Gm Global Technolgoy Operations, Inc.

James P Poorman

Robert A Muchmore

Dennis C Dull

A torque converter and clutch assembly has a friction ring secured to the turbine which provides a friction interface for the clutch. The clutch has a spline input connection between the input shell and a clutch damper input. The pressure plate provides the damper output and supports an annular friction pad which cooperates, during engagement, with the friction ring on the turbine to complete the friction interface.

Torque converter and clutch with a turbine ring friction interface

A coupling interconnecting an engine and the impeller of a torque converter in a vehicle powertrain has first and second inertia masses interconnected by a spring and friction isolator. The coupling is effective to decrease the inertia mass of the engine and to increase the inertia mass of the transmission thereby providing a change in the natural frequency of the vehicle powertrain.

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Huber Heights, OH, United States of America

James P Poorman