| 摘要 |
The invention relates to a conveying element (1), which comprises a shaft (2) with a through-bore (26) and sliding bearings (4, 4a, 4b), wherein a first drive element (17) is disposed on the shaft (2). The conveying element in the preferred embodiment as a magnetic coupling pump (1) or as a canned motor pump is characterized in that there is disposed in the first drive element (17) or in the first internal magnetic rotor (17) at least one channel system (41), which adjoins a connecting bore (42) emerging in the through-bore (26) of the shaft (2). |
