Powder supplying device for a powder coating installation

Powder supplying device for a powder coating installation with 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
• in that furthermore 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.