Patent ID: 7410457

Claim:
A separator, comprising: a vertical axis of rotation; a drum having solids discharge openings and a conical centrifugal space; a disc stack located in the conical centrifugal space and including a plurality of conical discs super-imposed on one another, the conical discs having disc bores forming at least one rising channel in the disc stack; a drum; a distributor including a distributor shaft concentrically surrounding a drum axis of the drum, and further including a lower base section which expands radially, and on which lower base section are one or more distributor channels; a diameter of the at least one rising channel inside the disc stack, located above the disc which is the lowest disc in a flow direction, is one or both of a) not constant and b) sloped with respect to the drum axis; and the one or more distributor channels are not radially oriented with respect to the drum axis.