Patent ID: 7252805

Claim:
A device for vaporising and diffusing oils comprising: a container made of heat-conducting material and consisting of a wall having inside and outside surfaces, the inside surface defining a cavity to receive a radiant heat source, a reservoir suitable for containing a fragrant oil or insecticide oil, and a porous rod that communicates with the reservoir and the outside surface of the container wall thereby to carry oil from the reservoir to the outside surface, the porous rod being a wick that has a portion that has the form of a cylinder having inner and outer curved sides and being closed at one end, from which closed end depends coaxially with and away from the cylinder, a solid cylindrical rod adapted to contact the oil; and at least part of the container has the form of a cylinder that is adapted to hold a heat source and that is configured so as to be nestable within the wick cylinder and in heat-conducting contact therewith.