DEVICE FOR WATER DELIVERY FROM WELL Russian patent published in 1998 - IPC

FIELD: devices and mechanisms designed for production of underground water and operation of water intakes, in particular, for pumping out of deep-well water to main lines of municipal power supply system. SUBSTANCE: device includes electric pump, pressure pipeline and hydraulic seal appliance including body and inflatable chamber whose hollow is connected with pressure pipeline through the first water way. Device also has the second water way. Body of hydraulic seal appliance is made in the form of lower and upper limiters. Inflatable chamber has nipple and its hollow accommodates hose of rubberized material whose one end is connected via lower limiter with the first water way, while the other end is connected with the second water way via upper limiter. EFFECT: excluded possibility of contamination and deposition of fine sand in hollow of hydraulic seal appliance during operation of the device. 2 dwg