21 Robert Bosch Gmbh Brennstoffeinspritzventil
WO2002095215A1 (de) 2001-05-21 2002-11-28 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102008053310A1 (de) 2008-10-27 2010-04-29 Vacuumschmelze Gmbh & Co. Kg Werkstück aus weichmagnetischem Werkstoff mit verschleißfester Beschichtung und Verfahren zur Herstellung des Werkstücks
DE102008031690B4 (de) * 2007-07-06 2011-06-16 AISAN KOGYO KABUSHIKI KAISHA, Obu-shi Kraftstoffeinspritzventil

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19627939C1 (de) * 1996-07-11 1997-03-20 Bosch Gmbh Robert Ventilnadel und Verfahren zur Herstellung einer Ventilnadel
DE19654322C2 (de) * 1996-12-24 1999-12-23 Bosch Gmbh Robert Elektromagnetisch betätigbares Ventil
DE19712591A1 (de) * 1997-03-26 1998-10-01 Bosch Gmbh Robert Brennstoffeinspritzventil und Verfahren zur Herstellung sowie Verwendung eines Brennstoffeinspritzventils
US6047907A (en) 1997-12-23 2000-04-11 Siemens Automotive Corporation Ball valve fuel injector
US6019297A (en) * 1998-02-05 2000-02-01 Siemens Automotive Corporation Non-magnetic shell for welded fuel injector
DE19914711A1 (de) * 1998-05-15 1999-11-18 Ford Motor Co Armatur zum Einsatz in einem Kraftstoffeinspritzer
US6198369B1 (en) * 1998-12-04 2001-03-06 Tlx Technologies Proportional actuator for proportional control devices
US6392516B1 (en) 1998-12-04 2002-05-21 Tlx Technologies Latching solenoid with improved pull force
US6489870B1 (en) 1999-11-22 2002-12-03 Tlx Technologies Solenoid with improved pull force
US20010002680A1 (en) 1999-01-19 2001-06-07 Philip A. Kummer Modular two part fuel injector
US6409102B1 (en) * 1999-03-15 2002-06-25 Aerosance, Inc. Fuel injector assembly
JP2001050133A (ja) * 1999-08-06 2001-02-23 Hitachi Ltd 電子燃料噴射弁
DE10008554A1 (de) * 2000-02-24 2001-08-30 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US6676044B2 (en) 2000-04-07 2004-01-13 Siemens Automotive Corporation Modular fuel injector and method of assembling the modular fuel injector
RU2170847C1 (ru) * 2000-05-18 2001-07-20 Открытое акционерное общество "Сигнал" Электромагнитная форсунка для двигателя внутреннего сгорания
US6409101B1 (en) * 2000-06-30 2002-06-25 Siemens Automotive Corporation Hollow oversized telescopic needle with armature
US6481646B1 (en) 2000-09-18 2002-11-19 Siemens Automotive Corporation Solenoid actuated 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
US6811091B2 (en) 2000-12-29 2004-11-02 Siemens Automotive Corporation Modular fuel injector having an integral filter and dynamic adjustment 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
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
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
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
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
US6520421B2 (en) 2000-12-29 2003-02-18 Siemens Automotive Corporation Modular fuel injector having an integral filter and o-ring retainer
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
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
US6499677B2 (en) 2000-12-29 2002-12-31 Siemens Automotive Corporation Modular fuel injector having a low mass, high efficiency electromagnetic actuator 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
US6695232B2 (en) 2000-12-29 2004-02-24 Siemens Automotive Corporation Modular fuel injector having interchangeable armature assemblies and having a lift set sleeve
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
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
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
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
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
US6543707B2 (en) 2000-12-29 2003-04-08 Siemens Automotive Corporation Modular fuel injector having a lift set sleeve
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
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
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
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
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
US6676043B2 (en) 2001-03-30 2004-01-13 Siemens Automotive Corporation Methods of setting armature lift in a modular fuel injector
US6904668B2 (en) 2001-03-30 2005-06-14 Siemens Vdo Automotive Corp. Method of manufacturing 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
US6687997B2 (en) 2001-03-30 2004-02-10 Siemens Automotive Corporation Method of fabricating and testing a modular fuel injector
DE10119982A1 (de) 2001-04-24 2002-10-31 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10119984A1 (de) * 2001-04-24 2002-10-31 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
ITBO20010483A1 (it) * 2001-07-27 2003-01-27 Magneti Marelli Powertrain Spa Attuatore elettromagnetico per un iniettore di carburante
JP2003232268A (ja) * 2002-02-08 2003-08-22 Hitachi Ltd 電磁式燃料噴射弁
DE10256662A1 (de) 2002-12-04 2004-06-17 Robert Bosch Gmbh Brennstoffeinspritzventil
JP3819907B2 (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
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
JP4168448B2 (ja) * 2004-07-08 2008-10-22 株式会社デンソー 燃料噴射弁
JP2006022727A (ja) * 2004-07-08 2006-01-26 Aisan Ind Co Ltd 燃料噴射弁
JP4252507B2 (ja) 2004-07-09 2009-04-08 愛三工業株式会社 燃料ポンプ
JP4577654B2 (ja) * 2005-02-10 2010-11-10 株式会社デンソー 電磁駆動装置およびこれを用いた燃料噴射弁
JP2006266231A (ja) * 2005-03-25 2006-10-05 Aisan Ind Co Ltd 燃料噴射弁
DE102005061408A1 (de) 2005-12-22 2007-06-28 Robert Bosch Gmbh Kunststoff-Metall-Verbindung und Brennstoffeinspritzventil mit einer Kraftstoff-Metall-Verbindung
JP2007205234A (ja) * 2006-02-01 2007-08-16 Denso Corp 燃料噴射弁
JP5048617B2 (ja) * 2008-09-17 2012-10-17 日立オートモティブシステムズ株式会社 内燃機関用の燃料噴射弁
JP5178683B2 (ja) * 2009-10-21 2013-04-10 日立オートモティブシステムズ株式会社 電磁式燃料噴射弁
DE102009046466A1 (de) * 2009-11-06 2011-05-12 Robert Bosch Gmbh MIM 2K-Hülse für Einspritzventil
JP5482272B2 (ja) * 2010-02-12 2014-05-07 株式会社デンソー 燃料噴射弁
DE102010041787B4 (de) * 2010-09-30 2022-01-05 Robert Bosch Gmbh Elektromagneteinrichtung sowie Fahrerassistenzeinrichtung
JP5724661B2 (ja) * 2011-06-15 2015-05-27 株式会社デンソー 高圧ポンプおよびその制御方法
DE102012204753A1 (de) * 2012-03-26 2013-09-26 Robert Bosch Gmbh Verfahren zur Herstellung eines Magnetventils
US20140097275A1 (en) * 2012-10-10 2014-04-10 Caterpillar Inc. Fuel injector with nozzle passages having electroless nickel coating
EP2811148B1 (en) * 2013-06-04 2016-03-23 Continental Automotive GmbH Fluid injector for a combustion engine
JP5578258B2 (ja) * 2013-07-16 2014-08-27 株式会社デンソー 燃料噴射弁
DE102014201097A1 (de) * 2014-01-22 2015-07-23 Robert Bosch Gmbh Verfahren zur Herstellung eines Magnetventils
JP5862712B2 (ja) * 2014-06-27 2016-02-16 株式会社デンソー 燃料噴射弁
JP5862713B2 (ja) * 2014-06-27 2016-02-16 株式会社デンソー 燃料噴射弁
WO2016042753A1 (ja) * 2014-09-17 2016-03-24 株式会社デンソー 燃料噴射弁
DE102014220100B3 (de) * 2014-10-02 2016-01-28 Continental Automotive Gmbh Kraftstoffeinspritzventil und Verfahren zum Herstellen eines solchen
DE102014226811A1 (de) * 2014-12-22 2016-06-23 Robert Bosch Gmbh Einspritzventil zur Injektion eines Fluids, Verwendung eines Einspritzventils und Verfahren zur Herstellung eines Einspritzventils
JP6605371B2 (ja) * 2016-03-14 2019-11-13 日立オートモティブシステムズ株式会社 電磁ソレノイド及び燃料噴射弁
JP2018159294A (ja) * 2017-03-22 2018-10-11 株式会社ケーヒン 燃料噴射弁
JP6788085B1 (ja) * 2019-09-20 2020-11-18 株式会社ケーヒン 電磁式燃料噴射弁
CN115441684A (zh) * 2021-06-02 2022-12-06 锐奇控股股份有限公司 无传统定、转子电机的电镐

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1601395A1 (de) * 1968-01-30 1970-10-29 Bosch Gmbh Robert Elektromagnetisch betaetigtes Einspritzventil
FR2466630B1 (fr) * 1979-10-05 1985-06-28 Weber Spa Injecteur a actionnement electromagnetique, pour moteurs a combustion interne
DE3230844A1 (de) * 1982-08-19 1984-02-23 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetisch betaetigbares ventil
IT1175561B (it) * 1984-07-12 1987-07-01 Spica Spa Elettroiniettore perfezionato per alimentare combustibile a un motore a c.i.
US4875658A (en) * 1986-10-08 1989-10-24 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Electromagnetic valve
DE3716072A1 (de) * 1987-05-14 1987-12-17 Bosch Gmbh Robert Elektromagnetisch betaetigbares ventil
DE3810827A1 (de) * 1988-03-30 1989-10-12 Pierburg Gmbh Elektromagnetisches einspritzventil fuer brennkraftmaschinen
DE3810826A1 (de) * 1988-03-30 1989-10-12 Pierburg Gmbh Elektromagnetisches einspritzventil fuer brennkraftmaschinen
IT1250845B (it) * 1991-10-11 1995-04-21 Weber Srl Valvola dosatrice e polverizzatrice di carburante ad azionamento elettromagnetico per un dispositivo di alimentazione di un motore endotermico

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001044652A1 (de) 1999-12-16 2001-06-21 Robert Bosch Gmbh Brennstoffeinspritzventil
US6758419B2 (en) 1999-12-16 2004-07-06 Robert Bosch Gmbh Fuel injector
EP1155231B1 (de) * 1999-12-16 2005-10-26 Robert Bosch Gmbh Brennstoffeinspritzventil
WO2002095215A1 (de) 2001-05-21 2002-11-28 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102008031690B4 (de) * 2007-07-06 2011-06-16 AISAN KOGYO KABUSHIKI KAISHA, Obu-shi Kraftstoffeinspritzventil
DE102008053310A1 (de) 2008-10-27 2010-04-29 Vacuumschmelze Gmbh & Co. Kg Werkstück aus weichmagnetischem Werkstoff mit verschleißfester Beschichtung und Verfahren zur Herstellung des Werkstücks

Also Published As

Publication number Publication date
CN1116871A (zh) 1996-02-14
US5732888A (en) 1998-03-31
CZ197795A3 (en) 1996-05-15
JP3864175B2 (ja) 2006-12-27
RU2131549C1 (ru) 1999-06-10
JP2005337266A (ja) 2005-12-08
CZ285156B6 (cs) 1999-05-12
WO1995016126A1 (de) 1995-06-15
JP3742651B2 (ja) 2006-02-08
CN1049951C (zh) 2000-03-01
JPH08506877A (ja) 1996-07-23
BR9406079A (pt) 1996-01-16
ES2118531T3 (es) 1998-09-16
EP0683862A1 (de) 1995-11-29

Similar Documents

Publication Publication Date Title
EP0683862B1 (de) Elektromagnetisch betätigbares ventil
EP0886727B1 (de) Elektromagnetisch betätigbares ventil
EP0683861B1 (de) Elektromagnetisch betätigbares ventil
EP0772738B1 (de) Elektromagnetisch betätigbares ventil
EP1042606B1 (de) Elektromagnetisch betätigbares ventil
DE69704989T2 (de) Ein elektromagnetisch betätigbares Ventil
EP1966483B1 (de) Elektromagnetisch betätigbares ventil
DE4137994C2 (de) Elektromagnetisch betätigbares Einspritzventil mit einem Düsenträger und Verfahren zur Herstellung eines Düsenträgers eines Einspritzventils
DE4109868A1 (de) Einstellbuchse fuer ein elektromagnetisch betaetigbares ventil und verfahren zur herstellung
EP0558715B1 (de) Elektromagnetisch betätigbares einspritzventil
EP0988447A1 (de) Brennstoffeinspritzventil
DE102005061424A1 (de) Brennstoffeinspritzventil
DE4421935A1 (de) Elektromagnetisch betätigbares Ventil
DE69616448T2 (de) Aufbau eines Magnetspaltes
DE3904447A1 (de) Magnetanker
DE102005039288A1 (de) Verfahren zur Herstellung eines festen Gehäuses
EP2212542B1 (de) Elektromagnetisch betätigbares ventil
EP0937200B1 (de) Elektromagnetisch betätigbares ventil
DE3501973A1 (de) Brennstoff-einspritzduese
DE4108665C2 (de) Einstellbuchse für ein elektromagnetisch betätigbares Ventil
DE3716073A1 (de) Elektromagnetisch betaetigbares ventil
DE102012210956A1 (de) Verfahren zur Herstellung eines Gehäuses, insbesondere eines Ventilgehäuses
DE3716072A1 (de) Elektromagnetisch betaetigbares ventil
DE102005037742A1 (de) Elektromagnetisch betätigbares Ventil

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE ES FR GB IT SE

17P Request for examination filed

Effective date: 19951215

17Q First examination report despatched

Effective date: 19970425

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT SE

REF Corresponds to:

Ref document number: 59406220

Country of ref document: DE

Date of ref document: 19980716

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19980811

ITF It: translation for a ep patent filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2118531

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

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

Ref country code: SE

Payment date: 20041123

Year of fee payment: 11

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

Ref country code: ES

Payment date: 20041125

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051125

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051125

EUG Se: european patent has lapsed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20051125

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

Ref country code: GB

Payment date: 20131122

Year of fee payment: 20

Ref country code: FR

Payment date: 20131119

Year of fee payment: 20

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

Ref country code: IT

Payment date: 20131126

Year of fee payment: 20

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

Ref country code: DE

Payment date: 20140124

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59406220

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20141123

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20141123