Patent ID: 6789715
Filing Date: 2004-09-14
Classification: B65G

Abstract:
In a pneumatic conveying system for flexible fabric items that are to be laundered, the combination of:a main conduit having an inlet for receiving said items and an outlet for discharging said items, said main conduit providing a flow path from said inlet to said outlet and including a substantially straight conduit section; a venturi having an angled pipe joining said conduit section at an acute angle and a restriction in said main conduit situated in proximity to a location at which said angled pipe joins said conduit section; a blower having a suction side and a discharge side for forcing air from said discharge side through said angled pipe into said main conduit to effect a low pressure area adjacent said restriction to draw said items through the main conduit; a vent in said conduit between said restriction and said outlet; and a return conduit extending from said vent to said suction side of the blower.