Radiant cooling and/or heating assembly

Abstract

A radiant cooling/heating assembly includes a housing (15, 216) containing a heat transfer pipe (20, 67, 80, 120, 226, 316) through which a heat transfer medium is passable, at least one outer radiant heat transfer surface (50, 74, 87, 150, 213a, 213b, 313a, 313b) for heat transfer with the surrounding environment, a first heat transfer panel (30, 68, 81, 130, 230, 326) with a first inner heat transfer surface (52, 152), and a second heat transfer panel (16, 116, 228, 324) with a second inner heat transfer surface (51, 151) which faces the first inner heat transfer surface, the first heat transfer panel in contact with part of the heat transfer pipe, the first inner heat transfer surface and the second inner heat transfer surface separated from each other by a separation (55, 73, 86, 156, 236, 332) which is filled at least partly with a carbon layer or coating.

1 . A radiant cooling and/or heating assembly comprising:
 a housing containing a heat transfer pipe through which a heat transfer medium is passable,   at least one outer radiant heat transfer surface for heat transfer with the surrounding environment,   a first heat transfer panel with a first inner heat transfer surface, and   a second heat transfer panel with a second inner heat transfer surface which faces said first inner heat transfer surface of said first heat transfer panel,   wherein said first heat transfer panel is in contact with at least part of said heat transfer pipe,   wherein said first inner heat transfer surface and said second inner heat transfer surface are separated from each other by a separation, and   wherein said separation is filled at least partly with a thermal conductive layer made of at least one material having a thermal conductivity higher than that of air.   
     
     
         2 . The assembly of  claim 1 , wherein said separation is substantially sealed against outside fluid communication. 
     
     
         3 . The assembly of  claim 1 , wherein said separation is of a substantially constant gap width. 
     
     
         4 . The assembly of  claim 3 , wherein said separation is of a gap width of 0.3 mm to 20 mm. 
     
     
         5 . The assembly of  claim 1 , wherein said at least one material is solid graphite. 
     
     
         6 . The assembly of  claim 1 , wherein said thermal conductive layer comprises at least an anisotropic graphite sheet. 
     
     
         7 . The assembly of  claim 1 , wherein said thermal conductive layer comprises at least a graphite coating. 
     
     
         8 . The assembly of  claim 1 , wherein said separation includes at least one acoustic layer to act as a sound barrier or absorber. 
     
     
         9 . The assembly of  claim 1 , wherein said heat transfer pipe meanders within said housing. 
     
     
         10 . The assembly of  claim 1 , wherein said first heat transfer panel comprises a plurality of heat conductive metal or alloy panel sections lying adjacent to each other. 
     
     
         11 . The assembly of  claim 10 , wherein each panel section of said panel sections includes a heat conducting portion with a concave surface having a curvature complementary to a curvature of an outer surface of said heat transfer pipe. 
     
     
         12 . The assembly of  claim 11 , wherein said heat conducting portion of said panel section is c-shaped or semi-circular in shape. 
     
     
         13 . The assembly of  claim 12 , wherein two adjacent panel sections with oppositely arranged conducting portions surround said heat transfer pipe and substantially cover an entire straight portion of said heat transfer pipe. 
     
     
         14 . The assembly of  claim 1 , wherein said assembly includes at least two outer radiant heat transfer surfaces for heat transfer with the surrounding environment. 
     
     
         15 . The assembly of  claim 14 , wherein said at least two outer radiant heat transfer surfaces face opposite directions. 
     
     
         16 . The assembly of  claim 1 , wherein said heat transfer pipe is of a rectangular cross-section. 
     
     
         17 . A cooling and/or heating system including a heat exchanger and/or a boiler connected with at least one radiant cooling and/or heating assembly according to  claim 1 . 
     
     
         18 . The system according to  claim 17 , wherein said at least one radiant cooling and/or heating assembly comprises a plurality of radiant cooling and/or heating assemblies.