Portable refrigerated rig mat

Abstract

A portable refrigeration mat includes an evaporator mat. An evaporator is located in the evaporator mat. Located above the evaporator mat is an insulation mat which thermally insulates the evaporator mat from the surrounding environment. Located above the insulation mat is a load mat having a planar load carrying upper surface. The evaporator is fluidly interconnected with a condenser to provide a thermosyphon unit which is portable and can be moved from site to site.

1 . A portable refrigeration mat comprising:
 (a) an evaporator mat;   (b) said evaporator mat including an evaporator frame which defines an evaporator cavity which is enclosed by a cover; and   (c) an evaporator located within said frame.   
     
     
         2 . The mat of  claim 1  wherein said evaporator mat is capable of supporting a load. 
     
     
         3 . The mat of  claim 1  further comprising:
 (a) an insulation mat located on top of said evaporator mat; 
 (b) said insulation mat including an insulation frame defining an internal insulation cavity; 
 (c) a skin attached to said installation frame in a manner to seal said insulation cavity watertight; and 
 (d) insulation material which at least partially fills said insulation cavity. 
 
     
     
         4 . The mat of  claim 3  wherein said insulation mat is capable of carrying a load. 
     
     
         5 . The mat of  claim 3  further comprising:
 (a) a load mat capable of carrying a load; 
 (b) said load mat located on top of said thermal mat; wherein 
 (c) said load mat has an exposed upper surface which is generally planar. 
 
     
     
         6 . The mat of  claim 1  wherein said evaporator frame is metal. 
     
     
         7 . The mat of  claim 1  wherein said cover is a solid metal sheet. 
     
     
         8 . The mat of  claim 1  wherein said cover is an expanded metal sheet. 
     
     
         9 . The mat of  claim 1  wherein said evaporator is a series of hollow pipes. 
     
     
         10 . The mat of  claim 3  wherein said insulation frame is fiber reinforced plastic. 
     
     
         11 . The mat of  claim 10  wherein said skin is ultra-high molecular weight polyethylene. 
     
     
         12 . The mat of  claim 1  wherein said load mat comprises:
 (a) a frame; 
 (b) a plurality of side-by-side glue lam beams; wherein 
 (c) said frame carries and holds said beams in side-by-side contact as an integral unit. 
 
     
     
         13 . The mat of  claim 1  wherein said evaporator is one or more hollow pipes. 
     
     
         14 . The mat of  claim 1  further comprising an above ground condenser which is fluidly connected with said evaporator to create a thermosyphon. 
     
     
         15 . The mat of  claim 5  wherein said load mat, insulation mat, and evaporator mat have the same footprint. 
     
     
         16 . The mat of  claim 5  wherein each of said load mat, insulation mat, and evaporator mat is portable and is an integral unit which can be moved and reused at a different location. 
     
     
         17 . A portable refrigeration mat comprising:
 (a) an evaporator mat containing an evaporator;   (b) an insulation mat located on top of said evaporator mat;   (c) a load mat having a planar load supporting upper surface, said load mat located on top of said insulation mat; and   (d) wherein said insulation mat provides a thermal barrier between said evaporation mat and said load mat.   
     
     
         18 . The mat of  claim 17  including a condenser which is fluidly connected to said evaporator mat to form a passive thermosyphon. 
     
     
         19 . The mat of  claim 17  including a refrigeration unit which is connected to said evaporator to form an active thermosyphon. 
     
     
         20 . The mat of  claim 17  wherein each of said load mat, insulation mat, and evaporator mat is portable and is an integral unit which can be moved and reused at a different location.