Monolithic ceramic gas diffuser for injecting gas into a molten metal bath
AssigneeBlasch Precision Ceramics, Inc.
InventorsDonald G. Rexford, David A. Larsen, Earle R. Webster, Jr.
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Abstract
A monolithic, fired ceramic gas diffuser for injecting gas into a molten metal bath, including a first portion, a second portion integrated with the first portion, and a bore passing through the first portion and communicating with the second portion for supplying gas to the second portion, wherein at least the second portion has a network of interconnected pores that provides preferential gas flow from the bore through the second portion to inject gas into the molten metal bath.
Claims9
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.
Dependencies are inferred from the claim text.