MEJORAS EN BOMBAS CENTRIFUGAS SUMERGIBLES ELECTRICAMENTE ACCIONADAS.

摘要

A submersible pump which may be provided in a cargo tank of an oil tanker or the like, comprising an electric driving motor (1) which is surrounded by a cooling jacket (9). To isolate the motor (1) from the cargo oil or liquid, the motor (1) including its cooling jacket (9) is enclosed in a coffer-dam (18) which is suitably filled with water and through which extends at least a substantial portion of an electric current supply cable (20) for the motor.