Ferrofluid Seal ·
A Liquid O-Ring
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seel
.com · NASA 1963 · ΔP 1-3 bar/stage · >10⁹ rev
Shaft
0 RPM
Stage
—
Stage
a liquid O-ring
Shaft / pole pieces
Ferrofluid
Magnetic field
Sealed boundary
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.com · Ferrofluid Seal