Micropump, Inc.

Kurt T Liebezeit

Kevin D O'Hara

Joseph J Stupak, Jr

Christophe J Sevrain

A pump assembly includes a pump head that is coupled to a permanent magnet rotor. The rotor is enclosed in a cavity defined by a fluid-tight cup that has an open first end and a closed second end. This cavity is in fluid connection with the pump head through its open first end. Outside the cup enclosure are disposed a plurality of electrical stator windings. A housing encloses all of the foregoing elements, and may also enclose a circuit board that includes circuitry for driving the stator windings. The pump assembly thereby provided is compact, efficient, and reliable.

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Vancouver, WA, United States of America

Kurt T Liebezeit