Patent ID: 9121590
Filing Date: 2015-09-01
Classification: F21S,F21V

Abstract:
1. A luminaire comprising: a fixture configured to be generally received in a recess of a support surface; a plurality of light engines configured to be disposed within said fixture, said light engines each comprising at least one light source; and a heat flange disposed about a distal end region of said fixture, said heat flange having a hollow, generally frustum shape with a cross-section extending generally radially outwardly beyond said fixture and extending away from said distal end region of said fixture, wherein the hollow, shape provides a flange cavity for housing a driver or other components of the light engines wherein within the flange cavity the driver or other components of the light engines are mounted on a wall of the flange cavity providing an exterior surface of the fixture exposed to convection exterior to said fixture 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 0.4W, wherein W is the fixture half-width.