Patent ID: 6536564
Filing Date: 2003-03-25
Classification: F16D

Abstract:
A vented disc brake rotor comprising:first and second annular braking surfaces jointly defining inner and outer circumferential surfaces and a central region; a hat region disposed in the central region and adapted for mounting said rotor to a vehicle; a plurality of directing walls disposed between the first and second braking surfaces and defining a plurality of flow channels, each flow channel extending from the inner circumferential surface to the outer circumferential surface; a separating wall disposed in each flow channel, each separating wall extending from a first end at a point between the inner and outer circumferential surfaces to a second end at the outer circumferential surface, dividing a flow channel into first and second subchannels, and having a width that increases from the first end to the second end; and a plurality of directing fins projecting into the central region, each of the plurality of directing fins disposed adjacent a flow channel and defining a directing surface adapted to direct air into the flow channel; wherein the total cross-sectional area of each of the plurality of flow channels remains substantially constant from the inner circumferential surface to the outer circumferential surface.