Purifier

Claim 1

A CENTRIFUGAL PURIFIER FOR REMOVING ENTRAINED CONTAMINANTS LARGER THAN A PREDETERMINED SIZE FROM A FLUID IN A FLUID SYSTEM COMPRISING MEANS DEFINING A FLUID CAVITY, FLUID INLET MEANS AND FLUID OUTLET MEANS IN COMMUNICATION WITH SAID FLUID CAVITY, A ROTATING IMPELLER SUPPORTED WITHIN SAID CAVITY FOR IMPARTING A CENTRIFUGAL FORCE TO THE FLUID AND ENTRAINED CONTAMINANTS THEREIN, A CONTAMINANT REPOSITORY, SAID CONTAMINANT REPOSITORY BEING DEFINED AT LEAST IN PART BY A MEMBER HAVING ENLARGED OPENINGS FOR PROVIDING FOR FLUID COMMUNICATION BETWEEN SAID CAVITY AND SAID CONTAMINANT REPOSITORY FOR PASSAGE OF ENTRAINED CONTAMINANTS FROM SAID CAVITY TO SAID CONTAMINANT REPOSITORY UNDER THE INFLUENCE OF THE CENTRIFUGAL FORCE GENERATED BY SAID IM PELLER, AND A PERFORATE MEMBER HAVING A PLURALITY OF FINELY SPACED OPENINGS EXTENDING ADJACENT AND ACROSS THE OPENINGS IN SAID FIRST MENTIONED MEMBER AND WITHIN SAID CAVITY FOR PRECLUDING THE RE-ENTRY OF THE CONTAMINANTS TO THE FLUID SYSTEM UPON THE CESSATION OF ROTATION OF SAID IMPELLER, SAID OPENINGS IN SAID PERFORATE MEMBER BEING SIZED TO EXCLUDE PARTICLES GREATER THAN SAID PREDETERMINED SIZE, SAID PERFORATE MEMBER BEING POSITIONED BETWEEN SAID FLUID INLET MEANS AND SAID FLUID OUTLET MEANS WHEREBY AT LEAST A PORTION OF THE FLUID FLOWING THROUGH SAID CAVITY PASSES THROUGH SAID PERFORATE MEMBER.