Heat exchanging device

Abstract

The invention relates to a heat exchanging device, especially for a motor vehicle, comprising at least one flow device ( 8 ) and at least one collection and/or distribution device. Said collection and/or distribution device comprises at least two moulded parts ( 2, 3 ) and at least two bordering elements, and the moulded parts ( 2, 3 ) form at least two flow paths ( 5, 6 ) for a fluid. Said collection and/or distribution device has a transition region ( 11 ) in at least one section, which at least partially interconnects the flow paths ( 5, 6 ) of the collection and/or distribution device. The moulded parts ( 2, 3 ) come into contact in at least three sections with the flat surfaces thereof.

1 . A heat exchanging device, in particular for motor vehicles, with at least one throughflow device and at least one collection and/or distribution device, the collection and/or distribution device forming at least two moldings and the moldings forming at least two flow paths for a fluid, wherein the moldings are in contact with one another over a large area in at least three sections.  
     
     
         2 . A heat exchanging device, in particular for motor vehicles, with at least one throughflow device and at least one collection and/or distribution device, the collection and/or distribution device having at least two moldings and, if appropriate, at least one or two delimiting elements, and the moldings forming at least two flow paths for a fluid, wherein the collection and/or distribution device has, at least in one section, a transition region which connects the flow paths of the collection and/or distribution device at least partially to one another, and the moldings are in contact with one another over a large area in at least three sections.  
     
     
         3 . The device as claimed in  claim 1 , wherein at least the moldings are produced from a material which is selected from a group of materials having aluminum, aluminum alloys, iron, iron alloys, bronze, copper, copper alloys and the like.  
     
     
         4 . The device as claimed in  claim 1 , wherein the moldings are essentially mirror-symmetrical at least along a longitudinal axis.  
     
     
         5 . The device as claimed in  claim 1 , wherein the sections which are in contact with one another are spaced apart spatially from one another.  
     
     
         6 . The device as claimed in  claim 1 , wherein at least one molding has edge projections which at least partially fix a second molding in at least one predetermined position.  
     
     
         7 . The device as claimed in  claim 1 , wherein the collection and/or distribution device has at least one inner and one outer molding.  
     
     
         8 . The device as claimed in  claim 1 , wherein the delimiting elements close at least one flow path of the collection and/or distribution device in a gas-tight and/or liquid-tight manner.  
     
     
         9 . The device as claimed in  claim 1 , wherein the moldings have reception devices for the at least partial reception of flat tubes which are at a predetermined angle with respect to the main direction of extent of the collecting tubes.  
     
     
         10 . The device as claimed in  claim 1 , wherein the moldings have at least three connection regions, within which at least two moldings are connected in a nonpositive, positive and/or materially integral manner.  
     
     
         11 . The device as claimed in  claim 1 , wherein the flow paths of the collection and/or distribution device have, in cross section, a form which is essentially circular, drop-shaped, polygonal, elliptic, mixed forms and/or the like.  
     
     
         12 . The device as claimed in  claim 1 , wherein the connection region of the moldings is at least partially thermally decoupled between the flow paths.  
     
     
         13 . The device as claimed in  claim 1 , wherein in the region of the transition regions, the connection region of at least one molding is interrupted between the flow paths.  
     
     
         14 . The device as claimed in  claim 1 , wherein the moldings have, in cross section, an essentially W-shaped or ω-shaped configuration.  
     
     
         15 . The device as claimed in  claim 1 , wherein at least the edges located within a flow path are rounded.  
     
     
         16 . The device as claimed in  claim 1 , wherein the transition region is arranged so as to be rotated about its longitudinal axis with respect to the longitudinal axis of the collecting tube at a predetermined angle which is between 0° and 90°, preferably between 15° and 75°, particularly preferably between 30° and 60° and, in particular, about 45°.  
     
     
         17 . The device as claimed in  claim 1 , wherein the moldings have, at least in the region of reception of the delimiting elements, recesses into which the delimiting elements at least partially engage.  
     
     
         18 . The device as claimed in  claim 1 , wherein a multiplicity of flat tubes extend between two collection and/or distribution devices in each case with two flow paths.  
     
     
         19 . The device as claimed in  claim 1 , wherein a multiplicity of flat tubes are arranged on a collecting tube and connect at least two flow paths of the collecting tube hydraulically to one another.  
     
     
         20 . The device as claimed in  claim 1 , wherien the thermal decoupling of the flow paths is brought about by means of at least one partial recess in the connection region of the moldings between the flow paths.  
     
     
         21 . The device as claimed in  claim 1 , wherein the surfaces of the moldings and structural parts of the device are coated with solder.  
     
     
         22 . A method for producing a heat exchanging device, in particular for motor vehicles, with at least one flat tube and at least one collecting tube, having the steps 
 assembly of the moldings to form a collecting tube    fixing of the moldings    assembly of the remaining structural parts and their fixing    connection, in particular materially integral connection of the moldings and structural parts.    
     
     
         23 . The method as claimed in  claim 22 , wherein the fixing of the moldings is brought about by deforming of the projections of at least one molding.  
     
     
         24 . A device for the air conditioning of the air conducted into a vehicle interior of a motor vehicle, with at least one compressor, one evaporator, one expansion valve and one cooler, at least one evaporator and/or cooler being a device as claimed in  claim 1 .  
     
     
         25 . The device as claimed in  claim 24 , wherein a housing of a ventilation, heating or air conditioning system receives the cooler and, if appropriate, has further elements, such as air flow paths or air stream control elements.