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US 7,547,409 B2Granted
Compact micro-porous media degasser
AssigneePoevair PLC
InventorLeonard S. Aubrey
Life of this patent
Estimating the term…
Abstract
A degasser (10) for molten metal with a microporous plate (11). The microporous has at least one internal passageway (13) and an interface tube (12) attached to the microporous plate in flow communication with the internal passageway.
Claims28
A degasser for molten metal comprising:
- a microporous plate comprising at least one internal passageway and an interface tube capable of removing gas from said internal passageway attached to said microporous plate in flow communication with said internal passageway and further comprising a vacuum pump attached to said interface tube.
A degasser for molten metal comprising:
- a microporous plate comprising at least one internal passageway and an interface tube attached to said microporous plate in flow communication with said internal passageway wherein said passageway comprises passages wherein said passages have an equivalent diameter of at least about 5 mm to no more than about 7.5 mm.
A degasser for molten metal comprising:
- a microporous plate comprising at least one internal passageway and an interface tube attached to said microporous plate in flow communication with said internal passageway wherein said microporous plate comprises passages and wherein said passages are separated by a distance between about 0.5 to 10 times an equivalent diameter of said passage.
Dependencies are inferred from the claim text.