Fluidized powder feed system with pressurized hopper

Fluid sprinkling – spraying – and diffusing – With means fusing solid spray material at discharge means – With supply holder for fusible material

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Details

239654, 239 79, 406 44, 406138, 406146, B65G 5312

Patent

active

052694631

ABSTRACT:
A feed system for flame spray guns is provided that comprises a hopper with a powder storage chamber, a pressurized gas source separated from the powder storage chamber by a gas distributor board, at least one flow line providing fluid communication for the pressurized air and entrained powder between the storage chamber and a flame spray gun, a powder outlet valve on each flow line for controlling the flow of pressurized gas and entrained powder from the storage chamber into the flow line, and a purge line delivering pressurized gas to the flow line downstream of the powder outlet valve for clearing powder from the flow line after the valve is closed.

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