20140182578 | SOLAR CONCENTRATORS, METHOD OF MANUFACTURING AND USES THEREOF - A solar concentrator comprising at least one rigid parabolic self-supporting solar collector comprising at least one parabolic reflector and at least one heat collector rigidly supported above a reflective surface of the parabolic reflector; and a positioning unit configured for positioning the solar collector into an operation position for reception of solar beams by the parabolic reflector, and into a rest position in which the reflective surface of said parabolic reflector and the heat collector are at least partly under cover of a back surface of the parabolic reflector. | 07-03-2014 |