Molten metal shaft and impeller bearing assembly

  • US 6,250,881 B1
  • Filed: 05/22/1996
  • Issued: 06/26/2001
  • Est. Priority Date: 05/22/1996
  • Status: Expired due to Term
First Claim
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1. A molten metal impeller comprised of a base portion having vanes extending therefrom, said base portion including a first generally circular section and a second generally circular section of a reduced diameter positioned generally concentrically to the first and extending therefrom, a circumferential notch being formed by said first and second sections, said notch having a generally radial wall formed by said second section and a generally axial wall formed by said first section, at least one of said radial or axial walls including a plurality of grooves, said grooves containing a temperature resistant adhesive joining a bearing ring to said impeller.

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