Patent ID: 8454447
Filing Date: 2013-06-04
Classification: F16D,Y10T

Abstract:
1. A torque transmission device for a motor vehicle configured to transmit torque from an internal combustion engine to a torque converter, the torque transmission device comprising: a transmission part that is configured to be: a substantially tubular portion configured so that a shaft can pass therethrough arranged between a first radially inner portion of the one of the first disk-shaped portion and the first ring-shaped portion and a second inner radial portion of the one of the second disk-shaped portion and the second ring-shaped portion; and a plurality of recesses configured to reduce an axial rigidity of the transmission part arranged in at least one of the first circumferential region and the second circumferential region and that extend at least partially over at least one of the first and the second circumferential regions; wherein the recesses are formed as notches that extend from the radial outer edge of the transmission part between two of the first or second fastening elements into at least one of the respective first and second circumferential regions to at least the radius of the respective first or second fastening elements; wherein the notches are formed such that an annular material area remains around the bore holes in the transmission part; and wherein the fastening elements are rivets that extend through bore holes in the transmission part.