Low power modulating clutch control system

Details Low power modulating clutch control system Low power modulating clutch control system

2007-02-20

2007-02-20

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C060S545000, C091S433000, C192S084600

Reexamination Certificate

active

10931589

ABSTRACT:
A power transmission device includes a rotary input member adapted to receive drive torque from a source of torque, a rotary output member adapted to provide drive torque to an output device and a torque transfer mechanism operable to transferring drive torque from the input member to 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 electric motor drivingly coupled to a first piston. The first piston is slidably positioned within the housing for supplying pressurized fluid to an accumulator. The pressurized fluid within the accumulator is in communication with a second piston to provide the clutch engagement force.

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