PUMP PLANT Russian patent published in 1995 - IPC

FIELD: pumping fluids. SUBSTANCE: one end of the working member made up as a spiral passageway is open. The other end is tightly coupled with the pressure branch pipe. The passageway and branch pipe are mounted for permitting rotation about the longitudinal axis of the working member. The pumps are provided with a fluid collector connected with the pressure branch pipe having branch pipe for connection of the lifting pipe line and compressed air consumers. The driving unit of the second pump is made as an air-operated motor coupled with the branch pipe of compressed air consumer of the fluid collector of the first pump. The driving unit of the first pump is constructed as a wind wheel. EFFECT: enhanced efficiency. 5 cl, 6 dwg