Patent ID: 9498805
Filing Date: 2016-11-22
CPC Classification: B08B,B23K,F24F

Claim Text:
1. An extractor system comprising: a base unit comprising a source of a positive pressure gas stream and a negative pressure gas stream; a positive pressure conduit configured to convey a positive pressure gas stream towards a work area; a negative pressure conduit configured to convey a negative pressure gas stream from the work area; and a hood coupled to receive the positive pressure gas stream and to direct the positive pressure gas stream into a region around the work area and to draw airborne components from the work area into the negative pressure gas stream; wherein the base unit comprises at most 5 bends between a location of return of the negative pressure gas stream and a location of exit of the positive pressure gas stream, wherein one of the at most 5 bends comprises a smooth, radiused elbow that delivers the positive pressure gas stream to a manifold, wherein the manifold comprises: