Patent ID: 7967991

Claim:
A separator for separating the components of a fluid medium, the separator comprising: a cylindrical separator chamber rotatably mounted about an axis; and an impeller coaxially mounted with the cylindrical separator chamber, the impeller and cylindrical chamber being driven in rotation about said axis, wherein the impeller comprises: a core having a portion of diameter substantially equal to or greater than an inner diameter of the separator chamber; an inlet for receiving a substantially axial flow of fluid; an outlet for injecting the fluid into the separator chamber, said outlet having a substantially cylindrical shape and a diameter substantially equal to the inner diameter of the separator chamber; and a plurality of guide channels formed between the inlet and the outlet of the impeller at a periphery of the core, the guide channels being at least in said portion of the core, substantially rectilinear and parallel to the axis of the separator chamber, wherein the substantially rectilinear guide channels extend from said portion to the outlet of the impeller.