Sealed impeller for producing metal foam and system and...

Details Sealed impeller for producing metal foam and system and... Sealed impeller for producing metal foam and system and...

B - Operations, Transporting

01

F

B01F 3/04 (2006.01) B01F 7/16 (2006.01) B22D 25/00 (2006.01) B01F 15/00 (2006.01)

Patent

CA 2477121

A system for producing a metal foam comprises a bath containing a molten metal, a rotating shaft or impeller extending through the base of the bath into, and submerged in the molten metal, and a gas discharge nozzle provided on the submerged end of the shaft. The opposite end of the shaft is connected to a gas supply line and the shaft is rotated with a motor. A seal is provided at the opening in the base of the bath for preventing leakage of the molten metal there-through.

Ce système permettant de fabriquer une mousse métallique, comporte un bain contenant du métal en fusion, une tige rotative ou turbine partant de la base du bain, plongeant dans celui-ci et immergée dans le métal en fusion, et une tuyère, destinée à évacuer les gaz, placée à l'extrémité immergée de la tige. L'autre extrémité de la tige est reliée à une alimentation en gaz et la tige est mise en rotation par un moteur. Un joint d'étanchéité se trouve à la hauteur d'une ouverture ménagée dans la base du bain, afin d'éviter toute fuite du métal en fusion.

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