VISCOUS PRODUCT PUMPING DEVICE Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: block-and-tackle system is used for balancing a pump and a flexible pressure pipeline. The pump has a funnel-shaped casing expanding down with a low inlet hole and a conical endless screw mounted in cantilever on remote bearings. The end of lower coil at the larger base of the cone is made in the form of a sharpened blade. The endless screw upper part is kinematically connected to a drive fastened outside the casing. EFFECT: improved structure. 5 cl, 2 dwg