| 摘要 |
According to a first aspect, the present invention relates to a propeller pump comprising a pump housing and a pump core that is arranged in the pump housing and has a propeller, which together delimit a channel, and which are connected by means of a guide vane. The propeller pump is characterized in that a cross-sectional area (A2) of the channel (27) at the rear edge (30) of the guide vane (13) has a measure that is greater than, and that is less than a factor of 1.1 times, a cross-sectional area (A1) at the rear edge (29) of the blades (21) of the propeller, and that the specific rotational speed of the propeller pump is greater than 200 and less than 300. According to a second aspect, the present invention relates to a pump station comprising such a propeller pump. |
