Bracewell & Giuliani LLP
Enhanced thermal conductivity material in annular gap between electrical motor stator and housing
A submersible electric motor has feature to enhance thermal conductivity from the motor interior to the exterior. The motor has a cylindrical housing and a stator rigidly mounted within housing. A rotatable rotor is located within the stator. A gap formed between the stator's outer diameter and the inner wall of the housing is filled with a high thermal conductivity material to improve heat transfer from the motor. The remaining portion of the housing may be filled with a dielectric lubricant that has lesser thermal conductivity than the high thermal conductivity material.
Baker Hughes Incorporated
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Steven K. Ketankumar K. Thien Q. Earl B. William F. John M. Suresha R.
Tetzlaff Sheth Tran Brookbank Pranger Knapp O'Bryan