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

FIELD: cleaning of water reservoirs. SUBSTANCE: intake member is made in form of conical hose. Hose is communicated with the system of supply and withdrawal of compressed air. One end of hose is secured to airtight chamber. Secured to hose other end with its base is conical branch pipe carrying conical tore. Flexible link is attached to branch pipe. Link is passed through conical tore and hose and connected with respective drive. Branch pipe walls have holes. EFFECT: higher efficiency. 1 dwg