Patent Number: 6,250,881

Title: Molten metal shaft and impeller bearing assembly

Abstract: A molten metal impeller having a base portion including a circumferential notch. The notch having a generally radial wall and a generally axial wall, at least one of the radial or axial walls including a plurality of grooves. A ceramic bearing ring is cemented into the notch.

Inventors: Mordue; George S. (Ravenna, OH), Henderson; Richard S. (Solon, OH)

Assignee: Metaullics Systems Co., L.P.

International Classification: F04D 7/00 (20060101); F04D 7/06 (20060101); F04D 29/04 (20060101); F04D 007/06 ()

Expiration Date: 06/26/2018