| 摘要 |
Pumping device ( 10 ) to ensure that a fluid such as gaz or liquid is transmitted from one area to another area, and it comprises an outer flexible pipe (44) forming an enclosed volume between a suction area (A) and a destination area (B), which has a flexible shaft (28) through which the rotational motion from the said pumping device ( 10 ) is transferred and at least one impeller ( 33 ) to which rotational motion is transferred through this flexible shaft (28), and multiple centering components ( 35 ) ensuring that the said flexible shaft (28) is centered and/or bedded inside the outer flexible pipe (44). |
