Patent ID: 6065946
Filing Date: 2000-05-23
Classification: F04B,F04D,F24D,H02K,Y02B

Abstract:
A centrifugal integrated d.c. controller pump comprising, in combination:a) a pump head having spaced-apart inlet and outlet ports and an impeller for controlling a flow of fluid therebetween;b) an integral solid body of continuous molded, nonmagnetic material having a generally-cylindrical shape and a hollow interior, said body encapsulating a stator;c) a rotor fixed to said means for controlling fluid flow, said rotor including a plurality of radially-arrayed permanent magnets;d) the hollow interior of said solid body of molded, nonmagnetic material defining a coaxial interior cylindrical chamber permanently closed at one end and open at the opposed end for receiving said rotor;e) a hollow cylindrical housing; andf) the exterior surface of said body contacting the interior surface of said housing throughout the length of said body.