EP2561523B1 - Bistable magnetic actuator - Google Patents
Bistable magnetic actuator Download PDFInfo
- Publication number
- EP2561523B1 EP2561523B1 EP11722720.7A EP11722720A EP2561523B1 EP 2561523 B1 EP2561523 B1 EP 2561523B1 EP 11722720 A EP11722720 A EP 11722720A EP 2561523 B1 EP2561523 B1 EP 2561523B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- magnetic
- armature
- generated
- permanent magnet
- flux
- 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.)
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- 230000005291 magnetic effect Effects 0.000 title claims description 89
- 238000004804 winding Methods 0.000 claims description 50
- 230000004907 flux Effects 0.000 claims description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 230000005284 excitation Effects 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 2
- 241000725175 Caladium bicolor Species 0.000 description 1
- 235000015966 Pleurocybella porrigens Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
- H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/24—Parts rotatable or rockable outside coil
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- 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
- H01F7/14—Pivoting armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2236—Polarised relays comprising pivotable armature, pivoting at extremity or bending point of armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
Definitions
- the invention relates to a bistable magnetic actuator with a polarized parallel circuit, wherein between the outer legs of a U-shaped soft iron yoke, a flat permanent magnet is integrated, which carries a soft iron middle leg and applied to the center leg rocker armature with a permanent magnetically generated magnetic flux, and wherein on each outer leg a separately controllable excitation winding Umschwenkimpulse for the rocker armature from a permanent magnetic self-holding pivotal position in the other provides.
- a similar generic magnetic actuator is state of the art in the utility model DE 20 2004 012 292 U1 described.
- Bistable, bipolar magnetic actuators can assume two stable swing states when de-energized. They often consist of a parallel circuit of two magnetic circuits made of soft iron parts for guiding a magnetic flux, one or more electromagnetic excitation windings and at least one permanent magnet, which generates forces via one or more air gaps on a magnet armature in the two magnetic circuits and tie these powerless in two stable layers can.
- the pivoting of the magnet armature is essentially determined by the interaction between the flux generated by the excitation windings and the permanent magnet fluxes by the soft magnetic parallel circuits.
- the invention has for its object to provide an energy-efficient bistable magnetic actuator with a simple low-weight and low-volume construction and high switching power density, which is particularly suitable for bistable relays high switching capacity.
- the magnetic actuator according to the invention a particularly energy-efficient pivoting of the rocker armature is achieved from one pivotal position to the other, which is particularly advantageous for magnetic actuators, which must meet strict external conditions in space, power and control force.
- adding magnetic fluxes are generated over the open armature air gap of that parallel circuit in which the actively controlled exciter winding is arranged according to the invention with a permanent magnetic magnetic flux opposing electromagnetic flux displaced the permanent magnet magnetic flux from the closed via the armature wing parallel circuit in the other parallel circuit.
- a DC voltage pulse is applied to the excitation winding, which lies in the parallel circuit with the closed armature air gap, in such a way that the electromagnetic flux against the permanent magnetic magnetic flux acts, causing it commutes in the parallel circuit with the open armature air gap.
- the resulting permanent magnetic force effect which is composed of the additional portion of the permanent magnet generated by the flow over the open armature air gap and from the commutated permanent magnetic magnetic flux, causes the switching of the rocker armature in its other stable switching position.
- each of the two parallel magnetic circuits advantageously has a very low magnetic resistance at each closed armature air gap, since the permanent magnet arranged in the center leg is kept extremely flat due to its high coercive force and high remanence and thus represents a very low magnetic resistance.
- the U-shaped yoke with its two outer legs is made in one piece, which additionally reduces the magnetic resistance over known arrangements with a composite U-shaped yoke.
- the Wippankerlager works very efficiently by rolling friction on metallic surfaces.
- the actuator has as a supporting part a U-shaped soft iron yoke 1, on the outer legs 2, 3 separately controllable exciter winding 4, 5 sit.
- An extremely flat but strong permanent magnet 6 carries a Soft iron middle leg 7. This creates an E-shaped magnetic core.
- On the middle leg 7 a slightly V-shaped bent rocker 8 is mounted.
- the E-shaped magnetic core represents with the rocker armature starting from the center leg 7 is a parallel circuit of the armature air column.
- At one end of the rocker arm 8 carries an actuator 9 for example, a contact system of a bipolar relay.
- this permanently magnetically generated tributary 11 is weaker than the permanent magnetic magnetic flux 11 on the left side of the magnetic actuator, since a comparatively low permanent magnetically generated tributary 11 sets through the open air gap 12 to the rocker armature 8 due to its high magnetic resistance.
- an electromagnetic flux 13 is briefly generated via the excitation current in the left parallel circuit. With a corresponding winding direction of the excitation winding 4 and polarity of the voltage pulse, the electromagnetic flux 13 is directed against the permanent-magnetic magnetic flux 10 in the left parallel circle, as shown in FIG Fig. 2 is shown by arrows.
- the permanent magnet generated magnetic flux 10 is displaced from the left parallel circuit in the right parallel circuit. He commutes in the right parallel circle and exerts on the right wing of the rocker armature 8 from a magnetic attraction, the rocker armature 8 in a clockwise direction to turn around.
- Fig. 3 the second stable position of the rocker armature 8 is shown.
- the permanent magnetically generated magnetic flux 10 in the now right parallel circle fixes the rocker armature 8 in this second pivoting position.
- a permanently magnetically generated tributary flows through the open armature air gap 12.
- a counterclockwise swinging takes place in an equivalent manner with pulse-like energization of the field winding 5.
- FIG. 4 a magnetic actuator for a bistable switching relay is shown in an exploded view.
- the U-shaped soft iron yoke 1 is punched with its two yoke legs 2, 3 in one piece from a soft iron sheet and bent.
- a permanent magnet 6 is arranged, which in turn carries a soft iron middle leg 7.
- On the yoke legs 2, 3 sit energizing windings 4, 5, which are supported by an insulating body 14.
- the excitation windings 4, 5 are suitably wound in a folded over at least one film hinge insulator 14 in a single operation to bring out the inner coil ends.
- the four ends of the field windings 4, 5 are soldered to three winding terminals 15, the two inner winding ends being commonly connected to the middle terminal. In this way, the two field windings 4, 5 are separately controllable and flows in opposite directions from the exciter current.
- On the middle leg 7 of the rocker armature 8 is cut-mounted.
- Such an armature bearing is very low friction and therefore consumes only a small switching energy.
- the magnetic force of the extremely thin but strong permanent magnet 6 is sufficient to hold all four ferromagnetic components 1, 6, 7 and 8, so a separate holder is not essential. Only the rocker armature 8 is guided laterally by the insulating body 14 and otherwise holds by the force of the permanent magnet 6.
- a resilient actuator 9 On a wing of the rocker armature 8 is a resilient actuator 9 is arranged, which operates on a non-illustrated transmission element on a contact system of a switching relay. ever after switching position of the rocker armature 8 closes or opens the relay its primary circuit. But there are also other applications for almost any positioning tasks possible.
- the magnetic actuator can be miniaturized very well and in particular builds very flat. Moreover, due to its few parts, it is inexpensive and lightweight. Switching from one switch position to the other requires, as to Figures 1 - 3 is stated, only little energy.
- FIG. 5 is the magnetic actuator after Fig. 4 shown again in an assembled state in a perspective view, wherein the same reference numerals are used from the preceding drawings.
- the attached to the rocker arm 8 actuator 9 is designed resiliently and depending on the direction of the attacking force has two different spring characteristics. In order to obtain an actuation with an initial force> 0, it is advantageous that the resilient actuator 9 biased on the rocker armature 8 is attached.
- FIGS. 6 and 7 is also one asymmetric Umschwenkkraft generated with one and the same parallel magnetic circuit arrangement.
- a pivoting movement of a rocker armature is carried out in one direction with a greater force than a pivoting movement in the other direction.
- This may be useful, for example, for relays of high switching capacity where a possible welding of an actuated relay contact is to be achieved or where an increased bias voltage is to be applied to a relay contact.
- This is achieved according to the invention while maintaining the symmetry of the mechanical arrangement of the magnetic actuator by means of an asymmetrical arrangement of the field windings.
- the rocker armature should be tightened by the right parallel circuit of a magnetic core and swing over.
- the permanent magnetically generated magnetic flux is displaced from the right outer leg into the left outer leg and adds there to the permanently magnetically generated tributary.
- the rocker arm pivots counterclockwise, which now forms a permanently magnetically generated tributary on the right parallel circle and holds a permanent magnetically generated magnetic flux via the left parallel circle the rocker arm without power in another stable position. If the start of this movement is supported by an external force such as a spring, the coil 3 can be carried out with only a few turns.
- this winding configuration is as in FIG. 6 and 7 represented by a winding process feasible, starting at the middle winding connection via the left to the right winding connection.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
Die Erfindung betrifft einen bistabilen Magnetaktor mit einem polarisierten Parallelkreis, wobei zwischen den Außenschenkeln eines U-förmigen Weicheisenjochs ein flacher Permanentmagnet integriert ist, der einen Weicheisenmittelschenkel trägt und einen auf dem Mittelschenkel gelagerten Wippanker mit einem dauermagnetisch erzeugten Magnetfluss beaufschlagt, und wobei auf jedem Außenschenkel eine getrennt ansteuerbare Erregerwicklung Umschwenkimpulse für den Wippanker von einer dauermagnetisch selbsthaltenden Schwenkstellung in die andere liefert. Ein ähnlicher gattungsbildender Magnetaktor ist zum Stand der Technik in der Gebrauchsmusterschrift
Bistabile, bipolare Magnetaktoren können im stromlosen Zustand zwei stabile Schwenkzustände einnehmen. Sie bestehen häufig aus einer Parallelschaltung zweier magnetischer Kreise aus Weicheisenteilen zur Führung eines magnetischen Flusses, einer oder mehreren elektromagnetischen Erregerwicklungen und mindestens einem Permanentmagnet, welcher über einen oder mehrere Luftspalte auf einen Magnetanker in den beiden Magnetkreisen Kräfte erzeugt und diesen in beiden stabilen Lagen leistungslos fesseln kann. Das Umschwenken des Magnetankers wird im Wesentlichen von der Wechselwirkung zwischen dem von den Erregerwicklungen generierten Fluss und den dauermagnetischen Flüssen durch die weichmagnetischen Parallelkreise bestimmt.Bistable, bipolar magnetic actuators can assume two stable swing states when de-energized. They often consist of a parallel circuit of two magnetic circuits made of soft iron parts for guiding a magnetic flux, one or more electromagnetic excitation windings and at least one permanent magnet, which generates forces via one or more air gaps on a magnet armature in the two magnetic circuits and tie these powerless in two stable layers can. The pivoting of the magnet armature is essentially determined by the interaction between the flux generated by the excitation windings and the permanent magnet fluxes by the soft magnetic parallel circuits.
Gemäß der bereits genannten gattungsgemäßen
Auf dem beschriebenen Prinzip beruhen viele bekannte Magnetaktoren für elektromagnetische Antriebssysteme mit einer umsteuerbaren oder mit zwei getrennt steuerbaren Erregerwicklungen, beispielsweise gemäß
Es sind ferner aus beispielsweise
Der Erfindung liegt die Aufgabe zugrunde, einen energieeffizienten bistabilen Magnetaktor mit einfachem gewichts- und volumenarmen Aufbau und hoher Umschalt- Leistungsdichte zu schaffen, der sich insbesondere für bistabile Relais hoher Schaltleistung eignet.The invention has for its object to provide an energy-efficient bistable magnetic actuator with a simple low-weight and low-volume construction and high switching power density, which is particularly suitable for bistable relays high switching capacity.
Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 erfüllt. Vorteilhafte Weiterbildungen geben die begleitenden Ansprüche an. Insbesondere soll in einer vorteilhaften weiteren Ausgestaltung mit ein und derselben Magnetkreisanordnung auch eine asymmetrische Umschwenkkraft erzeugbar sein.The object is achieved by the features of
Mit dem erfindungsgemäßen Magnetaktor wird ein besonders energieeffizientes Umschwenken des Wippankers von einer Schwenkstellung in die andere erreicht, was insbesondere für Magnetaktoren von Vorteil ist, welche strengen äußeren Rahmenbedingungen an Bauraum, Stellenergie und Stellkraft genügen müssen. Im Gegensatz zu den vorbekannten Aktoren, bei welchen aktive Reluktanzkräfte und damit Umschwenkkräfte durch vom Dauermagnet und der Erregerwicklung verursachte gleichgerichtete, sich addierende magnetische Flüsse über den offenen Ankerluftspalt desjenigen Parallelkreises erzeugt werden, in welchem die aktiv angesteuerte Erregerwicklung angeordnet ist, wird erfindungsgemäß mit einem dem dauermagnetischen Magnetfluss entgegen gerichteten elektromagnetischen Fluss der dauermagnetische Magnetfluss aus dem über den Ankerflügel geschlossenen Parallelkreis in den anderen Parallelkreis verdrängt. Hierzu wird an die Erregerwicklung, die im Parallelkreis mit dem geschlossenen Ankerluftspalt liegt, ein Gleichspannungsimpuls in der Weise gelegt, dass der elektromagnetische Fluss entgegen dem dauermagnetischen Magnetfluss wirkt, wodurch dieser in den Parallelkreis mit dem offenen Ankerluftspalt kommutiert. Die resultierende dauermagnetische Kraftwirkung, die sich aus dem zusätzlichen Anteil des dauermagnetisch erzeugten Nebenflusses über den offenen Ankerluftspalt und dem aus dem kommutierten dauermagnetischen Magnetfluss zusammensetzt, bewirkt das Umschalten des Wippankers in seine andere stabile Schaltstellung.With the magnetic actuator according to the invention, a particularly energy-efficient pivoting of the rocker armature is achieved from one pivotal position to the other, which is particularly advantageous for magnetic actuators, which must meet strict external conditions in space, power and control force. In contrast to the previously known actuators in which active reluctance forces and thus Umschwenkkräfte caused by the permanent magnet and the exciter winding rectified, adding magnetic fluxes are generated over the open armature air gap of that parallel circuit in which the actively controlled exciter winding is arranged according to the invention with a permanent magnetic magnetic flux opposing electromagnetic flux displaced the permanent magnet magnetic flux from the closed via the armature wing parallel circuit in the other parallel circuit. For this purpose, a DC voltage pulse is applied to the excitation winding, which lies in the parallel circuit with the closed armature air gap, in such a way that the electromagnetic flux against the permanent magnetic magnetic flux acts, causing it commutes in the parallel circuit with the open armature air gap. The resulting permanent magnetic force effect, which is composed of the additional portion of the permanent magnet generated by the flow over the open armature air gap and from the commutated permanent magnetic magnetic flux, causes the switching of the rocker armature in its other stable switching position.
Es sei herausgestellt, dass jeder der beiden parallelen Magnetkreise vorteilhaft bei jeweils geschlossenem Ankerluftspalt einen sehr geringen magnetischen Widerstand besitzt, da der im Mittelschenkel angeordnete Permanentmagnet aufgrund seiner hohen Koerzitivfeldstärke und hohen Remanenz extrem flach gehalten ist und so einen sehr geringen magnetischen Widerstand darstellt. Das U-förmige Joch mit seinen beiden Außenschenkeln ist einteilig hergestellt, wodurch zusätzlich der magnetische Widerstand gegenüber bekannten Anordnungen mit einem zusammengesetzten U-förmigen Joch sinkt. Das Wippankerlager arbeitet durch Rollreibung auf metallischen Oberflächen sehr effizient.It should be pointed out that each of the two parallel magnetic circuits advantageously has a very low magnetic resistance at each closed armature air gap, since the permanent magnet arranged in the center leg is kept extremely flat due to its high coercive force and high remanence and thus represents a very low magnetic resistance. The U-shaped yoke with its two outer legs is made in one piece, which additionally reduces the magnetic resistance over known arrangements with a composite U-shaped yoke. The Wippankerlager works very efficiently by rolling friction on metallic surfaces.
Die Erfindung soll anhand eines Ausführungsbeispiels näher erläutert werden. In den zugehörigen Zeichnungen zeigen:
- Fig. 1 bis Fig. 3
- Wirkungsweise eines erfindungsgemäßen Magnetaktors,
- Fig. 4
- einen Magnetaktor in einer Explosionsdarstellung,
- Fig. 5
- den Magnetanker in perspektivischer Ansicht und
- Fig. 6 und Fig. 7
- eine Variante einer asymmetrischen Erzeugung einer Umschaltkraft.
- Fig. 1 to Fig. 3
- Operation of a Magnetaktors invention,
- Fig. 4
- a magnetic actuator in an exploded view,
- Fig. 5
- the magnet armature in perspective view and
- Fig. 6 and Fig. 7
- a variant of an asymmetric generation of a switching force.
In den
Wird jetzt gemäß
In
Der Magnetaktor lässt sich sehr gut Miniaturisieren und baut insbesondere sehr flach. Aufgrund seiner wenigen Einzelteile wird er überdies kostengünstig und leicht. Das Umschalten von einer Schaltstellung in die andere erfordert, wie zu den
In
Gemäß einer weiteren Ausgestaltung nach den
Gemäß
According to
Anhand der
Auch für eine Wicklungskonfiguration mit einer Zusatzwicklung werden, wie zeichnerisch dargestellt, nur drei Wicklungsanschlüsse benötigt, wobei jeweils nur an zwei Pole ein Steuergleichspannungsimpuls gelegt wird. Zugleich ist diese Wicklungskonfiguration wie in
- 1 U-förmiges Weicheisenjoch1 U-shaped soft iron yoke
- 2 linker Jochschenkel2 left yoke legs
- 3 rechter Jochschenkel3 right yoke legs
- 4 linke Erregerwicklung4 left excitation winding
- 5 rechte Erregerwicklung5 right excitation winding
- 6 Permanentmagnet6 permanent magnet
- 7 Weicheisenmittelschenkel7 soft iron middle legs
- 8 Wippanker8 rocker anchors
- 9 Betätigungsglied9 actuator
- 10 dauermagnetisch erzeugter Magnetfluss durch einen Parallelkreis10 permanent magnetically generated magnetic flux through a parallel circuit
- 11 dauermagnetisch erzeugter Nebenfluss durch einen Parallelkreis11 permanently magnetically generated tributary flow through a parallel circuit
- 12 Ankerluftspalt12 anchor air gap
- 13 elektromagnetischer Fluss durch den Magnetkreis13 electromagnetic flux through the magnetic circuit
- 14 Isolierkörper für die Erregerwicklungen14 insulating body for the excitation windings
- 15 Wicklungsanschlüsse für die Erregerwicklungen15 winding connections for the exciter windings
Claims (7)
- Bistable magnetic actuator having a polarized magnetic circuit and parallel working air gaps (12), with a flat permanent magnet (6) being integrated between the outer legs (2, 3) of a U-shaped soft iron yoke (1), which magnet carries a soft iron central leg (7) and applies a magnetic flux generated by the permanent magnet to a rocker armature (8) supported by the soft iron central leg (7), and with a separately controllable excitation winding (4, 5) on each outer leg (2, 3) providing pivoting pulses for the rocker armature (8) to change from one permanent-magnetically latched rocker position to the other, characterized by a wiring configured such that when a magnetic flux (10) is generated by the excitation winding (4) of the same magnetic circuit but in a direction opposite to the magnetic flux (13) generated by the permanent magnet, the magnetic flux (13) generated by the permanent magnet and leading through the magnetic circuit closed by the rocking armature (8) commutates into the parallel magnetic circuit branch of the electromagnetically unexcited excitation winding (5), thereby pivoting the rocking armature (8) with the assistance of the secondary flux (11) generated by the permanent magnet in this parallel circuit (10).
- Bistable magnetic actuator according to claim 1, characterized in that an additional excitation winding is applied to one of the outer legs (2, 3), which winding is wired and wound such as to be excited at the same time as the excitation winding (4, 5) on the other outer leg (2, 3) to generate an assisting electromagnetic flux in the same direction as the magnetic flux (10) generated by the permanent magnet, in order to pivot the rocking armature (8) towards this magnetic circuit, thereby obtaining a force intensification in this direction.
- Bistable magnetic actuator according to claim 1 or 2, characterized in that it is applied in switching relays of high switching capacity.
- Bistable magnetic actuator according to any of the claims 1 to 3, characterized in that the U-shaped soft iron yoke (1) is manufactured as a one-piece punched and bent soft iron part.
- Bistable magnetic actuator according to any of the claims 1 to 4, characterized in that the excitation windings (4, 5) wound in one process are seated on a two-piece insulating body (14) linked by at least one film hinge.
- Bistable magnetic actuator according to any of the claims 1 to 5, characterized in that an actuation member (9) attached to the rocking armature (8) is designed to be resilient and has two different characteristic curves of resilience depending on the direction of the applied force.
- Bistable magnetic actuator according to claim 6, characterized in that the resilient actuation member (9) is attached to the rocking armature (8) in a preloaded manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201130735T SI2561523T1 (en) | 2010-04-21 | 2011-04-06 | Bistable magnetic actuator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010017874A DE102010017874B4 (en) | 2010-04-21 | 2010-04-21 | Bistable magnetic actuator |
PCT/DE2011/000371 WO2011131167A2 (en) | 2010-04-21 | 2011-04-06 | Bistable magnetic actuator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2561523A2 EP2561523A2 (en) | 2013-02-27 |
EP2561523B1 true EP2561523B1 (en) | 2015-11-11 |
Family
ID=44116185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP11722720.7A Active EP2561523B1 (en) | 2010-04-21 | 2011-04-06 | Bistable magnetic actuator |
Country Status (9)
Country | Link |
---|---|
US (1) | US8461951B2 (en) |
EP (1) | EP2561523B1 (en) |
CN (1) | CN102859618B (en) |
BR (1) | BR112013008688A2 (en) |
DE (1) | DE102010017874B4 (en) |
ES (1) | ES2558749T3 (en) |
RU (1) | RU2547815C2 (en) |
SI (1) | SI2561523T1 (en) |
WO (1) | WO2011131167A2 (en) |
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-
2010
- 2010-04-21 DE DE102010017874A patent/DE102010017874B4/en not_active Expired - Fee Related
-
2011
- 2011-04-06 SI SI201130735T patent/SI2561523T1/en unknown
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- 2011-04-06 BR BR112013008688A patent/BR112013008688A2/en not_active Application Discontinuation
- 2011-04-06 RU RU2012139664/07A patent/RU2547815C2/en not_active IP Right Cessation
- 2011-04-06 CN CN201180020320.8A patent/CN102859618B/en not_active Expired - Fee Related
- 2011-04-06 EP EP11722720.7A patent/EP2561523B1/en active Active
- 2011-04-06 WO PCT/DE2011/000371 patent/WO2011131167A2/en active Application Filing
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SI2561523T1 (en) | 2016-03-31 |
WO2011131167A3 (en) | 2011-12-29 |
CN102859618B (en) | 2016-05-04 |
DE102010017874A1 (en) | 2011-10-27 |
WO2011131167A2 (en) | 2011-10-27 |
EP2561523A2 (en) | 2013-02-27 |
RU2012139664A (en) | 2014-05-27 |
RU2547815C2 (en) | 2015-04-10 |
US20130076462A1 (en) | 2013-03-28 |
DE102010017874B4 (en) | 2013-09-05 |
US8461951B2 (en) | 2013-06-11 |
BR112013008688A2 (en) | 2022-03-03 |
CN102859618A (en) | 2013-01-02 |
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