Patent ID: 6039160
Filing Date: 2000-03-21
Classification: F16D

Abstract:
A friction torque transmitter comprising:an input member; an output member;a pack of friction disc members alternately drivingly connected to said input and output members;a fluid operated piston operative to enforce frictional engagement of said friction disc members to support torque transfer in two rotational directions, said piston engaging a first of said friction disc members and a second of said friction disc members providing a reaction member during piston enforced engagement; anda one-way actuator operatively connected between said input and output members to enforce frictional engagement only in one rotational direction in response to a speed differential between said input and output members in said one direction, said one-way actuator having an apply surface engaging a third of said friction disc members, and reaction means between one of said input or output members and said first of said friction disc members so that said first of said friction disc members is capable of providing a reaction member during one-way enforced engagement even in the absence of fluid-operated piston enforced engagement.