Patent ID: 9382078
Filing Date: 2016-07-05
CPC Classification: B05B,B08B,B65G,Y02P

Claim Text:
1. A powder supplying device for a powder coating installation, the powder supplying device comprising: at least one closed or closable powder container, which has a substantially cuboidal powder chamber for coating powder, wherein at least one cleaning compressed-air inlet to which a compressed air source can be connected in a cleaning operation of the powder coating installation for removing residual powder from the powder chamber, in order to introduce cleaning compressed air into the powder chamber, is provided in a side wall of the powder container, and wherein at least one residual powder outlet is provided, through which residual powder can be driven out from the powder chamber with the aid of the cleaning compressed air introduced into the powder chamber, the at least one cleaning compressed-air inlet having an inlet opening and the at least one residual powder outlet having an outlet opening, the outlet opening of the residual powder outlet pointing in the same direction as the inlet opening of the at least one cleaning compressed-air inlet, and at least one of: (i) the powder container having at least one powder inlet with an inlet opening for feeding coating powder as and when required into the powder chamber during the powder coating operation of the powder coating installation and the inlet opening of the at least one cleaning compressed-air inlet being provided in a lower region of the side wall of the powder container and the inlet opening of the at least one powder inlet being provided in a cover of the powder container or in the side wall of the powder container; (ii) the powder container having at least one powder inlet with an inlet opening for feeding coating powder as and when required into the powder chamber during the powder coating operation of the powder coating installation and the inlet opening of the at least one cleaning compressed-air inlet being identical to the inlet opening of the at least one powder inlet; or (iii) the powder supplying device including at least one powder outlet, which can be opened with the aid of a pinch valve in order to remove coating powder from the powder chamber as and when required, by gravitational force, being provided in a bottom wall of the powder container.