Abstract: An actuator for a magnet valve, the actuator including a housing including a terminal wall including an opening; and an armature arranged in the housing and movable in an axial linear manner between a first end position and a second end position, wherein the opening is closed by a terminal cover, wherein the terminal cover includes a contour that protrudes at least in a direction towards the armature, and wherein the contour includes a first section that defines the second end position of the armature.

Abstract: An actuator for a hydraulic valve for a cam phaser, the actuator comprising a magnetisable actuator housing that envelops a magnet coil; a pole group that is arranged in a housing receiver opening of the magnetisable actuator housing, wherein the pole group includes a pole core and a pole tube, wherein the pole core and the pole tube are connected by a connection bar and the pole core is connected with the connection bar by a pole core cone, or the pole tube is connected with the connection bar by a pole tube cone, wherein an armature is received axially movable in an inner space of the pole group.

Abstract: An actuator for a hydraulic stroke or pressure control valve for a motor vehicle, the actuator including a magnetisable actuator housing that envelops a magnet coil; a pole group arranged in a receiving opening of the actuator housing, wherein the pole group includes a pole core and a pole tube, wherein an axially movable armature is arranged in an inner cavity of the pole group, wherein the armature is configured to axially move a piston of the hydraulic valve by a pin that is supported axially movable in the pole group, wherein the actuator is configured to perform an anti-stick function and a contact damping function, wherein the pin directly contacts a first armature face of the armature that is oriented towards the pin, and wherein the pin is configured axially movable relative to the armature.

Abstract: An expansion valve operable by a stepper motor, the expansion valve including a housing; a hollow shaft arranged in the housing; a valve base that supports the hollow shaft and closes the housing; a rotor drivable by a stator of the stepper motor; a center spool arranged in the hollow shaft and drivable by the rotor so that a rotation of the center spool is transferrable by a threaded connection into an axial movement of the center spool that opens or closes the expansion valve; and a sleeve that includes a receiving portion that includes at least portions of the center spool, of a compression spring and of a force transmission element respectively and a valve needle, wherein the receiving portion of the sleeve element is closed by a bushing.

Abstract: An oil control valve for a cam phaser of an internal combustion engine, the oil control valve including a valve housing, including a first operating connection, a second operating connection, a supply connection, and a tank drain connection configured to drain a hydraulic fluid; a piston assembly, including a piston, a hollow check valve tube, a first check valve and a second check valve configured to provide cam torque recirculation, wherein the piston assembly is arranged in the housing axially displaceable by an actuator, wherein a control chamber is arranged within the piston between the first check valve and the second check valve and wherein a check valve compression spring which closes the first check valve and the second check valve is arranged within the piston between the first check valve and the second check valve.

Abstract: An arrangement configured to introduce a force from a fastening element into a plastic component, the arrangement including a force-limiting element that is embedded in the plastic component; wherein the fastening element is configured to fasten the plastic component at a body; wherein the fastening element is insertable through the force-limiting element, and wherein the plastic component includes a retention device which protrudes at least partially into an interior of the force-limiting element so that the fastening element that is inserted into the force-limiting element is retained in the force limiting element.

Abstract: Valve control device (100) for a coolant circuit of a motor vehicle, said valve control device (100) comprising a first valve (120) having an assigned first functional element (125) comprising a first engagement unit (122), a second valve (150) having an assigned second functional element (155) comprising a second engagement unit (152), wherein the first valve (120) and the second valve (150) in terms of the switch position thereof are configured so as to be variable by rotating the respective assigned functional element (125, 155), a locking mechanism (200) comprising an entrainment installation ( ), wherein the locking mechanism (200) is configured so as to be able to be driven by means of a drive (300), wherein the locking mechanism (200) in a rotating movement, by means of the entrainment installation (210) engaging in the first engagement unit (122), is configured for transferring the first functional element (125) from a first switch position to a second switch position, and/or, by means of the entrainm

Abstract: A hydraulic valve for a cam phaser, the hydraulic valve including a bushing including a piston that is movable in a bore along a longitudinal direction; a supply connection configured to feed a hydraulic fluid; a first operating connection and a second operation connection; and a first tank drain connection and a second tank drain connection configured to drain the hydraulic fluid; and a first check valve associated with the first operating connection and a second check valve associated with the second operating connection, wherein the first operating connection and the second operating connection are connectable through at least one of the first check valve and the second check valve alternatively with each other or with the supply connection or with one of the first tank drain connection and the second tank drain connection by moving the piston, wherein the hydraulic valve includes five switching positions.

Abstract: The invention relates to a system for monitoring the position of the valve needle of an expansion valve, having an expansion valve having a valve seat; a valve needle which is configured so as to be convertible axially between a first position in which the valve needle is received by the valve seat and closes the expansion valve, and a second position in which the valve needle is axially spaced apart from the valve seat and the expansion valve is at least partially opened; wherein the expansion valve has a magnet which is fixedly assigned to the valve needle such that the magnet is axially movable conjointly with the valve needle; and has a Hall sensor, wherein the Hall sensor is fixedly assigned to the valve seat and, by means of the flux density vector of the magnet, is configured for determining directly the absolute axial position of the valve needle.

Abstract: The invention relates to an electromagnetic proportional valve, preferably for refrigerant, which has the following: an armature of an electromagnet which is arranged so as to be able to be moved axially between an idle position, an activation position and working positions and on which an activation element is arranged; a piston which is constructed as a hollow piston and which has at a first axial end region a first opening toward a supply of the expansion valve and at a second axial end region a second opening toward a pressure compensation space; and a blocking member which is constructed to close the second opening, wherein the piston is arranged so as to be able to be axially displaced and wherein the piston is constructed to block a fluid passage as a blocking element of a main valve device, wherein the fluid passage of the main valve device is blocked in the idle position of the armature, wherein the activation element is constructed to act in the activation position of the armature on the blocking me

Abstract: A hydraulic valve including a valve housing; and a valve piston that is axially movable in the valve housing along a first longitudinal axis of the valve housing, wherein the valve housing includes a supply connection for feeding a hydraulic fluid, at least one operating connection and at least one tank connection for draining the hydraulic fluid, wherein the valve piston is movable by an electromagnetic actuator of the hydraulic valve, wherein the valve housing forms a hydraulic portion and the actuator forms a magnet portion of the hydraulic valve, wherein a divider element is arranged between the hydraulic portion and the magnet portion, and wherein the divider element is configured to provide a flow connection between the hydraulic portion and the magnet portion and vice versa.

Abstract: A sleeve for a cam phaser, wherein the sleeve is arranged between a central valve and a rotor of the cam phaser, wherein the rotor is rotatable relative to a stator of the cam phaser about a rotation axis of the rotor, wherein a vane of the rotor is arranged positionable between two bars of the stator, wherein the vane divides an intermediary space that is formed between the two bars into a first pressure chamber and a second pressure chamber, wherein the rotor is movable by pressures that are provided in the first pressure chamber and in the second pressure chamber, wherein the central valve is configured to provide pressure loading and pressure relief of the first pressure chamber and the second pressure chamber.

Abstract: The invention relates to a drive device for activating a rotary slide for a fluid system of an at least in part electrically operated motor vehicle. The drive device comprises an electric motor having a motor output shaft, a rotary slide output shaft configured for activating a rotary slide, wherein the rotary slide output shaft is aligned so as to be orthogonal to the motor output shaft, and a magnet is disposed on an end region of the rotary slide output shaft, and a sensor unit which is configured for detecting a rotary position of the magnet and thus of the rotary slide output shaft.

Abstract: An actuator for actuating a hydraulic valve, the actuator including a winding body configured to receive a magnet coil, wherein the winding body envelops an armature chamber; a pole tube which is at least partially insertable into the armature chamber; and a cover element including a contact arrangement for controlling the actuator, wherein the cover element is interlockable at a face of the winding body to close the armature chamber. A method for producing the actuator according to claim 1, the method including providing the winding body; introducing a pole tube into the armature chamber; and closing the armature chamber by interlocking the cover element with the winding body.

Abstract: A hydraulic valve for a cam phaser, the hydraulic valve comprising: a bushing including a piston that is movable in a bore along a longitudinal direction; a supply connection for feeding a hydraulic fluid; a first operating connection and a second operation connection; and a first tank drain connection and a second tank drain connection configured to drain the hydraulic fluid, wherein a first check valve is associated with the first operating connection and a second check valve is associated with the second operating connection, and the first operating connection and the second operating connection are connectable through at least one of the first check valve and the second check valve alternatively with each other or with the supply connection or with the first tank drain connection or with the second tank drain connection by moving the piston, wherein the hydraulic valve includes five switching positions,

Abstract: A control valve for a cam phaser of an internal combustion engine, the control valve including a cylindrical housing, including a first operating connection, a second operating connection, a supply connection, and a tank drain connection configured to drain a hydraulic fluid; a control piston device, including a control piston, a supply tube, a first check valve and a second check valve enabling cam torque recirculation, wherein the control piston device is arranged in the housing and axially movable by an actuator, wherein the first check valve is configured with a first disc portion and a second disc portion and the second check valve is configured with a third disc portion and a fourth disc portion and the first check valves and the second check valve are arranged offset from each other by a compression coil spring.

Abstract: An electromagnetic pressure control valve including an electromagnetic actuator configured to position a piston that is received axially movable in a receiving opening of a valve housing of the electromagnetic pressure control valve, wherein the piston facilitates opening and closing flow connections of the electromagnetic pressure control valve, wherein the piston receives a pin at a piston face that is oriented away from the electromagnetic actuator, wherein a relative movement is enabled between the pin and the piston, wherein the pin includes a pin face that is arranged in the valve housing and oriented away from the piston and arranged opposite to a stop, and wherein the pin is fixed at the stop so that a movement of the pin in a direction towards the stop is eliminated.

Abstract: A piston for an electromagnetically actuatable hydraulic valve wherein the piston is configured cylindrical and axially movable along a central opening that extends along a longitudinal axis of a housing of the electromagnetically actuatable hydraulic valve, wherein plural connections of the housing are opened or closed according to a position of the piston wherein the plural connections are flow connected with the central opening, wherein the hydraulic valve is hydraulically actuatable by a signal element, wherein a damping system is provided for reducing oscillations of a signal pressure of the signal element that impacts the piston, and wherein the damping system is configured in the piston that includes a receiving cavity for receiving the damping system.

Abstract: A piston for a hydraulic unit of a cam phaser, wherein the piston is configured cylindrical and wherein the piston is received axially movable in a cam phaser opening of the cam phaser, wherein according to a positioning of the piston a plurality of connections, in particular operating connections of the cam phaser are opened and closed, wherein the piston includes an outer contour that is configured for opening or closing the connections wherein the outer contour is configured complementary to an inner contour of the cam phaser opening in order to provide opening and/or closing of the connections. The invention also relates to a cam phaser.

Abstract: A hydraulic valve for a cam phaser, the hydraulic valve including a housing; a hollow cylindrical piston that is axially movable in a central opening of the housing that extends along a longitudinal axis of the housing and that includes shoulders; a supply connection configured to feed a hydraulic fluid; a first operating connection; a second operating connection; a tank connection, wherein one of the first operating connection and the second operating connection is connectable with the supply connection and another of the first operating connection and the second operating connection is connectable with the tank connection as a function of an axial position of the hollow cylindrical piston, wherein the hollow cylindrical piston includes a feed channel configured to connect with the supply connection and a drain channel configured to connect with the tank connection, wherein a divider wall is configured between the supply connection and the tank connection.