Abstract: A friction surface clutch (10) for use in motor vehicles is provided. The friction surface clutch includes a first tapered element having a first friction surface and a second tapered element having a second friction surface, along with an actuating device having an actuating element for force-locked connection and disconnection of the tapered elements. The actuating device includes a pressure element coupled to the actuating element and a lever device interacting with the first tapered element. The first tapered element has a guide part in which the pressure element can be guided in a torsion-resistant way relative to the first tapered element prior to reaching a wear limit of the friction surfaces and can be engaged with the lever device to disconnect the force-locked connection. The pressure element can be detached from the guide part when the wear limit of the friction surfaces is reached.

Abstract: A spring for a check valve which can be used in particular in controllable vibration dampers, said spring comprising a flat main body with a first surface, a second surface and a centre point, and two or more spring arms, which cooperate resiliently with the main body and in the unloaded state protrude from the first surface or the second surface, the spring arms forming a free end and having a longitudinal axis that runs through the free end and tangentially to a circle about the centre point of the main body. The invention further relates to a check valve having a spring of this kind. In addition, the invention relates to a controllable vibration damper which comprises such a check valve, and to a motor vehicle having a controllable vibration damper of this kind.

Abstract: The present invention relates to a pressure control valve (30) for open-loop or closed-loop control of a pressure of a compressed fluid in a pilot pressure chamber (12), comprising a valve housing (50) with at least one inlet (41) which can be fluidically connected to the pilot pressure chamber (12), and at least one outlet (43); a wall section (51) which is permanently arranged in the pressure control valve (30) and which wall section has a passage channel (60) through which the compressed fluid can flow, and forms a first valve seat (58); a tappet (52) which is mounted in the valve housing (50) so as to be movable along a longitudinal axis (L) by means of an actuation device (49) that can be energized; a first sealing element (54) which forms a second valve seat (66), is mounted in the valve housing (50) so as to be movable along the longitudinal axis (L) and is biased by means of a first spring (56) against the actuation direction (B) of the actuation device (53) into a closure position in which the first

Abstract: A coupling arrangement is provided and includes a first component, a second component, a press-on element, and an actuating unit, such that the second component can be displaced from a first position to a second position. The actuating unit includes an actuator and a lever rotatably mounted in the second component about an axis of rotation perpendicular to a longitudinal axis and having a contact surface to contact a fixed mating surface. The contact surface and/or the mating surface has a convex curvature, and the actuator and the lever cooperate such that the movement of the actuator along the longitudinal axis is converted into movement of the lever on the mating surface, and such that the second component is displaced along the longitudinal axis in the second position.

Abstract: The invention relates to a friction surface clutch (10) for use in motor vehicles, in particular for switching an air compressor or the like, wherein the friction surface clutch comprises a first tapered element (11) having a first friction surface (12) and a second tapered element (13) having a second friction surface (14), wherein the friction surface clutch has an actuating device (15) having an actuating element (16) for force-locked connection and disconnection of the tapered elements, wherein the tapered elements are in force-locked connection in an unactuated operating state of the friction surface clutch, wherein the actuating device comprises a pressure element (21) coupled to the actuating element and a lever device (22) interacting with the first tapered element, wherein the pressure element can be engaged with the lever device in an actuated operating state of the friction surface clutch so that the force-locked connection can be disconnected, wherein the first tapered element has a guide part, in

Abstract: The present invention relates to a coupling arrangement (24) comprising a first part (12), which defines a longitudinal axis (L), a second component (14), which is displaceably mounted along the longitudinal axis (L), a press-on element (16), which pretensions the second component (14) in a first position, in which the second component (14) is in frictional engagement with the first component (12), and an actuating unit (18), with which the second component (14) can be displaced from the first position in a second position, in which the second component (14) is distanced from the first component (12), wherein the actuating unit (18) comprises an actuator (20), which is displaceable along the longitudinal axis (L) and thereby provides an opening force, and a lever (22) which is rotatably mounted in the second component (14) about an axis of rotation (D) that is perpendicular to the longitudinal axis (L), and has a contact surface (26), with which the lever (22) is in contact with a fixed mating surface (28), w

Abstract: The present invention relates to a pressure control valve (30) for open-loop or closed-loop control of a pressure of a compressed fluid in a pilot pressure chamber (12), comprising a valve housing (50) with at least one inlet (41) which can be fluidically connected to the pilot pressure chamber (12), and at least one outlet (43); a wall section (51) which is permanently arranged in the pressure control valve (30) and which wall section has a passage channel (60) through which the compressed fluid can flow, and forms a first valve seat (58); a tappet (52) which is mounted in the valve housing (50) so as to be movable along a longitudinal axis (L) by means of an actuation device (49) that can be energized; a first sealing element (54) which forms a second valve seat (66), is mounted in the valve housing (50) so as to be movable along the longitudinal axis (L) and is biased by means of a first spring (56) against the actuation direction (B) of the actuation device (53) into a closure position in which the first

Abstract: A pressure control valve for open-loop or closed-loop control of a pressure of a compressed fluid in a pilot pressure chamber includes a valve housing with at least one inlet and at least one outlet, a wall section fixedly connected with the valve housing and having a first passage channel and a first throughbore, through which the compressed fluid can flow, and forms a first valve seat. The pressure control valve also includes a tappet and first and second sealing elements. The tappet is mounted in the valve housing and movable along a longitudinal axis by an energizeable actuation device. The first sealing element is mounted so as to be movable along the longitudinal axis in the valve housing and is biased by means of a first spring into a closure position in which the first sealing element bears against the first valve seat and closes the first through-bore.

Abstract: A controllable shock absorber, in particular for motor vehicles, comprising a valve device comprising a bridge circuit with four non-return valves which are connected crosswise in the forward direction, the connection of a first bridge branch with two non-return valves that are arranged opposite each other form a pressure chamber and the connection of the second bridge branch with two non-return valves arranged opposite each other form a low pressure chamber, a hydraulic main slide arranged between the low pressure chamber and the pressure chamber, a pilot chamber which is connected to the pressurised fluid line which is part of the upper working space (traction area) by means of a fifth non-return valve, and a pilot valve which connects the low pressure chamber to the pilot chamber, the pilot chamber being connected to the high-pressure chamber by means of a diaphragm.

Abstract: A gear ring carrier part for a two- or multi-component gear is provided, the gear ring carrier part having a circular ring section rotating in the circumferential direction about an axis of rotation, a gear ring arranged radially on the outside of the circular ring section, and an extension extending radially inward from the circular ring section. The extension having a first extension face and a second extension face, a number of first ribs and an equal number of first pockets being arranged on the first extension face, and/or a number of second ribs and an equal number of second pockets being arranged on the second extension face, the first ribs and the first pockets and/or the second ribs and the second pockets each extending radially and being arranged adjacent to one another in the circumferential direction.

Abstract: An electromagnetic switch valve for opening or closing an oil or coolant circuit in a motor vehicle, having an electromagnet, which has a coil and a movable armature, wherein the armature is coupled to a valve element, via which a valve seat in the coolant circuit can be sealed, wherein the switch valve is designed to be pressure balanced, and the valve element, pointing in the direction of the valve seat, is designed to be at least approximately hollow-walled.

Abstract: A spring for a check valve which can be used in particular in controllable vibration dampers, said spring comprising a flat main body with a first surface, a second surface and a centre point, and two or more spring arms, which cooperate resiliently with the main body and in the unloaded state protrude from the first surface or the second surface, the spring arms forming a free end and having a longitudinal axis that runs through the free end and tangentially to a circle about the centre point of the main body. The invention further relates to a check valve having a spring of this kind. In addition, the invention relates to a controllable vibration damper which comprises such a check valve, and to a motor vehicle having a controllable vibration damper of this kind.

Abstract: An electromagnetic control device, in particular for adjusting camshafts or a camshaft section of an internal combustion engine, comprising an energisable coil unit, by means of which an armature mounted for movement along a longitudinal axis can be moved relative to a pole core between a retracted position and an extended position; a tappet, which is mounted for movement along the longitudinal axis with a free end portion with which, in the extended position, the tappet interacts with a camshaft in order to adjust the camshaft, and with an inner end portion (30), with which the tappet is attached to the armature, wherein the tappet is attached in a form-fitting manner to the armature by means of a deformable connection element and a method for the form-fitting attachment of a tappet to an armature of an electromagnetic control device of this kind.

Abstract: The application provides a damping adjusting system having a guide tube which is arranged in an outer housing and which comprises a lateral outer wall. The interior of the guide tube being delimited at the end face by a base part. The guide tube can also have a magnet coil; an electromagnetically movable armature which is guided in the guide tube along a movement axis; an exterior which surrounds the outer housing; and a ventilation bore which connects the interior to the exterior and which is guided through the base part and the outer housing. The ventilation bore has two interconnected sections. A first section is guided through the base part and the first section has a first opening arranged on the base part on the interior side and a second opening arranged on the lateral outer wall, and a second section is guided through the outer housing.

Abstract: A controllable shock absorber, in particular for motor vehicles, comprising a valve device comprising a bridge circuit with four non-return valves which are connected crosswise in the forward direction, the connection of a first bridge branch with two non-return valves that are arranged opposite each other form a pressure chamber and the connection of the second bridge branch with two non-return valves arranged opposite each other form a low pressure chamber, a hydraulic main slide arranged between the low pressure chamber and the pressure chamber, a pilot chamber which is connected to the pressurised fluid line which is part of the upper working space (traction area) by means of a fifth non-return valve, and a pilot valve which connects the low pressure chamber to the pilot chamber, the pilot chamber being connected to the high-pressure chamber by means of a diaphragm.

Abstract: A double-armature solenoid valve may include an adjustable first armature and an adjustable second armature arranged axially opposite each other along a common adjustment axis, and a coil mechanism configured to provide a magnetic flux. The valve may also include a first restoring spring, a second restoring spring, an inlet opening arranged on an axial side of the first armature opposite the second armature, and an outlet opening arranged on an axial side of the second armature opposite the first armature. The inlet opening and the outlet opening may be connected via a fluid duct. The first armature and the second armature may respectively have a different closing time such that when an energization of the coil mechanism is at least one of interrupted and reduced the inlet opening is closable more quickly via the first armature than the outlet opening via the second armature.

Abstract: The invention is an electromagnetic valve, comprising at least one valve seat arranged between at least one inlet channel and at least one outlet channel, a sealing element by which the valve seat can be closed, and an actuating element by which the sealing element can be moved in order to close the valve seat, with the actuating element comprising at its end pointing to the sealing element a cup-shaped seat, with a support element being arranged in said cup-shaped seat, and a sealing element that is connected fixed to the support element.

Abstract: A double-armature solenoid valve may include an adjustable first armature and an adjustable second armature arranged axially opposite each other along a common adjustment axis, and a coil mechanism configured to provide a magnetic flux. The valve may also include a first restoring spring, a second restoring spring, an inlet opening arranged on an axial side of the first armature opposite the second armature, and an outlet opening arranged on an axial side of the second armature opposite the first armature. The inlet opening and the outlet opening may be connected via a fluid duct. The first armature and the second armature may respectively have a different closing time such that when an energization of the coil mechanism is at least one of interrupted and reduced the inlet opening is closable more quickly via the first armature than the outlet opening via the second armature.

Abstract: An electromagnetic switch valve for opening or closing an oil or coolant circuit in a motor vehicle, having an electromagnet, which has a coil and a movable armature, wherein the armature is coupled to a valve element, via which a valve seat in the coolant circuit can be sealed, wherein the switch valve is designed to be pressure balanced, and the valve element, pointing in the direction of the valve seat, is designed to be at least approximately hollow-walled.

Abstract: The application provides a damping adjusting system having a guide tube which is arranged in an outer housing and which comprises a lateral outer wall. The interior of the guide tube being delimited at the end face by a base part. The guide tube can also have a magnet coil; an electromagnetically movable armature which is guided in the guide tube along a movement axis; an exterior which surrounds the outer housing; and a ventilation bore which connects the interior to the exterior and which is guided through the base part and the outer housing. The ventilation bore has two interconnected sections. A first section is guided through the base part and the first section has a first opening arranged on the base part on the interior side and a second opening arranged on the lateral outer wall, and a second section is guided through the outer housing.