FLOATING GROUND-INTAKE DEVICE FOR UNDERWATER MINING OF BOTTOM SEDIMENTS OF SILT SUBSTANCE Russian patent published in 1994 - IPC

FIELD: equipment for excavating work. SUBSTANCE: floating base comprised of two interconnected pontoons has closed auger mounted on shaft of motor located on base. Auger is made with loading and discharging openings and connected with pressure pipe branch of gear pump. Gear pair of pump is connected by means of gearbox to motor shaft. Installed before pump suction inlet is accumulating reservoir made with vertical walls, bottom and plate with transducer. Accumulating reservoir bottom is made in form of ski-like trough installed under pump body and articulated to it. Auger and motor are installed on floating base for turning in vertical plane. EFFECT: higher efficiency. 3 dwg