US 12,454,738 B2
Degassing launder
Sylvain Tremblay, Quebec (CA); Michael Klepacki, Newtown, CT (US); Ryan Moran, Bloomingburg, NY (US); and Michael Balthazor, Homer, NY (US)
Assigned to PYROTEK, INC., Spokane, WA (US)
Appl. No. 17/611,442
Filed by PYROTEK, INC., Spokane, WA (US)
PCT Filed May 13, 2020, PCT No. PCT/US2020/032720
§ 371(c)(1), (2) Date Nov. 15, 2021,
PCT Pub. No. WO2020/232152, PCT Pub. Date Nov. 19, 2020.
Claims priority of provisional application 62/847,415, filed on May 14, 2019.
Prior Publication US 2023/0212711 A1, Jul. 6, 2023
Int. Cl. C22B 9/02 (2006.01); C22B 21/06 (2006.01)
CPC C22B 9/02 (2013.01) [C22B 21/06 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A degassing launder comprising a launder including a plurality of partition plates configured to partially block a flow of molten metal in the launder, two adjacent partition plates and a floor and two side walls of the launder forming a degassing chamber, a lower portion of each partition plate being provided with at least one passage through which the molten aluminum flows, wherein the floor of the degassing chamber is provided with a dome shape projection positioned below a rotor, and wherein said rotor has a circumference and wherein a circumference of the dome is greater than the circumference of the rotor.