The invention provides an electric fireplace flame simulator having a light source mounted within a rotatable hollow cylinder, the cylinder having flanged perforations that disperse heat from the light source and through which is projected a simulacrum of flames upon the cylinder being rotated about...http://www.google.com/patents/US20030049024?utm_source=gb-gplus-sharePatent US20030049024 - Electric fireplace perforated light-emitting rotator flame simulator
