Patent ID: 9145597
Filing Date: 2015-09-29
Classification: B22D,C22B,Y02P

Abstract:
1. A Multi-Mode Gas Activation degassing apparatus for removing dissolved gasses from liquid metal, the apparatus comprising: an inlet chamber configured to contain a volume of liquid metal, the inlet chamber that receives liquid metal from a source of liquid metal; an outlet chamber in fluid communication with the inlet chamber, wherein the outlet chamber outputs degassed liquid metal; a flow control system that controls a flow of the liquid metal into and out of the inlet and outlet chambers; a vacuum source that creates at least a partial vacuum in one or more of the inlet and outlet chambers; one or more ultrasonic probes placed inside the inlet chamber in a location which may be below a fluid level of the inlet chamber when the apparatus is in use; and a high-frequency vibrator configured to make a surface vibrate at a high frequency, the surface placed such that fluid must flow over the surface to transit between the inlet chamber and the outlet chamber of the apparatus.