CPC F21V 29/777 (2015.01) [F21K 9/235 (2016.08); F21V 29/83 (2015.01); F21Y 2115/10 (2016.08)] | 11 Claims |
1. A heat sink for a luminaire comprising:
a central portion having a top surface and a bottom surface, the bottom surface being adapted to receive a lighting arrangement;
a plurality of arms configured to dissipate heat generated by the lighting arrangement, the plurality of arms extending radially outward from the central portion, each one of the plurality of arms being substantially arcuate between a proximal end and a distal end;
where at least one of the plurality of arms is hollow and defines an interior space that extends between the proximal end and the distal end;
wherein at least one vent is provided on the hollow arm, the at least one vent being in fluid communication with the interior space; and
wherein the hollow arm includes a first side surface and a second side surface, and wherein the at least one vent includes a first vent and a second vent, the first vent being circular and provided on the first side surface toward the proximal end of the arm, the second vent being stadium-shaped and provided on the first side surface toward the distal end of the arm.
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