Centrifugal pump has baffle that is rotated around axis, and is arranged in region of passage opening of foot portion, where passage opening is filled with fluid tank

摘要

The centrifugal pump (1) has a drive (2) and foot portions (3) connected indirectly or directly with the drive. The foot portion is provided with a receiving space for an impeller driven by the drive, and is provided with an outer surface facing the drive. A passage opening of the foot portion is provided to rotate the shaft (6) which connects the drive and the impeller around an axis (a). The baffle (7) rotated around the axis is arranged in the region of the passage opening filled with a fluid tank.