Fluid connection arrangement

Abstract

The present disclosure relates to a fluid connection arrangement for establishing a fluid connection, including a receiving part having a receiving wall that has a receiving wall inner side that delimits an interior of the receiving part, a tubular connecting part that is at least partially received in the interior of the receiving part and has a tube wall having a plurality of comb-shaped support points that extend along a longitudinal direction of the tubular connecting part, the comb-shaped support points contacting the receiving wall inner side. The tube wall may have at least one curved wall area that extends between two adjacent comb-shaped support points. Between the at least one curved wall area of the tubular connecting part and the receiving wall inner side of the receiving part at least one gap is arranged where a solder is received to establish a materially bonded and fluid-tight connection.

What is claimed is: 
     
         1 . A fluid connection arrangement for establishing a fluid connection, comprising:
 a receiving part comprising a receiving wall that has a receiving wall inner side that delimits an interior of the receiving part; and   a tubular connecting part that is received at least partially in the interior of the receiving part and comprises a tube wall having:
 a plurality of comb-shaped support points that extends along a longitudinal direction of the tubular connecting part and the receiving wall inner side, 
 at least one curved wall area that extends between two adjacent comb-shaped support points of the plurality of comb-shaped support points, 
   wherein between the at least one curved wall area of the tubular connecting part and the receiving wall inner side, at least one gap is arranged, and   wherein a solder is received in the at least one gap to provide a materially bonded and fluid-tight connection between the receiving wall inner side and the at least one curved wall area.   
     
     
         2 . The fluid connection arrangement of  claim 1 , wherein, when inserting the tubular connecting part into the receiving part, the plurality of comb-shaped support points are at least partially inwardly deformable to receive the tubular connecting part in the receiving part. 
     
     
         3 . The fluid connection arrangement of  claim 1 , wherein the plurality of comb-shaped support points received in the receiving part are configured to apply a force to the receiving wall inner side. 
     
     
         4 . The fluid connection arrangement of  claim 1 , wherein the plurality of comb-shaped support points are arranged rotationally symmetrically with respect to a central axis of the tubular connecting part. 
     
     
         5 . The fluid connection arrangement of  claim 1 , wherein a plurality of curved wall areas are arranged rotationally symmetrically with respect to a central axis of the tubular connecting part. 
     
     
         6 . The fluid connection arrangement of  claim 1 , wherein:
 the plurality of comb-shaped support points lie on a first circumferential circle of the tubular connecting part with respect to a central axis of the tubular connecting part,   respective central areas of a plurality of curved wall areas lie on a second circumferential circle of the tubular connecting part with respect to the central axis of the tubular connecting part, and   the first circumferential circle has a first circular diameter that is greater than a second circular diameter of the second circumferential circle.   
     
     
         7 . The fluid connection arrangement of  claim 1 , wherein a length of the plurality of comb-shaped support points along the longitudinal direction of the tubular connecting part is less than a length of the at least one gap along the longitudinal direction of the tubular connecting part. 
     
     
         8 . The fluid connection arrangement of  claim 1 , wherein:
 the tubular connecting part has an insertion section that is completely received in the interior of the receiving part, the insertion section being connected to an outer section of the tubular connecting part that extends from the insertion section,   the plurality of comb-shaped support points and the at least one curved wall area of the tube wall are arranged in the insertion section, and   the tube wall of the outer section has a concentric cross section.   
     
     
         9 . The fluid connection arrangement of  claim 1 , wherein:
 the receiving wall that delimits the interior of the receiving part has a wall end side that closes the interior transversely to an insertion direction of the tubular connecting part, and   a cavity for receiving the solder is formed between the wall end side and an end face of the inserted tubular connecting part.   
     
     
         10 . The fluid connection arrangement of  claim 1 , wherein each comb-shaped support point of the plurality of comb-shaped support points comprises a rounded comb top that bears against the receiving wall inner side. 
     
     
         11 . The fluid connection arrangement of  claim 1 , wherein the at least one curved wall area is shaped as a convexly curved wall area. 
     
     
         12 . The fluid connection arrangement of  claim 1 , wherein the at least one gap has a crescent shape. 
     
     
         13 . The fluid connection arrangement of  claim 1 , wherein a radial depth of the at least one gap transverse to the longitudinal direction of the tubular connecting part is between 0.02 mm and 0.2 mm. 
     
     
         14 . The fluid connection arrangement of  claim 1 , wherein a wall thickness of the tube wall is between 0.5 mm and 1.2 mm. 
     
     
         15 . A method for producing a fluid connection arrangement, comprising:
 providing a receiving part comprising a receiving wall that has a receiving wall inner side that delimits an interior of the receiving part;   providing a tubular connecting part that comprises a tube wall having a plurality of comb-shaped support points that extends along a longitudinal direction of the tubular connecting part and having at least one curved wall area that extends between two adjacent comb-shaped support points of the plurality of comb-shaped support points;   at least partially inserting the tubular connecting part into the interior of the receiving part, wherein the plurality of comb-shaped support points contacts the receiving wall inner side and at least one gap is arranged between the at least one curved wall area and the receiving wall inner side based at least in part on the inserting; and   soldering the tube wall to the receiving wall, wherein a solder formed during the soldering is received in the at least one gap, and wherein a materially bonded and fluid-tight connection is provided between the receiving wall inner side and the at least one curved wall area based at least in part on the solder.   
     
     
         16 . The method of  claim 15 , wherein providing the tubular connecting part comprises:
 press forming a tubular precursor with a concentric cross-section to obtain the tube wall with a rotationally symmetrical cross-section comprising the plurality of comb-shaped support points and the at least one curved wall area, wherein the press forming comprises a circumferential action of a plurality of jaws of a forming tool on the tubular precursor.   
     
     
         17 . The method of  claim 15 , wherein the soldering comprises:
 heating the tubular connecting part to melt the solder, molten solder being received in the at least one gap during the soldering, wherein a resulting soldered connection connects the tube wall to the receiving wall in a fluid-tight manner after the solder has hardened.   
     
     
         18 . The method of  claim 15 , wherein the soldering comprises:
 heating the receiving part to melt the solder, molten solder being received in the at least one gap during the soldering, wherein a resulting soldered connection connects the tube wall to the receiving wall in a fluid-tight manner after the solder has hardened.   
     
     
         19 . The method of  claim 15 , further comprising:
 arranging the solder between the tubular connecting part and the receiving part.   
     
     
         20 . The method of  claim 19 , wherein the soldering comprises:
 melting the solder arranged between the tubular connecting part and the receiving part, wherein molten solder is received in the at least one gap based at least in part on the melting.