A pump system comprises a fluid housing, a permanent magnet rotor, and an electric stator. The fluid housing has an axis, an axial inlet, and a radially outer outlet.
The permanent magnet rotor is disposed on the axis, within the fluid housing, and has a plurality of perimetrically distributed fins that extend at least partly radially outward.
The electric stator is disposed on the axis and within the fluid housing, and is situated adjacent the impeller fins of the permanent magnet rotor, separated from the impeller fins by an axial gap.
