Patent ID: 6966874
Filing Date: 2005-11-22
Classification: A61K,B01J,B04B,C02F

Abstract:
1. A centrifuge for accepting an input mixture and for separating a light material that is within the mixture from a heavy material that is within the mixture, comprising: a housing having a central member rotatable on an axis of rotation and at least one arm assembly, said at least one arm assembly having, an intermediate tube operably connected to said central member, said intermediate tube located within said outer tube defining a first annular flow path between said outer tube and said intermediate tube; and an inner tube operably connected to said central member, said inner tube located within said intermediate tube defining a second annular flow path between said intermediate tube and said inner tube and a tubular flow path within said inner tube; an input mixture flow path for receiving said input mixture, said input mixture flow path formed in said housing and communicating with one of said first and second annular flow paths; a light material flow path communicating with the other of said first and second annular flow paths; and a heavy material flow path communicating with said tubular flow path.