To provide a power modulating device (PMD), concerning a front end accessory drive (FEAD), subassemblies, and components therefor, which can be used in the FEAD.
A continuously variable transmission (CVT) is coupled directly to a crankshaft of a prime mover, and the CVT is used to regulate the speed and/or torque delivered to an accessory. A compound drive device includes a motor/generator subassembly cooperating with a CVT subassembly to provide a motor functionality with torque multiplication or division, or alternatively, a generator functionality with torque multiplication or division. The FEAD includes a sun shaft configured to couple to a sun of the PMD and to an electric motor component, such as an electrical armature or a magnetic field. The electrical armature and the magnetic field are placed concentrically and coaxially and configured to rotate relative to one another in opposite directions.
MILLER DONALD C
SMITHSON ROBERT A
CARTER JEREMY
LOHR CHARLES B
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