Hydraulic unit for reverse osmosis system to purify salt water, has booster pump comprising coupling between pressure converter rotor and pump rotor, and drive connection arranged at pump rotor on side turned away from pressure converter

摘要

The unit (20) has a pressure converter (11) comprising a converter housing (21), a low pressure inlet (LPF), a low pressure outlet (LPC), a high pressure inlet (HPC) and a high pressure outlet (HPF). A booster pump (16) comprises a pump housing (25), a pump inlet and a pump outlet (29) and a small dimension coupling (15) between a converter rotor (22) and a pump rotor (26). A drive connection (30) is arranged at the pump rotor on a side turned away from the converter. The pump outlet is guided laterally from the pump housing. The converter rotor is arranged in an inner chamber (46). The booster pump is a vane pump. The coupling is a magnetic coupling.