| 摘要 |
<p>[0023] A submersible electric motor is disclosed. In one example embodiment, a submersible electric motor includes a bearing system. The bearing system includes rolling bearings in a housing, where the rolling bearings are ball bearings or roller bearings that are mounted on a rotor shaft of a rotor assembly. The bearing system also includes polytetrafluoroethylene (PTFE) spring energized seals located at a top part of the motor and a diaphragm located at a bottom part of the motor to retain a lubricant in the motor. The lubricant is a combination of propylene glycol and water. Fig. 1</p> |
