Manual or automatic rotary pressure system with flared shafts for transferring products (liquids, powders, granulates, concretes, etc.) by means of air propulsion

摘要

Two chambers No. 4 and No. 23 oriented in the same direction, fixed and superposed, inside which are respective flared (trumpet-shaped) shafts No. 11 and No. 19 serving to open and close the two chambers. The chambers and the shafts include one (01) orifice for admitting the product, the shafts are held in their seat by the springs No. 9 and they are mutually wedged so that if one of the two chambers is open, the other is closed and vice versa. Product is admitted when the first chamber is open and the second is closed. (The product descends into the first chamber under gravity.) Pressure is created when the first chamber is closed and the second chamber is open. The pressure phase is followed by a reduction in pressure (vacuum) in the first chamber. There is one intake phase and one pressure phase for each shaft revolution. Each chamber is opened through an angle of 140 DEG . Air is taken in through an angle of 120 DEG . <IMAGE>