Multi function torque converter with lever spring and method...

Details Multi function torque converter with lever spring and method... Multi function torque converter with lever spring and method...

2007-12-11

2011-10-25

Bonck, Rodney (Department: 3655)

192 clutches and power-stop control

Vortex-flow drive and clutch

With additional drive or clutch

C192S003300, C192S048618, C192S085350, C192S09900A

Reexamination Certificate

active

08042665

ABSTRACT:
A torque converter including an impeller clutch with a first portion connected to a cover for the torque converter and a second portion connected to an impeller; and a lever element in contact with the clutch and displaceable to multiply a first force applied to the lever element for operation of the clutch. In some aspects, the converter includes an impeller piston plate engaged with the lever element and displaceable to apply the force to the lever element. In some aspects, the torque converter includes a torus and a charge chamber for the impeller clutch, a second force is associated with a hydraulic pressure to prevent cavitation in the torus, a third force is required to operate the impeller clutch to transmit a desired torque across the impeller clutch, and the multiplied force is at least equal to a sum of the second force and a third forces.

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