Lubricant inducer pump for electrical motor

Details Lubricant inducer pump for electrical motor Lubricant inducer pump for electrical motor

1996-07-18

1998-10-27

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, 310 61, 4174231, 4174233, 4174235, F04B 1700, F04B 1508

Patent

active

058281495

ABSTRACT:
An inducer pump located internally in an electrical submersible pump motor enhances lubricant circulation within the motor. The inducer is located at the lower end of the shaft within a shaft bore. The inducer has a rod and a helical flight rigidly mounted to the rod. The inducer rotates in unison with the motor, pumping lubricant from a lower lubricant chamber upward through the shaft bore.

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