ELECTRIC CENTRIFUGAL PUMP

摘要

<P>PROBLEM TO BE SOLVED: To provide an electric centrifugal pump improved in output torque by decreasing a clearance between opposed faces of a rotor and a stator. Ž<P>SOLUTION: The pump is equipped with a bearing recessed part 231 (support part 230) fixedly provided on an inner peripheral side of the stator 22 and a shaft part 212 extending from the bottom part 210 of the rotor 21 to the axial direction on the stator 22 side and inserted into the bearing recessed part 231 for rotatably bearing the rotor 21. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž