The ornamental design for a reflectorconcentrator useful for solar energy, substantially as shown.
FIG. 1 is a view in perspective of a reflector concentrator useful for
solar energy according to my invention, and representing a view of what
may form the front/side, or rear/side, or vice versa, of such reflector
collector, but which for ease of description will be designated as a
front/side view.
FIG. 2 is a plan view of the reflector concentrator of FIG. 1.
FIG. 3 is an end elevation view of the reflector concentrator of FIG. 1,
according to the illustrative convention adopted for FIG. 1.
FIGS. 4 and 5 are opposite side elevation views of the reflector
concentrator of FIG. 1.