Patent ID: 9440245
Filing Date: 2016-09-13
CPC Classification: B04B

Claim Text:
1. A centrifugal separator comprising: a rotor arranged to be rotatable around a vertical axis of rotation; an inlet chamber formed in the rotor; an inlet pipe extending into the rotor, said inlet pipe having an opening in the inlet chamber for supply of a liquid mixture of components; an inlet arrangement in the inlet chamber, comprising: a set of annular discs coaxial with the rotor and forming passages for liquid between the discs; or a helically shaped element coaxial with the rotor and forming passages for liquid between windings of the helically shaped element; and vanes arranged upstream of the inlet arrangement such as to cause a pre-rotation and pre-acceleration of the liquid mixture, wherein the vanes have an upstream end and a downstream end and the set of annular discs or the helically shaped element is located downstream of the downstream ends of the vanes, and wherein the vanes are located vertically below the set of annular discs or the helically shaped element.