Eto Magnetic Gmbh

Daimler Ag

Markus Laufenberg

Thomas Schiepp

Oliver Thode

Maximilian Schautzgy

Raphael Bory

Jonas Boll

Daniela Haerter

Robert Steyer

Philipp Terhorst

Viktor Raff

Bernd-Heinrich Schmitfranz

Harald Eckhardt

Anton Blank

René Schnetzler

Markus Raab

Bernhard Ernst

Simone Nowak

Emmanouel Pagounis

Anne Drevermann

Laszlo Sturz

Daniela HÄRTER

A positive-displacement pump device has at least one shape-memory unit including at least one magnetic shape-memory element, which is configured to convey at least one medium along at least one transport direction, wherein the positive-displacement pump device includes at least one deformation unit, which is configured, for the purpose of providing a transport volume, to deform the magnetic shape-memory element, at least in an idle state in which the positive-displacement pump device is free of a current and/or voltage supply, by a pressure force and/or traction force acting in the transport direction such that the magnetic shape-memory element includes at least one first partial region and at least one second partial region which differ from one another at least by their magnetic orientations.

Positive displacement pump device

A small appliance device, in particular a body-care appliance device, in particular a shaving apparatus device, beard-trimming device, hair-trimming device, epilating appliance device, tattooing appliance device, toothbrush device or the like, has a drive unit which comprises at least one drive element, wherein the drive element comprises at least one magnetically shape-shiftable material.

Small appliance

An overcurrent protection device for a circuit to be monitored, includes at least one trigger unit, which is configured for an interruption of the circuit in at least one trigger situation and which comprises at least one conductor section, which is configured for a conduction of a current to be monitored, at least one trigger element, which comprises at least one magnetically and thermally shape-shiftable material and is, in the trigger situation, configured for a thermally-induced and/or magnetically-induced deformation in dependence on a current that flows through the conductor section, and at least one actuation element, which is operatively connected with the trigger element and is configured for a transmission of at least one actuation movement and/or at least one actuation force to at least one interrupter switch.

Overcurrent protection device

An actuator device has at least one actuator element which at least in part is composed of a magnetically shape-shiftable material, and has a magnet unit which comprises at least one first magnetic element that is implemented as a coil unit and at least one second magnetic element that is implemented as a permanent magnet, at least the first magnetic element and the second magnetic element are configured for interacting in at least one operating state so as to cause a local deformation of the actuator element in a partial region of the actuator element.

Actuator system and use of an actuator system

An actuator device includes at least one stationary unit, with at least one electromagnetic actuator element which is movable relative to the stationary unit, and with at least one shape-memory element which is implemented at least partly of a shape-shiftable shape-memory material, wherein the shape-memory element is configured, in at least one operation state, to at least partly hinder a movement of the actuator element in a first movement direction and in a second movement direction that differs from the first movement direction, at least via a mechanical deformation.

Actuator device and method for operating an actuator device

A gripper device () which is designed so as to be movable along a movement path, and which serves for grasping and holding a workpiece () and for moving the workpiece along the movement path, with at least one first contact section () which, to produce an operative pairing with the workpiece that effects the gripping or holding action, can be driven relative to a second contact section (), which first contact section is assigned actuator means (), which are designed to exert a drive force in reaction to the application of a magnetic field, and which are composed of a magnetic shape-memory alloy material, wherein the actuator means for magnetic interaction are formed, for the application of a magnetic field, with magnetic field generating means that are static at one position of the movement path (), and/or with magnetic field generating means that are provided so as to be movable independently of the gripper device.

Gripper device, and use of a gripper device

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.

Actuator device having a magnetic shape-memory element

An MSM actuator system, comprising at least one expansion unit () having a magnetic shape memory material (MSM); coil means () for creating the magnetic flux; and flux-conducting means (to) made from a magnetically conductive material, the flux-conducting means constructed for enclosing by means of the coil means and magnetically flux-conducting contacting of the expansion unit by means of mutually opposite end sections ().

MSM actuator system

An actuator device for bidirectional adjustment of an adjusting body constructed for interaction with an adjustment partner and preferably realized as a tappet (), having first adjustment means (), which have expansion means having a magnetically effective shape-memory alloy material () 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 energizing of first coil means (), and second adjustment means () 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, characterized in that the second adjustment means have an electromagnetically or electromotively driven actuator and therefore for moving the adjusting body in the second adjustment direction construct a drive, which can be activated as a reaction to signal loading, particularly a second electrical energizing.

Actuator device with resetting means

An actuator device having an expansion unit (), which comprises a magnetically active shape memory alloy material () and which carries out an expansion movement from a starting position along an expansion direction as a reaction to an energization of a coil device () and interacts with restoring means which exert on the expansion unit () a restoring force opposite to the expansion direction, wherein the restoring force has permanent magnets which act or are seated on a section of the expansion unit () such that the restoring force generated magnetically by the permanent magnets changes with increasing expansion stroke in the expansion direction, wherein the permanent magnets () are embodied and/or designed such that the expansion unit () can contract into the starting position along the expansion stroke when the coil device () is not energized.

Actuator device

An actuator having a drive element made of a magnetic shape memory material is driven responsive to electrical control of a plurality of coil apparatuses and carries out an expansion movement in response to the control. The coil apparatuses are magnetically connected to the drive element via flux-concentrating apparatus having a flux-concentrating section associated with the coil apparatuses for interaction with the drive element. Each flux-concentrating apparatus has a core section and connecting section, which conducts a magnetic flux to the drive element, such that a magnetic flux-concentrating circuit for each of the coil apparatuses is formed by the common drive element. The flux-concentrating circuits are magnetically connected in parallel with one another, based on the common drive element, and/or a magnetic flux direction of a magnetic flux in the particular flux-concentrating circuit in the drive element has the same orientation.

Actuator using magnetic shape memory material, coils and permanent magnets

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.

Actuator device and process for producing an actuator device

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. Permanent magnet elements are connected magnetically parallel to the coil unit in such a way that a permanent-magnet magnetic flux of the permanent magnet elements through the first yoke section can occur, a coil magnetic flux of the coil unit flowing across the air gap is overlaid in a magnetically parallel and/or equally directed manner with a permanent-magnet magnetic flux of the permanent magnet elements flowing across the air gap, and activation of the coil unit by means of energizing causes an at least partial magnetic flux shift, in particular magnetic flux displacement, of the permanent-magnet magnetic flux of the permanent magnet elements from the first yoke section to the second yoke section.

Electromagnetic actuator device

An electromagnetic actuator device, comprising a coil unit (), which surrounds a first yoke section () of a stationary yoke unit and can be 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 which can be 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 () for a magnetic flux produced by the activated coil unit.

Actuator having a drive element () which can be driven in reaction to electrical operation of a coil device (), said drive element consisting of a magnetic shape-memory material and being designed to transmit mechanical drive energy to an actuating partner (), wherein the drive element, which is in the form of an expansion unit () and is aligned such that it extends in a drive direction (), is associated with a pair of laterally adjacent magnetic flux guide elements () 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 () being provided such that it is circumferential around the expansion unit () which extends axially in the drive direction.

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Stockach, Germany

Markus Laufenberg