Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
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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Brookbank Earl B.
Parmeter Larry J.
Baker Hughes Incorported
Bradley James E.
Dougherty Thomas M.
Nguyen Tran N.
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