Patent ID: 9086107
Filing Date: 2015-07-21
Classification: F16D,Y10T

Abstract:
1. An internally ventilated brake disc, comprising: at least two friction rings; a disc hub portion configured to support the at least two friction rings on a vehicle axle hub; a plurality of ribs arranged between and spacing apart the two friction rings, the plurality of ribs not extending radially inward toward an axis of rotation of the brake disc beyond an inner circumference of each of the two friction rings; a plurality of air blades separate from the at least two friction rings and the disc hub portion and fastened to the brake disc, the plurality of air blades extending essentially inwardly in a radial direction from the inner circumference of at least one of the two friction rings toward the axis of rotation of the brake disc, the plurality of air blades being operatively configured to deliver cooling air through a space between the two friction rings during rotation of the brake disc; wherein the plurality of air blades are formed as a sheet metal part coupled to one or more of the plurality of ribs, wherein the air blades of the sheet metal part are formed out of a sheet metal ring, whereby the sheet metal part having the air blades is an integral sheet metal part, and wherein the sheet metal ring is not a closed ring, and comprises a plurality of clamps extending radially outward from the sheet metal ring and configured for a shape-locking connection to the one or more ribs.