DEVICE FOR WASHING-OUT BOTTOM DEPOSITS IN RESERVOIR CONTAINING OIL OR PETROLEUM PRODUCTS Russian patent published in 2004 - IPC

FIELD: devices for washing-out bottom deposits in vertical reservoirs containing oil and petroleum products; mixing oil and petroleum products for avoidance of forming of deposits; oil industry. SUBSTANCE: proposed device has body and unit for connecting this device to reservoir, shaft whose one end is connected with engine by means of transmission and other end provided with propeller enters reservoir; device includes also supporting members and shaft sealing members. Device may perform automatic angular turn of shaft in horizontal plane. To this end, it is provided with reduction gear whose input member is connected with shaft and outer member is fixed against rotation around shaft axis; output member is provided with bearing support mounted at angle relative to shaft axis equal to maximum angle of turn of shaft in horizontal plane; pin projecting from outer race passes through slot in body. Device may be also provided with outer member of reduction gear which may be locked in any position relative to shaft axis. EFFECT: continuous action of bottom deposits. 2 cl, 2 dwg