Patent ID: 9127821
Filing Date: 2015-09-08
Classification: F21S,F21V,F21Y

Abstract:
1. A luminaire for direct installation in a ceiling comprising: a fixture configured to be generally received directly in a recess of a ceiling support surface for direct installation of the luminaire in the ceiling, said fixture defining a cavity having a radius R; a light engine configured to be disposed within said cavity, said light engine comprising at least one light source; and a heat flange disposed about a distal end region of said fixture, said heat flange having multiple fins having a generally conical frustum shape extending generally radially outwardly and downwardly beyond said fixture and extending away from said distal end region of said fixture beyond a bottom surface of the ceiling in a vertical direction and extending outward from the distal end region of said fixture in a horizontal direction, wherein a distal-most end of said heat flange is configured to be disposed a distance D from said support surface when said fixture is received in said recess, said distance D being greater than or equal to 0.4R and the fixture and the heat flange are one integral, single piece of material.