| 摘要 |
Stirrer (M) that comprises at least two blades and is able to be fixed to a rotary shaft, characterized in that each blade has a leading edge facing the fluid to be stirred and a trailing edge facing away from the leading edge, characterized in that each blade is obtained by bending a flat metal sheet, each blade having two longitudinal bends, the length of each bend being greater than 60% of the maximum radius of the blade. |
