A separate parking ring isolates localized parking brake loads, transfers torque to the hub, and prevents metal sheet bell deformation.
A friction-fit torsion arm retracts long brake pads uniformly, avoids drilling coated backing plates, and maintains retraction through pad wear.
Nominally dense CMC plies joined by compliant interlayers and FAST or SPS reduce stress gradients while improving brake strength at high temperature.
Pins placed on intersecting spiral and circular paths improve brake disc cooling while preserving rotational balance and reducing turbulent drag.
A hypereutectic aluminum-silicon disc with grooved brake tracks and NAO pads avoids rust, improves wear resistance, and simplifies casting.
Radial mechanical microgrooves raise PMMC brake ring roughness for faster run-in, uniform friction layers, and lower wear without caustic etching.
A zig-zag circumferential groove with larger outer openings improves oil distribution, cutting drag torque and friction-surface wear.
Pre-decarburizing gray cast iron enables thicker, more uniform nitriding on brake disks, improving wear, erosion resistance, and thermal fatigue durability.
A signal line doubles as a wear-limit detector in disk brakes, warning when one lining reaches its limit without extra sensors.
Hydrogen reduction removes metallic contaminants from carbon-carbon brake preforms at lower temperatures, improving brake reliability and material integrity.
Curved bridge joints and vane air channels help a composite brake disc maintain coupling strength while improving heat dissipation.
Variable plate thickness and widening ventilation channels balance brake disc temperatures, reducing thermal coning and hub stress.
Double-S connecting fins create turbulent variable-section airflow in a disc brake band, boosting cooling without added weight or size.
Plastic deformation forms a crimped hat-to-plate joint that cuts machining accuracy demands while maintaining disc rotor strength.
Alternating blocked channels balance inboard and outboard airflow in a vented brake disc, improving cooling and reducing coning.
Pulsed reactant gas disrupts boundary layers in CVI/CVD, improving mass transfer to densify porous carbon parts in one cycle.
A flat flange or rotor hat region enables riveted brake disc joints that stay stable without thinning lightweight material.
Recessed brake-band and inner-part engagement improves heat transfer and torque transmission while keeping bicycle brake discs simpler and lower cost.
Axial recesses in the brake disc hub place rivets closer to the shell, cutting radial connection space and enabling smaller, lighter brake discs.
Aligned radial openings and wall elements spread fixing-pin loads to improve torque transfer and reduce hub stress in a motor-vehicle brake disc assembly.
Segmented friction pieces and inter-piece oil grooves improve oil discharge and lubrication, cutting drag torque in low-speed transmission operation.
Oblique drive webs lock the friction ring and brake disc hub against axial, radial, and twisting loads while supporting lighter brake disc assemblies.
A spring-steel expander ring lets the rotor float on the hat, reducing thermal stress, fatigue, twisting, and brake maintenance.
Higher-filler wiper patches scrub decomposed ATF modifiers from wet clutch friction surfaces, reducing glazing and extending clutch pack life.
Swept vanes with surface protrusions create recirculating airflow in a ventilated brake disc, improving cooling without added size or weight.
Surface-textured rotor inserts retain brake pad transfer film while resisting wear and corrosion to extend rotor life and stabilize braking.
Cold forming the hub into the brake ring profile improves torque transfer, axial run-out, and alignment while reducing process steps.
A recessed second member enables screwless attachment of magnets or non-metallic parts, keeping the disc brake rotor compact while supporting rigidity tuning and rotation sensing.
Varying needled fiber density between core and exterior regions boosts shear strength while preserving gas diffusion for CVD/CVI densification.