METHOD FOR REDUCING NOISE AND CAVITATION IN MACHINES AND PRESSURE EXCHANGERS WHICH PRESSURIZE OR DEPRESSURIZE FLUIDS BY MEANS OF THE DISPLACEMENT PRINCIPLE

摘要

A method for reducing noise and cavitation in machines and pressure exchangers which pressurize or depressurize fluids by means of the displacement principle, wherein at least one of the pressure exchanger's end covers is equipped with connecting channels (14, 17, 18) which substantially increase the inlet and outlet of flow medium in the rotor channels (15, 16) during residence in the depressurization zone (3) or the pressurization zone (4). The method comprises different embodiments such as, for example, a direct channel connection (14) between channel (16) and opposite channel (15).