Lock-up piston plate for recirculating flow torque converter

Details Lock-up piston plate for recirculating flow torque converter Lock-up piston plate for recirculating flow torque converter

F - Mech Eng,Light,Heat,Weapons

16

H

138/12.18

F16H 41/24 (2006.01) F16H 45/02 (2006.01)

Patent

CA 2023059

087094-S LOCK-UP PISTON PLATE FOR RECIRCULATING FLOW TORQUE CONVERTER Abstract of the Disclosure A piston plate for providing a lock-up of a hydropneumatic torque transmitting unit has a friction lining bonded to a flat area thereon near the outer diameter which is arranged to slip with respect to the front cover of a rotating housing of the torque converter. The friction lining has an annular sealing segment to seal fluid leakage across the lining; and a plurality of grooves is formed from the outside diameter of the lining to an intermediate point on the width to communicate through an axial hole in the piston plate to provide a path for flow of cooling fluid through the lining for removing heat build up therefrom; the source of the cooling fluid also is the fluid source for applying pressure to the plate for providing lock-up in the torque transmitting unit.

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