EP0683861B1 - Elektromagnetisch betätigbares ventil - Google Patents

Elektromagnetisch betätigbares ventil Download PDF

Info

Publication number
EP0683861B1
EP0683861B1 EP95900659A EP95900659A EP0683861B1 EP 0683861 B1 EP0683861 B1 EP 0683861B1 EP 95900659 A EP95900659 A EP 95900659A EP 95900659 A EP95900659 A EP 95900659A EP 0683861 B1 EP0683861 B1 EP 0683861B1
Authority
EP
European Patent Office
Prior art keywords
core
valve
armature
segment
valve according
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
EP95900659A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0683861A1 (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 DE4421947A external-priority patent/DE4421947A1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0683861A1 publication Critical patent/EP0683861A1/de
Application granted granted Critical
Publication of EP0683861B1 publication Critical patent/EP0683861B1/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
    • 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
    • F02M51/06—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
    • 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

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 spherical is designed to be extremely accurate To reach air gap, being 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 there is a slight wedge-like layer thickness distribution, with a slightly thicker on the outer edges Layer is reached.
  • the layer thickness distribution is physical predefined and can hardly be influenced. After a certain period of operation the stop surface widens due to wear in an undesirable manner, causing changes result in the anchor's pull-in and fall-out times.
  • the electromagnetically actuated valve according to the invention with the characterizing features of the main claim in contrast, the advantage that at least one of the other striking components is designed so that after ensures the creation of a wear-resistant surface is that the stop surface even after a long period of operation not through wear and tear in an undesirable manner is increased so that the pull-in and fall times of movable component remain almost constant. It will achieved that at least one of the striking Components before the wear resistance is created has a stepped surface. This stepped surface can be used to achieve a magnetic and hydraulic optimums to different ones Adjust conditions exactly.
  • the stepped 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 a very small stroke area remains unfulfilled.
  • a particular advantage is that the surface of the stop area at least one of the abutting ones Making components wear-resistant, that they by means of a known method, for. B. a nitriding process such as plasma nitriding or gas nitriding or similar is hardened.
  • Stop area is given if more advantageous Way on at least one serving as a stop Component surface is introduced a step.
  • the impact security is fully guaranteed.
  • a hydraulic gluing is due to the small stop area locked out. Because over the entire life constant contact width is guaranteed to remain as a great advantage the hydraulic conditions in the gap between the striking parts, e.g. B. between core and Anchor, constant.
  • 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 a stepped according to the invention Ankers
  • Figure 4 shows a second embodiment a stepped anchor
  • Figure 5 shows a third embodiment of a tiered 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 the solenoid 1 and in conjunction with one constant core 2 having a special compact design of the injection valve in the area the solenoid 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.
  • For axial movement of the valve needle 19 and thus to open against the spring force of one Return spring 25 or closing of 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 the valve closing body 21 facing away from the end of the valve needle 19 connected by a first weld 28 and on the core 2 aligned.
  • the Core 2 facing away from the end of the valve seat support 16 is in the Longitudinal bore 17 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.
  • adjusting sleeve 48 for example made of rolled spring steel sheet is formed, used to adjust the spring preload 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 strikes the core end 9 of the core 2, shown on a different scale.
  • metallic layers 65 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 extending perpendicular to the valve along the longitudinal axis 10 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.
  • the level of the anchor can 27 before coating or generating wear resistance predetermined in accordance with the required values and be made that when used each achieved a magnetic and hydraulic optimum becomes.
  • the step portion 70 of the end face 67 also allows non-galvanic, wear-resistant Layers, which may also be magnetic, can be applied without the need for a very small stroke area remains unfulfilled.
  • the end face 67 at least in the area of it Stop portion 69, 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.
  • the step section 70 has the consequence that the exact Defined annular stop portion 69 on the End face 67 is formed.
  • the stop section 69 of the upper end face 67 of the armature 27, which serves as a stop now clearly protrudes over a step bottom 71.
  • the protruding, annular stop section 69 with a width b of between 20 and 500 ⁇ m thus serves as a stop, which in the exemplary embodiment according to FIG. 3 lies between the peripheral surface 66 and the stepped section 70 which is formed inwards.
  • This stop section 69 maintains a constant width b over the entire operating time. The abovementioned wear therefore no longer has any influence on the stop surface width or contact width.
  • both the armature 27 and the core 2 are provided with a corresponding step section 70 prior to coating or producing a wear-resistant surface, so that very precisely defined annular stop sections 69 are formed on both abutting sides, such as it shows the figure 3.
  • this step section 70 it is possible to provide this step section 70 only on the core 2, while the armature 27 is given a flat end face, for example. These examples, not shown, will certainly not be used as often; However, the geometry of the step does not represent anything other than the embodiment shown in FIG. 3 on the armature 27.
  • Anchors 27 are shown in FIGS. 4 and 5. It is so conceivable that the stop portion 69 to the valve longitudinal axis 10 is formed on the end face 67, during the Step portion 70 axially offset outward to the peripheral surface 66 lies ( Figure 4). An exemplary embodiment is shown in FIG of the anchor 27 shown, in which the Stop section 69 inside and outside, that is to the peripheral surface 66 and towards the valve longitudinal axis 10, from section sections 70 is surrounded.
  • step section 70 can, as already mentioned, also from the application of Chrome or nickel layers deviating processes to increase quality by improving wear resistance the end face 67 are used. Because of the engagement hardening processes, e.g. Plasma nitriding, gas nitriding or carburizing, through which the surface structure on the anchor 27 and / or core 2 is changed, can even be entirely on Processes for immediate coating can be dispensed with.
  • the engagement hardening processes e.g. Plasma nitriding, gas nitriding or carburizing

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)
EP95900659A 1993-12-09 1994-11-24 Elektromagnetisch betätigbares ventil Expired - Lifetime EP0683861B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4341961 1993-12-09
DE4341961 1993-12-09
DE4421947 1994-06-23
DE4421947A DE4421947A1 (de) 1993-12-09 1994-06-23 Elektromagnetisch betätigbares Ventil
PCT/DE1994/001389 WO1995016125A1 (de) 1993-12-09 1994-11-24 Elektromagnetisch betätigbares ventil

Publications (2)

Publication Number Publication Date
EP0683861A1 EP0683861A1 (de) 1995-11-29
EP0683861B1 true EP0683861B1 (de) 1998-03-04

Family

ID=25931898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95900659A Expired - Lifetime EP0683861B1 (de) 1993-12-09 1994-11-24 Elektromagnetisch betätigbares ventil

Country Status (8)

Country Link
EP (1) EP0683861B1 (ru)
JP (2) JPH08506876A (ru)
CN (1) CN1055524C (ru)
BR (1) BR9406081A (ru)
CZ (1) CZ284430B6 (ru)
ES (1) ES2113722T3 (ru)
RU (1) RU2131992C1 (ru)
WO (1) WO1995016125A1 (ru)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010064097A1 (de) 2010-12-23 2012-06-28 Robert Bosch Gmbh Elektromagnetisch betätigbares Ventil
DE102021212790A1 (de) 2021-11-15 2023-05-17 Robert Bosch Gesellschaft mit beschränkter Haftung Elektromagnetisch betätigbares Ventil und Verfahren zur Herstellung
DE102021212791A1 (de) 2021-11-15 2023-05-17 Robert Bosch Gesellschaft mit beschränkter Haftung Elektromagnetisch betätigbares Ventil und Verfahren zur Herstellung
DE102021213142A1 (de) 2021-11-23 2023-05-25 Robert Bosch Gesellschaft mit beschränkter Haftung Elektromagnetisch betätigbare Vorrichtung und Verfahren zur Herstellung eines Magnetkreisbauteils einer elektromagnetisch betätigbaren Vorrichtung

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10256662A1 (de) * 2002-12-04 2004-06-17 Robert Bosch Gmbh Brennstoffeinspritzventil
JP2003301757A (ja) 2002-04-09 2003-10-24 Aisan Ind Co Ltd 電磁式燃料噴射弁
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
JP2007205234A (ja) 2006-02-01 2007-08-16 Denso Corp 燃料噴射弁
JP2012246789A (ja) * 2011-05-25 2012-12-13 Denso Corp 燃料噴射弁
JP2013072298A (ja) 2011-09-27 2013-04-22 Hitachi Automotive Systems Ltd 燃料噴射弁
JP6087210B2 (ja) 2013-05-24 2017-03-01 日立オートモティブシステムズ株式会社 燃料噴射弁
DE102014200574A1 (de) * 2014-01-15 2015-07-16 Robert Bosch Gmbh Klebfreier Quetschspalt für Ventile mit Tauchanker-Magnetaktorik
EP3118442B1 (en) * 2014-03-14 2020-10-14 Hitachi Automotive Systems, Ltd. Electromagnetic valve
JP6381946B2 (ja) * 2014-04-14 2018-08-29 日立オートモティブシステムズ株式会社 流体制御ソレノイド
JP5862713B2 (ja) * 2014-06-27 2016-02-16 株式会社デンソー 燃料噴射弁
DE102015205430A1 (de) * 2015-03-25 2016-09-29 Robert Bosch Gmbh Elektromagnetisch betätigtes Mengensteuerventil, insbesondere zur Steuerung der Fördermenge einer Kraftstoff-Hochdruckpumpe
JP6137296B2 (ja) * 2015-12-22 2017-05-31 株式会社デンソー 燃料噴射弁
DE102016203083A1 (de) * 2016-02-26 2017-08-31 Robert Bosch Gmbh Magnetventil
JP7358799B2 (ja) * 2018-07-19 2023-10-11 浜名湖電装株式会社 車両用警音器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
JPH0735763B2 (ja) * 1987-05-27 1995-04-19 株式会社日立製作所 耐衝撃性・耐摩耗性に優れた電磁式燃料噴射弁
IT1222137B (it) * 1987-07-27 1990-09-05 Weber Srl Elettroiniettore perfezionato per alimentare combustibile a motori a combustione interna
DE3834447A1 (de) * 1988-10-10 1990-04-12 Mesenich Gerhard Elektromagnetisches einspritzventil und verfahren zu dessen herstellung
DE3834444A1 (de) * 1988-10-10 1990-04-12 Mesenich Gerhard Elektromagnetisches einspritzventil mit membranfeder
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010064097A1 (de) 2010-12-23 2012-06-28 Robert Bosch Gmbh Elektromagnetisch betätigbares Ventil
DE102021212790A1 (de) 2021-11-15 2023-05-17 Robert Bosch Gesellschaft mit beschränkter Haftung Elektromagnetisch betätigbares Ventil und Verfahren zur Herstellung
DE102021212791A1 (de) 2021-11-15 2023-05-17 Robert Bosch Gesellschaft mit beschränkter Haftung Elektromagnetisch betätigbares Ventil und Verfahren zur Herstellung
DE102021213142A1 (de) 2021-11-23 2023-05-25 Robert Bosch Gesellschaft mit beschränkter Haftung Elektromagnetisch betätigbare Vorrichtung und Verfahren zur Herstellung eines Magnetkreisbauteils einer elektromagnetisch betätigbaren Vorrichtung

Also Published As

Publication number Publication date
WO1995016125A1 (de) 1995-06-15
JP2007187167A (ja) 2007-07-26
CN1116870A (zh) 1996-02-14
CZ198095A3 (en) 1996-05-15
EP0683861A1 (de) 1995-11-29
CZ284430B6 (cs) 1998-11-11
BR9406081A (pt) 1996-02-06
RU2131992C1 (ru) 1999-06-20
CN1055524C (zh) 2000-08-16
JPH08506876A (ja) 1996-07-23
ES2113722T3 (es) 1998-05-01
JP4755619B2 (ja) 2011-08-24

Similar Documents

Publication Publication Date Title
EP0683862B1 (de) Elektromagnetisch betätigbares ventil
DE19654322C2 (de) Elektromagnetisch betätigbares Ventil
EP0683861B1 (de) Elektromagnetisch betätigbares ventil
EP1042606B1 (de) Elektromagnetisch betätigbares ventil
EP0937201B1 (de) Elektromagnetisch betätigbares ventil
DE4137994C2 (de) Elektromagnetisch betätigbares Einspritzventil mit einem Düsenträger und Verfahren zur Herstellung eines Düsenträgers eines Einspritzventils
EP1966483B1 (de) Elektromagnetisch betätigbares ventil
WO1996003579A1 (de) Ventilnadel für ein elektromagnetisch betätigbares ventil und verfahren zur herstellung
EP0975868A2 (de) Elektromagnetisch betätigbares ventil
DE4109868A1 (de) Einstellbuchse fuer ein elektromagnetisch betaetigbares ventil und verfahren zur herstellung
EP1062421B1 (de) Brennstoffeinspritzventil
DE4421947A1 (de) Elektromagnetisch betätigbares Ventil
DE69616448T2 (de) Aufbau eines Magnetspaltes
DE112019006597B4 (de) Kraftstoffeinspritzventil
EP0937200B1 (de) Elektromagnetisch betätigbares ventil
EP0675283A1 (de) Einspritzventil
DE4108665C2 (de) Einstellbuchse für ein elektromagnetisch betätigbares Ventil
DE3501973A1 (de) Brennstoff-einspritzduese
DE3716073A1 (de) Elektromagnetisch betaetigbares ventil
DE4018317C1 (ru)
DE102005037742A1 (de) Elektromagnetisch betätigbares Ventil
WO2012076211A1 (de) Schaltventil mit einer magnetischen betätigungseinrichtung
DE4424463A1 (de) Brennstoffeinspritzventil

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: 19970418

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

ET Fr: translation filed
REF Corresponds to:

Ref document number: 59405392

Country of ref document: DE

Date of ref document: 19980409

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2113722

Country of ref document: ES

Kind code of ref document: T3

ITF It: translation for a ep patent filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19980507

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: 59405392

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