Low power modulating clutch control system with...

192 clutches and power-stop control – Clutches – Operators

Reexamination Certificate

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Details

C192S084930, C192S085060, C192S085060, C060S545000

Reexamination Certificate

active

07097019

ABSTRACT:
A power transmission device includes a rotary input member receiving drive torque from a source of torque, a rotary output member for providing drive torque to an output device and a torque transfer mechanism for transferring drive torque between the input member and the output member. The torque transfer mechanism includes a friction clutch assembly operably disposed between the input member and the output member and a hydraulic clutch actuation system operable for applying a clutch engagement force to the friction clutch assembly. The hydraulic clutch actuation system includes an electromagnet and a piston operable to supply pressurized fluid and provide the clutch engagement force.

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