Rotor of a canned motor for a canned motor pump

Details Rotor of a canned motor for a canned motor pump Rotor of a canned motor for a canned motor pump

1992-03-20

1994-04-19

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, H02K 1512

Patent

active

053048776

ABSTRACT:
A rotor of a canned motor for a canned motor pump, which operates in fluid, includes a core assembly with a plurality of stacked cores each having a plurality of slots formed therein, a conductor portion integrally constituted by a plurality of rotor bars inserted into respective slots of the core assembly and opposite end rings disposed on the opposite sides of the core assembly, and a coating film formed on the outer surfaces of the core assembly and the conductor portion to prevent the fluid from permeating into them. The rotor has enhanced airtightness and anticorrosion properties and may be made of low-priced materials using a shortened manufacturing process, resulting in cost reduction.

REFERENCES:
patent: 3659129 (1972-04-01), Pettersen
patent: 3902087 (1975-08-01), Hakamada et al.
patent: 4007386 (1977-02-01), Rustecki
patent: 4131990 (1979-01-01), Roach
patent: 4588915 (1986-05-01), Gold et al.
patent: 4827167 (1989-05-01), Mayumi et al.
patent: 5068560 (1991-11-01), Lundquist

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