Patent ID: 6391093
Filing Date: 2002-05-21
Classification: B01D,B23K

Abstract:
A welding filtration system comprising:a welding chamber having an air vent and an evacuation vent; a sealed filter tank having liquid contained therein; a first evacuating duct connecting said evacuation vent of said welding chamber to said sealed liquid filter tank, said first evacuating duct having an outlet submersed in said liquid and substantially below a liquid line of said filter tank; a second evacuating duct connecting said sealed tank to a vacuum source, said second evacuating duct having an inlet connected to said sealed filter tank and positioned above said liquid line, said vacuum source being provided to draw evacuants from said welding chamber through said first and second connecting ducts and through said liquid, said liquid being provided to cool said evacuants and trap at least a portion thereof within said sealed filter tank; and, a throttle plate disposed between said filter tank and said welding chamber, said throttle plate being provided to regulate a velocity of said evacuants emerging from said welding chamber.