Patent ID: 8282019
Filing Date: 2012-10-09
Classification: B05B,C23C

Abstract:
1. A cold spray nozzle assembly comprising: a venturi including converging and diverging portions interconnected at a throat; an air supply conduit in communication with the venturi configured to supply a carrier gas to the converging portion; a powder feeder in communication with the venturi configured to supply a powdered material to the venturi; an adjustment member arranged within the venturi and axially movable relative thereto between multiple positions including a desired position, the multiple positions respectively providing multiple different areas including a desired area between the adjustment member and the venturi, desired position providing the desired area; a retention member maintaining the adjustment member in the desired position; wherein the adjustment member includes the powder feeder, the adjustment member providing a passage for supplying the powdered material; wherein the adjustment member includes an end providing the desired area; and wherein the end is tapered.