Method and device of heat transport

Abstract

An air-to-air heat exchanger comprising first and second passages formed by interconnected separating walls according to a first structure is disclosed. An inlet and an outlet of each of the second passages are formed on a common side of the heat exchanger along the second passages.

What is claimed is: 
     
         1 . An air-to-air heat exchanger having a first side and a second side, comprising:
 one or more first structures comprising spaced apart separating walls extending between the first side and the second side forming at least in part a plurality of first passages and a plurality of second passages, each one of the plurality of the first passages being arranged adjacent to and in parallel with at least one of the plurality of the second passages,   at least one heat transfer structure arranged in the first and second passages, the heat transfer structure contacting a respective separating wall and including spaced apart partitions defining a plurality of minor flow passages, wherein the heat transfer structures are arranged between the first side and the second side, and   respective inlets and outlets of the first and second passages, the inlets and outlets of the second passages being formed on a common side of the heat exchanger.   
     
     
         2 . The air-to-air heat exchanger according to  claim 1 , comprising connecting walls connecting the separating walls, the separating walls and the connecting walls defining the first and second passages, the inlets and outlets of the second passages being formed in at least one of the connecting walls. 
     
     
         3 . The air-to-air heat exchanger according to  claim 1 , wherein the second side is parallel with the first side. 
     
     
         4 . The air-to-air heat exchanger according to  claim 1 , wherein at least one of the inlets and outlets of the first passages are formed at the first side or at the second side. 
     
     
         5 . The air-to-air heat exchanger according to  claim 1 , wherein at least one of the first passages and the second passages include at least two of the heat transfer structures arranged in a spaced apart relationship between the first side and the second side, a plenum between two adjacent heat transfer structures being defined in part by two of the separating walls of the first structure. 
     
     
         6 . The air-to-air heat exchanger according to  claim 1 , wherein the first structure or the heat transfer structure comprises one or more folded metal plates. 
     
     
         7 . The air-to-air heat exchanger according to  claim 1 , wherein the one or more first structures comprises a corrugated sheet separating the first passages from the second passages. 
     
     
         8 . The air-to-air heat exchanger according to  claim 1 , wherein the one or more first structures comprise a plurality U-shaped profiles arranged in a series having a cross-section comprising a series of Us. 
     
     
         9 . The air-to-air heat exchanger according to  claim 1 , wherein the separating walls of the first structure are spaced apart by more than 5 mm. 
     
     
         10 . The air-to-air heat exchanger according to  claim 1 , wherein the separating walls of the first structure are spaced apart by 5-30 mm. 
     
     
         11 . The air-to-air heat exchanger according to  claim 1 , wherein the separating walls of the first or second passages are spaced apart by the same distance. 
     
     
         12 . The air-to-air heat exchanger according to  claim 1 , wherein the partitions of the heat transfer structures extend at an angle, α, less than 90° to an axis (L) of the first or second passages. 
     
     
         13 . The air-to-air heat exchanger according to  claim 1 , wherein the angle a is equal to or less than 75°. 
     
     
         14 . The air-to-air heat exchanger according to  claim 1 , wherein the partitions of the heat transfer structures are spaced apart by less than 4 mm. 
     
     
         15 . The air-to-air heat exchanger according to  claim 1 , wherein the partitions of the heat transfer structures are spaced apart by 1-3 mm. 
     
     
         16 . The air-to-air heat exchanger according to  claim 1 , wherein the partitions of the heat transfer structures are spaced apart by a same distance. 
     
     
         17 . A method of manufacturing a heat exchanger comprising
 providing one or more profile structures to form at least in part a first structure comprising spaced apart separating walls extending between a first side and a second side;   providing at least one heat transfer structure in the one or more profile structures, the heat transfer structure contacting a respective separating wall and including spaced apart partitions defining a plurality of minor flow passages, wherein the heat transfer structures are arranged between the first side and the second side, and   interconnecting the separating walls whereby the first and second passages are formed;   wherein the interconnecting the separating walls comprises brazing or soldering.   
     
     
         18 . The method according to  claim 17 , comprising
 arranging respective inlets and outlets ( 2 ″) of the first and second passages ( 10 ,  20 ), the inlets and outlets ( 2 ″) of the second passages ( 20 ) being formed on a common side of the heat exchanger.   
     
     
         19 . The method according to  claim 17 , comprising
 arranging respective inlets and outlets of the first and second passages, the inlets and outlets of the first passages being formed on the first side or on the second side.   
     
     
         20 . A system product of heat exchange comprising a cabinet and a heat exchanger comprising at least one air inlet and at least one air outlet arranged in one or more sides of the cabinet, the system product comprising,
 a heat exchanger, comprising
 one or more first structures comprising spaced apart separating walls forming at least in part a plurality of first passages and a plurality of second passages, each one of the plurality of the first passages being arranged adjacent to and in parallel with at least one of the plurality of the second passages, and 
 at least one heat transfer structure arranged in the first and second passages, the heat transfer structure contacting a respective separating wall and including spaced apart partitions defining a plurality of minor flow passages, wherein the heat transfer structures are arranged between a first side and a second side of the cabinet, the separating walls of the first structure extending in direction from the first side to the second side; 
   wherein   the heat exchanger provides a water resistant seal between the first and second passages; and   the heat exchanger is arranged in or forms the ceiling of the cabinet.   
     
     
         21 . The system product of air-to-air heat exchange according to  claim 20 , wherein the front side of the cabinet comprises the first or second side. 
     
     
         22 . An air-to-air heat exchanger including a first side and a second side, comprising:
 one or more first structures comprising spaced apart separating walls extending between the first side and the second side forming at least in part a plurality of first passages and a plurality of second passages, each one of the plurality of the first passages being arranged adjacent to and in parallel with at least one of the plurality of the second passages,   at least one heat transfer structure arranged in the first and second passages, the heat transfer structure contacting a respective separating wall and including spaced apart partitions defining a plurality of minor flow passages, wherein the heat transfer structures are arranged between the first side and the second side, and   the inlets and/or outlets of the first passages being at the first side or at the second side.