Patent ID: 7748951

Claim:
A bearing housing seal system for a centrifugal pump of the type having a pump casing, an impeller mounted within the pump casing and connected to a rotating shaft supported by a plurality of roller bearing elements, the rotating shaft having a diameter, a bearing housing for the roller bearing elements, the bearing housing spaced apart from the pump casing along the rotating shaft and having an outer casing and cylindrical entry for the passage of the rotating shaft therethrough, and isolating the roller bearing elements and a lubricant for the roller bearing elements therein, the bearing housing seal system comprising: (a) an outer stationary cover configured for attachment about the cylindrical entry of the outer casing of the bearing housing, the outer stationary cover having: (i) a cylindrical opening therethrough conforming substantially to the diameter of the rotating shaft which projects therethrough; (ii) a raised portion extending outwardly from the bearing housing and defining an inner volume about the rotating shaft; (b) a flinger conforming substantially to and positioned within the inner volume of the stationary cover, the flinger having: (i) an outer face and an inner face; (ii) at least one set of vanes formed on at least one of the outer face and the inner face; and (iii) wherein the flinger is attached to the rotating shaft for rotational movement with the shaft.