Torque converter and slipping clutch assembly

Details Torque converter and slipping clutch assembly Torque converter and slipping clutch assembly

1975-08-11

1976-08-03

Wyche, Benjamin W.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 7019, F16D 3900, F16D 4706

Patent

active

039723976

ABSTRACT:
A torque converter and clutch assembly wherein the clutch is selectively maintained in slipping engagement with the torque converter input to provide a split torque drive in the assembly resulting in increased overall efficiency of the assembly. The engagement force of the clutch is proportional to the rearward axial thrust force on the turbine which thrust force is normally greatest when the converter is stalled and is imposed on a spring member which deflects proportionally to the thrust to control fluid flow to the disengagement side of the clutch through a variable restriction. The spring cooperates with a passage formed in the turbine hub, to form the variable restriction through which fluid must pass to enter the disengagement chamber of the clutch. The disengagement chamber has a fixed restriction exhaust passage so that the disengagement pressure is determined by the size of the variable restriction.

REFERENCES:
patent: 3730315 (1973-05-01), Annis et al.

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