GEAR TO SUPPLY WATER FROM WELL Russian patent published in 1997 - IPC

FIELD: hydraulic engineering, operation of sources of underground water and water intake works, specifically, supply of deep-well water into main lines of city water supply systems. SUBSTANCE: gear to supply water from well has pressure pipe-line and multisectional centrifugal pump with submersible electric motor which shafts are rigidly interjoined and placed into pipe above filter. Lower flange of first section of given gear and upper flange of last section of pump are fitted correspondingly with first and second fixtures of hydraulic sealing. Each fixture is composed of protecting-sealing element positioned between base and mobile holder with provision of nonrigid coupling between them. First fixture of hydraulic sealing is equipped with safety valve of forward action and pressure pipe-line - with tap of pumped water into area of pipe above filter limited by fixtures of hydraulic sealing. EFFECT: increased water inlet capacity which results in reduction of expenditures to drill additional wells. 3 dwg