DE10220788A1 - Electromagnetic actuator for a gas shuttle valve has a pivoted armature fastened to a positioning tube swiveling on its ends on bearings in side walls of a casing - Google Patents
Electromagnetic actuator for a gas shuttle valve has a pivoted armature fastened to a positioning tube swiveling on its ends on bearings in side walls of a casingInfo
- Publication number
- DE10220788A1 DE10220788A1 DE10220788A DE10220788A DE10220788A1 DE 10220788 A1 DE10220788 A1 DE 10220788A1 DE 10220788 A DE10220788 A DE 10220788A DE 10220788 A DE10220788 A DE 10220788A DE 10220788 A1 DE10220788 A1 DE 10220788A1
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- housing
- tube
- torsion bar
- bearing tube
- 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- Withdrawn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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
- F01L9/21—Valve-gear or valve arrangements actuated non-mechanically by electric means actuated by solenoids
- F01L2009/2105—Valve-gear or valve arrangements actuated non-mechanically by electric means actuated by solenoids comprising two or more coils
- F01L2009/2109—The armature being articulated perpendicularly to the coils axes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Die Erfindung betrifft einen elektromagnetischen Aktuator mit einem Schwenkanker nach dem Oberbegriff des Anspruchs 1. The invention relates to an electromagnetic actuator with a Swing armature according to the preamble of claim 1.
Die DE 199 55 054 A1 zeigt einen gattungsgemäßen Aktuator, der eine vormontierte Einheit aus Schwenkanker und Lagerungsrohr verwendet. Daher muss das Gehäuse des Aktuators mindestens zweiteilig sein und eine abnehmbare Seitenplatte aufweisen. Solche Gehäuse weisen nur eine sehr geringe Steifigkeit auf. DE 199 55 054 A1 shows a generic actuator, the one preassembled unit of swivel armature and bearing tube used. Therefore, the housing of the actuator must be at least two-piece and have a removable side plate. Such housing only a very low rigidity.
Die Aufgabe der Erfindung besteht darin, die Steifigkeit des Gehäuses des Aktuators zu verbessern und gleichzeitig die Drehstabfeder vor Biegebeanspruchungen zu schützen. Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen. The object of the invention is to increase the rigidity of the Enclosure of the actuator to improve and at the same time the torsion bar to protect against bending stresses. The task becomes solved according to the invention by the features of claim 1. advantageous Embodiments and developments of the invention will become apparent from the Dependent claims.
Nach der Erfindung ist das Gehäuse mit seinen Seitenwänden einstückig ausgebildet, so dass es trotz geringer Wandstärken eine große Steifigkeit aufweisen kann. Ferner wird das Lagerungsrohr erst nach der Montage im Gehäuse mit dem Schwenkanker fest verbunden, z. B. verschweißt. Dadurch ist es ohne großen Montageaufwand leicht zu montieren. Da sich das Lagerungsrohr an seinem Ende über Lager am Gehäuse abstützt, nimmt es die Biegekräfte auf, so dass die Drehstabfeder von Biegekräften entlastet ist. According to the invention, the housing is with its side walls formed in one piece, so that it despite a small wall thicknesses a large May have stiffness. Furthermore, the storage tube is after the assembly in the housing firmly connected to the swivel armature, z. B. welded. This makes it easy to do without much installation effort assemble. Since the storage tube at its end via bearings on Housing supports, it absorbs the bending forces, so that the Torsion spring is relieved of bending forces.
Zweckmäßigerweise ist das Lagerungsrohr mit der Drehstabfeder vormontiert in das Gehäuse eingesetzt, wobei die Drehstabfeder mit einem Zentrierbund und einem Flansch an dem Ende über das Lagerungsrohr vorsteht, das nicht mit dem Lagerungsrohr verbunden ist. Der Zentrierbund ist im Gehäuse vorzugsweise über das gleiche Lager geführt, in dem das Lagerungsrohr gelagert ist, während der Flansch mit der Seitenwand nach der Montage verschweißt wird. Conveniently, the bearing tube with the torsion bar spring Pre-assembled in the housing, the torsion bar with a centering collar and a flange at the end over the Projecting tube projecting, which is not connected to the storage tube. Of the Centering collar is in the housing preferably on the same camp guided, in which the storage tube is mounted, while the flange is welded to the side wall after assembly.
Die Lager des Lagerungsrohrs und ein Betätigungsfinger des Schwenkankers können in einfacher Weise gemäß einer Ausgestaltung der Erfindung geschmiert werden. Dazu weist die Seitenwand, an der die Drehstabfeder mit dem Flansch befestigt ist, einen Schmierölkanal auf, durch den Schmieröl über das Lager und einen stirnseitigen Spalt zwischen dem Lagerungsrohr und dem Zentrierbund in einen Zwischenraum zwischen dem Lagerungsrohr und der Drehstabfeder gelangt. Von diesem Zwischenraum aus führt eine Schmierölbohrung durch den Schwenkanker zu einem Betätigungsfinger, der an einem Ventilschaft eines Gaswechselventils anliegt. The bearings of the bearing tube and an actuating finger of the Schwenkankers can easily according to an embodiment of Be lubricated invention. For this purpose, the side wall on which the Torsion bar is attached to the flange, a lubricating oil channel through, through the lubricating oil through the bearing and a frontal Gap between the bearing tube and the centering collar in one Gap between the bearing tube and the torsion bar passes. From this space leads from a lubricating oil hole through the Swing armature to an actuating finger on a valve stem a gas exchange valve is applied.
Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmäßigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen. Further advantages result from the following Drawing description. In the drawing is an embodiment of the invention shown. The description and claims contain numerous Features in combination. The skilled person will become the characteristics expediently also consider individually and to meaningful further Combine combinations.
Es zeigt: It shows:
Fig. 1 einen Aktuator und ein Gaswechselventil in schematischer Darstellung und Fig. 1 shows an actuator and a gas exchange valve in a schematic representation and
Fig. 2 einen Teilschnitt entsprechend der Linie II-II in Fig. 1. Fig. 2 is a partial section corresponding to the line II-II in Fig. 1st
Ein Aktuator 10 besitzt einen oberen Elektromagneten 11 und einen unteren Elektromagneten 12. Diese besitzen jeweils eine Spule 13 bzw. 14 und ein Joch 15 bzw. 16, zwischen denen ein Schwenkanker 17 mittels eines Schwenklagers 18 drehbar gelagert ist. Der Schwenkanker 17 besitzt an einer Seite einen Finger 19, mit dem er ein Gaswechselventil 20 betätigt. Dieses ist mit seinem Ventilschaft 21 in einer Ventilführung 24 in einem Zylinderkopf 27 axial in Bewegungsrichtung 29 verschiebbar geführt. Das Gaswechselventil 20 steuert einen Gaswechselkanal 28, an dessen Mündung ein Ventilsitzring 23 eingelassen ist, an dem ein Ventilteller 22 des Gaswechselventils 20 im geschlossenen Zustand anliegt. Eine Ventilfeder 25 belastet das Gaswechselventil 20 in Schließrichtung. An actuator 10 has an upper electromagnet 11 and a lower electromagnet 12 . These each have a coil 13 and 14 and a yoke 15 and 16 , between which a pivot armature 17 is rotatably supported by a pivot bearing 18 . The pivot armature 17 has on one side a finger 19 , with which he actuates a gas exchange valve 20 . This is guided with its valve stem 21 in a valve guide 24 in a cylinder head 27 axially displaceable in the direction of movement 29 . The gas exchange valve 20 controls a gas exchange channel 28 , at the mouth of a valve seat ring 23 is recessed, on which a valve plate 22 of the gas exchange valve 20 rests in the closed state. A valve spring 25 loads the gas exchange valve 20 in the closing direction.
Der Schwenkanker 17 ist mit einem Lagerungsrohr 31 fest verbunden, das an seinen Enden über Lager 32 in Seitenwänden 44, 45 des einstückigen Gehäuses 30 gelagert ist. Damit der Schwenkanker 17 mit dem Lagerungsrohr 31 montiert werden kann, wird zunächst das Lagerungsrohr 31 mit einer Drehstabfeder 33 vormontiert, die an einem Ende über eine Schweißnaht 34 mit dem Lagerungsrohr 31 verschweißt ist und an ihrem anderen Ende mit einem Zentrierbund 35 und einem Flansch 36 über das Lagerungsrohr 31 vorsteht. Dabei ist zwischen dem Zentrierbund 35 und der Stirnfläche des Lagerungsrohrs 31 ein kleiner Spalt 40 vorgesehen. Die vormontierte Einheit, bestehend aus dem Lagerungsrohr 31 und der Drehstabfeder 33 wird in das Gehäuse 30 eingesetzt, wobei der Zentrierbund 35 im Bereich der Seitenwand 44 im gleichen Lager 32 zentriert wird, in dem das Lagerungsrohr 31 gelagert ist. Im montierten Zustand liegt der Flansch 36 an der Außenseite der Seitenwand 44 des Gehäuses 30 an und wird mit dieser durch eine Schweißnaht 37 verbunden. An das montierte Lagerungsrohr 31 wird nun der Schwenkanker 17 befestigt, z. B. durch Schweißen. The pivot armature 17 is fixedly connected to a bearing tube 31 which is mounted at its ends via bearings 32 in side walls 44 , 45 of the one-piece housing 30 . Thus, the swivel anchor can be mounted 17 to the storage tube 31, the storage tube is first pre-assembled 31 with a torsion spring 33 which is welded at one end by a weld 34 to the storage tube 31 and at its other end with a centering collar 35 and a flange 36 projects beyond the bearing tube 31 . In this case, a small gap 40 is provided between the centering collar 35 and the end face of the bearing tube 31 . The preassembled unit, consisting of the bearing tube 31 and the torsion bar spring 33 is inserted into the housing 30 , wherein the centering collar 35 is centered in the region of the side wall 44 in the same bearing 32 in which the bearing tube 31 is mounted. In the assembled state, the flange 36 abuts against the outside of the side wall 44 of the housing 30 and is connected thereto by a weld 37 . At the mounted storage tube 31 , the pivot armature 17 is now attached, for. B. by welding.
Zur Schmierung der Lager 32 und des Betätigungsfingers 19 ist in der Seitenwand 44 ein Schmierölkanal 38 vorgesehen, der über das Lager 32 und den Spalt 40 mit einem Zwischenraum 39 zwischen dem Lagerungsrohr 31 und der Drehstabfeder 33 verbunden ist. Von diesem führen eine Ablaufbohrung 41 und eine Schmierölbohrung 42 zu dem Finger 19, die an der Kontaktfläche zwischen dem Finger 19 und dem Ventilschaft 21 mündet. For lubrication of the bearing 32 and the actuating finger 19 , a lubricating oil passage 38 is provided in the side wall 44 , which is connected via the bearing 32 and the gap 40 with a gap 39 between the bearing tube 31 and the torsion bar 33 . From this lead a drain hole 41 and a lubricating oil bore 42 to the finger 19 , which opens at the contact surface between the finger 19 and the valve stem 21 .
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10220788A DE10220788A1 (en) | 2002-05-10 | 2002-05-10 | Electromagnetic actuator for a gas shuttle valve has a pivoted armature fastened to a positioning tube swiveling on its ends on bearings in side walls of a casing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10220788A DE10220788A1 (en) | 2002-05-10 | 2002-05-10 | Electromagnetic actuator for a gas shuttle valve has a pivoted armature fastened to a positioning tube swiveling on its ends on bearings in side walls of a casing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10220788A1 true DE10220788A1 (en) | 2003-11-20 |
Family
ID=29265203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10220788A Withdrawn DE10220788A1 (en) | 2002-05-10 | 2002-05-10 | Electromagnetic actuator for a gas shuttle valve has a pivoted armature fastened to a positioning tube swiveling on its ends on bearings in side walls of a casing |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10220788A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1749981A1 (en) * | 2005-08-04 | 2007-02-07 | Toyota Jidosha Kabushiki Kaisha | Electromagnetically driven valve |
US7418931B2 (en) | 2005-08-02 | 2008-09-02 | Toyota Jidosha Kabushiki Kaisha | Electromagnetically driven valve |
US7428887B2 (en) | 2005-08-02 | 2008-09-30 | Toyota Jidosha Kabushiki Kaisha | Electromagnetically driven valve |
US7430996B2 (en) | 2005-07-27 | 2008-10-07 | Toyota Jidosha Kabushiki Kaisha | Electromagnetically driven valve |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3739891A1 (en) * | 1987-11-25 | 1989-06-08 | Porsche Ag | DEVICE FOR ACTUATING A GAS EXCHANGE VALVE |
DE3616540C2 (en) * | 1986-05-16 | 1989-11-30 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De | |
DE19955079A1 (en) * | 1998-11-16 | 2000-05-25 | Heinz Leiber | Electromagnetic drive for operation of i.c. engine valve has armature and cooperating electromagnets each provided with depth to width ratio of greater than 1.5 |
DE19955054A1 (en) * | 1998-11-16 | 2000-08-17 | Heinz Leiber | Electromagnetic actuator with torsion spring connected to lever by tube and extending partly into tube |
DE19948207A1 (en) * | 1999-10-07 | 2001-04-12 | Heinz Leiber | Electromagnetic actuator has armature with at least some magnetic lamellas and at least some that engage armature tube and are connected to it in a shape- and/or force-locking manner |
DE19955067A1 (en) * | 1999-11-15 | 2001-05-17 | Heinz Leiber | Electromagnetic actuator for driving valve in internal combustion engine incorporates lever with swivel bearings and two counter-opposed spring forces for supporting rotor |
DE10000045A1 (en) * | 2000-01-02 | 2001-07-05 | Leiber Heinz | Electromagnetic actuator |
DE10002295A1 (en) * | 2000-01-20 | 2001-07-26 | Heinz Leiber | Electromagnet has yoke side plates mounted on lateral surface, preferably outer lateral surface, and over depth of surface, yoke lamellas attached to yoke side plates |
DE10002628A1 (en) * | 2000-01-22 | 2001-07-26 | Heinz Leiber | Electromagnetic actuator for operating an internal combustion engine's valves has two electromagnets with two-pole yokes each with a coil causing the electromagnets to work with a lever connected to a rotor tube |
DE10039869A1 (en) * | 2000-08-16 | 2002-02-28 | Heinz Leiber | Electromagnet has yoke side plates mounted on lateral surface, preferably outer lateral surface, and over depth of surface, yoke lamellas attached to yoke side plates |
-
2002
- 2002-05-10 DE DE10220788A patent/DE10220788A1/en not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3616540C2 (en) * | 1986-05-16 | 1989-11-30 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De | |
DE3739891A1 (en) * | 1987-11-25 | 1989-06-08 | Porsche Ag | DEVICE FOR ACTUATING A GAS EXCHANGE VALVE |
DE19955079A1 (en) * | 1998-11-16 | 2000-05-25 | Heinz Leiber | Electromagnetic drive for operation of i.c. engine valve has armature and cooperating electromagnets each provided with depth to width ratio of greater than 1.5 |
DE19955054A1 (en) * | 1998-11-16 | 2000-08-17 | Heinz Leiber | Electromagnetic actuator with torsion spring connected to lever by tube and extending partly into tube |
DE19948207A1 (en) * | 1999-10-07 | 2001-04-12 | Heinz Leiber | Electromagnetic actuator has armature with at least some magnetic lamellas and at least some that engage armature tube and are connected to it in a shape- and/or force-locking manner |
DE19955067A1 (en) * | 1999-11-15 | 2001-05-17 | Heinz Leiber | Electromagnetic actuator for driving valve in internal combustion engine incorporates lever with swivel bearings and two counter-opposed spring forces for supporting rotor |
DE10000045A1 (en) * | 2000-01-02 | 2001-07-05 | Leiber Heinz | Electromagnetic actuator |
DE10002295A1 (en) * | 2000-01-20 | 2001-07-26 | Heinz Leiber | Electromagnet has yoke side plates mounted on lateral surface, preferably outer lateral surface, and over depth of surface, yoke lamellas attached to yoke side plates |
DE10002628A1 (en) * | 2000-01-22 | 2001-07-26 | Heinz Leiber | Electromagnetic actuator for operating an internal combustion engine's valves has two electromagnets with two-pole yokes each with a coil causing the electromagnets to work with a lever connected to a rotor tube |
DE10039869A1 (en) * | 2000-08-16 | 2002-02-28 | Heinz Leiber | Electromagnet has yoke side plates mounted on lateral surface, preferably outer lateral surface, and over depth of surface, yoke lamellas attached to yoke side plates |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7430996B2 (en) | 2005-07-27 | 2008-10-07 | Toyota Jidosha Kabushiki Kaisha | Electromagnetically driven valve |
US7418931B2 (en) | 2005-08-02 | 2008-09-02 | Toyota Jidosha Kabushiki Kaisha | Electromagnetically driven valve |
US7428887B2 (en) | 2005-08-02 | 2008-09-30 | Toyota Jidosha Kabushiki Kaisha | Electromagnetically driven valve |
EP1749981A1 (en) * | 2005-08-04 | 2007-02-07 | Toyota Jidosha Kabushiki Kaisha | Electromagnetically driven valve |
US7418932B2 (en) | 2005-08-04 | 2008-09-02 | Toyota Jidosha Kabushiki Kaisha | Electromagnetically driven valve |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: DAIMLERCHRYSLER AG, 70327 STUTTGART, DE |
|
8127 | New person/name/address of the applicant |
Owner name: DAIMLER AG, 70327 STUTTGART, DE |
|
8141 | Disposal/no request for examination |