Submersible motor for driving a centrifugal pump having a separa

Details Submersible motor for driving a centrifugal pump having a separa Submersible motor for driving a centrifugal pump having a separa

1997-05-23

1999-08-24

Freay, Charles G.

Pumps

Motor driven

Electric or magnetic motor

41742315, F04B 1703

Patent

active

059416955

ABSTRACT:
A submersible motor for driving a centrifugal pump. The motor includes a rotor space filled with a fluid and the rotor space on the pump side is sealed by way of a sealing formation penetrated by the motor shaft which carries the rotor of the motor. In the rotor space between the sealing formation and the rotor there is provided a stationary separating wall, letting through the motor shaft, for forming a smoothing space in front of the sealing formation.

REFERENCES:
patent: 2568548 (1951-09-01), Howard et al.
patent: 2958292 (1960-11-01), Lipe et al.
patent: 3487457 (1969-12-01), Drouard et al.
patent: 4664605 (1987-05-01), Asano et al.
patent: 4725206 (1988-02-01), Glaser et al.
patent: 4752193 (1988-06-01), Horler
patent: 5367214 (1994-11-01), Turner
patent: 5622222 (1997-04-01), Wilson et al.

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