Friction gear transmission systems or components – Condition responsive ratio change – Electric or magnetic control
Patent
1999-01-22
2000-09-19
Herrmann, Allan D.
Friction gear transmission systems or components
Condition responsive ratio change
Electric or magnetic control
74572, 180165, 185 37, 185 39, 185 41R, 476 47, F16H 1538, F03G 308, B60K 610
Patent
active
061204110
ABSTRACT:
A control methodology for regulating the power input and output of an inertial energy storage device, such as a flywheel. The control methodology utilizes a continuously variable transmission (CVT) and comprises control of the CVT speed ratio based on feedback of the CVT output torque. The CVT ratio control signal is based on an error signal equal to the difference between operator input and CVT output torque. Operator input may be a positive or a negative value, a negative value corresponding to regenerative power. Operator input corresponds to required force or torque analogous to throttle opening or braking effort. This methodology continuously synchronizes the speeds of the inertial energy storage device and powered machinery, keeping frictional losses to aminn
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