Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch with lockup resistance member
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Oct 23, 2014
filing date -
Oct 23, 2014
priority date (Note) -
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Abstract
A torque converter includes an impeller, a turbine-piston hydrodynamically drivable by the impeller, and an annular lockup resistance member. The impeller includes an impeller shell. The turbine-piston includes a turbine-piston shell having a turbine-piston flange with a first flange surface facing an engagement surface of the impeller shell and an opposite second flange surface. The turbine-piston is movable axially toward and away from the engagement surface to position the torque converter into and out of a lockup mode in which the turbine-piston flange is mechanically locked to the impeller shell. The annular lockup resistance member is coaxially aligned with the rotational axis, fixedly connected and non-rotatable relative to the turbine-piston flange, and configured to resist axial movement of the turbine-piston flange toward the engagement surface and into lockup with the impeller shell.
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