DEVICE FOR CLEANING OF WATER RESERVOIRS AND EXCAVATION OF MUDDY GROUNDS Russian patent published in 1995 - IPC

FIELD: cleaning of water reservoirs. SUBSTANCE: device intake working member has body with working chambers, suction holes 10 and discharge holes 12 with valves, and conveying mechanism. Working chamber are communicated with each other by connecting pipe 1. Conveying mechanism is made of wire rope 7 connected with driving pulleys 8 and 9 cylindrical rings 2 and 5 and 6 which are arranged in working chambers and connecting pipe 1 and installed on wire rope 7 for combined motion. When cylindrical rings 5 and 6 are moved, rarefaction is created to suck sapropel. EFFECT: higher efficiency. 3 cl, 2 dwg