EP2176525A1 - Actuating device - Google Patents

Actuating device

Info

Publication number
EP2176525A1
EP2176525A1 EP08784975A EP08784975A EP2176525A1 EP 2176525 A1 EP2176525 A1 EP 2176525A1 EP 08784975 A EP08784975 A EP 08784975A EP 08784975 A EP08784975 A EP 08784975A EP 2176525 A1 EP2176525 A1 EP 2176525A1
Authority
EP
European Patent Office
Prior art keywords
actuating
unit
elements
actuating device
operations
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
Application number
EP08784975A
Other languages
German (de)
French (fr)
Other versions
EP2176525B1 (en
Inventor
Markus Lengfeld
Jens Meintschel
Thomas Stolk
Martin Stroer
Alexander Von Gaisberg-Helfenberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
Daimler AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daimler AG filed Critical Daimler AG
Publication of EP2176525A1 publication Critical patent/EP2176525A1/en
Application granted granted Critical
Publication of EP2176525B1 publication Critical patent/EP2176525B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L2013/0052—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements

Definitions

  • the invention relates to an actuating device according to the preamble of claim 1.
  • an actuating device in which an energizing operation of a coil, an actuating operation of an actuating element is carried out.
  • the invention has for its object to perform with the help of an operating unit with the saving of space, components and costs in a reliable operation operations of multiple actuators.
  • the object is achieved in each case by the features of the independent claims, wherein further embodiments of the invention can be taken from the subclaims.
  • the invention is based on an actuating device with at least one electric and / or electromagnetic actuating unit.
  • Actuating unit is to be understood as meaning in particular a unit which carries out at least one actuation operation on the basis of at least one electrical and / or electromagnetic process
  • An actuation process should in particular be understood to mean a process in which one unit and / or one element relative to another Unit and / or another element is moved.
  • An "actuating element” is to be understood as meaning in particular an element which is involved in an actuation process. ⁇ br/> ⁇ br/> ⁇ br/> Under an electrical and / or electromagnetic "state” in particular values of a current density vector component and / or an electromagnetic field strength sensor and / or a charge density within the actuating device and in particular at the remaining spatial points in conjunction with the space coordinates belonging to the values.
  • the actuating element is "associated" with the actuating operation, whereby “two actuating operations are assigned to two actuating elements” is to be understood as meaning in each case one actuating operation in each case one actuating element assigned.
  • different electrical and / or electromagnetic states are meant in particular states which differ in that at least one component of the current density vector and / or the electromagnetic field strength sensor and / or the charge density have different signs at a spatial point the actuator are made compact.
  • the actuation processes are associated with different current flow directions that represent different electrical states in the above-mentioned sense.
  • a "current flow direction” is to be understood as meaning, in particular, a direction of a current flow, which can be used to save an electrical and / or electromagnetic component, which may be, in particular, a coil and / or a coil unit.
  • the actuating unit has at least one coil unit which is provided for energizing with different current flow directions.
  • provided is intended to be understood in particular to be specially equipped and / or designed With a corresponding inventive design, a simple construction of the actuating unit can be achieved.
  • the actuating unit has at least one acceleration unit, which is provided to accelerate at least one of the actuating elements.
  • An "acceleration of an actuating element” should in particular be understood to mean an acceleration of the actuating element relative to at least one part of the acceleration unit and / or relative to at least one part of the actuating unit, which may be a coil in particular become.
  • the acceleration unit is at least partially identical to a coil unit of the actuating unit.
  • at least one of the actuating elements has an active magnetic element.
  • An "active magnetic element” is to be understood in particular as meaning both an electromagnetic element and a permanent magnet, so that actuation processes of different actuation elements can be initiated in a simple manner.
  • actuation processes are assigned identical actuation directions, wherein the actuation processes associated with identical actuation directions are assigned to two different actuation elements.
  • An "actuating direction" is to be understood in particular as meaning a direction in which an actuating element is moved relative to parts of the actuating unit and / or the coil unit during an actuating operation and is moved in a particularly advantageous manner by the coil unit be executed.
  • the actuating unit comprises at least one magnetic, electrical and / or electromagnetic stabilizing element, which is intended to effect a retention of at least one of the actuating elements in at least one stable position.
  • an actuating operation can be extended in time.
  • the actuating unit has an active magnetic element which is at least partially identical to the stabilizing element.
  • the actuating unit has a securing unit which is provided to allow one of the actuating operations at an operating time exclusively one of the actuating elements. This can be prevented in particular a possible simultaneous operation operations destroying at least one actuating element and / or actuated by an actuator component.
  • the actuating unit has at least one coil unit and at least one active magnetic element, which together at least partially form the securing unit. This can be achieved with a guarantee of safe operation, a simple construction.
  • the actuating unit has at least one mechanical, pneumatic and / or hydraulic energy storage element which is provided to accelerate at least one actuating element during an actuating operation.
  • the actuating unit has at least one mechanical, pneumatic and / or hydraulic energy storage element which is provided to accelerate at least one actuating element during an actuating operation.
  • the actuating device according to the invention is suitable for various fields of use that appear appropriate to the person skilled in the art, but the actuating device is particularly advantageous
  • Fig. 3 is a section through the actuator
  • Fig. 4 is a section through the actuator.
  • FIG. 1 shows a section through an actuating device with an electrical and electromagnetic actuating unit 10.
  • the actuating unit 10 has two actuating elements 12, 14.
  • the actuating elements 12, 14 each have a main extension direction, wherein the two main directions of extension are identical to one another.
  • the actuating elements 12, 14 each have at one end an active magnetic element 20, 21, which is designed as a permanent magnet.
  • the two ends of the active elements 20, 21 face each other.
  • An extension of a south pole 36 to a north pole 38 of the active element 20 points in the same direction as an extension of a north pole 42 to a south pole 40 of the active element 21, for which reason the two active elements 20, 21 are oppositely poled.
  • the active elements 20, 21 each have the shape of a straight hollow cylinder.
  • Base and top surfaces of the hollow cylinder are perpendicular to the main directions of extension.
  • the bases of the hollow elements designed as active elements 20, 21 are located in a common plane. This plane intersects a coil unit 16 which has a coil 17 (FIG. 3).
  • the coil unit 16 is further cut from a mid-perpendicular to two centers of mass of the active elements 20, 21, which is parallel to the bases.
  • the coil unit 16 is arranged next to the active elements 20, 21 such that by means of a through the coil 17th generated magnetic field forces on the active elements 20, 21 are exercisable.
  • the actuating elements 12, 14 have identical actuating directions 22, 24, which extend parallel to their main extension direction and from the active elements 20, 21 in each case to an opposite end of the active elements 20, 21.
  • the actuating unit 10 thus comprises an acceleration unit 18, which is partially identical to the coil unit 16. If the coil 17 (FIG. 3) is energized in a current flow direction opposite to the current flow direction, the other actuating elements 12, 14 are accelerated relative to the coil unit 16 due to the opposite polarity of the active elements 20, 21.
  • Movement of one of the actuators 12, 14 relative to the coil unit 16 in the actuation directions 22, 24 is an actuation associated with the moving actuator 12, 14. Since the actuators 12, 14 are accelerated by means of different current flow directions, the actuation processes are associated with different current flow directions.
  • a current flow direction represents an electric and electromagnetic state of the operating unit 10. Accordingly, two operating operations performed by the different operating elements 12, 14 of the operating unit 10 are associated with at least two of the different electrical and electromagnetic states of the operating unit 10.
  • One of the actuating operations carried out by one of the actuators 12, 14 is associated with this actuator 12, 14.
  • the two Actuators 12, 14 carry out their associated actuation operations in the same direction of actuation 22, 24. Accordingly, at least two of the actuation operations are associated with the identical actuation directions 22, 24, wherein the identical actuation directions 22, 24 associated with actuation operations two different of the actuators 12, 14 are assigned.
  • the actuating unit 10 comprises two magnetic, electrical and electromagnetic stabilizing elements 26, 27.
  • the stabilizing elements 26 and 27 are intended to effect the retention of the actuating elements 12 and 14 in at least one stable position 28 and 29, respectively.
  • the stabilizing elements 26 and 27 are identical to the active elements 20, 21.
  • a movement of the actuating elements 12, 14 relative to the coil unit 16 is limited in the operating direction 22 by surfaces of a wrapping unit 46.
  • the wrapping unit 46 encloses the actuators 12, 14. Since the surfaces are at least partially formed of a material that can exert a force on a permanent magnet, the active elements 20, 21 are attracted to the surfaces and an underlying material and so in one stable position 34 ( Figure 4) held.
  • a movement of one of the actuating elements 12, 14 in the opposite direction of the actuating direction 22 is limited by a holding unit 44, which is connected to the coil unit 16. Since the holding unit 44 is at least partially formed of a material which can exert a force on a permanent magnet, the stabilizing element 26, 27 causes by means of a force exerted on it by the holding unit 44 a retention of the actuating element 12, 14 in the maximum in the Counter direction of the actuating direction 22 deflected stable position 28, 29th
  • the actuating unit 10 After an actuating operation of one of the actuating elements 12, 14, the relevant actuating element 12, 14 is moved back into the stable position 28 or 29 again. Thereafter, energization of the coil (FIG. 3) takes place with a current flow direction which is opposite to the current flow direction which was used to accelerate the actuating element 12, 14.
  • the actuating unit 10 therefore has a securing unit 30 in the form of the coil 17 (FIG. 3) and the active elements 20, 21, which is provided to permit one of the actuating operations at a time of operation of only one of the actuating elements 12, 14.
  • the actuating unit 10 has two designed as helical springs mechanical
  • Energy storage elements 32, 33 which are intended to accelerate the actuating elements 12, 14 relative to the coil unit in the actuation operations.
  • the coil springs are disposed between the actuators 12, 14 and the support unit 44 and, when the actuators 12, 14 are in the stable positions 28, 29, are in a compressed state.
  • one of the energy storage elements 32, 33 decompresses and accelerates one of the actuation elements 12, 14.
  • FIG. 2 shows a top view of an actuating device in the operating direction 22.
  • the holding unit 44 partially covers the coil unit 16, the wrapping unit 46 and the actuating elements 12, 14.
  • Two closed half-planes 48, 50 are shown in the FIGURE projected.
  • the half-planes 48, 50 intersect in a straight line bounding the two half-planes 48, 50 in planes in which the half-planes 48, 50 extend.
  • the straight line cuts the coil unit in the middle.
  • the half-plane 48 intersects the actuating element 14 in the center, the other half-plane 50 intersects the actuating element 12 in the center.
  • FIG. 3 shows the actuating device in a section along the half-planes 48, 50 (FIG. 2), so that the coil unit 16 and the actuating elements 12, 14 are visible.
  • the coil unit 16 has the coil 17.
  • the actuators 12, 14 are in the stable positions 28, 29.
  • the coil 17 may carry current at one location in a direction orthogonal to the direction of actuation 22 (FIG. 1) and thus initiate an actuation operation of one of the actuators 12, 14.
  • the coil 17 may also conduct in the opposite direction to the orthogonal direction current, thereby triggering an actuation operation of the other actuator 12, 14.
  • FIG. 4 shows the actuating device in a section as shown in FIG.
  • the actuating element 12 is completely deflected in the actuating direction 22. It is therefore arranged in the stable position 34.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromagnets (AREA)
  • Valve Device For Special Equipments (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

The invention relates to an actuating device having at least one electrical and/or electromagnetic actuation unit (10). The invention proposes that at least two activation sequences performed by different actuation elements (12, 14) of the actuation unit (10) be associated with at least two different electrical and/or electromagnetic states of the actuation unit (10).

Description

BetätigungsVorrichtung actuator
Die Erfindung betrifft eine Betätigungsvorrichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to an actuating device according to the preamble of claim 1.
Aus der DE 102 11 395 Al ist eine Betätigungsvorrichtung bekannt, bei welcher aufgrund eines Bestromens einer Spule ein Betätigungsvorgang eines Betätigungselements ausgeführt wird.From DE 102 11 395 Al an actuating device is known, in which an energizing operation of a coil, an actuating operation of an actuating element is carried out.
Der Erfindung liegt die Aufgabe zugrunde, mit Hilfe einer Betätigungseinheit unter Einsparung von Bauraum, Bauelementen und Kosten bei einer zuverlässigen Funktionsweise Betätigungsvorgänge mehrerer Betätigungselemente auszuführen. Die Aufgabe wird jeweils gelöst durch die Merkmale der unabhängigen Patentansprüche, wobei weitere Ausgestaltungen der Erfindung den Unteransprüchen entnommen werden können.The invention has for its object to perform with the help of an operating unit with the saving of space, components and costs in a reliable operation operations of multiple actuators. The object is achieved in each case by the features of the independent claims, wherein further embodiments of the invention can be taken from the subclaims.
Die Erfindung geht aus von einer Betätigungsvorrichtung mit wenigstens einer elektrischen und/oder elektromagnetischen Betätigungseinheit .The invention is based on an actuating device with at least one electric and / or electromagnetic actuating unit.
Es wird vorgeschlagen, dass wenigstens zwei von unterschiedlichen Betätigungselementen der Betätigungseinheit ausgeführte Betätigungsvorgänge zumindest zwei unterschiedlichen elektrischen und/oder elektromagnetischen Zuständen der Betätigungseinheit zugeordnet sind. Unter einer „elektrischen und/oder elektromagnetischenIt is proposed that at least two actuation processes carried out by different actuation elements of the actuation unit are assigned to at least two different electrical and / or electromagnetic states of the actuation unit. Under one "Electrical and / or electromagnetic
Betätigungseinheit" soll insbesondere eine Einheit verstanden werden, welche aufgrund wenigstens eines elektrischen und/oder elektromagnetischen Vorgangs zumindest einen Betätigungsvorgang ausführt. Unter einem „Betätigungsvorgang" soll im Besonderen ein Vorgang verstanden werden, bei welchem eine Einheit und/oder ein Element relativ zu einer weiteren Einheit und/oder einem weiteren Element bewegt wird. Unter einem „Betätigungselement" soll im Besonderen ein Element verstanden werden, welches bei einem Betätigungsvorgang beteiligt ist. Unter einem elektrischen und/oder elektromagnetischen „Zustand" sollen insbesondere Werte einer Stromdichtevektorkomponente und/oder eines elektromagnetischen Feldstärketensors und/oder einer Ladungsdichte innerhalb der Betätigungsvorrichtung und insbesondere an den restlichen Raumpunkten in Verbindung mit den zu den Werten gehörenden Raumkoordinaten verstanden werden. Darunter, dass ein Betätigungsvorgang einem Betätigungselement „zugeordnet" ist, soll insbesondere verstanden werden, dass das Betätigungselement an dem Betätigungsvorgang beteiligt ist. Darunter, dass „zwei Betätigungsvorgänge zwei Betätigungselementen zugeordnet" sind, soll insbesondere verstanden werden, dass jeweils ein Betätigungsvorgang jeweils einem Betätigungselement zugeordnet ist. Unter „unterschiedlichen" elektrischen und/oder elektromagnetischen Zuständen sollen insbesondere Zustände verstanden werden, welche darin verschieden sind, dass wenigstens eine Komponente des Stromdichtevektors und/oder des elektromagnetischen Feldstärketensors und/oder der Ladungsdichte an einem Raumpunkt unterschiedliche Vorzeichen aufweisen. Mit einer erfindungsgemäßen Ausgestaltung kann die Betätigungseinheit kompakt ausgebildet werden. In einer bevorzugten Ausführungsform der Erfindung sind die Betätigungsvorgänge unterschiedlichen Stromflussrichtungen zugeordnet, die unterschiedliche elektrische Zustände im oben genannten Sinne darstellen. Unter einer „Stromflussrichtung" soll insbesondere eine Richtung eines Stromflusses verstanden werden. Hiermit kann ein elektrisches und/oder elektromagnetisches Bauelement, welches insbesondere eine Spule und/oder eine Spuleneinheit sein kann, eingespart werden.Actuating unit is to be understood as meaning in particular a unit which carries out at least one actuation operation on the basis of at least one electrical and / or electromagnetic process An actuation process should in particular be understood to mean a process in which one unit and / or one element relative to another Unit and / or another element is moved. An "actuating element" is to be understood as meaning in particular an element which is involved in an actuation process. <br/><br/><br/> Under an electrical and / or electromagnetic "state" in particular values of a current density vector component and / or an electromagnetic field strength sensor and / or a charge density within the actuating device and in particular at the remaining spatial points in conjunction with the space coordinates belonging to the values. It should be understood, in particular, that the actuating element is "associated" with the actuating operation, whereby "two actuating operations are assigned to two actuating elements" is to be understood as meaning in each case one actuating operation in each case one actuating element assigned. By "different" electrical and / or electromagnetic states are meant in particular states which differ in that at least one component of the current density vector and / or the electromagnetic field strength sensor and / or the charge density have different signs at a spatial point the actuator are made compact. In a preferred embodiment of the invention, the actuation processes are associated with different current flow directions that represent different electrical states in the above-mentioned sense. A "current flow direction" is to be understood as meaning, in particular, a direction of a current flow, which can be used to save an electrical and / or electromagnetic component, which may be, in particular, a coil and / or a coil unit.
Ferner wird vorgeschlagen, dass die Betätigungseinheit wenigstens eine Spuleneinheit aufweist, die zur Bestromung mit unterschiedlichen Stromflussrichtungen vorgesehen ist. Unter „vorgesehen" soll insbesondere speziell ausgestattet und/oder ausgelegt verstanden werden. Mit einer entsprechenden erfindungsgemäßen Ausgestaltung kann eine einfache Konstruktion der Betätigungseinheit erreicht werden.It is further proposed that the actuating unit has at least one coil unit which is provided for energizing with different current flow directions. By "provided" is intended to be understood in particular to be specially equipped and / or designed With a corresponding inventive design, a simple construction of the actuating unit can be achieved.
Mit Vorteil weist die Betätigungseinheit wenigstens eine Beschleunigungseinheit auf, welche dazu vorgesehen ist, wenigstens eines der Betätigungselemente zu beschleunigen. Unter einer „Beschleunigung eines Betätigungselements" soll insbesondere eine Beschleunigung des Betätigungselements relativ zu wenigstens einem Teil der Beschleunigungseinheit und/oder relativ zu wenigstens einem Teil der Betätigungseinheit, welche insbesondere eine Spule sein kann, verstanden werden. Mit einer erfindungsgemäßen Ausgestaltung kann ein Betätigungsvorgang schnell ausgeführt werden.Advantageously, the actuating unit has at least one acceleration unit, which is provided to accelerate at least one of the actuating elements. An "acceleration of an actuating element" should in particular be understood to mean an acceleration of the actuating element relative to at least one part of the acceleration unit and / or relative to at least one part of the actuating unit, which may be a coil in particular become.
Außerdem wird vorgeschlagen, dass die Beschleunigungseinheit mit einer Spuleneinheit der Betätigungseinheit zumindest teilweise identisch ist. Hiermit kann ein einfacher Ablauf eines Betätigungsvorgangs erreicht werden. In einer bevorzugten Ausgestaltung der Erfindung weist wenigstens eines der Betätigungselemente ein aktives magnetisches Element auf. Unter einem „aktiven magnetischen Element" soll insbesondere sowohl ein elektromagnetisches Element als auch ein Permanentmagnet verstanden werden. Damit können Betätigungsvorgänge unterschiedlicher Betätigungselemente auf einfache Weise in Gang gesetzt werden.It is also proposed that the acceleration unit is at least partially identical to a coil unit of the actuating unit. Hereby, a simple sequence of an actuating operation can be achieved. In a preferred embodiment of the invention, at least one of the actuating elements has an active magnetic element. An "active magnetic element" is to be understood in particular as meaning both an electromagnetic element and a permanent magnet, so that actuation processes of different actuation elements can be initiated in a simple manner.
Vorzugsweise sind wenigstens zwei der Betätigungsvorgänge identischen Betätigungsrichtungen zugeordnet, wobei die identischen Betätigungsrichtungen zugeordneten Betätigungsvorgänge zwei unterschiedlichen der Betätigungselemente zugeordnet sind. Unter einer „Betätigungsrichtung" soll insbesondere eine Richtung verstanden werden, in welche ein Betätigungselement bei einem Betätigungsvorgang relativ zu Teilen der Betätigungseinheit und/oder der Spuleneinheit bewegt wird und besonders vorteilhaft von der Spuleneinheit bewegt wird. Mit einer erfindungsgemäßen Ausgestaltung können Betätigungsvorgänge in voneinander beabstandeten Raumbereichen ausgeführt werden.Preferably, at least two of the actuation processes are assigned identical actuation directions, wherein the actuation processes associated with identical actuation directions are assigned to two different actuation elements. An "actuating direction" is to be understood in particular as meaning a direction in which an actuating element is moved relative to parts of the actuating unit and / or the coil unit during an actuating operation and is moved in a particularly advantageous manner by the coil unit be executed.
In einer bevorzugten Ausgestaltung der Erfindung umfasst die Betätigungseinheit zumindest ein magnetisches, elektrisches und/oder elektromagnetisches Stabilisierungselement, welches dazu vorgesehen ist, ein Verbleiben wenigstens eines der Betätigungselemente in zumindest einer stabilen Position zu bewirken. Hiermit kann insbesondere ein Betätigungsvorgang zeitlich ausgedehnt werden.In a preferred embodiment of the invention, the actuating unit comprises at least one magnetic, electrical and / or electromagnetic stabilizing element, which is intended to effect a retention of at least one of the actuating elements in at least one stable position. Hereby, in particular, an actuating operation can be extended in time.
Ferner wird vorgeschlagen, dass die Betätigungseinheit ein aktives magnetisches Element aufweist, welches wenigstens teilweise mit dem Stabilisierungselement identisch ist. Damit kann eine besonders einfache Konstruktion eines Betätigungselements erreicht werden. In einer bevorzugten Ausgestaltung der Erfindung weist die Betätigungseinheit eine Sicherungseinheit auf, welche dazu vorgesehen ist, zu einem Betriebszeitpunkt ausschließlich einem der Betätigungselemente einen der Betätigungsvorgänge zu erlauben. Damit kann insbesondere ein bei simultanen Betätigungsvorgängen mögliches Zerstören wenigstens eines Betätigungselements und/oder eines durch ein Betätigungselement betätigten Bauelements verhindert werden.It is also proposed that the actuating unit has an active magnetic element which is at least partially identical to the stabilizing element. Thus, a particularly simple construction of an actuating element can be achieved. In a preferred embodiment of the invention, the actuating unit has a securing unit which is provided to allow one of the actuating operations at an operating time exclusively one of the actuating elements. This can be prevented in particular a possible simultaneous operation operations destroying at least one actuating element and / or actuated by an actuator component.
Ferner wird vorgeschlagen, dass die Betätigungseinheit wenigstens eine Spuleneinheit und wenigstens ein aktives magnetisches Element aufweist, welche zusammen wenigstens teilweise die Sicherungseinheit bilden. Hiermit kann bei einer Gewährleistung einer sicheren Betriebsweise eine einfache Konstruktion erreicht werden.It is further proposed that the actuating unit has at least one coil unit and at least one active magnetic element, which together at least partially form the securing unit. This can be achieved with a guarantee of safe operation, a simple construction.
In einer vorteilhaften Ausgestaltung der Erfindung weist die Betätigungseinheit wenigstens ein mechanisches, pneumatisches und/oder hydraulisches Energiespeicherelement auf, welches dazu vorgesehen ist, bei einem Betätigungsvorgang wenigstens ein Betätigungselement zu beschleunigen. Mit einer erfindungsgemäßen Ausgestaltung kann eine effiziente Verwendung frei werdender Energie erreicht werden.In an advantageous embodiment of the invention, the actuating unit has at least one mechanical, pneumatic and / or hydraulic energy storage element which is provided to accelerate at least one actuating element during an actuating operation. With an embodiment according to the invention, an efficient use of released energy can be achieved.
Die erfindungsgemäße Betätigungsvorrichtung eignet sich für verschiedene, dem Fachmann als sinnvoll erscheinende Einsatzgebiete, besonders vorteilhaft bildet die Betätigungsvorrichtung jedoch eineThe actuating device according to the invention is suitable for various fields of use that appear appropriate to the person skilled in the art, but the actuating device is particularly advantageous
Brennkraftmaschinenbetätigungsvorrichtung, und zwar insbesondere für eine Ventiltriebumschalteinheit . Dabei zeigen:Internal combustion engine actuating device, in particular for a valve train switching unit. Showing:
Fig. 1 einen Schnitt durch eine Betätigungsvorrichtung,1 shows a section through an actuating device,
Fig. 2 eine Draufsicht auf die Betätigungsvorrichtung,2 is a plan view of the actuator,
Fig. 3 einen Schnitt durch die Betätigungsvorrichtung undFig. 3 is a section through the actuator and
Fig. 4 einen Schnitt durch die Betätigungsvorrichtung.Fig. 4 is a section through the actuator.
Figur 1 zeigt einen Schnitt durch eine Betätigungsvorrichtung mit einer elektrischen und elektromagnetischen Betätigungseinheit 10. Die Betätigungseinheit 10 weist zwei Betätigungselemente 12, 14 auf. Die Betätigungselemente 12, 14 weisen jeweils eine Haupterstreckungsrichtung auf, wobei die beiden Haupterstreckungsrichtungen miteinander identisch sind. Die Betätigungselemente 12, 14 weisen an jeweils einem Ende ein aktives magnetisches Element 20, 21 auf, welches als Permanentmagnet ausgebildet ist. Die beiden Enden der aktiven Elemente 20, 21 sind einander zugewandt. Eine Verlängerung eines Südpols 36 zu einem Nordpol 38 des aktiven Elements 20 weist in dieselbe Richtung wie eine Verlängerung eines Nordpols 42 zu einem Südpol 40 des aktiven Elements 21, weshalb die beiden aktiven Elemente 20, 21 entgegengesetzt gepolt sind. Die aktiven Elemente 20, 21 besitzen jeweils die Form eines geraden Hohlzylinders. Grund- und Deckflächen der Hohlzylinder sind senkrecht zu den Haupterstreckungsrichtungen. Die Grundflächen der als Hohlzylinder ausgebildeten aktiven Elemente 20, 21 befinden sich in einer gemeinsamen Ebene. Diese Ebene schneidet eine Spuleneinheit 16, welche eine Spule 17 (Figur 3) aufweist. Die Spuleneinheit 16 wird ferner von einer Mittelsenkrechten zu zwei Massenmittelpunkten der aktiven Elemente 20, 21, welche parallel zu den Grundflächen ist, geschnitten. Die Spuleneinheit 16 ist neben den aktiven Elementen 20, 21 derart angeordnet, dass mittels eines durch die Spule 17 erzeugten Magnetfelds Kräfte auf die aktiven Elemente 20, 21 ausübbar sind.FIG. 1 shows a section through an actuating device with an electrical and electromagnetic actuating unit 10. The actuating unit 10 has two actuating elements 12, 14. The actuating elements 12, 14 each have a main extension direction, wherein the two main directions of extension are identical to one another. The actuating elements 12, 14 each have at one end an active magnetic element 20, 21, which is designed as a permanent magnet. The two ends of the active elements 20, 21 face each other. An extension of a south pole 36 to a north pole 38 of the active element 20 points in the same direction as an extension of a north pole 42 to a south pole 40 of the active element 21, for which reason the two active elements 20, 21 are oppositely poled. The active elements 20, 21 each have the shape of a straight hollow cylinder. Base and top surfaces of the hollow cylinder are perpendicular to the main directions of extension. The bases of the hollow elements designed as active elements 20, 21 are located in a common plane. This plane intersects a coil unit 16 which has a coil 17 (FIG. 3). The coil unit 16 is further cut from a mid-perpendicular to two centers of mass of the active elements 20, 21, which is parallel to the bases. The coil unit 16 is arranged next to the active elements 20, 21 such that by means of a through the coil 17th generated magnetic field forces on the active elements 20, 21 are exercisable.
Die Betätigungselemente 12, 14 besitzen identische Betätigungsrichtungen 22, 24, welche parallel zu ihrer Haupterstreckungsrichtung und von den aktiven Elementen 20, 21 jeweils zu einem gegenüberliegenden Ende der aktiven Elemente 20, 21 verlaufen. Bei einer Bestromung der Spule 17 (Figur 3) in einer Stromflussrichtung wird eines der Betätigungselemente 12, 14 relativ zu der Spuleneinheit 16 beschleunigt. Die Betätigungseinheit 10 umfasst somit eine Beschleunigungseinheit 18, welche teilweise mit der Spuleneinheit 16 identisch ist. Wird die Spule 17 (Figur 3) in einer der Stromflussrichtung entgegengesetzten Stromflussrichtung bestromt, so wird aufgrund der entgegengesetzten Polung der aktiven Elemente 20, 21 das andere Betätigungselemente 12, 14 relativ zu der Spuleneinheit 16 beschleunigt. Eine Bewegung eines der Betätigungselemente 12, 14 relativ zu der Spuleneinheit 16 in die Betätigungsrichtungen 22, 24 ist ein Betätigungsvorgang, welcher dem sich bewegenden Betätigungselement 12, 14 zugeordnet ist. Da die Betätigungselemente 12, 14 mittels unterschiedlicher Stromflussrichtungen beschleunigt werden, sind die Betätigungsvorgänge unterschiedlichen Stromflussrichtungen zugeordnet. Eine Stromflussrichtung stellt einen elektrischen und elektromagnetischen Zustand der Betätigungseinheit 10 dar. Demzufolge sind zwei von den unterschiedlichen Betätigungselementen 12, 14 der Betätigungseinheit 10 ausgeführte Betätigungsvorgänge zumindest zwei der unterschiedlichen elektrischen und elektromagnetischen Zustände der Betätigungseinheit 10 zugeordnet. Einer der Betätigungsvorgänge, welcher von einem der Betätigungselemente 12, 14 ausgeführt wird, ist diesem Betätigungselement 12, 14 zugeordnet. Die beiden Betätigungselemente 12, 14 führen die ihnen zugeordneten Betätigungsvorgänge in dieselbe Betätigungsrichtung 22, 24 aus. Demzufolge sind wenigstens zwei der Betätigungsvorgänge den identischen Betätigungsrichtungen 22, 24 zugeordnet, wobei die identischen Betätigungsrichtungen 22, 24 zugeordneten Betätigungsvorgänge zwei unterschiedlichen der Betätigungselemente 12, 14 zugeordnet sind.The actuating elements 12, 14 have identical actuating directions 22, 24, which extend parallel to their main extension direction and from the active elements 20, 21 in each case to an opposite end of the active elements 20, 21. When the coil 17 (FIG. 3) is energized in a current flow direction, one of the actuating elements 12, 14 is accelerated relative to the coil unit 16. The actuating unit 10 thus comprises an acceleration unit 18, which is partially identical to the coil unit 16. If the coil 17 (FIG. 3) is energized in a current flow direction opposite to the current flow direction, the other actuating elements 12, 14 are accelerated relative to the coil unit 16 due to the opposite polarity of the active elements 20, 21. Movement of one of the actuators 12, 14 relative to the coil unit 16 in the actuation directions 22, 24 is an actuation associated with the moving actuator 12, 14. Since the actuators 12, 14 are accelerated by means of different current flow directions, the actuation processes are associated with different current flow directions. A current flow direction represents an electric and electromagnetic state of the operating unit 10. Accordingly, two operating operations performed by the different operating elements 12, 14 of the operating unit 10 are associated with at least two of the different electrical and electromagnetic states of the operating unit 10. One of the actuating operations carried out by one of the actuators 12, 14 is associated with this actuator 12, 14. The two Actuators 12, 14 carry out their associated actuation operations in the same direction of actuation 22, 24. Accordingly, at least two of the actuation operations are associated with the identical actuation directions 22, 24, wherein the identical actuation directions 22, 24 associated with actuation operations two different of the actuators 12, 14 are assigned.
Ferner umfasst die Betätigungseinheit 10 zwei magnetische, elektrische und elektromagnetische Stabilisierungselemente 26, 27. Die Stabilisierungselemente 26 bzw. 27 sind dazu vorgesehen, ein Verbleiben der Betätigungselemente 12 bzw. 14 in zumindest einer stabilen Position 28 bzw. 29 zu bewirken. Die Stabilisierungselemente 26 bzw. 27 sind mit den aktiven Elementen 20, 21 identisch. Eine Bewegung der Betätigungselemente 12, 14 relativ zu der Spuleneinheit 16 ist in die Betätigungsrichtung 22 durch Oberflächen einer Umhüllungseinheit 46 begrenzt. Die Umhüllungseinheit 46 umhüllt die Betätigungselemente 12, 14. Da die Oberflächen zumindest teilweise aus einem Material gebildet sind, welches eine Kraft auf einen Permanentmagneten ausüben kann, werden die aktiven Elemente 20, 21 von den Oberflächen und einem darunter liegenden Material angezogen und so in einer stabilen Position 34 (Figur 4) gehalten. Ferner wird eine Bewegung einer der Betätigungselemente 12, 14 in die Gegenrichtung der Betätigungsrichtung 22 durch eine Halteeinheit 44 begrenzt, welche mit der Spuleneinheit 16 verbunden ist. Da die Halteeinheit 44 zumindest teilweise aus einem Material gebildet ist, welches eine Kraft auf einen Permanentmagneten ausüben kann, bewirkt das Stabilisierungselement 26, 27 mittels einer auf dieses von der Halteeinheit 44 ausgeübten Kraft ein Verbleiben des Betätigungselements 12, 14 in der maximal in die Gegenrichtung der Betätigungsrichtung 22 ausgelenkten stabilen Position 28, 29.Furthermore, the actuating unit 10 comprises two magnetic, electrical and electromagnetic stabilizing elements 26, 27. The stabilizing elements 26 and 27 are intended to effect the retention of the actuating elements 12 and 14 in at least one stable position 28 and 29, respectively. The stabilizing elements 26 and 27 are identical to the active elements 20, 21. A movement of the actuating elements 12, 14 relative to the coil unit 16 is limited in the operating direction 22 by surfaces of a wrapping unit 46. The wrapping unit 46 encloses the actuators 12, 14. Since the surfaces are at least partially formed of a material that can exert a force on a permanent magnet, the active elements 20, 21 are attracted to the surfaces and an underlying material and so in one stable position 34 (Figure 4) held. Furthermore, a movement of one of the actuating elements 12, 14 in the opposite direction of the actuating direction 22 is limited by a holding unit 44, which is connected to the coil unit 16. Since the holding unit 44 is at least partially formed of a material which can exert a force on a permanent magnet, the stabilizing element 26, 27 causes by means of a force exerted on it by the holding unit 44 a retention of the actuating element 12, 14 in the maximum in the Counter direction of the actuating direction 22 deflected stable position 28, 29th
Nach einem Betätigungsvorgang eines der Betätigungselemente 12, 14 wird das betreffende Betätigungselement 12, 14 wieder in die stabile Position 28 bzw. 29 zurückbewegt. Danach findet eine Bestromung der Spule (Figur 3) mit einer Stromdurchflussrichtung statt, welche der Stromdurchflussrichtung entgegengesetzt ist, welche zu einem Beschleunigen des Betätigungselements 12, 14 verwendet wurde. Die Betätigungseinheit 10 weist daher eine Sicherungseinheit 30 in Form der Spule 17 (Figur 3) und der aktiven Elemente 20, 21 auf, welche dazu vorgesehen ist, zu einem Betriebszeitpunkt ausschließlich einem der Betätigungselemente 12, 14 einen der Betätigungsvorgänge zu erlauben.After an actuating operation of one of the actuating elements 12, 14, the relevant actuating element 12, 14 is moved back into the stable position 28 or 29 again. Thereafter, energization of the coil (FIG. 3) takes place with a current flow direction which is opposite to the current flow direction which was used to accelerate the actuating element 12, 14. The actuating unit 10 therefore has a securing unit 30 in the form of the coil 17 (FIG. 3) and the active elements 20, 21, which is provided to permit one of the actuating operations at a time of operation of only one of the actuating elements 12, 14.
Außerdem weist die Betätigungseinheit 10 zwei als Schraubenfedern ausgebildete mechanischeIn addition, the actuating unit 10 has two designed as helical springs mechanical
Energiespeicherelemente 32, 33 auf, welche dazu vorgesehen sind, bei den Betätigungsvorgängen die Betätigungselemente 12, 14 relativ zu der Spuleneinheit zu beschleunigen. Die Schraubenfedern sind zwischen den Betätigungselementen 12, 14 und der Halteeinheit 44 angeordnet und befinden sich, wenn sich die Betätigungselemente 12, 14 in den stabilen Positionen 28, 29 befinden, in komprimiertem Zustand. Bei einem Betätigungsvorgang dekomprimiert eines der Energiespeicherelemente 32, 33 und beschleunigt eines der Betätigungselemente 12, 14.Energy storage elements 32, 33, which are intended to accelerate the actuating elements 12, 14 relative to the coil unit in the actuation operations. The coil springs are disposed between the actuators 12, 14 and the support unit 44 and, when the actuators 12, 14 are in the stable positions 28, 29, are in a compressed state. During an actuation process, one of the energy storage elements 32, 33 decompresses and accelerates one of the actuation elements 12, 14.
Figur 2 zeigt eine Draufsicht von oben auf eine Betätigungsvorrichtung in die Betätigungsrichtung 22. Die Halteeinheit 44 verdeckt teilweise die Spuleneinheit 16, die Umhüllungseinheit 46 und die Betätigungselemente 12, 14. Zwei abgeschlossene Halbebenen 48, 50 sind in der Figur projizierend dargestellt. Die Halbebenen 48, 50 schneiden sich in einer Gerade, welche die beide Halbebenen 48, 50 in Ebenen, in welchen sich die Halbebenen 48, 50 erstrecken, begrenzen. Die Gerade schneidet die Spuleneinheit mittig. Die Halbebene 48 schneidet das Betätigungselement 14 mittig, die andere Halbebene 50 schneidet das Betätigungselement 12 mittig.FIG. 2 shows a top view of an actuating device in the operating direction 22. The holding unit 44 partially covers the coil unit 16, the wrapping unit 46 and the actuating elements 12, 14. Two closed half-planes 48, 50 are shown in the FIGURE projected. The half-planes 48, 50 intersect in a straight line bounding the two half-planes 48, 50 in planes in which the half-planes 48, 50 extend. The straight line cuts the coil unit in the middle. The half-plane 48 intersects the actuating element 14 in the center, the other half-plane 50 intersects the actuating element 12 in the center.
Figur 3 zeigt die Betätigungsvorrichtung in einem Schnitt entlang der Halbebenen 48, 50 (Figur 2), so dass die Spuleneinheit 16 und die Betätigungselemente 12, 14 sichtbar sind. Die Spuleneinheit 16 weist die Spule 17 auf. Die Betätigungselemente 12, 14 befinden sich in den stabilen Positionen 28, 29. Die Spule 17 kann an einer Stelle in einer Richtung orthogonal zu der Betätigungsrichtung 22 (Figur 1) Strom führen und damit einen Betätigungsvorgang eines der Betätigungselemente 12, 14 auslösen. Die Spule 17 kann ebenfalls in der zu der orthogonalen Richtung entgegengesetzten Richtung Strom führen und damit einen Betätigungsvorgang des anderen Betätigungselements 12, 14 auslösen.FIG. 3 shows the actuating device in a section along the half-planes 48, 50 (FIG. 2), so that the coil unit 16 and the actuating elements 12, 14 are visible. The coil unit 16 has the coil 17. The actuators 12, 14 are in the stable positions 28, 29. The coil 17 may carry current at one location in a direction orthogonal to the direction of actuation 22 (FIG. 1) and thus initiate an actuation operation of one of the actuators 12, 14. The coil 17 may also conduct in the opposite direction to the orthogonal direction current, thereby triggering an actuation operation of the other actuator 12, 14.
Figur 4 zeigt die Betätigungsvorrichtung in einem wie in Figur 3 ausgeführten Schnitt. Das Betätigungselement 12 ist vollständig in die Betätigungsrichtung 22 ausgelenkt. Es ist daher in der stabilen Position 34 angeordnet. FIG. 4 shows the actuating device in a section as shown in FIG. The actuating element 12 is completely deflected in the actuating direction 22. It is therefore arranged in the stable position 34.

Claims

Patentansprüche claims
1. Betätigungsvorrichtung mit wenigstens einer elektrischen und/oder elektromagnetischen Betätigungseinheit (10), dadurch gekennzeichnet, dass wenigstens zwei von unterschiedlichen1. actuating device with at least one electric and / or electromagnetic actuator unit (10), characterized in that at least two of different
Betätigungselementen (12, 14) der Betätigungseinheit (10) ausgeführte Betätigungsvorgänge zumindest zwei unterschiedlichen elektrischen und/oder elektromagnetischen Zuständen der Betätigungseinheit (10) zugeordnet sind.Actuating elements (12, 14) of the actuating unit (10) executed actuating operations are associated with at least two different electrical and / or electromagnetic states of the actuating unit (10).
2. Betätigungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Betätigungsvorgänge unterschiedlichen Stromflussrichtungen zugeordnet sind.2. Actuating device according to claim 1, characterized in that the actuating operations are associated with different current flow directions.
3. Betätigungsvorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Betätigungseinheit wenigstens eine Spuleneinheit (16) aufweist, die zur Bestromung mit unterschiedlichen Stromflussrichtungen vorgesehen ist. 3. Actuating device according to one of claims 1 or 2, characterized in that the actuating unit has at least one coil unit (16) which is provided for energizing with different current flow directions.
4. Betätigungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Betätigungseinheit wenigstens eine Beschleunigungseinheit (18) aufweist, welche dazu vorgesehen ist, wenigstens eines der Betätigungselemente (12, 14) zu beschleunigen.4. Actuating device according to one of the preceding claims, characterized in that the actuating unit has at least one acceleration unit (18) which is provided to accelerate at least one of the actuating elements (12, 14).
5. Betätigungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Beschleunigungseinheit (18) mit einer Spuleneinheit (16) der Betätigungseinheit (10) zumindest teilweise identisch ist.5. Actuating device according to claim 4, characterized in that the acceleration unit (18) with a coil unit (16) of the actuating unit (10) is at least partially identical.
6. Betätigungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass wenigstens eines der Betätigungselemente (12, 14) ein aktives magnetisches Element (20, 21) aufweist.6. Actuating device according to one of the preceding claims, characterized in that at least one of the actuating elements (12, 14) has an active magnetic element (20, 21).
7. Betätigungsvorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass wenigstens zwei der Betätigungsvorgänge identischen Betätigungsrichtungen (22, 24) zugeordnet sind, wobei die identischen Betätigungsrichtungen (22, 24) zugeordneten Betätigungsvorgänge zwei unterschiedlichen der Betätigungselemente (12, 14) zugeordnet sind. 7. Actuating device according to one of the preceding claims, characterized in that at least two of the actuating operations are associated with identical actuating directions (22, 24), wherein the identical actuating directions (22, 24) associated with actuating operations two different of the actuating elements (12, 14) are assigned.
8. Betätigungsvorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Betätigungseinheit (10) zumindest ein magnetisches, elektrisches und/oder elektromagnetisches Stabilisierungselement (26, 27) umfasst, welches dazu vorgesehen ist, ein Verbleiben wenigstens eines der Betätigungselemente (12, 14) in zumindest einer stabilen Position (28, 29, 34) zu bewirken.8. Actuating device according to one of the preceding claims, characterized in that the actuating unit (10) comprises at least one magnetic, electrical and / or electromagnetic stabilizing element (26, 27), which is intended to remain at least one of the actuating elements (12, 14 ) in at least one stable position (28, 29, 34).
9. Betätigungsvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Betätigungseinheit ein aktives magnetisches Element (20, 21) aufweist, welches wenigstens teilweise mit dem Stabilisierungselement (26, 27) identisch ist.9. Actuating device according to claim 8, characterized in that the actuating unit has an active magnetic element (20, 21) which is at least partially identical to the stabilizing element (26, 27).
10. Betätigungsvorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Betätigungseinheit (10) eine Sicherungseinheit (30) aufweist, welche dazu vorgesehen ist, zu einem Betriebszeitpunkt ausschließlich einem der Betätigungselemente (12, 14) einen der Betätigungsvorgänge zu erlauben.10. Actuating device according to one of the preceding claims, characterized in that the actuating unit (10) has a securing unit (30), which is intended to allow one operating time exclusively one of the actuating elements (12, 14) one of the actuating operations.
11. Betätigungsvorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die Betätigungseinheit wenigstens eine Spuleneinheit (16) und wenigstens ein aktives magnetisches Element (20, 21) aufweist, welche zusammen wenigstens teilweise die Sicherungseinheit (30) bilden. 11. Actuating device according to claim 10, characterized in that the actuating unit has at least one coil unit (16) and at least one active magnetic element (20, 21), which together at least partially form the securing unit (30).
12. Betätigungsvorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Betätigungseinheit (10) wenigstens ein mechanisches, pneumatisches und/oder hydraulisches Energiespeicherelement (32) aufweist, welches dazu vorgesehen ist, bei einem Betätigungsvorgang wenigstens eines der Betätigungselemente (12, 14) zu beschleunigen.12. Actuating device according to one of the preceding claims, characterized in that the actuating unit (10) has at least one mechanical, pneumatic and / or hydraulic energy storage element (32) which is provided, during an actuating operation of at least one of the actuating elements (12, 14) to accelerate.
13. Betätigungsverfahren, insbesondere mit einer Betätigungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei wenigstens zwei zumindest zwei unterschiedlichen elektrischen und/oder elektromagnetischen Zuständen zugeordnete und von unterschiedlichen Betätigungselementen (12, 14) der Betätigungseinheit (10) ausgeführte Betätigungsvorgänge ausgeführt werden. 13. An actuating method, in particular with an actuating device according to one of the preceding claims, wherein at least two at least two different electrical and / or electromagnetic states associated and executed by different actuators (12, 14) of the actuating unit (10) carried out actuation operations.
EP08784975A 2007-08-08 2008-07-23 Actuating device Active EP2176525B1 (en)

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JP2007046498A (en) * 2005-08-08 2007-02-22 Toyota Motor Corp Solenoid-driven valve

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Also Published As

Publication number Publication date
WO2009018919A1 (en) 2009-02-12
US20100180850A1 (en) 2010-07-22
CN101772624B (en) 2012-07-11
JP5216089B2 (en) 2013-06-19
EP2176525B1 (en) 2012-09-12
JP2010535962A (en) 2010-11-25
US8235011B2 (en) 2012-08-07
DE102007037333A1 (en) 2009-02-26
CN101772624A (en) 2010-07-07

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