F16F2230/40

MULTILAYER DAMPING MATERIAL

Multilayer damping material for damping a vibrating surface (10) including: at least one constraining layer (4); at least one dissipating layer (1, 3); at least one kinetic spacer layer (2) including multiple spacer elements (2b), the kinetic spacer layer being arranged between the constraining layer and the vibrating surface, when used for damping the vibrating surface, wherein each spacer element has opposite ends, at least one end of each of the multiple spacer elements is embedded in, bonded to, in contact with or in close proximity to the dissipating layer, such that energy is dissipated within the multilayer damping material, through movement of the at least one end of each of the multiple spacer elements; absorbing material as at least one additional layer (12) or within at least one of the above layers.

ELASTOMERIC BEARING FOR A SUSPENSION ASSEMBLY
20210190167 · 2021-06-24 · ·

An elastomeric bearing includes an inner member that has a spherical exterior surface and is symmetric about a central axis and a hollow annular outer structure that is axially split thereby forming a first outer segment and a second outer segment. The first outer segment and second outer segment form a substantially cylindrical exterior surface. One or more shim structures are formed around the inner member and are disposed at least partially inside the hollow annular outer structure. The shim structure has a radially outward facing surface and a radially inward facing surface. One or more layers of elastomeric material are disposed on each of the radially outward facing surface and the radially inward facing surface.

VIBRATION ABSORBING METAMATERIAL APPARATUS AND ASSOCIATED METHODS
20210140511 · 2021-05-13 · ·

A vibration absorbing apparatus is disclosed for functioning as a practical mechanical metamaterial for anisotropic vibration control. In at least one embodiment, the apparatus provides a plurality of rail units positioned in a side-by-side arrangement so as to form at least one rail unit layer. Each rail unit provides a first plate and an opposing second plate slidably engaged with the first plate. The first plate provides at least one substantially linear slide rail extending therefrom. The second plate provides a corresponding at least one substantially linear slot sized for slidably receiving the corresponding at least one slide rail. At least one resilient connector extends between the first and second plates so as to maintain slidable engagement between the first and second plates. Additionally, the at least one slot of each rail unit of the at least one rail unit layer is oriented in substantially the same direction.

Article, particularly an air spring bellows, a metal-rubber element, or a vibration damper

The invention relates to an article having a main body with elastic characteristics, in particular an air spring bellows, a metal-rubber element or a vibration damper. The article has a single-layer or multilayer main body having elastic properties, wherein the outer layer C has at least two laminas C1/C2 and each lamina is formed from an elastomer mixture, and wherein at least one layer D composed of a weave or loop-formed knit or loop-drawn knit has been embedded into this outer layer. This leads to further optimization of the fire-retardant properties.

WIDEBAND VIBRATION SUPPRESSION DEVICE UTILIZING PROPERTIES OF SONIC BLACK HOLE
20210054898 · 2021-02-25 · ·

A wideband vibration suppression device utilizing properties of a sonic black hole, comprising: a vibration absorber (101) comprising a uniform portion (1011) of a fixed thickness and a conical portion (1012) integrally connected to the uniform portion (1011), the conical portion (1012) extending from the junction in such a manner that the thickness thereof gradually decreases from the thickness (d1) of the uniform portion (1011) to a predetermined thickness (d2); and a damping layer (102) attached to the conical portion (1012) of the vibration absorber (101).

Multilayer constrained-layer damping

Provided herein is are multilayer damping laminates comprising alternating damping and constraining layers. The materials and configurations of the damping layers are selected such that the damping layers have a decreasing glass transition temperature profile beginning at the first damping layer, allowing the laminates to effectively dissipate vibrations over a wider range of operating temperatures and/or frequencies. Also provided are systems and methods using the multilayer damping laminates.

SEISMIC COMBINATION APPARATUS WITH ELASTOMER AND WITH FRICTION PARTICULARLY FOR USE IN BUILDINGS

A combination apparatus for use in connecting the carrier elements to each other particularly in buildings is provided. Upon providing a flexibility by the building which is not damaged against quake; at least one first inner plate group which can be connected to one of the carrier elements desired to be combined or at least one second inner plate group which can be connected to one other carrier element, at least one outer plate configured to rest said first inner plate group or said second inner plate group towards each other in a tight manner, at least one friction element which can increase rotational resistance with respect to each other, between the first inner plate group and the second inner plate group and between the outer plate and one of the inner plate groups, and at least one hyper-elastic dampening element.

Continuous framework for shock, vibration and thermal isolation and motion accommodation

Vibration isolator systems have continuous frameworks wherein the frameworks are formed for specific applications. The continuous frameworks have linkages and voids formed and located such that frequency, direction and magnitude of vibrations are accounted for. The linkages and voids configuration provides elasticity and compliance such that a wide selection of materials is available for effective use. The continuous framework can be configured to include active elements such as a control circuit. The active elements may further include electric and magnetic field generators. Further, elastic and insulating materials can be easily added to the framework.

BEARING PAD
20200348223 · 2020-11-05 · ·

A resilient bearing pad or support includes resilient material and a sensor that is configured to measure one or more of acceleration, velocity, variations in load, etc. of a mass supported by the bearing pad. The sensor may be configured to wirelessly transmit data for storage and/or evaluation. The data may be evaluated utilizing predefined criteria to detect and/or predict failure of the pad and/or a mass supported by the pad.

SHOCK ABSORBING MODULE AND DISPLAY DEVICE INCLUDING THE SAME

A shock absorbing module includes a shock absorbing layer at which the shock absorbing module is attachable to a display panel, the shock absorbing layer including a cushion layer including an adhesive polymer resin, and a hollow particle which is in the adhesive polymer resin, and an embossed adhesive layer with which the shock absorbing layer is attachable to the display panel, and a base layer. The shock absorbing module attached to the display panel disposes the shock absorbing layer between the display panel and the base layer.