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

FIELD: cleaning of water reservoirs. SUBSTANCE: coaxially installed in airtight chamber is tore with magnetic motor, whose magnetic members are located in tore shell and cover plates on its side. Rod is passed through tore. Magnetic motor may be made with magnetic members arranged in tore shell, and cover plate are arranged on chamber inner walls. EFFECT: higher efficiency. 3 cl, 2 dwg