SELF-OPERATING PUMP Russian patent published in 2002 - IPC

FIELD: water lifts, type airlift actuated by solar energy. SUBSTANCE: pump includes several liquid tubes of airlift and hose, rigid reservoir, elastic reservoir and condenser partially filled with define amount of low-boiling liquid. Lower ends of liquid tubes of airlift are provided with air distributor made in form of perforated piston which is connected with lower end of air pipe line of airlift and with lower ends of liquid tubes. Upper ends of tubes and air pipe line of airlift are tightly connected with bottom of receiver which is made in form of cylinder provided with chute; it is mounted together with airlift on butt surface of casing pipe pf well or support above pit. Fitted between chute of receiver and shower head are cycle frequency regulator and funnel connected with shower head. Outlet branch pipe of rigid reservoir is provided with air lock frequency regulator. EFFECT: enhanced efficiency. 3 cl, 1 dwg