Abstract: An actuator device having an expansion unit, which has a magnetic shape memory alloy material (MSM), is configured to interact with a preferably non-magnetic ram unit and executes an expansion movement in an actuating direction as a reaction to an introduced magnetic flow, the expansion unit being oriented towards the ram unit along a longitudinal axis defined by the expansion direction, and being intended to exert an actuating force on said ram unit, wherein the ram unit is guided on the casing side in an associated housing section of the actuator unit, wherein an end section of the expansion unit and/or end section of the ram unit, the end section being realized in a transition region between the expansion unit and the ram unit, is configured such that, at least during the exertion of the actuating force along the longitudinal axis, an overlap that effects a form- and/or force-fit transversely to the longitudinal axis arises in the transition region.

Abstract: A coil carrier for an electromagnetic actuator (2), with a winding section (3) for the accommodation of an energizable winding, with an injection molded plastic body (4), with a first yoke disc (8) designed as an annular disc and affixed on a first axial face of the winding section (3), and with an armature guide chamber enclosed by the plastic body (4) for the accommodation of an axially adjustable armature (32), wherein a second yoke disc (16) is provided on an axial face of the winding section (3) that is located opposite to the first axial face, characterized in that the first yoke disc (8) has at least one recess (24) that is open in the radially inwards direction, and in that the first yoke disc (8) is affixed to the plastic body (4) by means of overmolding, such that plastic body material projects radially inwards beyond the recess (24) and forms a guide (12) for the armature (32), and in that the second yoke disc (16) is affixed to the plastic body (4) by means of overmolding.

Abstract: An electromagnetic valve device with an armature unit (10) which is designed for carrying out an opening or closing operation of a fluid channel and, as a reaction to stationary coil means (18, 20, 22), which at least partially surround the armature unit, being energized, is driveable so as to be movable along an axial direction (12) relative thereto, wherein the coil means have a coil former (20) which forms a winding section (20) for a winding (22) to be energized, and the coil former forms an axially extending inner casing which is designed for guiding the armature unit and in the lateral surface of which slot- or groove-like channels (54) permitting drainage of an armature movement space are formed, wherein the coil former provides a channel outlet (56) for the channels (54) lying axially opposite an inlet- or respectively outlet section (24) of the fluid channel and on the end face, with which channel outlet blocking and/or deflection means against infiltrating intrusive media are associated.

Abstract: An electromagnetic actuating apparatus with two armature means which are designed to exert an actuating force on two tappet units which are extended in the longitudinal direction along a longitudinal movement axis and are guided such that they can be moved in a parallel manner in a common guide section of a housing which accommodates the armature means, wherein the tappet units each have an engagement end which is designed to interact with an actuating groove in a motor vehicle motor adjustment system and projects from the guide section at least in an engaged state, and the common guide section forms a guide end surface in which guide openings associated with the two tappet units, are open, wherein a connecting path which runs through centre axes of the only two guide openings in the guide end surface forms an offset (v) from a surface centre point of the guide end surface and/or from a surface centre point of a housing end surface of the housing, wherein the surface centre point lies on a perpendicular bisec

Abstract: An electromagnetic actuation device with an actuation element, which can be adjusted relative to a stator on the basis of a magnetic actuation force which can be generated by the stator, wherein the stator has a coil winding, the winding wire of which is guided to a contact element bent at a bending region and is fixedly and electrically conductively connected to the same, wherein the contact element (5) has a depression geometry (9) in a bending region (7), which shortens a bending path of the winding wire (4) and through which the winding wire (4) passes.

Abstract: An actuator device for bidirectional adjustment of an adjusting body constructed for interaction with an adjustment partner and preferably realised as a tappet (14), having first adjustment means (10), which have expansion means having a magnetically effective shape-memory alloy material (12) and exerting an adjustment force, particularly a pushing force, on the adjusting body for moving the same along a first adjustment direction, which carry out an expansion generating the adjustment force as a reaction to a first energising of first coil means (16), and second adjustment means (20; 20?, 34) assigned to the adjusting body and provided separately from the expansion means and the first coil unit, which are constructed for moving the adjusting body in a second adjustment direction opposite to the first adjustment direction, characterised in that the second adjustment means have an electromagnetically or electromotively driven actuator and therefore for moving the adjusting body in the second adjustment directi

Abstract: An electromagnetic actuator with an armature unit (18) that can be driven relative to a stationary core unit (10) in reaction to the application of current to a stationary coil unit (14), which armature unit has a permanent magnetic agent (28) as well as a plunger unit (31), designed so as to interact with an actuation partner, guided out of a magnetically flux-conducting housing (35), wherein, on the outer surface of a shaft section (20) of the armature unit (18) a magnetically non-conducting bushing agent (32) is provided such that in a zero applied current state of the coil unit (14) a permanent magnetic flux (40) of the permanent magnetic agent (28) flows through the core unit (10) and the shaft section (20) so as to hold the armature unit (18) on the core unit (10), and in a state of the core unit (14) in which current is applied the permanent magnetic flux (40?, 40?) is displaced out of the core unit (10) into a housing section (50, 52) of the housing and a permanent magnetic flux circuit is closed by a

Abstract: An electromagnetic actuating device, in particular camshaft adjustment device, having an armature unit (14) which can be driven in the axial direction or parallel thereto in reaction to energization of a stationary, axially oriented coil unit (10) and is designed to interact with a slide and/or plunger unit (16) which extends in the axial direction, in particular a plunger unit which brings about camshaft adjustment of an internal combustion engine, wherein permanent magnet means are provided on and/or in the armature unit and/or the slide or plunger unit, and the coil unit and armature unit are accommodated at least partially in a housing unit or carrier unit.

Abstract: An electromagnetic actuating apparatus having an armature unit (14) which can move along an axial direction (10) in response to current being applied to a stationary coil unit and which is designed to interact with an actuating partner, wherein the coil unit has a winding (22) which is provided on a coil former (20) and with which a connection contact (26) can make contact, and said coil unit is accommodated in a housing (12) which surrounds the casing of the coil unit at least in sections, and which has associated electrical connecting means (30) for connecting the connection contact to a plug section (18, 20) which is provided on the housing, wherein the lug- and/or tongue-like connection contact (26), together with a flat end section (30), which is oriented parallel to said connection contact and is designed to be permanently connected to the connection contact or is permanently connected to the connection contact, of the metal connecting means, extends at least in sections in a direction parallel to the a

Abstract: A bistable electromagnetic actuating apparatus (1) having an actuating element (2), which forms an engagement region (4) at the end and can be moved axially between two end positions, in particular for engaging in a control groove in a cam of an internal combustion engine, and having a coil device (11) which is provided in a stationary manner relative to the actuating element (2) and is designed to exert a force on said actuating element, wherein the actuating element (2) has permanent magnets (5) which are designed to interact with a core region (3) which is provided in a stationary manner relative to the actuating element (2), and wherein the coil device (11) is designed to generate a counterforce, which counteracts a retaining force of the permanent magnets (5) and releases said permanent magnets from the core region (3), in response to an electronic actuation signal, and wherein a spring is arranged such that it applies a spring force to the actuating element (2) in an axial direction which faces away fro

Abstract: An electromagnetic actuating apparatus having an armature unit, which can be moved through a movement distance in an axial direction relative to a stationary core unit and in reaction to an operating current being passed through a coil unit, which armature unit magnetically interacts axially at one end with the core unit over a control range which at least partially overlaps axially along the movement distance, which, as a section of the armature unit, has a first profile section and, as a section of the core unit, has a second profile section, with an air gap formed between them and forms an extent at right angles to the axial direction.

Abstract: An electromagnetic actuator device, comprising a coil unit, which surrounds a first yoke section of a stationary yoke unit and is activated by energizing the coil unit, and armature elements, which are guided so as to be movable relative to the yoke unit and which interact with an output-side actuating partner and are driven in order to perform an actuating movement, the armature elements interact with at least one second yoke section of the yoke unit to form an air gap lying outside of the first yoke section for a magnetic flux produced by the activated coil unit.

Abstract: An electromagnetic actuator device having a core unit (12;50) having a coil means (16), which core unit is constructed for interacting with armature means (34,36,38,32,30) that are movably guided relatively to the core unit, as a reaction to an energising of the coil means, wherein the armature means have a plurality of tappet units (30, 32), which are spatially spaced from one another and can be driven simultaneously, to which tappet units, permanent magnet means (34) are assigned in the direction towards the core unit, which permanent magnet means have a permanent magnetisation along a respective movement longitudinal axis of the tappet units, wherein the plurality of tappet units that can be driven parallel to one another magnetically interacts with an identically poled end face of the core unit and the permanent magnet means have an axially identically directed permanent magnetisation.

Abstract: An electromagnetic actuator device, comprising a coil unit (14), which surrounds a first yoke section (13) of a stationary yoke unit and can be activated by energizing the coil unit; and armature elements (10, 12), which are guided so as to be movable relative to the yoke unit and which interact with an output-side actuating partner and which can be driven in order to perform an actuating movement. The armature elements interact with at least one second yoke section (15, 16) of the yoke unit to form an air gap (26, 28) for a magnetic flux produced by the activated coil unit.

Abstract: The invention relates to an electromagnetic actuating device (1) for a camshaft adjustment device of an internal combustion engine of a motor vehicle, with an elongated actuating element (2) forming an engagement region on the end side and movable by the force of a coil device (29) provided in a stationary manner, which actuating element preferably has in parts a cylindrical covering contour and penetrates a cut-out (8) in permanent magnet means (6) arranged on the shell side, which are constructed for cooperating with a stationary core region (5) comprising a core body (15), and which actuating element lies in a switching position with a contact surface (11), on the end side on the actuating element side, against a contact surface (10) on the core region side.

Abstract: A coil carrier for an electromagnetic actuator (2), with a winding section (3) for the accommodation of an energisable winding, with an injection moulded plastic body (4), with a first yoke disc (8) designed as an annular disc and affixed on a first axial face of the winding section (3), and with an armature guide chamber enclosed by the plastic body (4) for the accommodation of an axially adjustable armature (32), wherein a second yoke disc (16) is provided on an axial face of the winding section (3) that is located opposite to the first axial face, characterised in that the first yoke disc (8) has at least one recess (24) that is open in the radially inwards direction, and in that the first yoke disc (8) is affixed to the plastic body (4) by means of overmoulding, such that plastic body material projects radially inwards beyond the recess (24) and forms a guide (12) for the armature (32), and in that the second yoke disc (16) is affixed to the plastic body (4) by means of overmoulding.

Abstract: A camshaft adjuster (3), comprising a camshaft axis of rotation (D) and an electromagnetic multi-tappet actuating device (4) having at least two electromagnetic drive units, which for exerting an actuating force on a corresponding number of elongated tappet units (9, 10, 11) which are mounted axially parallel to one another, each defining a tappet longitudinal center axis (A1, A2, A3) arranged perpendicularly to the camshaft axis of rotation (D) are activatable, in order to engage with the tappet units (9, 10, 11) in shifting grooves (8) of an adjustable cam piece (7), wherein the drive units each on a facing acting end on one of the associated tappet units (9, 10, 11) form an acting surface that is moveable in an actuating direction of the drive units and an end face on the acting side facing away from the respective associated shifting groove (8) of a respective one of the tappet units (9, 10, 11) interacts with the acting surface, wherein at least one of the tappet units (9, 10, 11) is arranged relative to

Abstract: An electromagnetic positioning device has a long stretched out anchor plunger section as well as an anchor having an anchor body section axially continuing the latter, which in order to magnetically interact with a core unit and by energizing a stationary provided coil device is movably designed relative to the latter. The core unit is designed in such a way that it at least sectionally encompasses the anchor plunger section as well as the anchor body section with an expanded diameter relative to the anchor plunger section. The core unit is a multi-part design in the axial direction with a stationary core section, an axially movable core section and a variable core gap between the stationary and movable core section, and the movable core section and anchor are designed and joined together via a driver in such a way that, in response to energization, the movable core section moves, causing the core gap to close, and the driver drives the anchor in the axial direction.

Abstract: A camshaft assembly, comprising a camshaft (2) having a receiving space (6) in an interior thereof, at least some sections of the assembly being made of a magnetizable material, and an electromagnetic actuating unit (4) for actuating an actuating partner (5), comprising a control valve of a camshaft adjuster (3), a coil winding (8) and an armature (7) for cooperating with the actuating partner (5), the armature being adjustable by energizing the coil winding (8).

Abstract: Actuator having a drive element (16) which can be driven in reaction to electrical operation of a coil device (14), said drive element consisting of a magnetic shape-memory material and being designed to transmit mechanical drive energy to an actuating partner (28), wherein the drive element, which is in the form of an expansion unit (16) and is aligned such that it extends in a drive direction (22), is associated with a pair of laterally adjacent magnetic flux guide elements (18, 20) for a magnetic flux produced by the coil device, such that the magnetic flux is guided between the flux guide elements through the expansion unit and transversely with respect to the drive direction, the coil device (14) being provided such that it is circumferential around the expansion unit (16) which extends axially in the drive direction.