A damper ring is mounted in frictional engagement with a radially inwardly facing surface of a circumferential groove defined in a rotary part of a gas turbine engine. Energy dissipation is provided via sliding friction of the ring in the groove. Pressure relief dimples are provided around the outer diameter of the ring for locally reducing contact pressure at the outer diameter below a value at which the damper ring locks in the groove by friction forces when subject to centrifugal loads.

A rotation damper for damping movement of a component includes a transmission element couplable to the component such that the transmission element is rotated during movement of the component, and including a rotatingly mounted rotor and also braking device which brakes a rotational movement of the rotor. A coupler couples the transmission element and the rotor for conjoint rotation in a first direction of rotation and decouples the same in a second, opposite direction of rotation. The coupler includes a support element on with an engagement element that is pivotable between an engagement position and a release position. The engagement element has at least one coupling portion, and the transmission element has at least one coupling portion which is in engagement with the at least one coupling portion of the engagement element. The coupling portions are formed in a complementary manner with respect to each other.

A rotation damper for damping movement of a component includes a transmission element couplable to the component such that the transmission element is rotated during movement of the component, and including a rotatingly mounted rotor and also braking device which brakes a rotational movement of the rotor. A coupler couples the transmission element and the rotor for conjoint rotation in a first direction of rotation and decouples the same in a second, opposite direction of rotation. The coupler includes a support element on with an engagement element that is pivotable between an engagement position and a release position. The engagement element has at least one coupling portion, and the transmission element has at least one coupling portion which is in engagement with the at least one coupling portion of the engagement element. The coupling portions are formed in a complementary manner with respect to each other.

A vehicle interior component with an improved torque hinge is provided. The vehicle interior component may comprise a base and a cover configured to move relative to the base. The torque hinge may be coupled to the base and the cover and configured to hold the cover in any position relative to the base. The torque hinge may comprise a bushing, a brake, a clamp and a fastener configured to provide a clamping force between the clamp and brake. The bushing may be configured to move with the cover as the cover moves relative to the base to provide a frictional force against the brake. The clamp may be manufactured by an extrusion process. The clamp may comprise a curved portion and first and second extension portions extending from the curved portion. The first and second extension portions of the clamp may be substantially parallel.

A vehicle interior component with an improved torque hinge is provided. The vehicle interior component may comprise a base and a cover configured to move relative to the base. The torque hinge may be coupled to the base and the cover and configured to hold the cover in any position relative to the base. The torque hinge may comprise a bushing, a brake, a clamp and a fastener configured to provide a clamping force between the clamp and brake. The bushing may be configured to move with the cover as the cover moves relative to the base to provide a frictional force against the brake. The clamp may be manufactured by an extrusion process. The clamp may comprise a curved portion and first and second extension portions extending from the curved portion. The first and second extension portions of the clamp may be substantially parallel.

A locking device for an adjustable steering column for a motor vehicle may include an actuating shaft that is mounted such that it can be rotated about a rotational axis, that is connected to an operative element of a clamping device, and that is coupled to a rotor of a rotational damper. The rotor may be mounted rotatably in a housing and may be capable of being driven rotationally about a rotor axis by the actuating shaft. A rotational movement of the rotor may be damped in at least one rotational direction. The rotor may have at least one blade that projects radially with regard to the rotor axis and that has a contact face that makes frictional contact with a contact track on an inner face of the housing. Such a locking device has an improved rotational damper, is less complicated to manufacture, and has high acceptance in automotive engineering.

A locking device for an adjustable steering column for a motor vehicle may include an actuating shaft that is mounted such that it can be rotated about a rotational axis, that is connected to an operative element of a clamping device, and that is coupled to a rotor of a rotational damper. The rotor may be mounted rotatably in a housing and may be capable of being driven rotationally about a rotor axis by the actuating shaft. A rotational movement of the rotor may be damped in at least one rotational direction. The rotor may have at least one blade that projects radially with regard to the rotor axis and that has a contact face that makes frictional contact with a contact track on an inner face of the housing. Such a locking device has an improved rotational damper, is less complicated to manufacture, and has high acceptance in automotive engineering.

The invention relates to a laboratory centrifuge. The laboratory centrifuge comprises a base body (2). The lid (3) is linked to the base body (2) for being pivoted about a pivot axis (6). A damping device (38) damps the pivoting movement of the lid (3), in particular when the lid (3) approaches a maximum opening angle. According to the invention, the damping device (38) bases upon friction between friction elements (23, 26).

The invention relates to a laboratory centrifuge. The laboratory centrifuge comprises a base body (2). The lid (3) is linked to the base body (2) for being pivoted about a pivot axis (6). A damping device (38) damps the pivoting movement of the lid (3), in particular when the lid (3) approaches a maximum opening angle. According to the invention, the damping device (38) bases upon friction between friction elements (23, 26).

There is provided a translational inerter assembly for damping movement of a flight control surface of an aircraft with a support structure. The translational inerter assembly includes a press fit element rotatably disposed within the flight control surface. The translational inerter assembly further includes an inertia element disposed in the press fit element. The translational inerter assembly further includes a torsion bar coupled to the inertia element and to the support structure of the aircraft, such that when the flight control surface rotates, the inertia element translates, and movement of the flight control surface is dampened.