Immersion motor with liq. dielectric filled housing - has hydraulic motor protection as interconnected chambers above and below motor

摘要

The motor rotor and stator are mounted in the housing which also contains a hydraulic protection system in the form of two chambers, one of which is mounted above the motor and is filled with a liquid whose density is greater than that of liquids inside and outside the motor. It does not mix with these liquids. The second chamber (13) below the motor communicates with the motor interior and is filled with the same liquid dielectric as the motor housing. It is connected through a pipe (15) with the first chamber (11). The first chamber above the motor is directly adjacent to its end face, while the pipe (15) connecting these chambers (11, 13) runs inside the motor.