2062results about "Braking elements" patented technology

A positive active material according to one embodiment of the present invention includes an internal bulk part and an external bulk part surrounding the internal bulk part and has a continuous concentration gradient of the metal composition from an interface between the internal bulk part and the external bulk part to the surface of the active material. The provided positive active material in which the metal composition is distributed in a continuous concentration gradient has excellent electrochemical characteristics such as a cycle life, capacity, and thermal stability.

An integrated sensor apparatus capable of detecting exercise equipment parameters such as power output and cadence is designed so as to be easily retrofittable to existing equipment. To the extent that a particular sensor uses friction measurement, it can supplant an existing friction causing device on the equipment. Additionally, the sensor can communicate, wirelessly if desired, with a processing device. The processing device is capable of receiving and processing a plurality of sensor signals. The processing device can then output processed signals to a display, so that a plurality of people joining in a group exercise or competition can easily track their relative performance in real-time.

A backing plate for a friction assembly includes a body having a first surface and a second surface and a thickness defined therebetween. One or more retention members are provided on the first surface for engaging a friction material mounted thereon. Each retention member has an extruded protrusion and an groove. The extruded protrusion has a generally constant width and a free curved distal end. The groove has a bottom wall having an inclined section and a flat section.

An optical fiber suitable for use in a single fiber or multifiber optical connector or array is structured with a core region and a cladding region surrounding the core region, and exhibits a bending loss of a fundamental mode of the fiber at a wavelength λ is lower than 0.1 dB / m at a diameter of 15 mm, a mode-field diameter of the fundamental mode at an end of the fiber at the wavelength λ is between 8.0 μm and 50 λ, and a bending loss of a first higher-order mode at the wavelength λ is higher than 1 dB / m at a diameter of 30 mm. The fiber may be multistructured, wherein the cladding region comprises a main medium and a plurality of sub medium regions therein to form a spatially uniform average refractive index.

An LSI package encompasses a transmission line header embracing a header-base, a transmission line held by the header-base, and an interface IC chip mounted on the header-base, an interposer substrate having a plurality of board-connecting joints, which facilitate connection with the printed wiring board; an LSI chip mounted on the interposer substrate; and a receptacle having a lead terminal and being mounted on the interposer substrate, configured to accommodate the transmission line header so that the interface IC chip electrically connects to the LSI chip through the lead terminal.

A spreader spring comprising: (a) a locking arm that connects the spreader spring to a brake component; (b) a retraction arm; and (c) a bias device located between the locking arm and the retraction arm; wherein the bias device includes six helical loops or more that store energy during a brake apply and once the brake apply is complete assist in retracting a brake pad.

A driving circuit for a flat panel display device includes shift register stages, each containing: a first TFT charging a Q node according to a start signal; a second TFT discharging the Q node according to an output voltage of a next shift register stage; a pull-up unit increasing an output voltage according to the Q node voltage; an odd pull-down unit decreasing the output voltage in an odd frame according to a QB-o node voltage; and an even pull-down unit decreasing the output voltage in an even frame according to a QB-e node voltage. A gate and drain of a third odd TFT connected to the QB-o node are connected to each other and receive an odd source voltage. A gate and drain of the third even TFT connected to the QB-e node are connected to each other and receive an even source voltage.

An integrated sensor apparatus capable of detecting exercise equipment parameters such as power output and cadence is designed so as to be easily retrofittable to existing equipment. To the extent that a particular sensor uses friction measurement, it can supplant an existing friction causing device on the equipment. Additionally, the sensor can communicate, wirelessly if desired, with a processing device. The processing device is capable of receiving and processing a plurality of sensor signals. The processing device can then output processed signals to a display, so that a plurality of people joining in a group exercise or competition can easily track their relative performance in real-time.

A device for selectively controlling and varying surface texture includes a body having at least one surface, and an active material in operative communication with the at least one surface, wherein the active material is configured to undergo a change in a property upon receipt of an activation signal, wherein the change in a property is effective to change a texture of the at least one surface.

A brake assembly includes a sensor mounted to a brake component, and which is in communication with a transceiver. The sensor provides position information of the brake component, which is combined with known mechanical relationships between various brake components, to determine a wear state of a brake pad and a clearance between the brake pad and a rotor. The clearance is then adjusted based on signals from the sensor and the known mechanical relationship between the various brake components to maintain the clearance within desired limits.

A driving circuit for a flat panel display device includes shift register stages, each containing: a first TFT charging a Q node according to a start signal; a second TFT discharging the Q node according to an output voltage of a next shift register stage; a pull-up unit increasing an output voltage according to the Q node voltage; an odd pull-down unit decreasing the output voltage in an odd frame according to a QB-o node voltage; and an even pull-down unit decreasing the output voltage in an even frame according to a QB-e node voltage. A gate and drain of a third odd TFT connected to the QB-o node are connected to each other and receive an odd source voltage. A gate and drain of the third even TFT connected to the QB-e node are connected to each other and receive an even source voltage.

A brake carrier for a heavy vehicle disc brake includes an actuating side carrier portion including a support for an actuating side brake pad having a first material having a first property. The brake carrier also includes a separate reaction side carrier portion having a support for a reaction side brake pad for securement to the actuating side carrier portion. The actuating side carrier portion includes a first material having a first property, and the reaction side carrier portion includes a second material having a second property, wherein the second property differs from the first property.

The present invention provides a means for cooling the brakes of under-carriage wheels by disengaging and spinning the motor used to provide traction on landing, thereby providing fan cooling of the brakes.

The invention discloses a brake pad which is applied to a disc type brake system of a high-speed train. A friction block constituted by the brake pad can be flexibly replaced. The brake pad comprises a brake pad back plate which is made of a metal material, an elastic supporting sheet, the friction block and a circular spring clamp, wherein the elastic supporting sheet is provided with a spherical supporting surface and a central guide hole; the lower part of the friction block is provided with a spherical supporting surface and a positioning and connecting shaft which is provided with a clamping groove; the connecting shaft can penetrate through the central guide hole and a back plate positioning hole of the elastic supporting sheet and is locked on the back plate by the circular spring clamp to realize floating connection; the friction block is provided with a polygonal block with a blind hole in the center; and every three friction blocks form an interlocking group, so that the rotation of the friction block during working of the brake pad is prevented. The brake pad can achieve the maximum contact friction area of the brake pad and a brake disc in a train braking process, so that the braking process is stable and the brake pad has the functions of damping, vibration reduction, noise reduction, heat dissipation and the like. The friction block is easy to replace, so that the train operation cost is lowered.

A thermal management system and methods for use are disclosed. The thermal management system comprises a shield portion and a dissipation portion. The shield portion may comprise a hot side skin, a conduction layer, an insulation layer, and a cool side skin. The dissipation portion may comprise a fin array. Heat absorbed by the shield portion is partially or fully conducted to the dissipation portion for transfer to the ambient environment. The thermal management system may be employed as an aircraft wheel heat shield, an automotive brake heat shield, a gas turbine heat shield, an electronic heat sink, and in various other applications where heat shielding and / or heat transfer are desirable.

Systems and methods for capturing pollutants from braking mechanisms are provided. The systems can include a housing partially surrounding at least a portion of a vehicle brake assembly and disposed to receive brake dust from the brake assembly and a collector disposed to capture the brake dust received in said housing. A method can include providing the a providing a housing partially surrounding at least a portion of a vehicle brake assembly and disposed to receive brake dust from the brake assembly and a collector disposed to capture the brake dust received in said housing, creating a first air flow using the forward motion of the vehicle to move the pollutants from said housing to said collector, and capturing the brake dust in said collector.

A brake pad assembly is provided, including a friction lining providing a wear surface for contacting a brake rotor and a back plate coupled to the friction lining. The back plate is made of a carbon fiber reinforced carbon matrix composite. In one example, a majority of the carbon fibers of the back plate are oriented in a x-y in-plane direction resulting in a structure where the thermal conductivity is at least 2 times greater in the x-y in-plane direction versus a z through-plane direction. In another example, the back plate is provided as at least one sheet of a carbon fiber reinforced carbon matrix composite. A method of manufacturing the brake pad assembly is also provided.

Disclosed is a polymer material comprised of at least one non-cyclic ceramic-forming polymer. The porosity and elemental composition of the resulting ceramic can be varied by inclusion of polymers with particular ratios of carbon, silicon, oxygen, and hydrogen and by manipulation of the conditions under which the polymer material is converted to a ceramic. The resulting ceramic may be useful in fiber-reinforced ceramic matrix composites (CMCs), semiconductor fabrication, fiber coatings, friction materials, and fire resistant coatings. A first aspect of the invention provides a compound of formula I wherein x is between about 0.75 and about 0.9, y is between about 0.05 and about 0.15, and z is between about 0.05 and about 0.20.

A brake assembly includes a caliper having a first side portion connected to a second side portion by two circumferentially spaced bridge arms. The brake assembly includes a first brake pad and a second brake pad that are interchangeable and each having first and second circumferential ends. Each of the first and second brake pads have a pad formation remote from the first and second circumferential ends. The first brake pad is fitted in the first side portion of the caliper with the pad formation of the first brake pad engaging a caliper formation of the first portion side of the caliper for transferring braking torque loads from the first brake pad to the first side portion of the caliper. The second brake pad is fitted in the second side portion of the caliper with the first and second circumferential ends of the second brake pad engaging respective first and second circumferentially spaced abutments of the brake assembly for transferring braking torque loads from the second brake pad to the brake assembly.

A brake caliper has a removable bridge that acts as a rigid mount for a pair of brake pad holders. The removable bridge is retained on the caliper body by spring loaded push button that allows quick removal for replacement of the brake pads, which is especially suited for automotive racing situations. The bridge is snapped in place and rigidly retained on caliper body when in use.

A disk brake pad controls rotation of a disk rotor by pushing a friction surface against the disk rotor while it is rotating. The disk brake pad is formed with respective chamfered portions at respective end portions of the disk brake pad at the incoming and outgoing disk-rotor-rotation sides thereof. An edge of an end portion of the friction surface of the disk brake pad at the incoming disk-rotor-rotation side, and an edge of an end portion at the outgoing disk-rotor-rotation side are formed in a stepped bending shape such that a length of the friction surface in a circumferential direction of the disk rotor becomes shorter in a center of rotation direction of the disk rotor.

A brake backing plate is provided in which a non-compressible core material is sandwiched between two sheet metal stampings to make a lightweight, composite brake backing plate. Each of the stampings has a textured face with a plurality of integrally formed piercing members. By rolling or pressing, the piercing members of the textured faces are fully embedded in the core material, and thus lock the stampings and the core material together.

Disclosed is a structure such that when pad clips are to be mounted, it is possible to handle return springs and the pad clips as integral articles, thereby facilitating mounting work. Constraining sections are provided at both axial ends of each of the pad clips. Furthermore, the return springs are composed of inner spring elements and outer spring elements. These two types of spring elements are helical torsion springs provided with helical sections. Abutting sections are provided on the spring elements, respectively. The abutting sections are pressed against the inner surfaces of the constraining sections by elastic restoring forces. Moreover, the central axes of the coil sections are substantially oriented in the rotational direction of the rotor.

A new method and apparatus signals to an inspector on a cursory exterior examination of a vehicle that brake pads have reached the limit of safe wear. Brake pads are designed to release a material that has a color other than the browns and grays of conventional brake pad dust when they reach the limit of safe wear. The colored material distributes itself on the wheel of the vehicle, thereby offering telltale evidence of worn-out brake pads. A first embodiment brake pad employs a colored powdered material enclosed in at least one pocket beneath the normal wear range of the friction lining. A third embodiment brake pad employs a heat-stable, colored liquid or slurry in metal capsule. The capsule is breached by rubbing against the brake rotor when the wear limit is reached. Inorganic pigments are used for powder, slurry and friction lining colorants.

An improved decoding and processing system is provided for advanced determination and display of geographic information to a called party relating to the call origination party. The improved system comprises a receiving means to receive the calling number delivery (CND) message from a local central office (CO) switch or mobile station switching center; a microcontroller storage and retrieval device containing a data base library for selectively determining the corresponding geographic information such as city and / or state by matching the area code and / or local exchange number received from the call origination party; and a readout device for displaying the city and / or state of the incoming call. Preferably, the system includes capability to automatically update the data base library of the storage and retrieval device as new area codes and / or local exchanges are subsequently assigned. Accordingly, the improved system provides the user with convenient and efficient display of geographic information related to caller identification that is capable of determining an ever-increasing number of area code and local telephone exchange numbers.

An apparatus and method for reducing brake squeal in a web tension brake. The apparatus comprising an anti-squeal friction pad assembly having a friction pad mounted on a back plate and a rubber isolation layer sandwiched between the back plate and a second back plate. The rubber isolation layer to dampen vibrations and break up the symmetry of the brake assembly minimizing acoustic resonances that cause the objectionable squeal.

Systems and methods for capturing pollutants from braking mechanisms are provided. The systems can include a housing partially surrounding at least a portion of a vehicle brake assembly and disposed to receive brake dust from the brake assembly and a collector disposed to capture the brake dust received in said housing. A method can include providing the a providing a housing partially surrounding at least a portion of a vehicle brake assembly and disposed to receive brake dust from the brake assembly and a collector disposed to capture the brake dust received in said housing, creating a first air flow using the forward motion of the vehicle to move the pollutants from said housing to said collector, and capturing the brake dust in said collector.

An arrangement contains a brake piston for operating at least one disk brake pad and a nut-and-screw unit for producing an axial thrust, from the rear to the front, of the piston containing a nut arranged in the piston's interior, and secured thereto to prevent rotation, and mounted therein to slide axially, whose front axial end face interacts with an internal section facing the piston's front wall to push the piston axially towards the front when the screw is rotatably driven in the unscrewing direction, and the screw containing a front section screwed into the nut, an intermediate radial flange and a rear section, wherein the piston screw contain centering elements that interact with one another when the screw is in a predetermined front axial mounting position in relation to the piston in order to center the rear section of the screw radially in relation to the piston.

The novel methods, apparatus and reworked rotary braking surface product, for example those exhibited on interior cylindrical braking surfaces of a cast iron brake drum, serve to replace manufacturing defects exhibiting residual tensile stresses and outwardly directed tool marks with smooth compressed braking surfaces in a final manufacturing stage. The plastically deformed surface shape with reduced roughness and surface irregularities furthermore presents improved braking strength above the yield point and approaching the ultimate material strength of the base drum material. An ultrasonic transducer drives individual freely moving impact elements of a set at frequencies up to 55 kHz into the braking surface to effect plastic deformation at surface and sub-surface layers. Physically, the small sized ultrasonic transducer is inserted into a drum cylinder and driven by a lathe producing relative motion between the braking surface and the ultrasonically vibrating impact elements scanning only the braking surface in a readily controlled ultrasonic impact machining cycle for attaining specified braking surface performance.

A hand ratchet quick release brake pad spreader tool that is a hand tool for spreading a disc brake pad connected to a piston in a caliper housing, thereby compressing the piston into the caliper housing. The hand tool consists of a shaft having a ram affixed onto a front end that slidably extends through a central aperture in a frame member and a central through bore in a backing plate that is mounted to a forward end of the frame member. A trigger handle is pivotally affixed to the frame member adjacent to a depending fixed handle on the frame member. A mechanism is for moving the shaft forwards when the trigger handle is squeezed towards the fixed handle by a hand of a person. A mechanism is for holding the shaft stationary thereby preventing the shaft from moving backwards when the trigger handle is released.