DE102005052252A1 - Fuel injecting valve for fuel injection systems of internal-combustion engines, has sensitive actuator whereby components forming valve housing are molded by means of metal injection molding - Google Patents
Fuel injecting valve for fuel injection systems of internal-combustion engines, has sensitive actuator whereby components forming valve housing are molded by means of metal injection molding Download PDFInfo
- Publication number
- DE102005052252A1 DE102005052252A1 DE200510052252 DE102005052252A DE102005052252A1 DE 102005052252 A1 DE102005052252 A1 DE 102005052252A1 DE 200510052252 DE200510052252 DE 200510052252 DE 102005052252 A DE102005052252 A DE 102005052252A DE 102005052252 A1 DE102005052252 A1 DE 102005052252A1
- Authority
- DE
- Germany
- Prior art keywords
- fuel injection
- injection valve
- connecting piece
- valve according
- valve
- 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.)
- Ceased
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
- 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
- F02M51/0685—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 and the valve being allowed to move relatively to each other or not being attached to each other
-
- 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
- F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
- F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic means
-
- 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
- F02M2200/8046—Fuel injection apparatus manufacture, repair or assembly the manufacture involving injection moulding, e.g. of plastic or metal
-
- 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
-
- 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
-
- 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
-
- 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
- H01F7/081—Magnetic constructions
- H01F2007/085—Yoke or polar piece between coil bobbin and armature having a gap, e.g. filled with nonmagnetic material
Abstract
Description
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.
Aus
der
Aus
der
Vorteile der ErfindungAdvantages of invention
Das erfindungsgemäße Brennstoffeinspritzventil mit den kennzeichnenden Merkmalen des Anspruchs 1 hat den Vorteil, dass Bauteile des Ventilgehäuses des Brennstoffeinspritzventils einfach und kostengünstig und dabei mit komplexen Strukturen und einer sehr hohen Funktionsintegration herstellbar sind, da für die Herstellung dieser Bauteile die Prozessschritte des Metal-Injection-Molding-Verfahrens zur Anwendung kommen. In besonders vorteilhafter Weise sind die Bauteile mit einer Vielzahl von Abstufungen und Durchmesserveränderungen an der Außenkontur bzw. in der inneren (Durchström-)Öffnung in einer einzigen MIM-Ausformung darstellbar. Die Bauteile können dabei jeweils für sich im eingebauten Zustand im Brennstoffeinspritzventil Durchfluss-, Träger-, Aufnahme-, Stabilisierungs-, Magnetkreis-, Führungs- und Begrenzungs- und Dichtfunktionen vereinen.The Fuel injection valve according to the invention with the characterizing features of claim 1 has the advantage that components of the valve housing the fuel injection valve simple and inexpensive and with complex structures and a very high functional integration can be produced as for the production of these components the process steps of the metal injection molding process come into use. In a particularly advantageous manner, the Components with a variety of gradations and diameter changes on the outer contour or in the inner (through) opening in a single MIM molding representable. The components can in each case for when installed in the fuel injector flow, Carrier-, Pickup, stabilization, magnetic circuit, guidance and limiting and sealing functions combine.
Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im Anspruch 1 angegebenen Brennstoffeinspritzventils möglich.By in the subclaims listed activities are advantageous developments and improvements of the claim 1 specified fuel injector possible.
Besonders vorteilhaft ist es, einen Anschlussstutzen mit einem als Innenpol eines Magnetkreises dienenden Abschnitt, einen Magnettopf als ein äußeres Magnetbauteil und einen den Ventilsitz umfassenden Düsenkörper als Einzelbauteile des Ventilgehäuses des Brennstoffeinspritzventils auf die erfindungsgemäße Weise auszubilden. In idealer Weise sind zusätzlich zu den Bauteilen des Ventilgehäuses weitere Einzelbauteile des Brennstoffeinspritzventils, wie z.B. die Ventilnadel und/oder der Ventilschließkörper mittels MIM-Verfahren gefertigt.Especially It is advantageous to use a connecting piece with a pole as inner a magnetic circuit serving portion, a magnetic pot as an outer magnetic member and a valve body comprising the nozzle body as individual components of the valve housing of the Form fuel injection valve in the manner of the invention. Ideally are additional to the components of the valve housing further individual components of the fuel injection valve, such. the valve needle and / or the valve closing body by MIM method manufactured.
Zeichnungdrawing
Ausführungsbeispiele der Erfindung sind in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigenembodiments The invention are shown in simplified form in the drawing and explained in more detail in the following description. Show it
Beschreibung der Ausführungsbeispieledescription the embodiments
Ein
in
Das
Brennstoffeinspritzventil
Die
Ventilnadel
Der
Brennstoff wird über
eine zentrale Brennstoffzufuhr
Im
Ruhezustand des Brennstoffeinspritzventils
Wird
der Spulenstrom abgeschaltet, fällt
der Magnetanker
Auf
der stromabwärtigen
Seite des Magnetankers
Erfindungsgemäß ist wenigstens ein Bauteil des Ventilgehäuses mittels MIM-Verfahren hergestellt. Das auch als Metal-Injection-Molding (MIM) bezeichnete Verfahren umfasst die Herstellung von Formteilen aus einem Metallpulver mit einem Bindemittel, z.B. einem Kunststoffbindemittel, die miteinander gemischt und homogenisiert werden, beispielsweise auf konventionellen Kunststoffspritzgießmaschinen und das nachfolgende Entfernen des Bindemittels und Sintern des verbleibenden Metallpulvergerüsts. Die Zusammensetzung des Metallpulvers kann dabei auf einfache Weise auf optimale magnetische und thermische Eigenschaften abgestimmt werden.According to the invention, at least one component of the valve housing is produced by means of the MIM method. Also referred to as Metal Injection Molding (MIM) involves the production of Moldings of a metal powder with a binder, such as a plastic binder, which are mixed and homogenized together, for example, on conventional plastic injection molding and subsequent removal of the binder and sintering of the remaining metal powder scaffold. The composition of the metal powder can be tuned in a simple manner to optimum magnetic and thermal properties.
In
den
Der
in
In
Der
in
Der
in
In
der
Zusätzlich zu
den zuvor beschriebenen Bauteilen des Ventilgehäuses des Brennstoffeinspritzventils
Als
erregbarer Aktuator des Brennstoffeinspritzventils
Die
Erfindung ist nicht auf die dargestellten Ausführungsbeispiele beschränkt und
für beliebige Bauweisen
von Bauteilen des Ventilgehäuses
in Brennstoffeinspritzventilen
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510052252 DE102005052252A1 (en) | 2005-11-02 | 2005-11-02 | Fuel injecting valve for fuel injection systems of internal-combustion engines, has sensitive actuator whereby components forming valve housing are molded by means of metal injection molding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510052252 DE102005052252A1 (en) | 2005-11-02 | 2005-11-02 | Fuel injecting valve for fuel injection systems of internal-combustion engines, has sensitive actuator whereby components forming valve housing are molded by means of metal injection molding |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005052252A1 true DE102005052252A1 (en) | 2007-05-03 |
Family
ID=37912843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510052252 Ceased DE102005052252A1 (en) | 2005-11-02 | 2005-11-02 | Fuel injecting valve for fuel injection systems of internal-combustion engines, has sensitive actuator whereby components forming valve housing are molded by means of metal injection molding |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102005052252A1 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009080671A1 (en) * | 2007-12-21 | 2009-07-02 | Robert Bosch Gmbh | Fuel injection valve |
WO2011076535A1 (en) | 2009-12-22 | 2011-06-30 | Robert Bosch Gmbh | Pole core for magnetic valves produced by means of multi-material mim |
WO2011085884A1 (en) * | 2010-01-15 | 2011-07-21 | Continental Automotive Gmbh | Valve assembly and injection valve |
WO2012019807A1 (en) * | 2010-07-27 | 2012-02-16 | Robert Bosch Gmbh | Magnetic actuator |
EP2466109A1 (en) * | 2010-12-14 | 2012-06-20 | Continental Automotive GmbH | Valve assembly for an injection valve and injection valve |
WO2013000611A1 (en) * | 2011-06-29 | 2013-01-03 | Robert Bosch Gmbh | Component for a magnetic actuator, and method for producing it |
WO2013017320A1 (en) * | 2011-08-03 | 2013-02-07 | Robert Bosch Gmbh | Fuel injector valve |
WO2013060717A1 (en) * | 2011-10-26 | 2013-05-02 | Continental Automotive Gmbh | Valve assembly for an injection valve and injection valve |
WO2016116749A1 (en) * | 2015-01-23 | 2016-07-28 | Sentec Ltd | Solenoid-based fuel injector |
EP3287632A1 (en) * | 2016-08-23 | 2018-02-28 | Continental Automotive GmbH | Valve assembly for an injection valve and injection valve |
DE102017116383A1 (en) * | 2017-07-20 | 2019-01-24 | Liebherr-Components Deggendorf Gmbh | Injector for injecting fuel |
EP3800650A1 (en) * | 2019-10-01 | 2021-04-07 | HUSCO Automotive Holdings LLC | Dual-flanged unitary pole piece and electromagnetic actuator including the dual-flanged unitary pole piece |
-
2005
- 2005-11-02 DE DE200510052252 patent/DE102005052252A1/en not_active Ceased
Cited By (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009080671A1 (en) * | 2007-12-21 | 2009-07-02 | Robert Bosch Gmbh | Fuel injection valve |
US8430078B2 (en) | 2007-12-21 | 2013-04-30 | Robert Bosch Gmbh | Fuel injection valve |
CN102667131A (en) * | 2009-12-22 | 2012-09-12 | 罗伯特·博世有限公司 | Pole core for magnetic valves produced by means of multi-material mim |
WO2011076535A1 (en) | 2009-12-22 | 2011-06-30 | Robert Bosch Gmbh | Pole core for magnetic valves produced by means of multi-material mim |
DE102009055133A1 (en) | 2009-12-22 | 2011-06-30 | Robert Bosch GmbH, 70469 | Pole core for solenoid valves manufactured by means of multi-material MIM |
CN102667131B (en) * | 2009-12-22 | 2016-02-03 | 罗伯特·博世有限公司 | Injection valve and manufacture method thereof |
US9194347B2 (en) | 2009-12-22 | 2015-11-24 | Robery Bosch Gmbh | Pole body for solenoid valves produced by multi-component MIM |
KR101759472B1 (en) * | 2010-01-15 | 2017-07-19 | 콘티넨탈 오토모티브 게엠베하 | Valve assembly and injection valve |
CN102803702B (en) * | 2010-01-15 | 2015-01-28 | 大陆汽车有限公司 | Valve assembly and injection valve |
CN102803702A (en) * | 2010-01-15 | 2012-11-28 | 欧陆汽车有限责任公司 | Valve assembly and injection valve |
WO2011085884A1 (en) * | 2010-01-15 | 2011-07-21 | Continental Automotive Gmbh | Valve assembly and injection valve |
US20120286074A1 (en) * | 2010-01-15 | 2012-11-15 | Matteo Soriani | Valve assembly and injection valve |
US9394868B2 (en) * | 2010-01-15 | 2016-07-19 | Continental Automotive Gmbh | Valve assembly and injection valve |
EP2354528A1 (en) * | 2010-01-15 | 2011-08-10 | Continental Automotive GmbH | Valve assembly and injection valve |
CN103026428B (en) * | 2010-07-27 | 2016-08-31 | 罗伯特·博世有限公司 | Electromagnetic actuators |
US9401236B2 (en) | 2010-07-27 | 2016-07-26 | Robert Bosch Gmbh | Magnetic actuator |
DE102010038437B4 (en) | 2010-07-27 | 2022-08-25 | Robert Bosch Gmbh | Magnetic actuator and method for producing a one-piece pole core for a magnetic actuator |
CN103026428A (en) * | 2010-07-27 | 2013-04-03 | 罗伯特·博世有限公司 | Magnetic actuator |
WO2012019807A1 (en) * | 2010-07-27 | 2012-02-16 | Robert Bosch Gmbh | Magnetic actuator |
EP2466109A1 (en) * | 2010-12-14 | 2012-06-20 | Continental Automotive GmbH | Valve assembly for an injection valve and injection valve |
KR101947368B1 (en) | 2011-06-29 | 2019-02-13 | 로베르트 보쉬 게엠베하 | Component for a magnetic actuator, and method for producing it |
WO2013000611A1 (en) * | 2011-06-29 | 2013-01-03 | Robert Bosch Gmbh | Component for a magnetic actuator, and method for producing it |
US9651163B2 (en) | 2011-06-29 | 2017-05-16 | Robert Bosch Gmbh | Component for a magnetic actuator as well as a method for its manufacture |
CN103620207B (en) * | 2011-06-29 | 2016-10-12 | 罗伯特·博世有限公司 | Parts and manufacture method thereof for electromagnetic actuator |
US9394867B2 (en) | 2011-08-03 | 2016-07-19 | Robert Bosch Gmbh | Fuel injector valve |
WO2013017320A1 (en) * | 2011-08-03 | 2013-02-07 | Robert Bosch Gmbh | Fuel injector valve |
CN103732906A (en) * | 2011-08-03 | 2014-04-16 | 罗伯特·博世有限公司 | Fuel injector valve |
CN103890370B (en) * | 2011-10-26 | 2016-08-24 | 大陆汽车有限公司 | Valve module and injection valve for injection valve |
WO2013060717A1 (en) * | 2011-10-26 | 2013-05-02 | Continental Automotive Gmbh | Valve assembly for an injection valve and injection valve |
US9664161B2 (en) | 2011-10-26 | 2017-05-30 | Continental Automotive Gmbh | Valve assembly for an injection valve and injection valve |
KR20140079510A (en) * | 2011-10-26 | 2014-06-26 | 콘티넨탈 오토모티브 게엠베하 | Valve assembly for an injection valve and injection valve |
CN103890370A (en) * | 2011-10-26 | 2014-06-25 | 大陆汽车有限公司 | Valve assembly for an injection valve and injection valve |
KR101999667B1 (en) | 2011-10-26 | 2019-07-12 | 콘티넨탈 오토모티브 게엠베하 | Valve assembly for an injection valve and injection valve |
WO2016116749A1 (en) * | 2015-01-23 | 2016-07-28 | Sentec Ltd | Solenoid-based fuel injector |
CN109690067A (en) * | 2016-08-23 | 2019-04-26 | 世倍特集团有限责任公司 | Valve module and injection valve for injection valve |
WO2018036826A1 (en) * | 2016-08-23 | 2018-03-01 | Continental Automotive Gmbh | Valve assembly for an injection valve and injection valve |
CN109690067B (en) * | 2016-08-23 | 2021-07-06 | 世倍特集团有限责任公司 | Valve assembly for an injection valve and injection valve |
EP3287632A1 (en) * | 2016-08-23 | 2018-02-28 | Continental Automotive GmbH | Valve assembly for an injection valve and injection valve |
DE102017116383A1 (en) * | 2017-07-20 | 2019-01-24 | Liebherr-Components Deggendorf Gmbh | Injector for injecting fuel |
CN111094737A (en) * | 2017-07-20 | 2020-05-01 | 利勃海尔零部件代根多夫有限公司 | Injector for injecting fuel |
US11319913B2 (en) | 2017-07-20 | 2022-05-03 | Liebherr-Components Deggendorf Gmbh | Injector for injecting fuel |
EP3655641B1 (en) * | 2017-07-20 | 2023-10-04 | Liebherr-Components Deggendorf GmbH | Injector for injecting fuel |
EP3800650A1 (en) * | 2019-10-01 | 2021-04-07 | HUSCO Automotive Holdings LLC | Dual-flanged unitary pole piece and electromagnetic actuator including the dual-flanged unitary pole piece |
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R012 | Request for examination validly filed |
Effective date: 20120817 |
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