| 摘要 |
A pump system for pumping liquids comprises a submerged pump, which is connected to a pressure pipeline and can be driven by means of a hydraulic drive comprising a hydraulic pump and a hydraulic motor, which are connected to one another by a hydraulic circuit, the hydraulic pump delivering a hydraulic medium at high pressure to the hydraulic motor, from which the hydraulic medium is discharged at low pressure. Protection means are also provided for protecting the circuit against excess pressure in the hydraulic medium discharged from the hydraulic motor. |
