Patent ID: 8018080

Claim:
A hydroelectric device, for the production of electricity in an aquatic environment of the type with currents, comprising: a frame supporting a rotating member having a plurality of bearing surfaces responsive to said current to generate a rotation of said rotating member; an electromechanical device to produce an electrical current from said rotation of said rotating member; and a device for adjusting the position of said rotating member with reference to the surface of the aquatic environment, wherein: said frame comprises an upper portion supporting said rotating member and a lower portion; said adjustment device comprises a tank having a variable opening positionable under the surface of the aquatic environment for modifying the water filling rate of said tank, said tank being borne by said upper portion of said frame; and said upper portion being connected to said lower portion so as to translate, so as to form a telescopic assembly a length of which varies as a function of said water filling rate of said tank.