Soldered heat exchanger network

Abstract

The invention relates to a soldered heat exchanger network comprising folded flat multichamber tubes and wave-like ribs that are provided with fins. The multichamber tubes encompass at least two chambers, each of which is formed by folded webs that are soldered in the interior of the multichamber tube. According to the invention, the wave-like ribs are provided with fin-free fields in the area of the web or webs.

1 . A soldered heat exchanger network, comprising:
 folded multichamber flat tubes, and   corrugated ribs provided with gills,   wherein the multichamber tubes comprise at least two chambers which are each formed by at least one folded web which is soldered in an interior of the multichamber tube,   wherein the corrugated ribs have non-gilled areas in a region of the at least one web,   wherein the corrugated ribs include a plurality of constrictions that form restricted regions and include at least one unrestricted region without a constriction,   wherein the at least one unrestricted region is located in the region of the at least one web,   wherein the corrugated ribs directly contact walls of the multichamber tubes at a position where the at least one web of the multichamber tubes is located.   
   
   
       2 . The soldered heat exchanger network as claimed in  claim 1 , wherein the multichamber tube comprises a longitudinal soldered seam. 
   
   
       3 . The soldered heat exchanger network as claimed in  claim 1 , wherein the multichamber tube comprises a longitudinal welded seam. 
   
   
       4 . The soldered heat exchanger network as claimed in  claim 1 , wherein the corrugated ribs each comprise a smooth inflow region and a smooth outflow region. 
   
   
       5 . The soldered heat exchanger network as claimed in  claim 1 , wherein the non-gilled areas have an equal and maximum rib height H. 
   
   
       6 . The soldered heat exchanger network as claimed in  claim 1 , wherein regions of the corrugated ribs which are provided with gills have a minimum rib height h. 
   
   
       7 . The soldered heat exchanger network as claimed in  claim 1 , wherein the multichamber tube comprises a soldered web at a midpoint of a tube depth T and the corrugated ribs have two sets of gills. 
   
   
       8 . The soldered heat exchanger network as claimed in  claim 1 , wherein the multichamber tube comprises (n) number of webs and the corrugated ribs comprise (n+1) sets of gills. 
   
   
       9 . The soldered heat exchanger as claimed in  claim 3 , wherein the longitudinal welded seam is located on a narrow side of the multichamber tube. 
   
   
       10 . The soldered heat exchanger as claimed in  claim 1 , wherein the at least one unrestricted region is located in a central region of the corrugated ribs. 
   
   
       11 . The soldered heat exchanger as claimed in  claim 1 , wherein the at least one unrestricted region has a height H that is greater than a height h of the restricted regions. 
   
   
       12 . The soldered heat exchanger as claimed in  claim 1 , wherein the at least one unrestricted region and the at least one web are aligned with one another in a height direction of the soldered heat exchanger network. 
   
   
       13 . The soldered heat exchanger as claimed in  claim 5 , wherein the at least one unrestricted regions correspond to the non-grilled areas and have the height H, wherein the height H of the at least one unrestricted regions is greater than a height h of the restricted regions. 
   
   
       14 . The soldered heat exchanger as claimed in  claim 1 , wherein the multichamber flat tubes comprise at least two webs. 
   
   
       15 . The soldered heat exchanger as claimed in  claim 14 , wherein an unrestricted region is located in a region of each of the at least two webs.