Dual stage ceramic foam filtration system and method
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United States of America Patent
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Oct 7, 1997
Grant Date -
N/A
app pub date -
Feb 1, 1996
filing date -
Feb 1, 1996
priority date (Note) -
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Abstract
There is provided a dual stage ceramic foam molten metal filtration system and method. Coarse and fine filters are mounted adjacent to one another in a molten metal flow path. A convection preheat apparatus provides preheat for both filters. A vent structure is included to vent air which may be trapped in a gap which is formed between the two filters.
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