WATER SUPPLY STATION Russian patent published in 2003 - IPC

FIELD: water supply facilities. SUBSTANCE: invention relates to pumping stations providing delivery of water to cottages and other buildings. Proposed water supply station contains reservoir with pressure gauge, pump, valves and suction and delivery pipelines. Branch pipe is placed in pump rarefaction zone. One end of said branch pipe is in zone of rarefaction being fitted into contraction-ejector along axis of impeller of centrifugal pump and diffuser, and other end communicates with outer surface of pump. Branch pipe passage area is adjustable. Branch pipe is installed for longitudinal displacement, and reservoir is furnished with air pressure and water level transmitters providing cutting in and out of valves and ;pump at preset parameters. EFFECT: simplified design of station, improved its operating characteristics. 5 cl, 2 dwg