An elevator safety brake for stopping an elevator car, the brake including a brake shoe including a base, and a brake pad disposed on the base, wherein the brake pad includes a rail contacting friction surface for contacting an elevator guide rail surface, wherein the brake pad is fuse bonded to the base, wherein the brake pad is chosen from a group consisting of: molybdenum and molybdenum alloys.

A brake lining for a disc brake includes a distribution of lining elements which are arranged on a lining support or on group supports in groups, and the group supports are secured to the lining support. The lining elements have first lining elements and second lining elements, and the group supports have a first group support and a second group support. The first lining elements are arranged on the first group support or on the lining support in a non-tiltable and/or inflexible manner, and the second lining elements are arranged on the second group support or on the lining in a tiltable and/or flexible manner.

A brake lining arrangement, in particular for a disk brake of a motor vehicle, has a rear plate and a friction lining that is connected to the rear plate. The rear plate has a bearing face on which the friction lining is placed. The rear plate also has a member configured for fastening the friction lining on the bearing face. The friction lining has at least one cutout that is configured as a blind bore. At least one connecting pin is arranged fixedly on the rear plate so as to project from the bearing face. The connecting pin is configured to engage at least substantially without play into the cutout.

A new iron-based powder containing a plurality of composite particles composed of a ferritic iron or iron-based porous 5 structural particles having at least one particulate friction modifier distributed in the pores and cavities of the structural particles and further containing at least one particulate stabilizer-sealer. The composite particle is especially suited to be used as a functional material in friction formulations such as brake pads and enable replacement of copper or copper-based materials used in such friction 10 material formulations.

A clutch-brake device having an actuating disc, a braking disc, a shaft sleeve, a friction disc, a main coupling body, an intermediate disc, and a cutting tool seat. The coupling and dis-coupling between the main coupling body and a flange of the shaft sleeve is achieved by a cooperative motion between the intermediate disc and the adjacent main coupling body and the cutting tool seat. The clutch-brake device can be used for coupling of the engine and cutting blades of a lawn mower or other applications, and is reliable, of high load capability, stable and durable.

A friction material for a clutch or brake, including: a first surface facing in a first direction; a second surface facing a second direction, opposite the first direction; and a body portion sandwiched between the first and second surfaces. The body and the first and second surfaces include fiber material and filler material. The filler material for the first surface includes SiOH (silanol) and SiONa+ species. A torque converter including a torque converter clutch including: friction material including SiOH (silanol) and SiONa+ species; and a piston displaceable to engage the friction material with the piston and a cover to transmit torque from the cover to an output hub through the friction material and piston. A method of chemically activating friction material for a clutch or brake, including: exposing friction material, including filler material with SiOSi (siloxane), to NaOH (sodium hydroxide); and forming, from the SiOSi (siloxane), SiOH (silanol).

A method for analyzing the wear behavior of brake pads of a brake system has at least the following steps: a) providing a brake system with at least one or more brakes, each with one or more brake pads which each have a pad carrier plate and a friction lining composed of at least two or more friction material layers which are composed of different friction materials; and at least one evaluation device; b) determining the wear which is brought about per brake during braking operations with at least one wear sensor per brake; c) determining the braking energy which is brought about per brake during braking operations with the evaluation device; d) repeated determination of an instantaneous gradient of a curve which relates the values determined in steps b) and c) and preferably a route information item to one another; and e) outputting a signal at an output device if the gradient changes.

A brake pad has a brake lining with a first section and a second section. The first section includes a plurality of first layers having a first material and a plurality of second layers having a second material. The first material is different from the second material. The plurality of first layers and the plurality of second layers are alternatingly arranged between one another. The second section includes a plurality of third layers having the second material and a plurality of fourth layers having the first material. The plurality of third layers and the plurality of fourth layers are alternatingly arranged between one another. The plurality of first layers are adjacent to corresponding ones of the plurality of third layers are co-planar with one another. Further, the plurality of second layers are adjacent to corresponding ones of the plurality of fourth layers are co-planar with one another.

A friction material composition imparts superior friction coefficient, abrasion resistance, aggressiveness against an opposite member, and brake noise preventive characteristics in high speed and high load braking to a friction material, although containing no copper, which can pollute rivers, lakes, the ocean, or other environments, or containing copper in an amount of at most 0.5 mass. Moreover, a friction material and a friction member each uses the friction material composition. The friction material composition includes a binder, an organic filler, an inorganic filler, and a fibrous base material, and the friction material composition contains copper in an amount of at most 0.5 mass % as an element or contains no copper. The binder contains silicone-rubber dispersed phenolic resin in an amount of 5 to 10 mass %. The inorganic filler contains zirconium oxide in an amount of 20 to 33 mass %.

A friction device for a vehicle having a flanged wheel (with a wheel flange and wheel tread) includes a backing plate and a friction structure. The backing plate may interface with a brake actuator of the vehicle. The friction structure is attached to the backing plate and comprises a friction material; the friction structure has a longitudinal flange side, a longitudinal rim side, and two opposing ends, and defines a brake surface for engaging the flanged wheel for braking. The friction structure includes an extended volume portion of the friction material on the longitudinal flange side, which defines a flange contact region of the brake surface. The flange contact region may at least partially engage the flange and to align the friction device with the wheel tread, e.g., the flange contact region may be complementary in shape to at least part of the flange.