Method and system for converting kinetic energy contained in...

F - Mech Eng,Light,Heat,Weapons – 03 – D

Patent

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F03D 5/04 (2006.01) F03D 5/06 (2006.01)

Patent

CA 2717876

In a method for converting kinetic energy contained in naturally occurring horizontal flows occurring in fluids accumulated above ground into useful mechanical energy, in which at least one circulating element guided in a closed cycle (U), arranged substantially horizontal above the ground is provided, to which at least one buoyancy body (6) having a cross-section of impact for the flow is attached by means of at least one guy rope or by means of a backstay chain, wherein in a section of the closed cycle (U), in which a propulsive power aligned in a direction of circulation acts on the buoyancy body (6) via the flow impacting on the cross-section of impact, the distance between the circulating element and the buoyancy body (6) is set greater than in a section of the closed cycle (U), in which via the flow impacting on the cross- section of impact no propulsive power aligned in the direction of circulation acts on the buoyancy body (6), further optimizing is carried out in that the buoyancy body (6) is set during the cycle in its alignment to the flow such that with a flow acting transversely to the temporary direction of circulation of the circulating element it also experiences a force component acting in the direction of circulation and transfers to the circulating element (1) via the at least one guy rope. The angle range of circulation, inside which the flow energy can be made useful, is thus increased. An improved system for converting kinetic energy contained in naturally occurring horizontal flows occurring in fluids accumulated above ground into useful mechanical energy is specified.

L'invention concerne un procédé de transformation de l'énergie cinétique contenue à l'état naturel dans des courants horizontaux se présentant dans des fluides accumulés au-dessus d'un sol, en énergie mécanique utilisable, procédé selon lequel il est prévu au moins un élément de circulation, guidé dans un cycle fermé (U), disposé sensiblement horizontalement au-dessus du sol, auquel au moins un corps flottant (6) présentant une section transversale d'impact pour le courant, est fixé au moyen d'au moins un câble de retenue, ou au moyen d'une chaîne de retenue. L'invention est caractérisée en ce que dans une section du cycle fermé (U), dans laquelle une force de propulsion alignée en direction de la circulation agit sur le corps flottant (6), via le courant agissant sur la section transversale d'impact, la distance entre l'élément de circulation et le corps flottant (6) est réglée plus grande que dans une section du cycle fermé (U), et en ce que via le courant agissant sur la section d'impact transversale, aucune force de propulsion exercée dans le sens de la circulation agit sur le corps flottant (6), une autre optimisation étant établie, de telle façon que le corps flottant (6) soit réglé durant le cycle dans son alignement avec le courant, de sorte que lorsqu'un courant agit transversalement au sens temporaire de circulation de l'élément de circulation, une composante de force agit en direction de la circulation et est transférée audit élément de circulation (1) via au moins le câble de retenue. La zone angulaire de circulation à l'intérieur de laquelle l'énergie de circulation est utilisable se trouve ainsi accrue. L'invention concerne en outre un système perfectionné de transformation de l'énergie cinétique contenue à l'état naturel dans des courants horizontaux se présentant dans des fluides accumulés au-dessus d'un sol, en énergie mécanique utilisable.

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