Ring channel blower
Ring channel blower
Rotary blower and aspirator having a modifiable conformation
Rotary device with bypass system
Rotary suction and blowing machine
Rotary turbine fluid pump
Roto-dynamic pump with a backflow recirculator
Roto-dynamic pump with a diffusion back flow recirculator
Rotodynamic fluid pumps
Rotor case treatment
Rotor with recirculation