Patent ID: 6053290
Filing Date: 2000-04-25
Classification: F16D

Abstract:
A disc brake rotor for mounting to a rotatable axle flange of a motor vehicle and for inducing a flow of cooling air into the rotor, the rotor comprising:a pair of annular brake discs which are coaxially spaced apart from one another in a parallel orientation and which have equivalent outside and inside diameters;a plurality of substantially radially extending ribs, the ribs being located between and rigidly connecting an opposing surface of each disc included in the pair of annular brake discs and thereby forming an assembly of the pair of brake discs and the plurality of ribs, the ribs further being shaped to have a circumferential width that progressively narrows in the radial direction from the inside diameter to the outside diameter of the pair of brake discs, thereby defining a plurality of spaces located between the pair of brake discs, each of the spaces having a first opening at the inside diameter of the pair of brake discs and a second opening at the outside diameter of the pair of brake discs, the first opening having a cross-sectional area that is smaller than the cross-sectional area of the second opening;a flat annular hub which has an outside diameter that is substantially smaller than the inside diameter of the pair of brake discs and which is concentrically aligned with the pair of brake discs and is axially positioned centrally within the assembly of the pair of brake discs and the plurality of ribs; anda weblike structure placed between and connecting the annular hub to the assemblage of the pair of brake discs and the plurality of ribs.