Patent ID: 6428276
Filing Date: 2002-08-06
Classification: F16H

Abstract:
Hydrokinetic coupling apparatus for a lock-up clutch apparatus comprising a turbine wheel coupled to a driven shaft and which is contained within a casing with which it is adapted to cooperate, for hydrokinetically transmitting a torque to the said driven shaft, from a driving shaft which is coupled with an impulse wheel, the impulse wheel being made in the form of a wheel (1) which comprises at least one of an outer toroidal portion (3) and an inner toroidal portion (8), together with blades (4) fixed to the said toroidal portion (3, 8), wherein the blades (4) and the toroidal portion (3, 8) are integrally moulded as a one piece homogeneous body of a synthetic material, which consists of at least one of a thermoplastic material, a thermosetting material, and an alloy of synthetic materials, and wherein said outer toroidal portion is integrally moulded to include an peripheral thickened portion (25) formed with a seating portion for receiving spring members of said lock-up clutch assembly.