FIELD: centrifugal pumps set in rotation by means of electromagnets. SUBSTANCE: permanent magnets 12 are mounted on impeller 4 between passages 10 of its flow section. Ends of magnets 12 are received by clearances between housing 1 and ends of impeller 4 at parallel axes of magnets 12 and rotor. At least one pair of sensors 13 connected to system creating the revolving magnetic field through control unit 6 is located at ends of impeller 4 and is connected to circuit 14 comparing their signals in control unit 6. EFFECT: enhanced efficiency. 3 cl, 3 dwg
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