CVT- Continuously Variable Transmission

Analogy between Gears and Levers

Gears and CVTs can be easily understood if we make an analogy with levers.
In fact, a lever works as a gear, (when small rotations are considered).
The following comparisons between GEARS and LEVERS will evidence how the IVT works.
Two gears in the same shaft:
Planetary Gear Set (PGS) :
IVT: forward:
IVT: neutral:
IVT: reverse:
In the beginning of the 20th century, the first friction CVTs were simple IVTs.



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