Abstract: An overcurrent switching device for an electric circuit to be monitored, which has interrupter contact means (14) constructed in such a manner that an interruption of the electric circuit is effected as a reaction to the exceeding of a predetermined current threshold, wherein the interrupter contact means have an expansion unit (16) realised by means of a magnetically active shape memory alloy material, which is loaded by a magnetic field (18) of a current flowing in the electric circuit, characterized in that the expansion unit (16; 30; 32; 34) mechanically driving a contact, particularly an interrupter contact (14), is provided adjacently to a coil-free current-carrying conductor section (10) of the electric circuit for magnetic interaction in such a manner that above the predetermined current threshold, a current flow in the current carrying conductor section generates a magnetic field which effects an expansion movement of the expansion unit which interrupts the electric circuit.

Abstract: Actuator apparatus having a drive element (26) which can tilt and/or pivot in a predetermined manner in response to electrical activation and which is formed such that it can be contacted by an output partner in order to transmit mechanical drive energy, wherein the drive element, as a connection element, is operatively connected to two expansion units (10, 12; 40, 42), which are formed by means of magnetic shape-memory alloy material, such that the connection element executes a tilting and/or pivoting movement in response to an expansion or contraction movement of one of the expansion units, expansion or contraction movement being produced by the electrical activation and also a magnetic field which is generated by said electrical activation.

Abstract: Actuator device having an expansion unit, which includes a magnetic shape memory alloy material, and a spring unit which interacts therewith in a restoring manner, wherein at least one spring of the spring unit is assigned to the expansion unit, which is designed to perform an expansion movement along an expansion direction, in such a way that the spring can exert a restoring spring force counter to the expansion direction on the expansion unit, and wherein the spring is set up and/or predetermined in its spring characteristic curve properties in such a way that a spring force profile of the spring unit along a stroke range, determined by an expansion force profile of the expansion unit and a restoring spring force profile, of the expansion movement does not form a continuously rising curve, and/or the spring force profile, with respect to a continuously rising curve, extends and/or increases the stroke range.

Abstract: Electromagnetic actuator having an armature unit which is axially guided in a housing and movable by passing current through a coil device and in particular against a return force of a return spring out of a first stop position defined by means for limiting the stroke, the means for limiting the stroke having a stop element which is mounted terminally in the housing and manufactured by a shaping, stamping, sintering and/or injection molding method, and which is designed to cooperate with a plunger unit which can be actuated outside the housing and is designed for mechanically moving the armature out of the first stop position.

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.

Abstract: An electromagnetic actuating apparatus having an elongated actuating element (3) which forms an engagement area (11) at the end, can be moved by the force of a coil device (13), (which is provided in a stationary manner) and has a permanent magnet (4), in places, which are designed to interact with a stationary core area (7), with a stationary bearing element (8) which acts as a yoke, being provided axially opposite the core area (7) for the actuating element (3), which is in the form of a piston at least in places, and with the coil device (13) having at least one coil winding (17) which is arranged on a mount (15) and whose winding wires (22, 23) are passed to contact elements (20, 21) and are electrically conductively connected to them, with the connections (24, 25) between the winding wires (22, 23) and the contact elements (20, 21) being arranged with vibration or oscillation damping with respect to the mount (15).

Abstract: A device for adjusting the camshaft of an internal combustion engine, having a lift profile element (12) which is provided on an axially movable mounted camshaft for conjoint rotation therewith and which provides a control groove, and having a control unit for generating a predetermined axial movement of the camshaft, wherein the control unit has a tappet unit (17) which is movable radially with respect to the camshaft along a movement direction and which is designed for controllable engagement into the lift profile element, and wherein the lift profile element forms a first control groove (16) which is designed to interact with the tappet unit at a first penetration depth so as to describe a first axial movement of the camshaft, and the lift profile element forms a second control groove (18, 22) which is designed to interact with the tappet unit at a second penetration depth, which differs from the first penetration depth, so as to describe a second axial movement, which differs from the first axial movement

Abstract: An electromagnetic actuating apparatus with an elongate actuating element (3), which forms an engagement region (11) at the end and is capable of moving owing to the force of a coil device provided in stationary fashion, and sections of the actuating element have permanent magnets (4), which are designed to interact with a stationary core region (7), wherein a stationary bearing element (8) acting as a yoke is provided axially opposite the core region (7) for the actuating element (3), at least sections of which are in the form of a piston, wherein the actuating element (3) has two sections (10, 20; 3a, 3b), wherein a first section (19, 3a), which is arranged in the region of the permanent magnets (4), is optimized in terms of the magnetic conductivity and a second section (20, 3b), which is arranged in the engagement region, is optimized in terms of wear.

Abstract: The invention relates to a device for camshaft adjustment in an internal combustion engine, having a lifting profile element which is provided in a rotationally fixed manner on an axially movable mounted camshaft and which provides a control groove, and having a control unit for generating a predetermined axial movement of the camshaft, wherein the control unit has a tappet unit which is preferably movable radially with respect to the camshaft and which is designed to controllably engage into the lifting profile element, wherein the lifting profile element forms a first control groove which is designed to interact with the tappet unit at a first penetration depth in order to describe a first axial movement of the camshaft, and the lifting profile element forms a second control groove which is designed to interact with the tappet unit at a second penetration depth, which differs from the first penetration depth, in order to describe a second axial movement, which differs from the first axial movement, of the c

Abstract: An electromagnetic actuating device comprising a plurality of electromagnetic actuation units (10, 12, 14), which can be selectively controlled for exerting an actuating force on a corresponding plurality of elongated tappet units (22, 24, 26) that are supported axially parallel, wherein the actuation units are provided in a common housing (18, 20; 78, 82) along the actuating direction axially parallel to each other, and form a contact surface that is at least planar in some sections and can be axially moved in the actuating direction at each associated engagement end facing the tappet units. A face (34, 36, 38) on the engagement side of each of the tappet units interacts with the engagement surface (28, 30, 32), wherein at least one of the plurality of tappet units sits eccentrically and/or with only a partial surface, with the face thereof on the engagement side, on the engagement surface of the associated actuation unit, particularly adheres to it magnetically.

Abstract: An electromagnetic actuating device comprising an armature unit which can be moved along a longitudinal axis relative to a stationary core by passing a current through a coil device, said armature unit being designed to form or define a fluid flow channel, wherein the armature unit has at one end an axially elongate cylindrical section, to which an annular groove-shaped section of reduced outer diameter is connected in the direction of the longitudinal axis, wherein the fluid flow channel extends into the annular groove-shaped section, wherein the fluid flow channel runs through the elongate cylindrical section in the manner of a through-channel, in particular a through-bore, running obliquely with respect to the longitudinal axis, so that a first opening at the end side and/or an opposite second opening of the through-channel are provided outside the cylindrical outer wall of the elongate section.

Abstract: An electromagnetic camshaft adjusting device has an armature unit, which can be moved relative to a yoke and core unit by energizing a stationary coil unit and which is designed to carry out an axial actuating movement and to exert a correspondingly axially directed actuating force on a rotating internal combustion engine camshaft by a slider unit interacting with the armature unit. The yoke and core unit is mounted such that it can rotate relative to the coil unit and provides a receptacle for the armature unit that is guided such that it can move axially in the yoke and core unit and has the slider unit firmly seated thereon.

Abstract: An electromagnetic camshaft-adjuster device having an armature unit (14, 42) drivable along an axial direction in reaction of a current feed of a stationary inductor unit (10), which for interacting with an adjusting unit (16, 48) causing adjustment of a camshaft of an internal combustion engine is configured with a slide and/or tappet unit, wherein on and/or in the armature unit and/or the adjusting unit, a permanent magnet element (20, 44) is provided and the inductor unit and the armature unit are at least partially received in a housing or supporting unit, and wherein the supporting unit is associated with a configured stationary magnetic field detection element (22, 38) preferably for contactless magnetic interaction with the permanent magnet element, which is configured so that in a current feed condition and a non current feed condition the inductor unit an axial position of the armature unit and/or the adjusting unit can be determined electronically by evaluating a magnetic field detection signal of t

Abstract: An electromagnetic actuating device comprising an armature unit which can be moved along a longitudinal axis relative to a stationary core by passing a current through a coil device, said armature unit being designed to form or define a fluid flow channel, wherein the armature unit has at one end an axially elongate cylindrical section, to which an annular groove-shaped section of reduced outer diameter is connected in the direction of the longitudinal axis, wherein the fluid flow channel extends into the annular groove-shaped section, wherein the fluid flow channel runs through the elongate cylindrical section in the manner of a through-channel, in particular a through-bore, running obliquely with respect to the longitudinal axis, so that a first opening at the end side and/or an opposite second opening of the through-channel are provided outside the cylindrical outer wall of the elongate section.

Abstract: An electromagnetic actuating device comprising an armature unit which can be moved along a longitudinal axis relative to a stationary core by passing a current through a coil device, said armature unit being designed to form or define a fluid flow channel, wherein the armature unit has at one end an axially elongate cylindrical section, to which an annular groove-shaped section of reduced outer diameter is connected in the direction of the longitudinal axis, wherein the fluid flow channel extends into the annular groove-shaped section, wherein the fluid flow channel runs through the elongate cylindrical section in the manner of a through-channel, in particular a through-bore, running obliquely with respect to the longitudinal axis, so that a first opening at the end side and/or an opposite second opening of the through-channel are provided outside the cylindrical outer wall of the elongate section.

Abstract: An electromagnetic actuator device has a core unit with a coil device designed to cooperate with armature units displaceably guided relative to the core unit in response to current applied to the coil device, wherein the core unit is designed to cooperate with a plurality of spatially separated plunger units of the armatures so that an electromagnetic interaction takes place with the plurality of plunger units in response to current applied to a coil of the coil device.

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: An electromagnetic regulator having an armature unit with a plunger unit (12) carrying out a linear movement when energized by a current flowing in a stationary coil unit (26, 38), wherein the plunger unit is designed to cooperate at the end thereof with a regulator partner (10). The plunger unit has a slide or ball bearing (36) at the end thereof which is fixed in a cage-like housing (38, 40) on the plunger unit such as to be able to rotate in reaction to a frictional force at right angles to the direction of the linear regulation movement.

Abstract: An electromagnetic actuating apparatus having an electromagnetic actuating unit which can be operated in order to exert an actuating force for an elongated plunger unit, wherein the actuating unit is provided in a housing along its actuating direction. The actuator unit forms an engagement surface which is planar in places and can be moved axially in the actuating direction, at an engagement end facing the plunger unit, an end surface of the plunger unit on the engagement side interacts detachably with the engagement surface, and the plunger unit is seated by magnetic attraction with its end surface on the engagement side on the engagement surface of the actuator unit, wherein the plunger unit is preferably designed to be soft-magnetic and furthermore preferably composed of soft iron, in the area of the end surface.

Abstract: Actuator apparatus having a drive element (26) which can tilt and/or pivot in a predetermined manner in response to electrical activation and which is formed such that it can be contacted by an output partner in order to transmit mechanical drive energy, wherein the drive element, as a connection element, is operatively connected to two expansion units (10, 12; 40, 42), which are formed by means of magnetic shape-memory alloy material, such that the connection element executes a tilting and/or pivoting movement in response to an expansion or contraction movement of one of the expansion units, expansion or contraction movement being produced by the electrical activation and also a magnetic field which is generated by said electrical activation.