Sealless rotodynamic pump with fluid bearing

Details Sealless rotodynamic pump with fluid bearing Sealless rotodynamic pump with fluid bearing

1993-12-08

1994-12-06

Bertisch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

4174237, 604151, 415900, F04B 1700

Patent

active

053705092

ABSTRACT:
A sealless centrifugal blood pump is provided in which a rotatable impeller is supported in a pump housing by fluid bearings during operation. Rotational movement of the impeller is accomplished with an inverted motor for magnetically driving of the impeller and maintenance of the axial running position of the impeller relative to the housing. In an alternative embodiment, the axis of the rotor housing is radially displaced relative to the axes of drive element of the motor and the motor housing.

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