Passive Hybrid Bearings
for Centrifugal Blood Pump
with Hydrodynamic and Magnetic bearing
permanent magnet
soft magnetic composite iron
Side view
magnetic field
hydrodynamic pressure
impeller
blood
Top view
Long durability, Small size, High stability, Low cost...
Design:
Center
Axial
Radial
Rolling
Magnetic force
Hydrodynamic Pressure
Mechanism:
Prototype:
Motion analysis:
Rotor
Irons for bearing