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Monolithic ceramic gas diffuser for injecting gas into a molten metal bath

  • US 6,199,836 B1
  • Filed: 06/01/1999
  • Issued: 03/13/2001
  • Est. Priority Date: 11/24/1998
  • Status: Expired due to Fees
First Claim
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1. A monolithic, fired ceramic rotary gas diffuser for injecting gas into a molten metal bath, comprising:

  • an elongate shaft having an axial bore passing therethrough; and

    an impeller integrated with one end of said shaft, wherein at least a portion of said impeller has a network of interconnected pores that provides preferential gas flow from said bore through said portion of said impeller to inject gas into the molten metal bath.

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