Immersion pump

Details Immersion pump Immersion pump

1989-06-02

1991-01-01

Michalsky, Gerald A.

Pumps

Motor driven

Electric or magnetic motor

417366, 4174237, 4174238, F04D 1308

Patent

active

049814206

ABSTRACT:
An immersion pump assembly comprises a wet-rotor motor of which the rotational speed and/or the torque can be varied by means of a frequency changer, and a pump unit. The frequency changer, the wet-rotor motor and the pump unit are arranged one above another within a tubular jacket. The motor comprises a split tube formed as a closed pot which is connected to the jacket and which separates the stator compartment from the pump unit in liquid-tight and pressure-tight fashion. The frequency changer is so installed in the stator compartment that its operating electronic system is disposed on the bottom of the split tube pot in the stator compartment.

REFERENCES:
patent: 3685926 (1972-08-01), Blum
patent: 4834624 (1989-05-01), Jensen et al.

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