Patent ID: 8137076
Filing Date: 2012-03-20
Classification: F04F

Abstract:
1. A method for raising liquid from a pond, the method comprising: providing a distribution device connected between a pressurised gas generator and an air-tight reservoir; providing a venting pipe and a rising pipe connected between the distribution device and a feeding pipe, which feeding pipe extends from the pond and comprises a check valve; providing a first and a second connection pipe, each for connecting the distribution device to the reservoir; and providing a buoyant interface member, initially situated in the venting pipe and movable between the venting pipe and the rising pipe and the distribution device; wherein the method further comprises a first phase in which the distribution device operates at a first operating position, wherein the reservoir, the rising pipe and the venting pipe are in a first configuration separately connected to the distribution device, which first configuration allows evacuation of air from within the reservoir, the venting pipe and the rising pipe, enabling suction of a liquid amount from the pond, through the feeding pipe and into the venting pipe and the rising pipe; a second phase in which the distribution device operates at a second operating position, wherein the reservoir is connected to the rising pipe and the venting pipe is connected to the pressurised gas generator in a second configuration, which second configuration allows the pressurised gas generator to supply pressurised gas into the venting pipe; a third phase in which the pressurised gas entering the venting pipe pushes the interface member into the rising pipe, the interface member pushing a portion of the liquid amount toward the reservoir through the second connection pipe; and; a fourth phase in which the portion of the liquid amount enters the reservoir, the distribution device returns to the first operating position, and the interface member returns to the venting pipe.