Heat and energy accumulator

Claim 1

A HEAT ACCUMULATOR FOR COLLECTING SOLAR ENERGY IN WATER, WHICH COMPRISES A SMALL ALUMINUM PAN SET INSIDE A LARGE ALUMINUM PAN; SAID SMALL PAN CONTAINING THE WATER TO BE HEATED BY THE SUN, AND THE LARGE PAN BEING EMPTY SO AS TO FORM AN AIR GAP AROUND THE SMALL PAN; BOTH ALUMINUM PANS BEING COMPRISED OF A BASE AND SIDE WALLS, AND ENCLOSED RESPECTIVELY BY GLASS COVERS MOUNTED ON THE TOP OF SAID SIDE WALLS; SAID ALUMINUM CONTAINING ALLOYS SUCH AS SILICONES AND MANGANESE WHICH WILL MAKE THE INSIDE OF THE ALUMINUM PANS TURN BLACK WHEN OXIDIZED IN THE PRESENCE OF WATER AND SUNLIGHT; SAID LARGE PAN BEING COMPLETELY INSULATED AROUND THE BASE AND SIDE WALLS BY POLYURETHANE RESIN INSULATION MATERIAL WHICH IS MOLDED INTEGRALLY AROUND IT, AND WHICH HAS A SHOULDER COMPLETELY AROUND THE UPPER PORTION SO THAT SAID GLASS COVER FOR THE LARGER PAN CAN BE PRESSED INTO IT; MEANS FOR INTRODUCING WATER INTO THE SMALL PAN, AND MEANS FOR REMOVING HEATED WATER FROM THE SMALL PAN, AND MEANS ASSEMBLY BEING ARRANGED SO THAT THE GLASS COVERS SLANT TOWARD THE APPROXIMATE ANGLE OF THE SUN.