Stacked-plate heat exchanger

Abstract

A stacked-plate heat exchanger may include a plurality of stacked plates stacked on top of each other along a stacking direction. A channel structure, through which a fluid may be flowable, may be formed in at least one stacked plate. From a top view of the at least one stacked plate, the channel structure may have at least one fluid channel along the stacking direction that may have at least one channel section with a zigzag-like geometry.

1 . A stacked-plate heat exchanger comprising:
 a plurality of stacked plates stacked on top of each other along a stacking direction;   wherein a channel structure, through which a fluid is flowable, is formed in at least one stacked plate;   wherein, from a top view of the at least one stacked plate, the channel structure has at least one fluid channel along the stacking direction that has at least one channel section with a zigzag-like geometry.   
     
     
         2 . The stacked-plate heat exchanger according to  claim 1 , wherein the at least one channel section has a first partial section and a second partial section forming an angle between 90° and 165°. 
     
     
         3 . The stacked-plate heat exchanger according to  claim 1 , wherein the first and the second partial sections are respectively formed substantially rectilinear and continue into one another via a curved formed transition section. 
     
     
         4 . The stacked-plate heat exchanger according to  claim 1 , wherein the at least one fluid channel is formed in a meander-like manner and has a plurality of channel sections each with a zigzag-like geometry. 
     
     
         5 . The stacked-plate heat exchanger according to  claim 1 , wherein at least one fluid channel has a plurality of U-shaped channel sections, wherein at least one channel section with the zigzag-like geometry is provided between at least two U-shaped channel sections adjacent along an extent direction of the fluid channel. 
     
     
         6 . The stacked-plate heat exchanger according to  claim 5 , wherein two channel sections with the zigzag-like geometry and following one another along the extent direction are provided between the at least two U-shaped channel sections. 
     
     
         7 . The stacked-plate heat exchanger according to  claim 1 , wherein the at least one fluid channel includes at least two fluid channels extending substantially parallel to and at a distance from one another. 
     
     
         8 . The stacked-plate heat exchanger according to  claim 7 , wherein, between the at least two fluid channels, at least one connecting channel is formed in a region of the at least one channel section, the at least one connecting channel fluidically connecting the at least two fluid channels to one another. 
     
     
         9 . The stacked-plate heat exchanger according to  claim 8 , wherein the at least one connecting channel includes a plurality of connecting channels arranged at a distance from one another along an extent direction of the at least two fluid channels. 
     
     
         10 . The stacked-plate heat exchanger according to  claim 9 , wherein the plurality of connecting channels fluidically connect all of the at least two fluid channels to one another. 
     
     
         11 . The stacked-plate heat exchanger according to  claim 1 , wherein one of:
 the channel structure is formed to be flowed through by water, and the at least one fluid channel has a cross-sectional area between 2 mm 2  and 8 mm 2  in a cross-section of the at least one stacked plate perpendicular to an extent direction of the at least one fluid channel;   the channel structure is formed to be flowed through by ethanol, and the cross-sectional area of the at least one fluid channel is between 3 mm 2  and 15 mm 2  in the cross-section of the at least one stacked plate;   the channel structure is formed to be flowed through by, and the cross-sectional area of the at least one fluid channel is between 6 mm 2  and 20 mm 2  in the cross-section of the at least one stacked plate; or   the channel structure is formed to be flowed through by hydrofluorocarbons, and the cross-sectional area of the at least one fluid channel is between 15 mm 2  and 40 mm 2  in the cross-section of the at least one stacked plate.   
     
     
         12 . The stacked-plate heat exchanger according to  claim 1 , wherein the channel structure includes at least one of corrugation-like elevations and depressions in the at least one stacked plate. 
     
     
         13 . The stacked-plate heat exchanger according to  claim 1 , wherein at least two stacked plates each has a channel structure. 
     
     
         14 . The stacked-plate heat exchanger according to  claim 7 , further comprising a shared fluid inlet for distributing the fluid to the at least two fluid channels, and a shared fluid outlet for directing the fluid out after flowing through the at least two fluid channels. 
     
     
         15 . The stacked-plate heat exchanger according to  claim 1 , wherein the at least one fluid channel and the at least one channel section are configured such that the fluid is substantially entirely in liquid phase when in the at least one channel section. 
     
     
         16 . The stacked-plate heat exchanger according to  claim 1 , wherein the at least one fluid channel includes at least one other channel section different from the at least channel section with a zigzag-like geometry that does not have a zigzag-like geometry. 
     
     
         17 . The stacked-plate heat exchanger according to  claim 16 , wherein the at least one other channel has a rectilinear geometry. 
     
     
         18 . The stacked-plate heat exchanger according to  claim 7 , wherein the at least two fluid channels include three fluid channels. 
     
     
         19 . A stacked-plate heat exchanger comprising:
 a plurality of stacked plates stacked on top of each other along a stacking direction;   wherein at least one of the stacked plates includes a channel structure through which a fluid is flowable; and   wherein the channel structure includes at least two fluid channels along the stacking direction extending substantially parallel to and at a distance from one another, and at least one connecting channel fluidically connecting the at least two fluid channels to one another, the at least two fluid channels each having at least one channel section with a zigzag-like geometry.   
     
     
         20 . The stacked-plate heat exchanger according to  claim 19 , wherein the at least one channel section has a first partial section and a second partial section forming an angle between 90° and 165°.