Granted Patent B2

US 8,251,193 · App. 12/472,533 · Granted Aug 28, 2012

Abstract

Claims (5)

1. A torque transmission device, in particular in the drive train of a motor vehicle, with a hydrodynamic torque converter ( 6 ), comprising a converter cover ( 14 ), said converter cover connected torque proof with a drive unit ( 3 ), wherein said converter cover is coupled with a turbine shell ( 21 ) through a pump shell ( 20 ), bridged by a converter lockup clutch ( 30 ), which comprises a piston ( 28 ), which is axially movable relative to the converter cover ( 14 ) within limits, wherein the piston ( 28 ) is connected torque proof with a drive plate ( 50 ) in a first connection portion ( 51 ), which drive plate is connected torque proof with the converter cover ( 14 ) in a second connection portion ( 52 ), wherein an additional connection portion ( 53 ; 56 ) is provided, in which the drive plate ( 50 ) is connected torque proof with the converter cover ( 14 );

wherein the additional connection portion ( 53 ) is disposed in radial direction between the first connection portion ( 51 ) and the second connection portion ( 52 );

wherein the additional connection portion ( 53 ) is disposed in axial direction at least partially between the piston ( 28 ) and the converter cover ( 14 ) and,

wherein leaf spring tongues ( 57 , 59 ) extend from the drive plate ( 50 ), which said leaf spring tongues are connected to the converter cover ( 14 ) in the first connection portion ( 51 ).

2. A torque transmission device according to claim 1 , wherein the leaf spring tongues ( 57 - 59 ) extend in circumferential direction.

Assignments (6)