Abstract: Apparatus for continuously separating relatively coarse particles from a suspension of a mixture of particles in a liquid, wherein the suspension is caused to pass through a screening medium which is rotating in its own plane and wherein the screening medium extends over and across the upper end of a rotary drum having generally downwardly depending side walls and wherein the side walls diverge outwardly in a downward direction.

Abstract: A self-cleaning scroll and screen centrifuge for processing a combined liquid and solid material to separate the solid material from the liquid. The centrifuge is designed for use in the food processing industry and therefore has fluid injectors for cleaning all surfaces within the centrifuge including opposed mating surfaces which function as noncontacting seal mechanisms.

Abstract: A centrifuge for separating liquids, e.g., oil from water. The centrifuge basically comprises a housing having first and second cavities, and a liquid conveying wall disposed over a bowl arranged to be rotated about a central axis. The bowl includes an annular top wall having an annular separator plate including a central hub mounted below the top wall. The separator plate is spaced from the bowl to enable the second liquid to flow therebetween and into the space between it and the top wall. The hub has plural radial passageways in communication with the space between the separator plate and the top wall and also with the space between the top wall and the liquid conveying wall. The hub also has plural axial passageways communicating with the interior of the bowl and located at the interface of the two liquids formed when the bowl is rotated. Each axial passageways has an outlet in communication with the liquid conveying wall.