PNEUMATIC STOWING MACHINE Russian patent published in 1994 - IPC

FIELD: mining industry. SUBSTANCE: machine comprises loading chamber with vibrating tray and gate chamber, both installed symmetrically to vertical plane and provided with loading and unloading openings and gates, transport and air-supply pipelines, equalizing valves. Each gate chamber has a nozzle and tray, both secured in the lower part of chamber. Nozzle is installed opposite the unloading opening and communicates with valve outlet. Axis of transport pipeline is arranged in vertical plane of symmetry of gate chambers. Plane of unloading openings is inclined towards the axis of transport pipeline at an angle of 45-5 deg. Tray may be lined with antifriction material while nozzle is slotted along lower outline of tray. EFFECT: improved design. 4 cl, 3 dwg