Abstract: The present invention relates to a vacuum conveyor for conveying granulate and/or powdery material, the conveyor comprising: a main body having an upper end and a lower end; a cavity inside the main body, said cavity comprising an opening arranged at the lower end of the main body; a valve arranged at the opening position between an open position allowing a flow of granulate and/or powdery material out from the cavity through said opening and a sealing position sealing said opening; an inlet arranged at the upper end of the main body forming an inlet passage into the cavity; a venturi inside the main body at a position being distinct from the cavity, said venturi comprising an inlet and an outlet; and a suction channel fluidly connecting the throat of the venturi with the interior of the cavity at a position at or above the inlet.

Abstract: The present invention relates to a vacuum conveyor for conveying granulate and/or powdery material, the conveyor comprising: a main body having an upper end and a lower end; a cavity inside the main body, said cavity comprising an opening arranged at the lower end of the main body; a valve arranged at the opening position between an open position allowing a flow of granulate and/or powdery material out from the cavity through said opening and a sealing position sealing said opening; an inlet arranged at the upper end of the main body forming an inlet passage into the cavity; a venturi inside the main body at a position being distinct from the cavity, said venturi comprising an inlet and an outlet; and a suction channel fluidly connecting the throat of the venturi with the interior of the cavity at a position at or above the inlet.