DEVICE FOR CLEANING WATER RESERVOIRS AND SAPROPEL EXCAVATION Russian patent published in 1995 - IPC

FIELD: cleaning water reservoirs. SUBSTANCE: sapropel intake and discharge member is made in form of several pipes which are communicated with common airtight chamber. Installed in chamber is shaft of reversible drive on which drums according to the number of suction pipes are mounted. Wound on each drum is hose with its one end. The other end is turned inside out and attached with its unbent edge to edges of respective pipe to form hollow. Hollows are filled with working medium. Suction pipes may be arranged on one or both sides along common chamber. EFFECT: higher efficiency. 2 cl, 2 dwg