# US 8,783,912 B2 · Cup-shaped heat dissipater having heat conductive rib and flow guide hole and applied in electric luminous body > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,783,912 B2 - Document ID: US8783912B2 - Status: Granted - Kind: B2 - Application number: 13/554,121 - Filed: 2012-07-20 - Published: 2014-01-23 - Granted: 2014-07-22 - Earliest claimed: 2012-07-20 - Applicants: Tai-Her Yang - Inventors: Tai-Her Yang - Web page: https://patentgrep.com/patent/US8783912B2 ## CPC - F21V 29/83: the elements having apertures, ducts or channels, e.g. heat radiation holes - F21V 29/75: with fins or blades having different shapes, thicknesses or spacing - F21V 29/86: {Ceramics or glass} - F21V 29/89: Metals - F21Y 2115/10: Light-emitting diodes [LED] - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract The present invention provides a cup-shaped heat dissipater having heat conductive rib and flow guide hole, in which the outer cup bottom of the cup-shaped heat dissipater (100) is formed as a planar or convex or concave surface for accommodating the electric luminous body (200), so with the heat dissipation surface formed opposite to the cup-shaped inner recessed structure of the heat dissipater (100) and with the heat conductive rib structure (310) connecting between the inner periphery of the cup-shaped inner recessed structure of the heat dissipater (100) and the heat source zone having its bottom being installed with the electric luminous body (200) and the solid or tubular central column (103), the heat in the central heat source zone can be dissipated to the periphery through the surface of the heat conductive rib structure (310) and the surface of the heat dissipater (100). ## Claims ### Claim 1 A cup-shaped heat dissipater (100) for an electric luminous body (200), the electric luminous body being accommodated on an exterior surface of a bottom (120) of the cup-shaped heat dissipater (100), comprising: a heat conductive rib structure (310) extending upwardly from an interior surface of the bottom (120) of the cup-shaped heat dissipater (100), said heat conductive rib structure (310) further extending laterally to an upwardly-extending outer periphery (101) of the cup-shaped heat dissipater (100) and forming one of: (i) a grid, and (ii) at least one central structure with radially extending connecting sections, wherein at least one flow guide hole is formed in the cup-shaped heat dissipater (100) to permit passage of air into the cup-shaped heat dissipater (100) and past surfaces of the heat conductive rib structure (310) to an exterior of the cup-shaped heat dissipater (100), said at least one flow guide hole having at least one of the following configurations: (a) the at least one flow guide hole includes a plurality of flow guide holes (301) annularly arranged in the bottom (120) of the cup-shaped heat dissipater (100); (b) the at least one flow guide hole includes at least one flow guide hole (302) at a center of the bottom (120) of the cup-shaped heat dissipater (100); (c) the at least one flow guide hole includes at least one radially-extending flow guide hole (303) in the outer periphery (101) of the cup-shaped heat dissipater (100); (d) the at least one flow guide hole includes at least one inclined flow guide hole at an edge of the bottom surface 120 of the cup-shaped heat dissipater (100). ### Claim 2 (depends on 1) A cup-shaped heat dissipater (100) as claimed in claim 1, wherein an upper annular surface of the outer periphery (101) of the heat dissipater (100) is planar. ### Claim 3 (depends on 1) A cup-shaped heat dissipater (100) as claimed in claim 1, wherein an upper annular surface of the outer periphery (101) of the heat dissipater (100) is formed with notches to form a wave-like surface. ### Claim 4 (depends on 1) A cup-shaped heat dissipater (100) as claimed in claim 1, wherein the heat conductive rib structure includes said at least one central structure, said at least one central structure being one of a tubular and a solid central column (103). ### Claim 5 (depends on 4) A cup-shaped heat dissipater (100) as claimed in claim 4, wherein an upper annular surface of the outer periphery (101) of the heat dissipater (100) is planar. ### Claim 6 (depends on 4) A cup-shaped heat dissipater (100) as claimed in claim 4, wherein an upper annular surface of the outer periphery (101) of the heat dissipater (100) is formed with notches to form a wave-like surface. ### Claim 7 (depends on 4) A cup-shaped heat dissipater (100) as claimed in claim 4, wherein the heat conductive rib structure includes at least one additional cylindrical structure between the central column (103) and the outer periphery (101) of the cup-shaped heat dissipater (100). ### Claim 8 (depends on 7) A cup-shaped heat dissipater (100) as claimed in claim 7, wherein upper annular surfaces of the outer periphery (101) and the additional annular structure of the heat dissipater (100) are planar. ### Claim 9 (depends on 7) A cup-shaped heat dissipater (100) as claimed in claim 7, wherein upper annular surfaces of the outer periphery (101) and the additional annular structure of the heat dissipater (100) are formed with notches to form a wave-like surface. ### Claim 10 (depends on 7) A cup-shaped heat dissipater (100) as claimed in claim 7, wherein the cup-shaped heat dissipater (100) has a stepped structure in which the central column (103) extends further from the bottom surface (120) than the additional cylindrical structure, and the additional cylindrical structure extends from the bottom surface (120) than the outer periphery (101) of the cup-shaped heat dissipater (100). ### Claim 11 (depends on 4) A cup-shaped heat dissipater (100) as claimed in claim 4, wherein the cup-shaped heat dissipater (100) has a stepped structure in which the central column (103) extends further from the bottom surface (120) than the outer periphery (101) of the cup-shaped heat dissipater (100). ### Claim 12 (depends on 4) A cup-shaped heat dissipater (100) as claimed in claim 4, wherein the cup-shaped heat dissipater (100) has a stepped structure in which the outer periphery (101) extends further from the bottom surface (120) than the central column (103). ### Claim 13 (depends on 4) A cup-shaped heat dissipater (100) as claimed in claim 4, wherein the central column (103) is conical and the outer periphery (101) of the cup-shaped heat dissipater (100) is an annular structure (106) with vertically extending slots. ### Claim 14 (depends on 1) A cup-shaped heat dissipater (100) as claimed in claim 1, further comprising support columns (111) extending upwardly from an upper surface of the outer periphery (101) of the cup-shaped heat dissipater (100), a top cover (110) supported by the support columns (111), and ventilation openings (112) between the support columns (111), the upper surface of the outer periphery (101), and the top cover (110). ### Claim 15 (depends on 14) A cup-shaped heat dissipater (100) as claimed in claim 14, further comprising a protection net (109) installed at a top of the cup-shaped heat dissipater (100). ### Claim 16 (depends on 1) A cup-shaped heat dissipater (100) as claimed in claim 1, further comprising a protection net (109) installed at a top of the cup-shaped heat dissipater (100). ### Claim 17 (depends on 1) A cup-shaped heat dissipater (100) as claimed in claim 1, wherein the heat-conductive rib structure (310) is integral with the periphery (101) and bottom (120) of the cup-shaped heat dissipater (100). ### Claim 18 (depends on 1) A cup-shaped heat dissipater (100) as claimed in claim 1, wherein the heat-conductive rib structure (310) is assembled to the cup-shaped heat dissipater (100) as at least one separate piece. ### Claim 19 (depends on 1) A cup-shaped heat dissipater (100) as claimed in claim 1, wherein the heat-conductive rib structure (310) includes sheet-like structures. ### Claim 20 (depends on 1) A cup-shaped heat dissipater (100) as claimed in claim 1, wherein a material of the heat-conductive rib structure (310) is a material with high heat conductivity selected from aluminum and copper.