DEVICE FOR AIR-ACTUATED TRANSPORTING OF LOOSE MATERIALS Russian patent published in 1997 - IPC

FIELD: transporting devices. SUBSTANCE: device has vane rotor 1 mounted on the axle inside a housing and inlet and outlet branch pipes. The inlet branch pipe smoothly goes into the spiral inlet passageway arranged along the end face wall and connected with inlet opening 5 of the housing. Outlet opening 8 of the housing is connected with inclined adapter 9 that smoothly goes into the spiral outlet passageway arranged on the end face wall as well. The passageway embraces inlet passageway 4 and then goes into the outlet branch pipe. The inlet and outlet passageways have a common wall. EFFECT: enhanced efficiency. 2 cl, 4 dwg