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

FIELD: cleaning of water reservoirs. SUBSTANCE: drive of intake member and means for its motion are made in form of airtight chamber. Chamber is communicated with system supplying working medium. Installed in chamber is drum with drive and rope. One end of rope is connected with end of flexible hose. The other end of hose is turned inside out over edges and attached to hole of airtight chamber. Piston rod of intake member interacts with hose. Secured to hose are bands passed over rollers and attached to intake member body. EFFECT: higher efficiency. 1 dwg