| 摘要 |
A centrifugal electric pump (10), of the type comprising a shell (11) for the containment of a set of impellers (12) interleaved with fixed diffusers (13), and of a motor (14) that drives the impellers (12) to rotate, since they are keyed on a same shaft (15) as the motor (14), a sealing chamber (16) is provided between the impellers (12) and the motor (14) and is extended around the shaft (15) to collect condensation water and water seepage originating from the set of impellers (12), the sealing chamber (16) is connected to the outside of the pump (10) by means of at least one water discharge duct (18). |
