cool_hardware52
Contributor
All blower/fan isn't applicable.
the brushed motor generates the ozone.
"Ozone created by motors do rubber ( to include seals) no good"
Shaded Pole motors don't have any brushes. Most ac motors do not have brushes, the exception being "universal" motors which can operate on AC or DC. Commonly used in things like drill motors.
Arcing is the the major producer of Ozone, think lighting and brush type dc or univeral ac / dc motors.
Tobin