Pump, particularly deep submersible pump, high pressure centrifugal pump, boom lift, drive pump or double-piston pump for deep sea operations, has two liquid filled lines that are tightly connected between each inlet and outlet

摘要

The pump has two liquid filled lines (2,3) that are tightly connected between each inlet (8,9) and outlet (10,11) of the drive pump (1) and a closed chamber (4,5). The closed chamber is separated from a displacement body by an impermeable diaphragm (13,14). The double-piston pump is located at a lifting height, where the liquid filled pipes are alternatively provided with ideal frequency, pressure and suction to generate a flow direction change. The chamber and a displacer space (6,7) are designed as a single container.