Heat Exchanger, in Particular Charge-Air Cooler or Exhaust Gas Cooler for an Internal Combustion Engine of a Motor Vehicle

Abstract

The invention relates to a heat exchanger, in particular a charge-air cooler or exhaust gas cooler for an internal combustion engine of a motor vehicle, having a first tank ( 2 ), having a second tank which is arranged at a distance from said first tank ( 2 ), and having a plurality of tubes ( 10 ) which serve to flow-connect the first ( 2 ) and the second tank, and having a chamber ( 38 ) which can be traversed by a coolant, which chamber ( 38 ) is provided between the two tanks ( 2 ) and through which chamber ( 38 ) run a plurality or all of the tubes ( 10 ) which serve to flow-connect the two tanks ( 2 ), wherein at least one of said two tanks ( 2 ) has a cover ( 12 ) and a base ( 14 ) which is connected to said cover ( 12 ) and is provided with one or more first passage openings ( 16 ) for receiving the tubes ( 10 ), wherein said base ( 14 ) has at least one first groove ( 58 ) into which a wall section ( 66 ) of the cover ( 12 ) of said same tank ( 2 ) extends.

1 . A heat exchanger, in particular charge-air cooler or exhaust gas cooler for an internal combustion engine of a motor vehicle, having a first box and a second box which is arranged spaced apart from said first box, and having a plurality of pipes by means of which the first box and the second box are fluidically connected, and having a chamber through which a coolant can flow and which is provided between the two boxes and through which a plurality of, or all of, the pipes, via which the two boxes are fluidically connected, extend, wherein at least one of said two boxes has a lid and a bottom which is connected to this lid and is provided with one or more openings for holding the pipes, wherein this bottom has at least a first groove into which the lid and a wall section of the lid of the same box extends. 
     
     
         2 . The heat exchanger, in particular charge-air cooler or exhaust gas cooler for an internal combustion engine of a motor vehicle, having a first wall and a second box which is arranged spaced apart from said first box, and having a plurality of pipes by means of which the first box and the second box are fluidically connected, and having a chamber through which a coolant can flow and which is provided between the two boxes and through which a plurality of, or all of, the pipes, via which the two boxes are fluidically connected, extend, wherein at least one of said two boxes has a lid and a bottom which is connected to this lid and is provided with one or more openings for holding the pipes, wherein the lid or a wall section of the lid is in contact, at least in certain portions, with the bottom and a covering. 
     
     
         3 . The heat exchanger as claimed in  claim 1 , wherein at least one covering, in particular covering plate, is provided for bounding the chamber, and the bottom has at least a second groove into which a wall section of the covering extends. 
     
     
         4 . The heat exchanger as claimed in  claim 1 , wherein the chamber is bounded on two sides lying opposite one another by means of pipes which are embodied as flat pipes and via which the first box is fluidically connected to the second box, and the chamber is bounded on two further sides by means of a covering, in particular a covering plate, which sides are opposite one another and, in particular, are positioned transversely with respect to the planes formed by said flat pipes, and extend between the boxes. 
     
     
         5 . The heat exchanger as claimed in  claim 4 , wherein the chamber is bounded by the boxes on the sides lying opposite one another in the direction of the longitudinal extent of the pipes, to be precise in particular by a bottom of the first box on one of said two sides lying opposite one another in the direction of the longitudinal extent of pipes, and by a bottom of the second box on the other of said two sides lying opposite one another in the direction of the longitudinal extent of the pipes. 
     
     
         6 . The heat exchanger, in particular charge-air cooler for an internal combustion engine of a motor vehicle, having a first box and a second box which is arranged spaced apart from first box and having a plurality of pipes by means of which the first box and the second box are fluidically connected, wherein at least one of said two boxes has a lid and a bottom which is connected to said lid and is provided with one or more first openings for holding pipes, in particular according to  claim 1 , wherein this bottom has at least a first groove into which a wall section of the lid of the same box extends and/or said bottom is embodied in such a way that the lid of said box has at least a third groove into which a wall section of the bottom of this box extends. 
     
     
         7 . The heat exchanger as claimed in  claim 1 , wherein the groove and/or first groove and/or the second groove is/are a peripheral groove, in particular in an edge region of the bottom, or an essentially peripheral groove. 
     
     
         8 . The heat exchanger as claimed in  claim 1 , wherein the groove and/or the first groove and/or the second groove is a groove which is embossed or impressed into the bottom, said groove being in particular a peripheral or essentially peripheral groove. 
     
     
         9 . The heat exchanger as claimed in  claim 1 , wherein the bottom has, on its side facing away from the lid of the same box, at least a first profile elevation, in particular a first profile elevation which runs around in the outer edge region of the bottom. 
     
     
         10 . The heat exchanger as claimed in  claim 9 , wherein the first profile elevation is constructed by embossing or impressing the first groove into the bottom. 
     
     
         11 . The heat exchanger as claimed in  claim 1 , wherein the first profile elevation of the bottom of the first box is spaced apart transversely, in particular perpendicularly, with respect to the direction of the longitudinal extent of the pipes, by the pipe block which is formed by the pipes, in particular flat pipes, with the result that at least a first intermediate space is formed between this pipe block and this first profile elevation transversely, in particular perpendicularly, with respect to the direction of longitudinal extent of the pipes, wherein at least one covering, in particular covering plate, is provided for bounding the chamber, and wherein a wall section of this covering extends into this first intermediate space. 
     
     
         12 . The heat exchanger as claimed in  claim 11 , wherein the wall section, extending into the first intermediate space formed between the pipe block and the first profile elevation, of the covering bears essentially against said pipe block and/or against said first profile elevation. 
     
     
         13 . The heat exchanger as claimed in  claim 3 , wherein the bottom has, on its side facing the lid of the same box, at least a second profile elevation, in particular a second profile elevation which runs around in the outer edge region of the bottom. 
     
     
         14 . The heat exchanger as claimed in  claim 13 , wherein the second profile elevation is constructed by embossing or impressing the second groove into the bottom. 
     
     
         15 . The heat exchanger as claimed in  claim 13 , wherein the second profile elevation is spaced apart transversely, in particularly perpendicularly, with respect to the direction of the longitudinal extent of the pipes, by the pipe block formed by the pipes, in particular flat pipes, with the result that at least a second intermediate space is formed between said pipe block and said second profile elevation, transversely, in particular perpendicularly with respect to the direction of the longitudinal extent of the pipes, wherein at least one covering, in particular covering plate, is provided for bounding the chamber, and wherein a wall section of the lid extends into said second intermediate space. 
     
     
         16 . The heat exchanger as claimed in  claim 15 , wherein the wall section, extending into the second intermediate space formed between the pipe block and the second profile elevation, of the lid bears essentially against said pipe block and/or against said second profile elevation. 
     
     
         17 . The heat exchanger as claimed in  claim 1 , wherein the bottom has one or more second openings which are different from the first opening or openings, and the lid has, on its side facing the bottom, one or more projections, in particular clips, each of which extends into or through a second opening. 
     
     
         18 . The heat exchanger as claimed in  claim 1 , wherein the at least one second opening is provided in the at least one first groove, to be precise in particular in the groove base of this at least one first groove. 
     
     
         19 . The heat exchanger as claimed in  claim 1 , wherein the bottom is of essentially flat or planar construction. 
     
     
         20 . The heat exchanger as claimed in  claim 1 , wherein the heat exchanger is essentially composed completely of aluminum. 
     
     
         21 . The heat exchanger as claimed in  claim 1 , wherein the heat exchanger has at least one cutout, in particular a plurality of cutouts. 
     
     
         22 . The heat exchanger as claimed in  claim 21 , wherein the cutout has a width and a length.