LIGHT WEIGHT TORQUE CONVERTER

摘要

The present invention provides a torque converter 10 including a pump assembly 35 including a unitary pump vortex ring and blade array structure 38 and a formed metal sheet pump shell 37, being connected to a sheet pump shell 37 by braze joint metallurgical bond; a lockup clutch plate assembly 20 including a plurality of integrally formed vibration damping features 50, and a centrally positioned gear ring 24; a turbine assembly 25 including a unitary turbine vortex ring and blade array structure 28, a formed metal sheet turbine shell 27, and a turbine hub 26 configured for engagement to the gear ring 24 of the lockup clutch plate assembly 20 and engagement to a shaft of a transmission system; and a stator 31 positioned between the turbine assembly 25 and the pump assembly 35.