Heat exhanger

Abstract

A heat exchanger is provided through which first and second fluids flow in a heat transfer arrangement. The heat exchanger includes a plurality of laminates. Each laminate includes a plurality of primary heat transfer surfaces disposed to contact the first and second fluids and a plurality of secondary heat transfer surfaces disposed to contact the first and/or second fluid. The respective pluralities of the primary and secondary heat transfer surfaces are configured to form respective pluralities of first and second flow pathways along which the first and second fluids flow, respectively, in the heat transfer arrangement. At least one of the plurality of the primary heat transfer surfaces is corrugated along a length of at least one of the plurality of the first flow pathways.

1 . A heat exchanger through which first and second fluids flow in a heat transfer arrangement, the heat exchanger comprising a plurality of laminates coupled together, each laminate comprising:
 segments of a plurality of primary heat transfer surfaces disposed to contact the first and second fluids; and   segments of a plurality of secondary heat transfer surfaces disposed to contact the first and/or second fluid,   the segments of the respective pluralities of the primary and secondary heat transfer surfaces being configured to form respective pluralities of first and second flow pathways along which the first and second fluids flow, respectively, in the heat transfer arrangement, and   at least one of the plurality of the primary heat transfer surfaces being corrugated along a length of at least one of the plurality of the first flow pathways.   
     
     
         2 . The heat exchanger according to  claim 1 , wherein the first and second fluids respectively comprise first and second flows. 
     
     
         3 . The heat exchanger according to  claim 1 , wherein the at least one of the plurality of the primary heat transfer surfaces is repeatedly corrugated. 
     
     
         4 . The heat exchanger according to  claim 1 , wherein the at least one of the plurality of the primary heat transfer surfaces is angularly corrugated. 
     
     
         5 . The heat exchanger according to  claim 1 , wherein the at least one of the plurality of the primary heat transfer surfaces is smoothly corrugated. 
     
     
         6 . The heat exchanger according to  claim 1 , wherein the segments of each one of the plurality of the primary heat transfer surfaces are arranged in a side-by-side array. 
     
     
         7 . The heat exchanger according to  claim 1 , wherein the first and second flow pathways are oriented transversely with respect to one another. 
     
     
         8 . The heat exchanger according to  claim 1 , wherein the first and second flow pathways are perpendicular to one another. 
     
     
         9 . A heat exchanger through which first and second fluids flow in a heat transfer arrangement, the heat exchanger comprising a plurality of laminates coupled together, each laminate comprising:
 segments of a plurality of primary heat transfer surfaces disposed to contact the first and second fluids; and   segments of a plurality of secondary heat transfer surfaces disposed to contact the first and/or second fluid,   the segments of the respective pluralities of the primary and secondary heat transfer surfaces being configured to form respective pluralities of first and second flow pathways along which the first and second fluids flow, respectively, in the heat transfer arrangement, and   each of the plurality of the primary heat transfer surfaces being corrugated along respective lengths of each of the plurality of the first flow pathways.   
     
     
         10 . The heat exchanger according to  claim 9 , wherein the first and second fluids respectively comprise first and second flows. 
     
     
         11 . The heat exchanger according to  claim 9 , wherein each of the plurality of the primary heat transfer surfaces is repeatedly corrugated. 
     
     
         12 . The heat exchanger according to  claim 9 , wherein each of the plurality of the primary heat transfer surfaces is angularly corrugated. 
     
     
         13 . The heat exchanger according to  claim 9 , wherein each of the plurality of the primary heat transfer surfaces is smoothly corrugated. 
     
     
         14 . The heat exchanger according to  claim 9 , wherein the segments of each one of the plurality of the primary heat transfer surfaces are arranged in a side-by-side array. 
     
     
         15 . The heat exchanger according to  claim 9 , wherein the first and second flow pathways are oriented transversely with respect to one another. 
     
     
         16 . The heat exchanger according to  claim 9 , wherein the first and second flow pathways are perpendicular to one another. 
     
     
         17 . A heat exchanger, comprising:
 a plurality of laminates coupled together to form a heat exchanger body through which first and second fluids flow in transverse directions, each one of the plurality of the laminates comprising:   segments of a plurality of primary heat transfer surfaces disposed to contact the first and second fluids; and   segments of a plurality of secondary heat transfer surfaces disposed to contact the first and/or second fluid,   the segments of the respective pluralities of the primary and secondary heat transfer surfaces being configured to form respective pluralities of first and second flow pathways along which the first and second fluids flow, respectively, in a heat transfer arrangement, and   at least one of the plurality of the primary heat transfer surfaces being corrugated along a length of at least one of the plurality of the first flow pathways.   
     
     
         18 . The heat exchanger according to claim  19 , wherein the first and second fluids respectively comprise first and second flows.