Electric submergible motor with bearing assembly isolated from a

Details Electric submergible motor with bearing assembly isolated from a Electric submergible motor with bearing assembly isolated from a

1985-01-22

1987-01-20

Salce, Patrick R.

Electrical generator or motor structure

Piezoelectric polymers

310157, 411530, H02K 516

Patent

active

046381988

ABSTRACT:
Electric submergible motor of the long, multi-rotor section type employed for driving submergible pumps has bearing assemblies between successive rotor sections that are isolated from axial loads. For this purpose, the upper rotor section of each pair of successive rotor sections may have its lower end supported on a rotor shaft protrusion, such as a ring mounted in an annular groove of the rotor shaft. A chamfer at the end of the rotor bore locks the ring in place.

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