DE102007050814A1 - Fuel injection valve for use in fuel injection system of internal combustion engine in motor vehicle, has non-magnetic intermediate part with inner bore hole whose internal diameter extends from fastening region to point of guiding region - Google Patents
Fuel injection valve for use in fuel injection system of internal combustion engine in motor vehicle, has non-magnetic intermediate part with inner bore hole whose internal diameter extends from fastening region to point of guiding region Download PDFInfo
- Publication number
- DE102007050814A1 DE102007050814A1 DE102007050814A DE102007050814A DE102007050814A1 DE 102007050814 A1 DE102007050814 A1 DE 102007050814A1 DE 102007050814 A DE102007050814 A DE 102007050814A DE 102007050814 A DE102007050814 A DE 102007050814A DE 102007050814 A1 DE102007050814 A1 DE 102007050814A1
- Authority
- DE
- Germany
- Prior art keywords
- intermediate part
- fuel injection
- injection valve
- core
- area
- 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.)
- Granted
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
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
- F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
-
- 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
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)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Stand der TechnikState of the art
Die Erfindung geht aus von einem Brennstoffeinspritzventil nach der Gattung des Hauptanspruchs.The The invention is based on a fuel injection valve after Genus of the main claim.
In
der
Aus
der
Bekannt
sind des weiteren aus der
Vorteile der ErfindungAdvantages of the invention
Das erfindungsgemäße Brennstoffeinspritzventil mit den kennzeichnenden Merkmalen des Hauptanspruchs hat den Vorteil, dass auf besonders einfache und kostengünstige Art und Weise eine magnetische Trennung im Magnetkreis des Brennstoffeinspritzventils erzielt ist. Das nichtmagnetische Zwischenteil zeichnet sich in seiner Dimensionierung und Ausgestaltung als besonders Bauraum sparendes Bauteil aus. Das Zwischenteil ist erfindungsgemäß mit einer sehr einfachen geometrischen Form ausgebildet, wobei das ringförmige, dünnwandige Zwischenteil einen konstanten Innendurchmesser seiner zylindrischen inneren Bohrung aufweist und der konstante Innendurchmesser des Zwischenteils wenigstens von einem ersten Befestigungsbereich des Zwischenteils am Kern bis hin zu einem Führungsbereich des Zwischenteils für den Anker verläuft. Dieses Zwischenteil ist durch seine Ausgestaltung besonders einfach montierbar.The inventive fuel injection valve with the characterizing features of the main claim has the advantage that in a particularly simple and cost-effective way and Way a magnetic separation in the magnetic circuit of the fuel injection valve achieved. The non-magnetic intermediate part is characterized in its dimensioning and design as a particularly space-saving Component off. The intermediate part is according to the invention formed a very simple geometric shape, wherein the annular, thin-walled intermediate part of a constant inner diameter of his cylindrical inner bore and the constant inner diameter of the intermediate part at least from a first attachment region of the Intermediate part at the core up to a guidance area of the intermediate part for the armature runs. This Intermediate part is particularly easy to install due to its design.
Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im Hauptanspruch angegebenen Brennstoffeinspritzventils möglich.By the measures listed in the dependent claims are advantageous developments and improvements of the main claim specified fuel injector possible.
Besonders vorteilhaft ist es, einen zweiten Befestigungsbereich des Zwischenteils am Anschlussteil ringstegförmig auszubilden, der dabei einen ebenfalls ringstegförmigen dünnwandigen, zum Zwischenteil hin ragenden Fortsatz des Anschlussteils umgibt. Der zweite Befestigungsbereich und der Fortsatz greifen dabei so ineinander, dass sich die Wandstärke des Führungsbereichs in dem Überlappungsbereich fortsetzt, um eine ausreichende Stabilität des gesamten metallenen Innenrohrs des Brennstoffeinspritzventils sicher zu gewährleisten.Especially It is advantageous to have a second fastening region of the intermediate part form annular web-shaped on the connecting part, the case a likewise annular web-shaped thin-walled, surrounds to the intermediate part protruding extension of the connecting part. The second attachment area and the extension engage in this way into each other, that increases the wall thickness of the guide area in the overlap area continues to a sufficient Stability of the entire metal inner tube of the fuel injection valve to ensure safe.
Zeichnungdrawing
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigenOne Embodiment of the invention is in the drawing shown simplified and in the following description in more detail explained. Show it
Beschreibung des AusführungsbeispielsDescription of the embodiment
Das
in der
Mit
einem unteren Kernende
Die
Betätigung des Einspritzventils erfolgt in bekannter Weise
elektromagnetisch. Zur axialen Bewegung der Ventilnadel
Der
kugelförmige Ventilschließkörper
Um
den Magnetfluss zur optimalen Betätigung des Ankers
Das
Einspritzventil ist weitgehend mit einer Kunststoffumspritzung
Um
eine passgenaue Einpassung des Zwischenteils
Ausgehend
von dem Führungsbereich
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 19532865 A1 [0002] - DE 19532865 A1 [0002]
- - DE 3502287 A1 [0003] - DE 3502287 A1 [0003]
- - DE 4237405 C2 [0004] - DE 4237405 C2 [0004]
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007050814.1A DE102007050814B4 (en) | 2007-10-24 | 2007-10-24 | Fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007050814.1A DE102007050814B4 (en) | 2007-10-24 | 2007-10-24 | Fuel injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE102007050814A1 true DE102007050814A1 (en) | 2009-04-30 |
| DE102007050814B4 DE102007050814B4 (en) | 2019-10-02 |
Family
ID=40490110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102007050814.1A Active DE102007050814B4 (en) | 2007-10-24 | 2007-10-24 | Fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102007050814B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2703634A1 (en) * | 2012-09-04 | 2014-03-05 | Continental Automotive GmbH | Valve assembly for an injection valve and injection valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3502287A1 (en) | 1985-01-24 | 1986-07-24 | Robert Bosch Gmbh, 7000 Stuttgart | METHOD FOR PRODUCING A ROTATIONALLY SYMMETRICAL HOUSING, IN PARTICULAR A VALVE HOUSING |
| DE4237405C2 (en) | 1991-12-17 | 1996-10-17 | Mitsubishi Electric Corp | Fuel injection device for an internal combustion engine and method for producing a solid core for this injection device |
| DE19532865A1 (en) | 1995-09-06 | 1997-03-13 | Bosch Gmbh Robert | Fuel injector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6431474B2 (en) | 1999-05-26 | 2002-08-13 | Siemens Automotive Corporation | Compressed natural gas fuel injector having magnetic pole face flux director |
| US7407119B2 (en) | 2004-05-19 | 2008-08-05 | Continental Automotive Systems Us, Inc. | Magnetic circuit using negative magnetic susceptibility |
-
2007
- 2007-10-24 DE DE102007050814.1A patent/DE102007050814B4/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3502287A1 (en) | 1985-01-24 | 1986-07-24 | Robert Bosch Gmbh, 7000 Stuttgart | METHOD FOR PRODUCING A ROTATIONALLY SYMMETRICAL HOUSING, IN PARTICULAR A VALVE HOUSING |
| DE4237405C2 (en) | 1991-12-17 | 1996-10-17 | Mitsubishi Electric Corp | Fuel injection device for an internal combustion engine and method for producing a solid core for this injection device |
| DE19532865A1 (en) | 1995-09-06 | 1997-03-13 | Bosch Gmbh Robert | Fuel injector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2703634A1 (en) * | 2012-09-04 | 2014-03-05 | Continental Automotive GmbH | Valve assembly for an injection valve and injection valve |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007050814B4 (en) | 2019-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed |
Effective date: 20140703 |
|
| R084 | Declaration of willingness to licence | ||
| R016 | Response to examination communication | ||
| R018 | Grant decision by examination section/examining division | ||
| R020 | Patent grant now final |