Patent ID: 8333165

Claim:
A powder spray-coating control system for driving powder spray-coating units, each spray-coating unit containing a powder pump and a powder spray tool, the spray-coating units including a first powder spray-coating unit which contains an injector as the powder pump and a second powder spray-coating unit which contains a dense phase powder pump as the powder pump, said powder spray-coating control system comprising: a controller programmed to alternatingly operate the first powder spray-coating unit and the second powder spray-coating unit, the controller being switchable to either of the first and second powder spray-coating units; a powder adjusting element configured to adjust a set-point of a powder rate to be delivered, by means of compressed conveying air, from the powder pump of the powder spray-coating unit being operated by the controller to the corresponding powder spray tool, the controller being configured to calculate a rate of the compressed conveying air as a function of the set point of the powder adjusting element; an electric power input configured to feed electric power to the control system; and a compressed air intake.