Abstract: A spring seat, in particular a spring plate for a vibration damper, in particular a vehicle vibration damper, in particular a spring plate for a level adjustment device, in particular a vehicle height adjustment device, may include a spring retaining ring with an internal cross section or an internal cross-sectional area. The spring seat may also include a spring element configured to reduce the internal cross section of the spring retaining ring. The spring element may be configured such that a reduction of the internal cross section is configured to occur in a radial direction.

Abstract: An adapter piece may be employed to connect a damper tube and an air spring piston in a non-positive manner. The adapter piece may comprise a spring region. The adapter piece may also include a first ring region and a second ring region, and the spring region may be positioned between the first ring region and the second ring region. Further, an air spring damper system may utilize the spring region of such an adapter piece to connect a damper tube and an air spring piston in a non-positive connection. The damper tube may include a bulge with a supporting element positioned on the bulge. The adapter piece may lie on the supporting element.

Abstract: A decoupling bearing for a suspension strut or a pneumatic suspension strut may include a suspension strut cup and a connecting element that can be connected to a vehicle body. A damping element may be arranged between the suspension strut cup and the connecting element. The suspension strut cup may be connected to the connecting element by the damping element. Further, the damping element may be adhesively bonded to the connecting element and the suspension strut cup in a force-transmitting manner, and/or the damping element may be adhesively bonded to the connecting element and an intermediate element in a force-transmitting manner. The intermediate element may be connected to the suspension strut cup.

Abstract: A vibration damper for vehicles includes a damper tube which is at least partially filled with damper medium and which has a longitudinal axis along which a piston rod is movable back and forth. A working piston is movable jointly with the piston rod, by means of which working piston the interior space of the damper tube is divided into a piston-rod-side working space and a piston-rod-remote working space. The vibration damper has a leakage indicator for the damper medium.

Abstract: A vibration damper valve assembly may include a valve main body, first and second main stage flow paths, first and second disc valve packs, and first and second main stage bypass flow paths. The first disc valve pack may include a first outer disc valve pack, a first flow path bypass disc, a first loading element, and a first covering element, with the first loading element being arranged on one side of the first covering element such that a loading force is formed on the first covering element. The second disc valve pack may include a second outer disc valve pack, a second flow path bypass disc, a second loading element, and a second covering element, with the second loading element being arranged on one side of the second covering element such that a loading force is formed on the second covering element.

Abstract: A filter for use at an airflow opening of bellows of a shock absorber. The filter device includes a filter body through which a gas, in particular air, can flow in in the direction of an air inflow direction and out in the direction of an air outflow direction. The airflow opening is a joint air inlet and air outlet opening. A fastening means is disclosed that is fitted with a filter, in particular a fastening ring fitted therewith, for fastening bellows to a shock absorber.

Abstract: A pressure buffer stop for a vibration damper that comprises for being at least partially received in a dome bearing housing an outer contour and for coaxial arrangement on a piston rod of the vibration damper a hollow-cylindrical basic structure with an inner contour, wherein the outer contour of the pressure buffer stop comprises in at least one region for being at least partially received in the dome bearing housing a three-dimensionally structured surface.

Abstract: An adjustable vibration damper for a vehicle may include an outer tube, an intermediate tube, and an inner tube arranged coaxially. A concentric compensation chamber between the outer tube and the intermediate tube may receive a hydraulic fluid and a gas. A piston rod may include a piston disposed movably in the inner tube and dividing an interior of the inner tube into first and second working chambers. The adjustable vibration damper may also include first and second damper valves arranged on an outer wall. The first working chamber may be fluidically connected to the compensation chamber by the first damper valve for adjustment of a pressure stage, and the second working chamber may be fluidically connected to the compensation chamber by the second damper valve for adjustment of a traction stage.

Abstract: A controllable vibration damper with damping force control may include a damper tube housing that is filled with damping medium. The controllable vibration damper may also include a damping valve element that is structurally and fluidically connected to the damper tube housing for damping force control. The damping valve element may be configured as a pilot-controlled pressure-limiting valve having a pilot valve. Further, a two-stage pre-throttle valve assembly placed in front of the pilot valve. The damping valve element may be arranged internally with respect to the damper tube housing in some cases. In other cases, the tamping valve element may be arranged externally with respect to the damper tube housing.

Abstract: A vibration damper may include an external tube and at least one internal tube. The external and internal tubes may be disposed in a coaxial manner relative to one another. An annular gap may exist between the external tube and the internal tube, and the annular gap may be fluidically connected to the internal tube. The annular gap may form a compensation chamber for receiving damper oil and damper gas for preloading of the damper oil in the compensation chamber. The vibration damper may further include a separating element disposed in the compensation chamber. The separating element may be axially displaceable and may separate the damper oil from the damper gas in a fluid-tight manner.

Abstract: A vibration damper for a motor vehicle includes a valve block and at least one tube assembly. The tube assembly has at least one inner tube and one outer tube which are arranged coaxially. The valve block is arranged in a fluid-tight manner at one axial end of the tube assembly. At least the outer tube is connected in an integrally joined manner to the valve block, and a ring nut is provided at least on the outer tube. The ring nut transmits a prestressing force, in particular a pressing force, to the at least one inner tube such that the at least one inner tube is connected in a non-positive manner to the valve block.

Abstract: A vibration damper for a motor vehicle having at least one damper tube, which includes at least one damper fluid, a piston rod having a piston, which is guided axially in the damper tube, and at least one valve unit. The valve unit includes at least three flow paths for the damper fluid. The first flow path includes a first valve for a first damper setting. The second flow path includes a second valve for a second damper setting and a variable throttle. The third flow path includes a check valve, wherein the second damper setting is softer than the first damper setting and the cross section of the second flow path is adjustable at least partially by the variable throttle.

Abstract: A hydraulic vibration damper, in particular for a vehicle chassis, includes a cylinder tube for receiving a hydraulic fluid. A piston is axially movable within the cylinder tube along a cylinder tube axis and subdivides the cylinder tube into two working chambers. A piston rod is oriented parallel to the cylinder tube axis and is connected to the piston. At least one valve assembly for damping the piston movement in a direction of actuation is arranged at a fluid leadthrough. A bypass duct includes a sub-duct provided in addition to the fluid leadthrough between the two working chambers. A valve arrangement with continuously adjustable damping force is provided which regulates the throughflow through the fluid leadthrough and the sub-duct. The sub-duct includes a throttling mechanism, having a throttle, and a non-return valve. The throttle and the non-return valve of the sub-duct are arranged in series.

Abstract: A closure package for a vibration damper may include a base body that is connectable to a damper tube and comprises a first end and a second end. The first end forms an end side of the damper tube and the second end is disposed in the damper tube. A seal for sealing a piston rod may be disposed in the base body. A seal holder may be disposed between the seal and the base body at the first end. The seal holder for axially fixing the seal may be connected to the base body in a form-fitting and/or force-fitting manner. The seal holder may be fusible in an emergency. For releasing the connection to the base body, the seal holder may be thermoplastically deformable upon overheating of the vibration damper.

Abstract: A vibration damper for a vehicle may include an outer tube, a middle tube, and an inner tube arranged coaxially. The inner tube is at least partially filled with damping medium, and a piston rod is arranged in the inner tube so as to be movable to and fro. A working piston arranged on the piston rod is movable with the piston rod. An inner chamber of the inner tube is divided by the working piston into a rod-side working chamber and a rod-remote working chamber, with a connecting element being arranged between the inner tube and the middle tube on each side of a middle tube opening facing tube ends of the middle tube. The connecting element may include a radially circumferential sealing element that seals a middle tube balancing chamber against an outer tube balancing chamber at least with respect to the damping medium.

Abstract: A vibration damper for a vehicle may include an outer tube, a middle tube, and an inner tube arranged coaxially. A seal receiving element may be arranged between the inner tube and the middle tube on each side of a middle tube opening facing towards tube ends of the middle tube. A radially encircling sealing element may be arranged in the seal receiving element, and the sealing element may seal the middle tube compensation space relative to the outer tube compensation space at least with respect to damping medium. The seal receiving element may be configured at least partially as a coating element. The coating element may be disposed on the inner tube or the middle tube in a substance-to-substance bonded manner.

Abstract: A vibration damper for a chassis of a vehicle including a damper tube which is filled at least partially with damping liquid and in which a piston rod can be moved to and fro. A working piston is movable with the piston rod, by way of which working piston the interior space of the damper tube is divided into a piston rod-side working space and a working space which is remote from the piston rod. At least one additional attachment unit is connected to the damper tube in a fluid-tight manner by way of a throughflow element. The throughflow element is arranged on the damper tube in a direction which differs from the radial direction of the damper tube.

Abstract: A vibration damper valve assembly may include a valve main body, first and second main stage flow paths, first and second disc valve packs, and first and second main stage bypass flow paths. The first disc valve pack may include a first outer disc valve pack, a first flow path bypass disc, a first loading element, and a first covering element, with the first loading element being arranged on one side of the first covering element such that a loading force is formed on the first covering element. The second disc valve pack may include a second outer disc valve pack, a second flow path bypass disc, a second loading element, and a second covering element, with the second loading element being arranged on one side of the second covering element such that a loading force is formed on the second covering element.

Abstract: An assembly for a wheel suspension includes a vibration damper and an add-on part. The vibration damper includes a contact region on which the add-on part is configured to rest and wherein the contact region is configured to receive a force transmitted thereon. A welding element is mechanically connected to the add-on part and welded to the contact region. The contact region and the welding element include the same material or weldable material partners and the add-on part and the contact region are formed from dissimilar and not mutually weldable materials.

Abstract: A vibration damper may include a damper cylinder, a guiding closure that is held in the damper cylinder by a first clamping element, a piston rod that is axially guided in the guiding closure, and a piston rod functional group that is connected to the piston rod and disposed in the damper cylinder. At least one second clamping element may be connected to an internal wall of the damper cylinder, and a holding element may be disposed in the damper cylinder. The second clamping element can be disposed between the guiding closure and the holding element, and the holding element can be disposed between the second clamping element and the piston rod functional group. Further, the internal diameter of the second clamping element at least in portions is smaller than the external diameter of the holding element.