Stockach, Germany
Stockach, Germany

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A solenoid valve (1), in particular for closing a bypass in a coolant circuit of an internal combustion engine, with an energizable winding (3) and an armature (2) that is adjustable in the direction of a core by energizing the winding, which armature (2) force-loads a valve plunger (8) with energized winding (3) in the direction of a closing position, in particular against the spring force of a resetting spring (18), wherein when the armature (2) is energized a pin (12) which is adjustable together with the armature for adjusting the valve plunger (8) in the direction of the closing position is provided, by way of which the valve plunger (8) by way of adjusting the armature (2) upon energization can be force-loaded in the direction of the closing position, and which is spring force-loaded by a pressure limiting spring (13) in the direction of the closing position of the valve plunger (8) and which by way of the valve plunger (8) upon an axial valve plunger movement of the valve plunger (8) out of its closing position is adjustable for opening the solenoid valve (1) despite the armature (2) that is adjustable in the direction of the core (6) against the spring force of the pressure limiting spring (13).


Patent
ETO MAGNETIC GmbH | Date: 2014-11-12

A camshaft adjustment device comprising an electromagnetic actuator (3) having an armature that can be adjusted axially along an adjustment axis (5) for actuating a hydraulic valve for camshaft adjustment, and fastening means for fastening the actuator (3) on an engine element (3), wherein the fastening means comprise spring means (12), which tension the actuator (3) against the engine element (2) in a securing position (13), wherein the fastening means have positive-fitting means (8) as an anti-twist device for preventing a twisting movement of the actuator (3) in an installation position (7) relatively to the engine element (2), which are constructed and arranged in such a manner that the actuator (3) can be moved to the engine element (2) by means of a pure translational installation movement and wherein the spring means (12) in the securing position (13) bar a de-installation path for a purely translational de-installation movement of the actuator (3) opposite to the installation movement in such a manner that the same cannot be de-installed oppositely to the purely translational installation direction.


Patent
ETO MAGNETIC GmbH | Date: 2014-12-18

An electromagnetic actuating mechanism comprising an armature unit (10) which can be moved by a certain armature excursion along an axial direction of travel as a result of stationary coil means being energized, plunger means (16) which are associated with the armature unit, are designed such that the end thereof cooperates with an external actuating partner, and can be moved by a certain plunger excursion along the direction of travel from a starting position into an engagement position, and spring means (22) which bias the plunger means in the direction of travel.


Patent
ETO MAGNETIC GmbH | Date: 2014-07-18

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.


Patent
ETO MAGNETIC GmbH | Date: 2014-08-15

An MSM actuator system, comprising at least one expansion unit (22) having a magnetic shape memory material (MSM); coil means (27) for creating the magnetic flux; and flux-conducting means (10 to 16) 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 (18, 20).


Patent
ETO MAGNETIC GmbH | Date: 2014-04-03

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 axial direction (10) on or in a housing end region (16) or is angled out of a position of extent of this kind after connection, wherein the housing end region is axially opposite a housing outlet for the armature unit (14).


Patent
ETO MAGNETIC GmbH | Date: 2014-05-16

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 direction construct a drive, which can be activated as a reaction to signal loading, particularly a second electrical energising.


Patent
ETO MAGNETIC GmbH | Date: 2015-01-22

An electromagnetic valve for safety-related pneumatic systems in motor vehicles, with an armature (9), which, by means of current supplied to an electrical winding (6), can be displaced axially relative to a core (13) and relative to a first valve seat (2), inside an inner channel of a coil carrier carrying the winding (6) on a winding section, wherein, in the armature (9) is arranged a guide channel, into which projects axially a guide pin (3) formed integrally with the coil carrier (1), so as to guide the armature (9) in the course of its axial displacement.


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 bisector of the connecting path.


Patent
ETO MAGNETIC GmbH | Date: 2014-05-28

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.

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