Conveyors: fluid current – Fluid current conveyor outlet means – Conveyor having plural outlets
Reexamination Certificate
2007-01-12
2008-08-05
Hess, Douglas A (Department: 3651)
Conveyors: fluid current
Fluid current conveyor outlet means
Conveyor having plural outlets
C406S089000, C406S155000
Reexamination Certificate
active
07407345
ABSTRACT:
A method and a system distribute fluidizable materials from a reservoir of materials to one or more material receiving units. The distribution system has at least two hydraulic levels between the reservoir and the material receiving units. The system further includes a fluidizing element with good dynamic response properties. The system can be used for distribution of alumina and/or fluoride to feeding equipment in electrolysis cells with a reduced consumption of fluidizing gas.
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Dalen Kjell Magne
Karlsen Morten
Nagell Bernt
Hess Douglas A
NorskHydro ASA
Wenderoth , Lind & Ponack, L.L.P.
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