Abstract: An electromagnetically actuated piston slide valve includes a piston slide arrangement with a piston which is axially displaceable for regulating a free cross section of a fluid passage of the valve. The piston slide arrangement contains a first magnetic armature connected to the piston and a second magnetic armature which is axially displaceable with respect to the piston. The piston is axially displaceable against the force of a first biasing spring by generating an electromagnetic field through energizing a coil. A second biasing spring rests against the first magnetic armature and the second magnetic armature, so, in the unenergized state of the coil, the piston takes a predetermined position by axial displacement due to the force of the first biasing device against the force of the first biasing device. A permanent magnet generates an attractive force between the first and the second magnetic armature which counteracts the second biasing spring.

Abstract: An electro-hydraulic motor-pump unit, MPU, having a pump for conveying a hydraulic fluid in a hydraulic system, an electric motor coupled to the pump for driving, a control coupled to the electric motor and arranged for actuating and/or feedback-controlling the electric motor, and a housing, wherein at least one sensor is disposed in a sensor receiving means integrated in the housing and is electrically connected with the control. Additionally, the invention relates to a hydraulic system comprising hydraulic lines and connected to the hydraulic lines an MPU of the invention with at least one integrated pressure sensor.

Abstract: An electromagnetically actuated piston slide valve and an assembly set for such a valve with which an NC valve and an NO valve can be fabricated. Such a valve of the NC construction type comprises a valve housing with corresponding connectors and a fluid passage. A slide coupled with a magnetic armature is provided for regulating a free cross-sectional area of the fluid passage. A first spring urges the slide in an opening direction and a second spring urges the slide in an opposite closing direction, wherein the first and the second spring are adapted such that, in the electrically unenergized state of the coil, the slide adopts a position in which the fluid passage is closed.

Abstract: A method for manufacturing a magnetic valve and a corresponding magnetic valve, in particular for the use for electrically continuously adjustable shock absorbers of a vehicle. A valve housing and a magnetic armature which is movably supported relative to a longitudinal axis of an electrically energizable coil and which is at least partially surrounded by a pole tube which is at least partially surrounded by a coil body of the coil that in turn is cast with a casting compound, provides a corrosion protection cap covering an axial end of the pole tube. The corrosion protection cap establishing a connection to the casting compound and protecting the axial end of the pole tube against corrosion influences from the atmosphere.

Abstract: A pump having a canned motor which has a stator with an internal rotor disposed therein, the stator and the internal rotor being mutually separated fluid-tightly by a can disposed between stator and internal rotor, the stator having stator teeth which extend radially in the direction of the internal rotor and define with appurtenant stator-tooth end faces a receiving space for the internal rotor and the can, the can lying against the stator-tooth end faces, the can having on its surface facing the stator, in stator-tooth gaps which are respectively defined by two mutually adjacent stator teeth, ribs fitted in in a form-locking manner which taper in the radial direction, starting out from a rib root disposed on the can, with regard to a rib thickness defined in the circumferential direction of the can.

Abstract: An electromagnetically operated valve, comprises a valve slide with a magnet armature, which is equipped to close a sealing seat in a fluid channel of the valve with a first axial end in a closed position, as well as a sealing element with folded bellows situated between the sealing seat and the first axial end of the valve slide and separates the valve slide from the fluid channel with a fluid-tight seal. The magnet armature is supported in the valve in an essentially non-contact manner due to the fact that the valve slide has a guide pin protruding in the axial direction from the magnetic armature on a second axial end opposite the first axial end, the guide pin being supported to slide in the axial direction; and the valve slide is aligned in the radial direction on a side of the magnet armature facing the first axial end of the valve slide and is supported so it is movable in the axial direction by means of at least one spring element.

Abstract: A connection device for high currents for detachably connecting an electrified apparatus, e-apparatus, with a terminal current conductor, to a respective terminal device and to a respective line terminal device. A terminal part is fastenable to a housing part of the e-apparatus and a connection current conductor extends through the terminal part into the interior of the housing and at an end there is connectable with the current terminal and at a different end has a first contact area; through the line terminal part there is led the terminal current conductor and the line terminal part is form-fittingly inserted at least partly in a receiving mechanism at the terminal part such that the first contact area contacts a second contact area of the terminal current conductor.

Abstract: A linear actuator for an active engine mount of a vehicle has a stator with a coil that can be fed with electric current for generating an electromagnetic field and an actuating element that is mounted in axially movable fashion with reference to the stator. The actuating element comprises an armature and a ram extending in axial direction and is so mounted in the stator by means of at least one spring element that it can be moved axially in frictionless fashion when the coil is fed with current. The actuating element comprises a support element of a non-magnetic light-weight construction material extending in radial direction between the armature and the ram. Advantageously, the armature is provided only in such regions where there run magnetically relevant field lines of the electromagnetic field of the coil.

Abstract: A method for manufacturing a solenoid-armature ram composite and a corresponding solenoid-armature ram composite for a linear actuator which has a stator with a coil that can be fed with electrical current for producing an electromagnetic field and a single-part or multi-part solenoid armature movable along a longitudinal axis of the coil and a ram connected with the solenoid armature, provides that the solenoid armature surrounds the ram in a ring shape and a gap between the ram and the solenoid armature is cast with a casting material.

Abstract: An electrically or electromagnetically operated valve has a movable structural group with a magnetic armature, which is movable along an axis between a first and a second position to open or close the valve. The valve has a valve sleeve in which the magnetic armature is movable between the first and the second position, the magnetic armature defining on its axial sides two volumes in the valve sleeve. There is provided a throttling element elastic in the radial direction, which is arranged between the first volume and the second volume such that upon axial movement of the movable structural group it throttles an air stream between the first volume and the second volume in order to decelerate a movement of the movable structural group.

Abstract: An electromagnetically actuated piston slide valve includes a piston slide arrangement with a piston which is axially displaceable for regulating a free cross section of a fluid passage of the valve. The piston slide arrangement contains a first magnetic armature connected to the piston and a second magnetic armature which is axially displaceable with respect to the piston. The piston is axially displaceable against the force of a first biasing spring by generating an electromagnetic field through energizing a coil. A second biasing spring rests against the first magnetic armature and the second magnetic armature, so, in the unenergized state of the coil, the piston takes a predetermined position by axial displacement due to the force of the first biasing device against the force of the first biasing device. A permanent magnet generates an attractive force between the first and the second magnetic armature which counteracts the second biasing spring.

Abstract: The invention relates to a method for manufacturing a pole tube, with two magnetic pole tube parts, for an electromagnet, in particular for a magnetic valve of an automatic transmission in an automobile, including the following steps: (a) arranging the pole tube parts on a centering arbor; and (b), connecting, in particular insert molding and/or casting an outer lateral surface of the pole tube parts; wherein the centering arbor has a radially expandable cylinder surface also closed even in the expanded state. Further, the invention relates to, in particular with the method obtainable, a pole tube, an electromagnet for a magnetic valve, in particular for an automatic transmission in an automobile, having a pole tube according to the invention, and an apparatus for the manufacture of the pole tube.

Abstract: An electromagnetically or electrically operated valve possesses a closing element that is axially displaceable between a closed position and an open position. The closing element is pressure-compensated, by the pressure present on the front side of the closing element being passed to the back side thereof. Between the front and back sides the closing element is sealed radially against a surrounding structural element by means of a dynamic seal. The circumferential sealing gap varies in width in dependence on the axial position of the closing element, so that the dynamic seal seals reliably only in the closed position, while in other positions the static friction of the dynamic seal is reduced.

Abstract: The pole geometry of an electromagnetic switch valve includes a cylindrical well on the pole member, which is penetrated by a cylindrical pin on the magnetic armature. This obtains a magnetic force-stroke curve that first extends proportionally starting out from the initial position of the magnetic armature and then rises progressively until the magnetic armature reaches the end position. Continuously increasing the energizing of the magnetic drive upon shifting of the magnetic armature from its initial position into its end position enables the noise formation upon the closing process of the valve to be reduced. Accordingly, the noise formation upon the opening process of the valve can be reduced when the energizing of the magnetic coil is reduced not abruptly but continuously.

Abstract: A linear actuator for an active motor mount of a motor vehicle includes a stator which has an electrically energizable coil for generating an electromagnetic field, as well as a magnetic armature which is mounted axially movable with regard to a longitudinal axis of the coil and has at least one permanent magnet ring which opposes the stator and has several permanent magnet ring segments. Between a surface of the permanent magnet ring segments which faces the stator and a surface of the stator which faces the permanent magnet ring segments there exists an angular gap with a gap angle (?) of preferably 4°.

Abstract: A valve body arrangement for a hydraulic or pneumatic valve comprises two elements between which a valve body is retained. The two elements are welded together in a first region, preferably by the laser transmission method, and clamp the valve body in a second region with a force.

Abstract: A method for producing a positively balanceable internal armature to be used in an electric motor, in particular a direct-current electric motor, which makes it possible that the structural group is configured such that a balancing of the internal armature can take place with little technical effort. A manufacturing apparatus which is arranged to execute the proposed method or which can be operated by the proposed method. Further, an internal armature to be used in an electric motor as well as to the electric motor itself. Further, a computer program product is proposed, having control commands which implement the proposed method or operate the proposed manufacturing apparatus.

Abstract: An electrically or electromagnetically operated valve has a movable structural group with a magnetic armature, which is movable along an axis between a first and a second position to open or close the valve. The valve has a valve sleeve in which the magnetic armature is movable between the first and the second position, the magnetic armature defining on its axial sides two volumes in the valve sleeve. There is provided a throttling element elastic in the radial direction, which is arranged between the first volume and the second volume such that upon axial movement of the movable structural group it throttles an air stream between the first volume and the second volume in order to decelerate a movement of the movable structural group.

Abstract: A connection device for high currents for detachably connecting an electrified apparatus, e-apparatus, with a terminal current conductor, to a respective terminal device and to a respective line terminal device. A terminal part is fastenable to a housing part of the e-apparatus and a connection current conductor extends through the terminal part into the interior of the housing and at an end there is connectable with the current terminal and at a different end has a first contact area; through the line terminal part there is led the terminal current conductor and the line terminal part is form-fittingly inserted at least partly in a receiving mechanism at the terminal part such that the first contact area contacts a second contact area of the terminal current conductor.

Abstract: A pressure reducing valve of an air damping system of motor vehicle chassis makes available a constant output pressure when the input pressure varies. The pressure reducing valve has a housing with a general longitudinal axis, at least one fluid input opening and at least one axial fluid passage opening. In the housing a valve piston with a valve body is mounted displaceably which forms a seat valve with the axial fluid passage opening. An elastic diaphragm arranged stationarily in the housing is coupled to the valve piston and forms two axially active differential pressure areas. A pressure return passage penetrates the valve piston and guides an output pressure present downstream of the seat valve onto the elastic diaphragm.