METHOD AND APPARATUS FOR GENERATING MOTION OF A SERIES OF HOLLOW ELEMENTS IN A FLUID ENVIRONMENT

摘要

A method of generating motion in a second fluid (f2) of a series of hollow elements (12) which are bound to each other in sequence and fillable with a first fluid (f1) lower in density than the second fluid (f2), the two fluids being immiscible, includes the steps of arranging hollow elements (12) to move along an endless guide (9) vertically extending inside a container (1); providing two chambers (C1, C2) positioned at different heights in the container (1), both chambers containing the first fluid (f1) and having an opening downwards which the hollow elements (12) enter and exit; filling the container (1) with the second fluid (f2); causing each of the hollow elements (12) first to open and then close in chambers (C1, C2) establishing a transmission of motion of the series of hollow elements (12) to a power take-off outside the container (1). An apparatus is also described.