25results about "Frictional elements" patented technology

A combined carpet is provided. The combined carpet includes an upper carpet body and a lower carpet body. The upper carpet body includes a first layer and a first attaching layer under the first layer; the lower carpet body is configured to be paved between the upper carpet and an object surface, and includes a second attaching layer and a second layer under the second attaching layer. An edge area of the first attaching layer extends beyond the second attaching layer to contact the object surface and does not overlap with the second attaching layer, a main area of the first attaching layer and the second attaching layer body realize a relative rest through a static friction force, to prevent relative movement when the upper and lower carpet bodies are connected, thereby forming a detachable combination between the upper carpet body and the lower carpet body.

The application relates to a brake pad for a disk brake system and to a disk brake system. The proposed brake pad comprises a back plate having a front side for facing a brake disk of the disk brake system and a friction layer arranged on the front side of the back plate for contacting a friction surface of the brake disk. The brake pad further comprises an underlayer arranged between the front side of the back plate and the friction layer. The back plate comprises a recess. The underlayer extends into the recess of the back plate.

An apparatus includes a top pad comprising a plurality of protrusions and a plurality of grooves between the plurality of protrusions, a first adhesive film underlying the top pad, and a first anti-deformation layer underlying and attached to the top pad through the first adhesive film. The first anti-deformation layer has a first hardness. The apparatus further includes a second adhesive film underlying the first anti-deformation layer, and a main support layer underlying and attached to the top pad through the second adhesive film. The main support layer has a second hardness lower than the first hardness.

Shaped material (1, 1'), for example a disk for a disk brake, preferably a ventilated disk, comprising a plurality of layers of material (6) in a spiral shape, overlapping along a development axis (X), where each layer of material (6) it is formed by a fabric (2) predominantly or exclusively made of carbon fibres (8), at least part of said layers being impregnated by an impregnating agent. The invention further relates to method for the manufacture of a shaped material.

A method for manufacturing a brake pad preform (6) for disc brakes comprises the following operational steps: a) preparing a thermosetting mixture (2) by mixing a polymer resin in liquid form (21) or particle powder form (22) and ceramic particles (25) in powder form; b) combining the thermosetting mixture (2) obtained in step a) with a carbonaceous material (3) composed of carbon fibers to obtain a molding compound (4); c) molding the molding compound (4) obtained in step b) by means of compacting and heat treatment to obtain a crude preform ( 5 ); d) subjecting the crude preform (5) obtained in step d) to a pyrolysis treatment to obtain a brake pad preform (6). A brake pad preform (6) or a brake pad (1) obtained by means of the above method is composed of a carbon-carbon composite composed of a matrix of carbonaceous material and carbon fibers, wherein ceramic particles are uniformly dispersed in the carbonaceous material matrix.

An apparatus includes a top pad having a first plurality of protrusions and a first plurality of grooves between the first plurality of protrusions, a first adhesive film underlying the top pad, and an anti-deformation layer underlying and attached to the top pad through the first adhesive film. The anti-deformation layer has a first Young's modulus and a first Poisson's ratio. The apparatus further includes a second adhesive film underlying the anti-deformation layer, and a main support layer underlying and attached to the anti-deformation layer through the second adhesive film. The main support layer has a second Young's modulus lower than the first Young's modulus.

The invention provides a multi-layer subpad for a chemical mechanical polishing process. An apparatus includes: a top pad including a plurality of protrusions and a plurality of grooves between the plurality of protrusions; a first adhesive film under the top pad; and a first deformation resistant layer under the top pad and attached to the top pad by a first adhesive film. The first deformation resistant layer has a first hardness. The device also includes a second adhesive film underneath the first deformation resistant layer and a main support layer underneath and attached to the top mat by the second adhesive film. The main support layer has a second hardness lower than the first hardness.

To provide a bearing that can improve the conductivity and can increase the corrosion resistance, and to provide their production and use in assemblies.SOLUTION: A bearing 100 includes a substrate layer 102 including an aluminum alloy including a thickness, TS, where TS≤0.6 mm; an adhesive layer 112; and a low friction material layer 110 overlying the adhesive layer, where the bearing includes an elongation at break, A50, of ≥23%.SELECTED DRAWING: Figure 1

A method of fabricating a composite component is provided. The method includes forming a fibrous preform, performing a first densification on the fibrous preform to generate a densified fibrous preform, heat treating the densified fibrous preform to form a heat treated densified fibrous preform, performing a second densification on the heat treated densified fibrous preform, and performing a silicon melt infiltration after densifying the heat treated densified fibrous preform to form the composite component.

brake pad (100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1100) comprising: a support plate (101) with a mounting surface (103), a friction lining (105) attached to the mounting surface (103) and having a tribological surface (107) which runs parallel to the mounting surface (103) within a specified tolerance; and a surface coating (109) which is attached to a part of the tribological surface (107) using an adhesive and which, when viewed in a direction perpendicular to the tribological surface (107), has a predetermined circumferential shape, wherein the tribological surface (107) of the friction lining (105) is configured to transmit frictional forces to a brake disc, wherein the surface coating (109) is a composite material, the composite material containing potassium titanate and further configured to create a transfer layer on the brake disc

To provide an anticorrosive bushing having a high-load capacity.SOLUTION: A method of forming an anticorrosive bushing comprises bonding a sliding layer to a first surface of a load-bearing substrate to form a laminate sheet, and cutting a blank from the laminate sheet. The laminate sheet comprises an exposed surface that corresponds to a second surface of the load-bearing substrate. A blank comprises a cut edge part having a load-bearing substrate portion. The method further comprises forming a semi-machined bushing from the blank.SELECTED DRAWING: Figure 2B

A bearing including a substrate layer including an aluminum alloy including a thickness, Ts, where Ts ≤ 0.6 mm,; an adhesive layer; and a low friction material layer overlying the adhesive layer, where the bearing includes an elongation at break, A50, of ≥ 23%.

To provide a bearing that has a longer lifetime, improved effectiveness, improved corrosion protection, and overall improved performance within an assembly.SOLUTION: The invention provides a bearing including a sidewall including an open metal substrate at least partially embedded in a low friction material, the sidewall further including a generally cylindrical body and a flange, the flange being contiguous with and extends from an axial end of the generally cylindrical body, where 1) the flange includes a multi-wall construction including a plurality of flange sidewalls in contact with each other along at least 25% of a radial length of the flange, and / or 2) the sidewall or the flange has an outward conductive region and an inward conductive region.SELECTED DRAWING: Figure 3A

The invention discloses a high-damping backing material and a preparation method and application thereof, and relates to the technical field of brake materials, the high-damping backing material comprises the following preparation raw materials by mass: 10-40 parts of nitrile rubber, 4-10 parts of phenolic resin powder, 30-50 parts of composite reinforced fibers, 0.5-5 parts of zinc powder, 10-40 parts of a filler, 0.6-2.3 parts of a compatilizer, and 0.2-4 parts of a curing accelerator; the composite reinforced fibers comprise para-aramid pulp, porous hydrated calcium silicate and metal fibers; wherein the mass ratio of the para-aramid pulp to the porous hydrated calcium silicate to the metal fibers is 1: (2-7): (3-10); the metal fibers comprise, by mass, 5-30% of brass fibers, 3-20% of aluminum fibers and the balance steel wool. The prepared high-damping backing material has the characteristics of high strength, high damping and low noise.

The application relates to a brake pad assembly for a disk brake system and to a disk brake system. The proposed brake pad assembly for a disk brake system comprises a back plate having a front side for facing a brake disk of the disk brake system and a back side. The brake pad assembly further comprises a friction layer arranged at the front side of the back plate for contacting a friction surface the brake disk. The back plate comprises a back plate body having a recess on its back side. The back plate further comprises a layered structure that is received within the recess of the back plate body. The layered structure comprises a copper layer and a rubber layer. The rubber layer covers the copper layer.

A bearing including a sidewall including an open metal substrate at least partially embedded in a low friction material, the sidewall further including a generally cylindrical body; and a flange contiguous with and extending from an axial end of the generally cylindrical body, where at least one of 1) the flange includes a multiple wall construction including a plurality of flange sidewalls in contact with each other along at least 25% of a radial length of the flange, or 2) the sidewall or the flange comprises an outward conductive region and an inward conductive region.

A bearing laminate can include a metal support layer, a foam layer overlying the metal support layer, the foam layer including a polymeric foam; and a sliding layer overlying the polymeric foam layer, the sliding layer comprising a polymer matrix. Bearing articles made from the bearing laminate can have exceptional damping properties, such as a high damping ratio combined with a low dynamic stiffness.

A device comprises an upper pad having multiple projections and multiple grooves between the projections; a first adhesive layer located beneath the upper pad; and an anti-deformation layer located beneath the upper pad and attached to it by the first adhesive layer. The first anti-deformation layer has a first hardness. The device further comprises a second adhesive layer located beneath the anti-deformation layer and a main support layer located beneath the anti-deformation layer and attached to it by the second adhesive layer. The main support layer has a second hardness that is lower than the first hardness.

A thermal insulation structure (100) including: a thermal insulation film (200); and a plurality of support members (300) that supports the thermal insulation film (200), in which the thermal insulation film (200) is supported by the support member in a state where tension is applied in an in-plane direction of the thermal insulation film (200), the support member (300) includes a first portion (310) and a second portion (320) that are separated from each other, and one or more third portion (330) that connects the first portion (310) and the second portion (320), and a length of the third portion (330) in an extending direction of the third portion (330) is longer than a distance between the first portion (310) and the second portion (320), the first portion (310) and the second portion (320) are disposed along a direction intersecting a surface of the thermal insulation film (200), and the support member (300) is elastically deformable in the direction intersecting a surface of the thermal insulation film (200), and a structure including this thermal insulation structure (100) are provided.

The present invention discloses a high-damping base material, its preparation method and application, which relates to the technical field of braking materials. The preparation raw materials thereof include the following parts by mass: 10-40 parts of nitrile rubber, 4-10 parts of phenolic resin powder, 30-50 parts of composite reinforcing fibers, 0.5-5 parts of zinc powder, 10-40 parts of fillers, 0.6-2.3 parts of compatibilizer, and 0.2-4 parts of curing accelerator; the composite reinforcing fibers include para-aramid pulp, porous calcium silicate hydrate and metal fibers; wherein, the mass ratio of the para-aramid pulp: the porous calcium silicate hydrate: the metal fibers is 1:2-7:3-10; by mass fraction, the metal fibers are composed of 5-30% brass fibers, 3-20% aluminum fibers and the balance steel wool. The high-damping base material prepared by the present invention has the characteristics of high strength, high damping and low noise.

A method of fabricating a composite component is provided. The method includes forming a fibrous preform, performing a first densification on the fibrous preform to generate a densified fibrous preform, heat treating the densified fibrous preform to form a heat treated densified fibrous preform, performing a second densification on the heat treated densified fibrous preform, and performing a silicon melt infiltration after densifying the heat treated densified fibrous preform to form the composite component.

The method for producing a brake pad preform (6) for a disc brake includes the steps of (a) preparing a thermosetting mixture (2) by mixing a polymer resin in a liquid state (21) or in a particulate powder state (22) with powdered ceramic particles (25), (b) combining the thermosetting mixture (2) obtained in (a) with a carbonaceous material (3) made of carbon fibers to obtain a molding compound (4), (c) molding the molding compound (4) obtained in (b) by compression and heat treatment to obtain a rough preform (5), and (d) subjecting the rough preform (5) obtained in (c) to a pyrolysis treatment to obtain a brake pad preform (6). The brake pad preform (6) or brake pad (1) obtained by this method is made of a carbon-carbon composite material made of a matrix of a carbonaceous material and carbon fibers, and the ceramic particles are uniformly dispersed in the matrix of the carbonaceous material.

A high-friction road patch may comprise an aggregate capable of providing sufficient friction between a road surface and vehicle wheel. In some embodiments, the patch may comprise a waterproof, asphalt overlay with a first layer of cured bitumen and calcined bauxite aggregate particles, a second layer of viscous bitumen and a reinforcement component, and a binder layer for bonding the overlay with the road surface. The resulting product may provide a sufficient skid resistance value in an overlay that is far less susceptible to or incapable of debonding as with prior art solutions.

The present invention relates to a brake pad having a surface coating. A brake pad having a surface coating that is operable to enhance the break-in process during normal operation. The surface coating can be formulated using one or more materials present in the friction lining of the brake pad. The surface coating can be formulated using only non-metallic materials.