Canned motor pump having concentric bearings

Details Canned motor pump having concentric bearings Canned motor pump having concentric bearings

1996-09-30

1997-12-02

Thorpe, Timothy

Pumps

Motor driven

Electric or magnetic motor

4174231, 417366, 415111, F04B 1700

Patent

active

056928866

ABSTRACT:
A canned motor pump has relative small size and low output power for use in, for example, circulating warm water. The canned motor pump comprises a motor stator, a stator can disposed radially inwardly of the motor stator and in which a fluid passage of a main flow of a pumped fluid is defined, a rotatable shaft, a motor rotor fixedly supported on an end of the rotatable shaft and disposed radially inwardly of the stator can, a pump impeller mounted on an opposite end of the rotatable shaft, and all radial bearings for supporting the rotatable shaft disposed between the motor rotor and the pump impeller.

REFERENCES:
patent: 2246777 (1941-06-01), Bordeaux
patent: 3138105 (1964-06-01), White
patent: 5184945 (1993-02-01), Chi-Wei

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