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US 8,262,255 B1Granted
Small sized LED lighting luminaire having replaceable operating components and arcuate fins to provide improved heat dissipation
OwnerHamid Rashidiinventor
Life of this patent
Estimating the term…
Abstract
A small sized recessed LED lighting luminaire having detachable and replaceable components to enable one failed component to be replaced while the remainder of the luminaire is used and not discarded. The LED lighting luminaire includes a detachable unit comprising transverse arcuate longitudinal heat dissipation fins for effectively dissipating heat, and a reflector having interior transverse circular baffles for aesthetically transmitting light.
Claims39
A luminaire comprising:
- a. detachable and replaceable components including a heat dissipation assembly comprised of a lower and upper detachable heat dissipating means with transverse arcuate longitudinal heat dissipation fins for effectively dissipating heat generated from an LED source of illumination;
- b. the detachable lower heat dissipating apparatus having a hollow light reflector attached thereto, the lower heat dissipating apparatus having a shape of a hollow cylinder including a body which has a central opening, a top transverse ring surface connected to an exterior cylindrical surface, a transverse round recessed plate concentrically positioned relative to the transverse ring surface on its exterior circumference and also surrounding an interior recessed plate which has an interior circumference 1 which surrounds the central opening, formed into the exterior surface of the cylindrical body are a multiplicity of spaced apart transversely extending arcuate longitudinal fins which extend outwardly away from the exterior surface, and also extend downwardly and are affixed to the exterior surface of the reflector, so that the lower heat dissipating apparatus and reflector are formed as an integrated member, each longitudinal fin further extends in a transverse arc away from the exterior surface and from the ring surface with a continuous incremental angle to form each respective longitudinal end side, so that the fins are arcuately oriented with respect to exterior surface and top transverse ring surface, each transversely extending arcuately longitudinal fin is separated from an adjacent identical fin by an air gap;
- c. the upper heat dissipating apparatus also has the shape of a hollow cylinder, including a body having an exterior cylindrical surface and a transverse round top surface, the body is downwardly and concentrically connected to a bottom round plate having a bottom surface and an exterior circumference so that the exterior surface of the body connects to a top surface of the bottom round plate wherein a diameter of the cylindrical body is smaller than that of the bottom round plate, a central longitudinal opening through respective centers of the respective body and bottom round plate, formed into the exterior surface of the cylindrical body are a multiplicity of spaced apart arcuate longitudinal fins which respectively extend outwardly away from the exterior surface of the body to respective exterior end sides which circumferentially and downwardly connect to the exterior circumference of the bottom plate, the exterior or end sides of the respective arcuate fins are aligned with the outer circumference of the bottom round plate so that each identical longitudinal fin is aligned at its top side with the top surface of the body, and at its bottom side is connected to the bottom plate, each longitudinal fin further extends in a transverse arc away from the exterior surface and from the top surface with a continuous incremental angle to form each respective longitudinal end side so that the fins are arcuately oriented with respect to exterior surface and top surface each transversely arcuately longitudinal fin is separated from an adjacent identical fin by an air gap;
- d. an LED chip having connecting openings, a thermal conductive grease is positioned on an interior side of the LED chip, the LED chip affixed to the bottom surface of the upper heat dissipating apparatus by affixing means wherein the thermal conductive grease fills gaps caused by rough surfaces of the respective LED chip and bottom surface of the body so that heat generated by the LED during use is transferred to the connected upper and lower heat dissipating apparatus for the heat dissipation, the chip is additionally comprised of a downward dome shaped LED which functions as the source of illumination, the downward dome shaped LED is positioned at a center of an exterior surface of the chip, the LED is electrically connected to wires which further penetrate through a wire connecting opening of the upper heat dissipating apparatus and then is connected to an external source of electrical power, so that the LED serves as the lighting source when it is connected to the source of electricity;
- e. a top cover plate including a plurality of fastener connecting openings and a wire connecting opening;
- and
- f. fastening means which connect the top round plate, the upper heat dissipating apparatus and the lower heat dissipating apparatus together so that illumination from the LED chip shines through the reflector, the longitudinal fins and air gaps of the upper and lower heat dissipation apparatus aligned to provide effective heat dissipation of heat generated from the LED chip.
4 more elements
A luminaire comprising:
- a. detachable and replaceable components including a heat dissipation assembly comprised of a lower and upper detachable heat dissipating means with transverse arcuate longitudinal heat dissipation fins for effectively dissipating heat generated from an LED source of illumination;
- b. the detachable lower heat dissipating apparatus having a hollow light reflector attached thereto, the lower heat dissipating apparatus having a hollow body with an exterior surface and a transverse recessed plate, formed into the exterior surface of the body are a multiplicity of spaced apart transversely extending arcuate longitudinal fins which extend outwardly away from the exterior surface, and also extend downwardly and are affixed to an exterior surface of the reflector so that the lower heat dissipating apparatus and reflector are formed as an integrated member, each longitudinal fin further extends in a transverse arc away from the exterior surface so that the fins are arcuately oriented with respect to exterior surface, each transversely extending arcuately longitudinal fin is separated from an adjacent fin by an air gap;
- c. the upper heat dissipating apparatus also has a hollow body having an exterior surface the body is downwardly and concentrically connected to a bottom plate having a bottom surface and an exterior circumference so that the exterior surface of the body connects to a top surface of the bottom plate, a central longitudinal opening through respective centers of the respective body and bottom plate, formed into the exterior surface of the body are a multiplicity of spaced apart arcuate longitudinal fins which respectively extend outwardly away from the exterior surface of the body and connect to the bottom plate, each longitudinal fin further extends in a transverse arc away from the exterior surface so that the fins are arcuately oriented with respect to exterior surface, each transversely arcuately longitudinal fins separated from an adjacent fin by an air gap;
- d. an LED chip affixed to a bottom surface of the upper heat dissipating apparatus by affixing means wherein the thermal conductive grease is between the LED chip and the bottom surface to which the LED chip is attached so that heat generated by the LED chip during use is transferred to the connected upper and lower heat dissipating apparatus for the heat dissipation, the LED is electrically connected to wires which are then connected to an external source of electrical power, so that the LED chip serves as the lighting source when it is connected to the source of electricity;
- and
- e. fastening means which connect at least the upper heat dissipating apparatus and the lower heat dissipating apparatus together so that illumination from the Led chip shines through the reflector, the longitudinal fins and air gaps of the upper and lower heat dissipation apparatus aligned to provide effective heat dissipation of heat generated from the LED chip.
3 more elements
A luminaire comprising:
- a. detachable and replaceable components including a heat dissipation assembly comprised of a lower and upper detachable heat dissipating means with transverse arcuate longitudinal heat dissipation fins for effectively dissipating heat generated from an LED source of illumination;
- b. the detachable lower heat dissipating apparatus having a hollow body with an exterior surface with a multiplicity of spaced apart transversely extending arcuate longitudinal fins which extend outwardly away from the exterior surface, each longitudinal fin further extends in a transverse arc away from the exterior surface so that the fins are arcuately oriented with respect to exterior surface, each transversely extending arcuately longitudinal fin is separated from an adjacent fin by an air gap;
- c. the upper heat dissipating apparatus also has a hollow body having an exterior surface with a multiplicity of spaced apart arcuate longitudinal fins which respectively extend outwardly away from the exterior surface of the body, each longitudinal fin further extends in a transverse arc away from the exterior surface so that the fins are arcuately oriented with respect to exterior surface, each transversely arcuately longitudinal fins separated from an adjacent fin by an air gap;
- d. an LED chip affixed to the upper heat dissipating apparatus so that heat generated by the LED chip during use is transferred to the connected upper and lower heat dissipating apparatus for the heat dissipation, the LED is electrically connected an external source of electrical power, so that the LED chip serves as the illumination source when it is connected to the source of electrical power;
- e. a reflector;
- and
- f. fastening means which connect at least the upper heat dissipating apparatus and the lower heat dissipating apparatus together so that illumination from the Led chip shines through the reflector, the longitudinal fins and air gaps of the upper and lower heat dissipation apparatus aligned to provide effective heat dissipation of heat generated from the LED chip.
4 more elements
Dependencies are inferred from the claim text.