Are Fans Pneumatic Devices?

[techhelpbb]

Originally Posted by martin417

A pneumatic (air powered) motor is not on the list of approved pneumatic devices.

In 2007 they had these:

Rotary Actuator
Bimba is again offering you a rotary actuator. This is ideal for grippers, gear shifters, brakes etc. If you choose to
use one of these you will only be allowed to order 2 free cylinders instead of three. As with the cylinders, you may
order a magnetic piston, which will activate the switches when the piston is directly underneath the switch. The
rotational tolerance of the unit is 90 degrees –0 degrees +15 degrees. Exact angle adjustment should be made with
external stops. The theoretical torque of this actuator is 0.166 inch-lbs/PSI. Using the maximum allowed pressure of
60 psi the unit could develop a theoretical torque of almost 10 inch-lbs.

Also it's possible to convert linear motion to rotary.
So one could convert those linear cylinder movements to rotary movement.
Anyone see a rule to prohibit converting linear cylinder movement to rotary?