| 摘要 |
The invention relates to a pump-out device for pumping mineral oil out of an oil tank (1), in particular of a tanker ship, comprising at least one pump, wherein the pump is a screw pump (3) that can be lowered into the oil tank (1), preferably into a sounding pipe (2), said screw pump having at least two pumping spindles (4, 5, 6) that engage with each other for pumping the mineral oil, and the pump-out device has at least one motor, preferably attached directly to the screw pump (3), for rotating the pumping spindles (4, 5, 6). |
