turbo blower VS centrifugal blower

Hey my friend.  sharing with you.

1.Turbo blower is a kind of centrifugal blower as blower impeller is driven by magnetic bearing or air bearing and rotating at super high speed more than 20000 rpm, so it’s also called air bearing turbo blower or magnetic bearing turbo blower.
2.Centrifugal blower also include gear driven type blower or mechanical bearing driven type blower.