DE102008010561A1 - Injection valve with Magnetverklebung - Google Patents
Injection valve with Magnetverklebung Download PDFInfo
- Publication number
- DE102008010561A1 DE102008010561A1 DE200810010561 DE102008010561A DE102008010561A1 DE 102008010561 A1 DE102008010561 A1 DE 102008010561A1 DE 200810010561 DE200810010561 DE 200810010561 DE 102008010561 A DE102008010561 A DE 102008010561A DE 102008010561 A1 DE102008010561 A1 DE 102008010561A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- housing
- adhesive
- cohesive connection
- magnetic assembly
- 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.)
- Withdrawn
Links
- 238000002347 injection Methods 0.000 title description 9
- 239000007924 injection Substances 0.000 title description 9
- 239000000446 fuel Substances 0.000 claims abstract description 24
- 239000000853 adhesive Substances 0.000 claims description 22
- 230000001070 adhesive effect Effects 0.000 claims description 22
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229920006332 epoxy adhesive Polymers 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 229910000915 Free machining steel Inorganic materials 0.000 claims 1
- 239000007769 metal material Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 238000005538 encapsulation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005304 joining Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
-
- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/128—Encapsulating, encasing or sealing
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8038—Fuel injection apparatus manufacture, repair or assembly the assembly involving use of adhesives, glue or the like
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)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Die Erfindung bezieht sich auf eine Magnetbaugruppe (10) eines Magnetventils, insbesondere zur Betätigung eines Kraftstoffinjektors, mit einem Gehäuse (12, 16) sowie einem Magnetkern (28) und einer Magnetspule (26), die über elektrische Kontaktelemente (32) kontaktiert werden. Das Gehäuse (16) ist einteilig ausgebildet. In diesem ist zumindest der Magnetkern (28) stoffschlüssig (76) befestigt.The invention relates to a magnet assembly (10) of a solenoid valve, in particular for actuating a fuel injector, comprising a housing (12, 16) and a magnet core (28) and a magnet coil (26) which are contacted via electrical contact elements (32). The housing (16) is integrally formed. In this at least the magnetic core (28) is firmly bonded (76) attached.
Description
Stand der TechnikState of the art
Es ist ein Common-Rail-Kraftstoffinjektor mit einem zweiteiligen Anker bekannt, der durch ein Magnetventil betätigt wird. Der Anker übt im stromlosen Falle die Schließkraft auf eine Ventilkugel aus. Wird der Elektromagnet bestromt, bewegt sich der Anker um den Ankerhub nach oben, entgegen der auf die Ventilkugel wirkenden Schließkraft, so dass ein Abströmventil öffnet. Eine Ankerführung, die fest im Injektorkörper des Kraftstoffinjektors verschraubt ist, nimmt den Ankerbolzen auf. Auf dem Ankerbolzen wird die Ankerplatte geführt, die ihrerseits vom Elektromagneten angezogen wird. Der Ankerbolzen kann aufgrund des Führungsspiels in der Ankerführung verkippen. Die Ankerplatte ihrerseits kann auf dem Ankerbolzen verkippen, so dass sich die Gesamtkippung der Baugruppe Ankerbolzen/Ankerplatte in Bezug auf die Injektorhauptachse als Summe der Führungsspiele bestimmen lässt.It is a common rail fuel injector with a two piece armature known, which is actuated by a solenoid valve. Of the Anchor exerts the closing force in the currentless case on a valve ball. If the electromagnet is energized, moves the armature moves upwards towards the armature stroke, opposite to the valve ball acting closing force, so that opens a discharge valve. An anchor guide fixed in the injector body bolted to the fuel injector, takes on the anchor bolt. On the anchor bolt, the anchor plate is guided, which in turn is attracted by the electromagnet. The anchor bolt may be due tilt the guide game in the anchor guide. The anchor plate in turn can tilt on the anchor bolt, so that the total tilt of the assembly anchor bolt / anchor plate with respect to the injector main axis as the sum of the leadership games determine.
Derzeit werden elektrische Anschlussstecker am Ende der Montagelinie im Wege des Kunststoffspritzgießens in der Regel durch Umspritzungen hergestellt. Um die Ventilfunktion nicht nachteilig zu beeinflussen, ist der Prozessdruck sehr gering zu halten. Daraus wiederum ergeben sich Probleme hinsichtlich der Maßhaltigkeit der spritzzugießenden Kunststoffstecker. Des Weiteren ist derzeit für jede Steckervariante ein eigenes Spritzwerkzeug erforderlich. Dies bedeutet, dass für jeden Steckertyp zumindest ein Spritzwerkzeug je Linie und Steckertyp vorzuhalten ist, was nicht unerhebliche Kosten verursacht. Des Weiteren fuhrt ein Wechsel der Spritzwerkzeuge zu Rüstkosten sowie Problemen aufgrund eines dann diskontinuierlichen Betriebes einer Kunststoffspritzgussanlage.Currently Electrical connector at the end of the assembly line in the Ways of plastic injection molding usually by encapsulation produced. In order not to adversely affect the valve function, the process pressure is very low. In turn result Problems with the dimensional accuracy of the injection-molded plastic plug. Furthermore, there is currently one for each plug variant Injection mold required. This means that for everyone Plug type at least one injection tool per line and plug type vorzuhalten is what causes not inconsiderable costs. Furthermore leads a change of the injection molds to setup costs and problems due to a then discontinuous operation of a plastic injection molding plant.
Offenbarung der ErfindungDisclosure of the invention
Erfindungsgemäß wird vorgeschlagen, metallische Fügepartner, so zum Beispiel das Gehäuse des Magnetventils sowie die Magnetbaugruppe, Magnetkern und Magnetspule umfassend, mittels Klebstoff zu fügen. Derartige Lösungen sind bisher nur aus Anwendungen ohne Kraftstoffkontakt bekannt, so zum Beispiel aus der Elektromotorenfertigung. Werden anstelle von UV-härtenden Klebstoffen medienresistente Alternativprodukte als Klebstoffe eingesetzt, so ist der Einsatz in Einspritzventilen, die Medien wie zum Beispiel Kraftstoff führen, möglich.According to the invention proposed, metallic joining partners, so for example the housing of the solenoid valve and the magnet assembly, Magnetic core and magnetic coil comprising to add by means of adhesive. Such solutions are so far only from applications without Fuel contact known, so for example from the electric motor production. Become instead of UV-curing adhesives media-resistant Alternative products used as adhesives, so is the use in injectors that carry media such as fuel, possible.
Durch den Einsatz der Klebetechnik lässt sich die Magnetbaugruppe, Magnetkern und Magnetspule umfassend, in ein einteilig ausgebildetes Gehäuse fügen. Die Kombination von Formschluss, Anpressen durch Bördeln, die ein zweiteiliges Gehäusekonzept erforderte, kann entfallen, ferner die damit einhergehenden Prozessschritte. Das Einsparpotenzial der erfindungsgemäß vorgeschlagenen Lösung der Klebung ergibt sich durch Reduzierung der Teileanzahl sowie eine größere Freiheit bei der Werkstoffauswahl und Minimierung der erforderlichen Prozessschritte.By the use of adhesive technology can be the magnet assembly, Magnetic core and magnetic coil comprising, in a one-piece trained Add housing. The combination of positive locking, Pressing by crimping, which is a two-part housing concept required, can be omitted, and the associated process steps. The potential savings of the invention proposed Solution of the bond is obtained by reducing the number of parts and greater freedom in material selection and minimizing the required process steps.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Anhand der Zeichnung wird die Erfindung nachstehend eingehender beschrieben.Based In the drawings, the invention will be described below in more detail.
Es zeigt:It shows:
Der
Darstellung gemäß
Alternativ
zu viskosen Klebstoffen können zur Vereinfachung der Prozessabläufe
bei geeigneter geometrischer Ausbildung der Dichtgeometrie zwischen
den elektrischen Kontaktierungselementen
Der
Klebstoff, aus welchem die stoffschlüssige Verbindung
Die
Abdichtwirkung und die Isolationswirkung des Klebstoffes an der
stoffschlüssigen Verbindung
Bei
der erfindungsgemäß vorgeschlagenen Lösung
wird durch die Abdichtung mittels der stoffschlüssigen
Verbindung
Die
Klebschichtdicke, die Klebelänge sowie die Oberfläche
der miteinander zu fügenden Partner, d. h. des Materials
der Durchführungen
Anstelle
der in
Die
Magnethülse
Den
Darstellungen gemäß der
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 19650865 A1 [0001] - DE 19650865 A1 [0001]
- - WO 03/038844 A1 [0003] WO 03/038844 A1 [0003]
- - DE 19714812 A1 [0004] DE 19714812 A1 [0004]
Claims (8)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200810010561 DE102008010561A1 (en) | 2008-02-22 | 2008-02-22 | Injection valve with Magnetverklebung |
| PCT/EP2009/050845 WO2009103593A1 (en) | 2008-02-22 | 2009-01-26 | Injection valve with adhesively bonded magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200810010561 DE102008010561A1 (en) | 2008-02-22 | 2008-02-22 | Injection valve with Magnetverklebung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102008010561A1 true DE102008010561A1 (en) | 2009-09-03 |
Family
ID=40592049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200810010561 Withdrawn DE102008010561A1 (en) | 2008-02-22 | 2008-02-22 | Injection valve with Magnetverklebung |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102008010561A1 (en) |
| WO (1) | WO2009103593A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013224770A1 (en) | 2013-12-03 | 2015-06-03 | Robert Bosch Gmbh | fuel injector |
| EP4343189A4 (en) * | 2021-07-27 | 2024-10-16 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | SOLENOID DEVICE AND SOLENOID VALVE OF A FUEL INJECTION DEVICE |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2538066A1 (en) * | 2011-06-20 | 2012-12-26 | Delphi Technologies Holding S.à.r.l. | Assembly for an electrically operated valve |
| DE102012224415B4 (en) * | 2012-12-27 | 2026-01-15 | Robert Bosch Gmbh | Solenoid valve with pressed-in sealing element |
| CN107670181B (en) * | 2017-11-06 | 2019-08-27 | 中国科学院近代物理研究所 | A Tilt Solenoid for a Gantry Magnet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19650865A1 (en) | 1996-12-07 | 1998-06-10 | Bosch Gmbh Robert | magnetic valve |
| DE19714812A1 (en) | 1997-04-10 | 1998-10-15 | Bosch Gmbh Robert | Solenoid |
| WO2003038844A1 (en) | 2001-10-22 | 2003-05-08 | Robert Bosch Gmbh | Size-reduced magnet coil carrier |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7077381B2 (en) * | 2001-07-31 | 2006-07-18 | Caterpillar Inc. | Desensitizing armature air gap to component distortion in a fuel injector |
| DE102005039554A1 (en) * | 2005-08-22 | 2007-03-01 | Robert Bosch Gmbh | Method for producing a solid housing |
| ATE509377T1 (en) * | 2006-05-03 | 2011-05-15 | Delphi Tech Holding Sarl | METHOD FOR COVERING AN ACTUATOR |
| DE102007012184A1 (en) * | 2006-08-02 | 2008-02-07 | Continental Teves Ag & Co. Ohg | Electromagnet for fuel injecting valve, has base plate lying at surface turned away from armature and connected with housing against surface of pole turned away from armature, where pole has recess adjusted to size of electrical coil |
| DE102007009963A1 (en) * | 2007-03-01 | 2008-09-04 | Robert Bosch Gmbh | Fuel injector for use with magnetic valve, has magnetic head with sleeve body, where sleeve body has magnetic core and magnetic coil, and magnetic coil is electrically connected through connector pins |
-
2008
- 2008-02-22 DE DE200810010561 patent/DE102008010561A1/en not_active Withdrawn
-
2009
- 2009-01-26 WO PCT/EP2009/050845 patent/WO2009103593A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19650865A1 (en) | 1996-12-07 | 1998-06-10 | Bosch Gmbh Robert | magnetic valve |
| DE19714812A1 (en) | 1997-04-10 | 1998-10-15 | Bosch Gmbh Robert | Solenoid |
| WO2003038844A1 (en) | 2001-10-22 | 2003-05-08 | Robert Bosch Gmbh | Size-reduced magnet coil carrier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013224770A1 (en) | 2013-12-03 | 2015-06-03 | Robert Bosch Gmbh | fuel injector |
| EP4343189A4 (en) * | 2021-07-27 | 2024-10-16 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | SOLENOID DEVICE AND SOLENOID VALVE OF A FUEL INJECTION DEVICE |
| US12473880B2 (en) | 2021-07-27 | 2025-11-18 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Solenoid device and electromagnetic valve for fuel injection system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009103593A1 (en) | 2009-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |