Full Operation
Although
there are different parts of CVT transmission most commercial cars use a
similar set up. Essentially a CVT Transmission operates by the working diameter
of the two main pulleys in the transmission.
How it
works it that the pulleys have a V-shaped grooves in which the connecting steel
belt rides on. One side of the pulley is fixed while the other side is movable
and is controlled by a hydraulic cylinder. The Cylinder can increase or
decrease the amount of space between the two sides of the pulley. This allows
the steel belt to ride higher or lower along the sides of the pulley wall, depending
on the driving condition. This purpose is the same as a mountain bike shifting
gears by going on the next sprocket except with a CVT transmission the gears
are infinite with no steps in between.
The
step-less nature of the design is CVT’s biggest Success for Automotive
Engineers. Because of this a CVT transmission can work to keep the engine at
its optimum power range therefore increasing power when needed and fuel
efficient if you’re easy on the accelerator.
With
these advantages its quite easy to understand why most manufacturers often use
CVT Transmission in their car mostly because of its fewer internal components.
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