| 摘要 |
The current invention is related to a pumping device (10) to ensure that the fluid materials such as water and liquid are transmitted from one area to another area, and it comprises an outer flexible pipe (44) forming an enclosed volume between the first suction area (A) and 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). |
