ENERGY-SAVING WATER AND AIR LIFT Russian patent published in 1999 - IPC

FIELD: agricultural water supply, fire-fighting and irrigation. SUBSTANCE: rotational water lift has air hood, water lifting tube and water-wheel which sets shaft in rotation by action of incoming flow of water in open course through blades. Shaft is connected to compressor via reduction gear. Pit is made in bottom of open flow to enhance efficiency of action of water and air lift. Water and air tube with injector and filter is positioned in pit. Air from compressor is fed through receiver to injector to form mixture. EFFECT: simplified design, facilitated manufacture and provision for uninterrupted operation of water and air lift without complex attendance with increased efficiency. 2 dwg