Immersed motor pump has housing with motor and pump sections connected by intermediate chamber coupled with cooling jacket for motor

摘要

The immersed motor pump (1) has a housing (2) with an electric motor section (5) and a hydraulic section with a pump turbine (3). An intermediate chamber (8) between the motor and hydraulic housing sections has the motor shaft (6) extending through it. The motor housing section has a cooling jacket (15) which is connected to the intermediate chamber via diametrically opposed feed and return openings.