FREE-VORTEX PUMP FOR HYDRAULIC MIXTURES Russian patent published in 1995 - IPC

FIELD: pumping. SUBSTANCE: vortex chamber and hollow having cylindrical side are opposite inside the housing. The working wheel with the hub is received in the hollow to define a ring space. The wheel has conical disk with centrifugal blades from the side of the hollow and centrifugal passages between the centrifugal blades, the blades being connected with the hub. The central region of the vortex chamber is in communication with the inlets of the centrifugal passages through the central space of the wheel. The disk has vortex blades from the side of the chamber and vortex passages between the blades. The centrifugal and vortex passages are open at the periphery and coupled with radial ring space. The central region of the chamber is in communication with the inlets of centrifugal passages through openings made in the disks. The centrifugal and vortex blades are made up as corrugations of conical disk. EFFECT: enhanced efficiency. 2 dwg