DE102005031475A1 - Heat exchanger box for vehicle cooling system has cover with at least one recess into which at least one end wall extends - Google Patents

Abstract

The heat exchanger box receives a coolant for a heat exchanger (1). The box has two side walls (22, 22a), two end walls (26, 28, 26a, 28a), a cover (18, 18a) and the bottom (20) opposite the cover with one or more apertures for receiving flat connecting tubes the cover has at least one recess into which at least one end wall extends.

Description

The Invention relates to a heat exchanger, a box for receiving a fluid for a heat exchanger and method for Production of such a box.

From the EP 1 139 054 B1 a box for receiving fluid for a heat exchanger is known. This known box has a bottom with receiving slots for connecting pipes or flat tubes and a lid arranged opposite this floor. This cover is formed integrally with the two end walls.

Of the Invention is the object of a cost and easy to create fluid box for a heat exchanger to create.

In particular, according to the invention a box for containing a fluid according to claim 1 or claim 19 proposed. An inventive heat exchanger is the subject of Claim 31. A method of making a fluid box for one Heat exchanger is the subject of claim 32. Preferred developments are Subject of the dependent claims.

In particular, according to the invention proposed a box for receiving a fluid. This fluid is preferably coolant, why the box, without this being a limitation, also as a coolant box referred to as. This coolant box is preferably for a heat exchanger determines how heat exchangers of a motor vehicle. The coolant box has two side walls, two end walls, a lid and a bottom. It is especially provided that the side walls spaced and preferably arranged parallel to each other. The same applies to the end walls. Also, the lid and the bottom are in particular spaced from one another arranged. The floor has one or more receiving openings for pipes on. These are in particular connecting pipes. The pipes can, for example be designed as flat tubes and part of a tube-rib block be.

It can be provided that for each separate pipe provided a separate opening in the bottom is. But it can also be a large opening to Inclusion of all Tubes of the tube-fin block may be provided.

It is provided in particular that the addressed end walls, the addressed side walls, the bottom and the lid define the interior of the coolant box.

in the Cover is provided at least one recess into which a Wall stretches. This wall preferably extends with their Ends in this depression. The wall is especially transverse to the sidewalls aligned. The wall is in a particularly preferred design a Front wall of the coolant box. It is particularly preferred that several such depressions are provided. It can be provided, for example, what is special it is preferred that for each of the two end walls such a recess is provided in the lid. The depression (s) of the lid, which serve to receive a respective wall, are especially breakthrough trained.

Further can be provided that alternatively - or in addition - a recess in the lid is provided, in which extends a partition, which the Interior of the coolant box divided into sub-chambers. Below we simplify the recess spoken, it being noted that in preferred Design a plurality of wells are provided, in particular one or more recesses for the end walls of the Coolant reservoir.

The Recess is preferably in the manner of a bead or as a bead educated. The wall, so in particular end wall or partition, preferably extends into the recess that the wall - in the longitudinal direction of the coolant box seen - in at least one, but more preferably in both orientations of the depression is supported. A recess is formed in particular as a return. It can but also be provided that a depression is formed so that two spaced projections are provided, between which then the depression is formed, in particular with respect to these projections.

The Cover recess for Aufnahe a wall can also be used as a groove or groove shape be designed.

In a particularly preferred embodiment, the depression has one or more run-on slopes. In particular, it can be provided that the boundaries of the depression situated in the longitudinal direction of the coolant box converge towards one another in the depth direction of this depression. The cross-section of this depression, which is formed in particular by the abovementioned boundaries or by means of these boundaries, may for example be elliptical-segment-shaped or semicircular or triangular or polygonal or rectangular or square, whereby the shapes of this depression should not be restricted. It Therefore, other forms of depression are preferred, although it should be noted that in a particularly preferred design run-on slopes are given.

A such a depression may be rounded, for example, in particular in cross section. The depression can, for example, on the entire width of the lid or substantially over the entire width of the Cover extend. It is also preferable that they are essentially above the entire width extends that - in longitudinal direction seen the depression - laterally, however Wall sections or webs remain standing. It can, for example be provided that the lid has tabs or sections, the end walls embrace. The lid preferably has a transverse direction to the longitudinal direction seen in the essential U-shaped Cross-section on. The longitudinal direction is In particular, the direction extending from the one end wall of the Coolant reservoir to the other end wall of the coolant box extends.

In preferred design, the lid is designed in cross-section U-shaped, so that two spaced apart flanges are formed, one above the other lying connecting portion are connected. This U shape can for example, from vertical or approximately vertical sections be formed. Rounded designs are also preferred. In particularly preferred design extending from the flanges the U-shape, which are also referred to as legs, tabs, the particularly preferably arcuate are shaped. These tabs preferably surround the side walls of the Coolant reservoir. It can preferably be provided that the lid so in the Part of the coolant box is inserted, that the flanges in the bottom of the coolant box protrude from the connecting portion and away connect at the ends located in this direction the tabs, the then to the outside are bent over so that they surround the side walls of the coolant box from the outside. It is particularly provided that - in the longitudinal direction of the coolant box seen - several spaced such tabs are provided on the lid.

In In a particularly preferred embodiment, the lid is integrally formed and from a one-piece Part, especially sheet metal, made. The lid is particular separate from the side walls, the end walls and the floor made.

These Side walls, these end walls and this floor are preferably also integrally formed as a unit and from a one-piece Part, in particular one-piece Sheet metal, made.

The transition from the floor to the end walls is preferably in one piece formed, and particularly preferably free of connecting means, like solder joints or similar. The end walls are particularly preferably bent from the ground.

Of the The floor is preferably arched educated.

According to the invention is further in particular a box for holding a fluid, such as coolant, according to claim 19 proposed.

This Box is for a heat exchanger determined or may be part of a heat exchanger be. The box is especially for motor vehicles or for heat exchangers determined by motor vehicles. The box has a lid, and one on the opposite side of the lid of this box arranged ground. In this floor is one or more openings intended for receiving pipes. These pipes are in particular Verbindungsbzw. Flat tubes. These tubes can, for example, the box with a further box of the same heat exchanger fluidic connect or lead into deflection sections. The box also points several walls on, which is essentially transverse to this cover and across this Floor are arranged. These walls can for example, perpendicular to this cover and / or perpendicular to be arranged this floor.

A first wall of these walls, essentially transverse to this lid and / or to the floor are arranged, has at least one recess, in which a third wall extends or engages, in particular with a border area of this third wall.

Further has a second wall of these walls, essentially transverse to this lid and / or to the floor are arranged, at least one recess, in which the third Wall also extends or also engages, namely in particular with an edge region of this third wall.

In Advantageous embodiment, the third wall extends substantially transverse to the first wall and substantially transverse to the second wall. For example the third wall can be perpendicular to the first wall and perpendicular to the first wall be arranged second wall.

It is provided in particular that the first wall spaced from the second wall is positioned. For example, the first one Wall spaced and positioned parallel to the second wall.

The third wall is in an advantageous development of a wall of the walls, the essentially transversely or perpendicular to this cover and / or to the Ground are arranged

It is provided in particular that the third wall with one of two opposite ends this third wall extends into a recess of the first wall or engages there, and with the opposite end in the recess of the second wall extends or engages there.

It is according to one particularly preferred embodiment provided that the third wall trapped in the depression of the first and the second wall, and in particular in each case with respect to a transverse or vertical to the third wall level. It can be provided that this "captivity" of the third wall effected in the recesses of the first and the second wall or allows is that these depressions interact with the ground in one substantially transverse or perpendicular to the third wall extending level substantially are closed. This can for example be that on the the bottom side facing the respective recess of the first or the second wall of this floor a stop for the third Wall forms, and that in the direction of the lid and transverse or vertical to the third wall in both orientations the boundary wall sections the depressions stops for the form third wall.

In advantageous embodiment is provided that the recess the first wall and / or the recess of the second wall as a groove or as imprinted Beading is formed. In a preferred embodiment are the addressed first wall and the addressed second wall respectively the Side walls, and opposite Side walls, of the box.

It can also be provided that the first wall and the second wall each end walls, and though opposite End walls, of the box.

In Advantageous embodiment, the third wall is a partition, by means of which the interior of the box divided into sub-chambers is.

Further it can be provided that the first wall has a side wall or end wall of the box, and the second wall is a partition of the box, with which the interior of the box in different chambers is divided.

According to one advantageous development is provided that of the walls, the essentially across the lid of the box and across the floor of the box are arranged, a wall a fourth wall, a wall a fifth Wall is and a wall is a sixth wall. In this advantageous Further education is provided in particular that this sixth wall transverse, preferably perpendicular, to the fourth wall and across the fifth wall is arranged. It is provided in particular that the fourth Wall and this fifth Wall each have at least one recess and the sixth Wall in this depression of the fourth wall and in this depression the fifth Wall extends and engages respectively in the mentioned recesses.

It is particularly provided that the first wall, the second wall as well as the third wall are different walls. In appropriate Way is provided in particular that the fourth wall, the fifth wall and the sixth wall are different walls.

Further can be provided that none of the first, the second and the third wall with one of the fourth, the fifth and the sixth wall is identical.

Prefers however, alternatively, the fourth wall is the third wall is. This can for example be such that the first wall and the second wall side walls of the box, and the third wall is a partition of this box is, by means of which the box divided into different chambers becomes. It can then be provided that the fifth wall one end wall of the box is and the sixth is in the recess extending with the third wall identical fourth wall and a partition is by means of which the interior of the box in different chambers is divided.

In Accordingly, it can be provided that the first and the second wall is an end wall of the box, the third wall a partition of the box is, with which the interior of the box divided into different sub-chambers, and the fifth wall a side wall of the box, wherein the sixth wall is a partition wall is, by means of which the box in different sub-chambers is divided, and wherein the third wall with the fourth wall is identical.

In an advantageous embodiment, the first wall, the second wall and the third wall or the fourth wall, the fifth wall and the sixth wall each have relatively narrow, circumferential edges as well as lying transversely thereto, relatively large areas of their surface. The mentioned recesses, which are provided in the first wall and the second wall or the fourth wall and the fifth wall, are preferably in the large surface portions, the transversely to the peripheral edge are provided.

In Particularly preferred design is provided that the first Wall and the second wall of the box in each case with one piece connected to the bottom of the box. This can be especially so be that the first wall and the second wall as well as the floor off a part - like For example, sheet metal - made are. This can for example be such that the sheet under formation this first and second wall and deep drawn to form this soil is, and is made in a bending process.

In an advantageous embodiment of the invention, the third Wall two opposite each other margins or side edge portions or narrow sides, which are substantially transversely to the lid and transversely, preferably substantially perpendicular, to Floor of the box extend, and one of which - especially completely - in the Deepening of the first wall extends, and of which the other is - in particular completely - in the Groove of the second wall extends.

It but can also be provided that two opposing margins or side edge sections or narrow sides of the third wall respectively form projections, with the projection facing the one of these two margins or side edge sections or narrow sides is formed, in the recess of the first wall extends, and wherein the projection, in the other of these two opposite side edges or Side edge portions or narrow sides of the third wall is formed, extends into the recess of the second wall. It can be provided be that the two mentioned opposite side edges or side edge sections or narrow sides of the third wall additionally form sections, which do not extend into the recess of the first and second walls.

In corresponding manner can be provided that the sixth wall on two opposite margins or side edge sections or narrow sides forms projections, which extend into the recess of the fourth and fifth wall, wherein these opposite Side edges or Side edge sections or narrow sides of the sixth wall sections have, which do not extend into the mentioned wells.

Also with regard to the third wall, however, it may be provided that the one of two opposite margins or narrow sides - in particular completely - in one Deepening of the fourth wall extends and the other of these two opposite margins or narrow sides of the sixth wall are - in particular completely - in one Deepening of the fifth Wall stretches.

In Advantageous development is provided that the bottom of the box has at least one recess, wherein the third wall extends into this depression of the soil. It can, for example be provided that this depression provided in the ground is, as a groove or as a stamped Beading is formed.

In particularly preferred design extends the depression, the for the reception of the third wall is provided in the first wall and / or the depression that for the reception of the third wall is provided in the second wall and / or the depression that for the inclusion of the third wall is provided in the ground, essentially linear.

In In a particularly preferred embodiment, it is provided that the lid of the box has a recess and the third Wall extends into this recess of the box. Next can do it be provided that the lid further comprises a recess, in which the first wall extends, as well as a depression, in which the second wall extends. If the addressed fourth, fifth and sixth wall, it may further be provided that the lid for holding these walls also has corresponding recesses. The addressed Wells in the lid for the inclusion of the addressed walls can be provided, for example each be configured as a bead or embossed groove.

at Such a design can be provided, for example, that the first wall and the second wall respectively side walls of the Are boxes. In combination, it may further be provided that the two opposite end walls also extend in each case a recess of the lid.

It but can also be provided that the first wall and the second Wall are each an end wall of the box. In such a Design can also be provided that the opposite side walls each extending into a recess of the lid.

The addressed recesses of the lid can each grooves in particular or beads or the like.

In particularly preferable Ausgestal tion is provided that the peripheral edge or the narrow sides of the third wall extending circumferentially substantially completely in recesses. This may in particular be such that depressions are respectively provided in the first wall, the second wall, the bottom and the lid, which are so circumferentially closed in cooperation, wherein the third wall extends circumferentially substantially completely in this recess arrangement.

It can be provided that the recess of the first wall as well the second wall, which are respectively provided for receiving the third wall, located in one level. This can in particular be a plane which is transversely, preferably perpendicular, to the direction of extension - in particular Longitudinal direction - of the soil is located.

Provided also the bottom and / or the lid each wells for recording Having the third wall, it can be provided that the recesses in the first wall, in the second wall, as well as in the floor and / or Lid for receiving the third wall are provided, in a plane are located.

It can be provided that the depressions in the first wall, in the second wall as well as in the bottom and / or in the lid for receiving the third wall are provided, are formed contiguous.

In Preferred design is provided that the recess or Beading in the first wall for the inclusion of the third wall is provided by the lid facing away from the first end wall of this first wall. Further is preferably provided that the recess or bead, in the second wall is provided for receiving the third wall, from which the lid facing the end of this second wall is spaced. For example, it can be provided that addressed depressions or beads - like addressed - by the lid facing the end of the first and second wall are spaced and going from her closest end to this end essentially to the bottom of the end facing the first or second wall. It is further preferred that the mentioned Depressions or beads in the region of the bottom into a depression or go over bead, the is provided in the bottom, so that the depressions or beads of the first wall, the floor and the second wall in cooperation one (in cross section) substantially U-shaped recess or bead form. It is particularly preferred that further in the lid provided a recess or bead for receiving the third wall is. This is preferably such that the depression or bead of the Lids, the recess or bead of the first wall, the recess or bead of the soil and the depression or bead of the second Wall in cooperation a circumferentially closed recess or surround form, in which circumferentially - preferably completely closed - the edge regions extend the third wall and in which they are received.

It but can also be provided that the depressions or beads, in the first wall and the second wall for receiving the third wall are provided, until each of the lid facing the end of concerned wall and in a local end section in Essentially staircase or possibly also formed with bevels. This may be such that projections on the third wall on opposite sides - preferably two projections each - attached so that these projections over this stepped Deepening or beading are performed can. It can be provided that a paragraph is provided so that the respective upper projection of the third wall at the end of the insertion so in the recess or bead is pivoted, that the third wall or partition wall substantially perpendicular to the longitudinal direction of the Is aligned. If necessary, she can do this over the Interaction of the projections with the mentioned staircase-shaped Recesses or beads, in particular step-shaped sections of the bead, be jammed.

In However, an advantageous embodiment is provided that the third wall in the recess of the first and the second wall respectively engages in the manner of a snap connection. This can be like that the first and the second wall and the bottom formed in one piece are, the first and second wall, which in particular also at a such a design can be referred to as bottom flanks, opened or bent to the third wall in said recesses or to be able to take or absorb beads, wherein the third wall and then snap back the first and second walls, and thus the third wall catch in the recesses or beads mentioned.

Prefers is further that the third wall in cooperation with the depressions or beads of the first and the second wall a snap connection train, and that over additional Connecting means, such as welded joint or soldered connection, the third wall is held on the first and second walls.

In a particularly preferred embodiment, it is provided that the third wall a Has tab which extends through a passage opening of one of the box outwardly bounding walls or the lid of this box to the outside, and thus indicates that a third wall or partition has already been installed.

According to the invention is further in particular a heat exchanger according to claim 31 proposed, which is in particular a radiator for a motor vehicle.

Further is in accordance with the invention in particular Method according to claim 32 proposed.

in the Following are exemplary embodiments of the Invention explained with reference to the figures become. It shows:

1a an exemplary heat exchanger according to the invention, which is designed as a cooler, with an exemplary box according to the invention for receiving a fluid, which is here a coolant box;

1b the heat exchanger according to 1 in a view from above;

1c a side view of the heat exchanger according to 1 ;

2a a unit of a coolant box of the heat exchanger according to 1 having two side walls, two end walls and a bottom in plan view of one of the two side walls;

2 B the unit according to 2a in plan view of the ground;

2c the unit according to 2a in plan view of the other of the two side walls;

2d a partial sectional view taken along the line AA 2 B ;

2e a (sectional) view of the design according to 2a from the right;

2f a sectional view taken along the line BB 2 B ;

3a an exemplary design of a lid of a box according to the invention in side view, said design of the lid in particular in the design according to 1a to 3k given is;

3b the lid according to 3a in plan view;

3c the lid according to 3a three-dimensional oblique view from below;

3d a section along the line CC 3a ;

3e a section along the line DD 3b in partial view;

3f a section along the line EE 3b ;

3g a section along the line FF 3a ;

3h a section along the line GG 3a ;

3i an oblique view of a tabbed portion of the lid according to 3a from above;

3k an enlarged section 3a ;

4 a section of an exemplary box according to the invention, the design according to 4 also in the design according to the 1a to 3k can be given;

5 a plan view of the design according to 4 ;

6 a section of an exemplary box according to the invention, the design according to 6 also in the design according to the 1a to 3k can be given and / or with a design according to the 4 and 5 can be combined; and

7 a section of an exemplary box according to the invention, the design according to 7 also in the design according to the 1a to 3k can be given and / or with a design according to the 4 and 5 can be combined.

8a an exemplary box according to the invention for receiving a fluid for a heat exchanger, wherein the lid is removed in the box, in a schematic exploded view or with the partition prior to assembly;

8b the design according to 8a with grid partition;

8c a bottom section or a section through the bottom and the side walls of the design according to 8b ;

8d a bottom section or a section through the bottom and the side walls of the design according to 8b in the area in which the bead is provided for receiving the partition wall;

9a the partition from the design according to 8a respectively. 8b ;

9b a side view of the partition off 9a ;

10a a frontal view of the in 8a respectively. 8b removed cover of the box2;

10b a three-dimensional oblique view of the lid according to 10a ;

10c a section along the line Xc-Xc 10a in rotated by 90 ° view;

10d a section along the line Xd-Xd 10a in rotated by 90 ° view;

10e a section along the line Xe-Xe 10a in rotated by 90 ° view;

10f a section along the line Xf-Xf 10a ;

10g a section along the line Xg-Xg 10a ;

10h an oblique view of a tabbed portion of the lid according to 10a from above; and

11 a section through the box according to 8b in which the lid according to the 10a to 10h is provided in the area of the partition wall.

The 1a to 3k show an exemplary embodiment of a heat transfer according to the invention 1 with a box according to the invention for receiving a fluid. This box for receiving a fluid is in particular a coolant box, so that in the following for simplicity is spoken by the coolant box.

The heat exchanger 1 has a first coolant box 10 and a second coolant box spaced therefrom 12 on, as well as a tube and rib block 14 that between these chiller boxes 10 . 12 is arranged.

The tube-rib block 14 has a plurality of parallel aligned connecting tubes, which are designed in this example as flat tubes, on. Between these connecting tubes are - formed transversely to their longitudinal direction - tube spaces in which ribs are arranged in a known manner, in such a way that the tube-fin block is transverse to the plane formed by the tube assembly of air flowed through.

The connecting pipes of the pipe-rib block 14 each open with a first end in the first coolant box 10 and with its second end into the second coolant box 12 ,

The coolant boxes 10 . 12 each have a first unit 16 respectively. 16a on, as well as a lid 18 respectively. 18a ,

The first unit 16 respectively. 16a points to the lid 18 respectively. 18a opposite side of a floor 20 respectively. 20a on. Further, the first unit 16 . 16a a first side wall 22 respectively. 22a , one of those first sidewalls 22 . 22a opposite second side wall 24 . 24a , one the interior of the coolant box 10 respectively. 12 in a first orientation of his (by the double arrow 30 indicated) longitudinal limiting first end wall 26 respectively. 26a as well as this interior of the first one 10 or second coolant box in the opposite orientation (this longitudinal direction 30 ) limiting second end wall 28 respectively. 28a on. Also the side walls 22 . 24 respectively. 22a . 24a as well as the ground 20 respectively. 20a limit the interior of the coolant box 10 respectively. 12 ,

Furthermore, the interior of the coolant box 10 respectively. 12 , from the lid 18 respectively. 18a limited.

In the embodiment according to the 1a to 3k is what may be different, the heat exchanger 1 , which is also referred to as a cooler or can be designed functionally divided into two (part) cooler or (part) heat exchanger. For this purpose, is in the longitudinal direction 30 seen at the same height in the two coolant boxes 10 . 12 , each transverse to this longitudinal direction 30 a partition 32 respectively. 34 intended. There may also be other, in the coolant boxes 10 . 12 at different heights in the longitudinal direction 30 arranged partition walls may be provided (which are not shown in the figures), which cause a serpentine deflection of the coolant.

It can be provided, for example, that the upper part cooler in 1a Part of a high-temperature cooling circuit is and the lower part cooler 38 Part of a low-temperature circuit is.

In the first coolant box 10 as well as in the second coolant box 12 each opens a main nozzle 40 respectively. 42 , using one of these main nozzle 40 . 42 Coolant in the upper part cooler 36 can flow in and being over the other of these nozzles 40 . 42 the coolant from the upper part cooler 36 can escape again.

Correspondingly, the lower part cooler 38 one in the first coolant box 10 opening nozzle 44 and one in the second coolant box 12 opening nozzle 46 on, also here by one of these nozzles 44 . 46 Coolant in the lower part cooler 38 can flow in and through the other of these nozzles 46 . 44 from this lower part cooler 38 can flow out.

In the area of the first coolant box 10 is also a drain plug 48 provided for draining coolant. Furthermore, in the region of the first coolant box 10 , here in the area of the upper end, a neck 50 intended for + filling with coolant and / or venting.

1b shows a plan view of the design according to 1a from above. 1c shows a side view of the design according to 1a from the left.

The 2a to 2f show different views of the first coolant box 10 or the first unit 16 this first coolant box 10 ,

The 2a and 2c show a plan view of the side walls 22 respectively. 24 from the outside. 2 B shows a plan view of the ground 20 from the outside.

In 2a and 2c can be taken well that the ground 20 is formed wavy.

2 B clearly shows that in the bottom slit-shaped openings for receiving the flat tubes of the tube-fin block 14 are provided.

The 2a and 2c can - as well as the 1a - Also be taken good that the pipe-rib block 14 opposite end of the side walls 22 . 24 is substantially substantially straight, and in the region in which the main nozzle is arranged, has a bulge. This bulge is provided in particular, since the main nozzle 40 is dimensioned accordingly large.

The 2a and 2c can be seen that the partition 32 not up to the tube-rib block facing away from the end of the side walls 22 . 24 extends. Nevertheless, this partition divides 32 the interior 62 of the coolant box 10 in two sub-chambers 64 . 66 , This is made possible because of the 2a to 2f cover not shown so far in the first unit 16 is pushed so that he is on this partition 32 essentially rests.

2d shows a sectional view taken along the line AA 2 B in partial view. 2e shows a side view and a corresponding sectional view of the design according to 2a from the right. 2f shows a sectional view taken along the line BB 2 B , There is good to see that the ground 20 arched is formed.

In 2d It is easy to see that in the longitudinal direction 30 undulating and between the side walls 22 . 24 arched trained ground through its wave profile insertion bevels for the flat tubes of the tube-fin block 14 forms. The slots 60 are arranged substantially in the region of the lower points of the wave profile - seen from the outside. The wave structure also achieves a certain stiffening effect in the region of the bottom.

In 2d can be seen that the transition area 68 between the ground 20 and the front wall 26 respectively. 28 is integrally formed. Through the dashed area 70 is schematically indicated that in the context of manufacturing the end walls 26 . 28 be folded up or bent up. The end walls 26 . 28 can, for example, against a stop or against an end face, in particular end face of the side walls 22 . 24 to be bent.

The 2c and 2d can also be taken well that the end walls 26 . 28 in their side walls 22 . 24 facing end portions each side tabs or lists 72 exhibit. These tabs 72 stand in the longitudinal direction 30 or in the direction of the side walls 22 . 24 from the front wall 26 respectively. 28 off and become, for example by means of Lotplattieren on the side walls 22 respectively. 24 soldered outside or inside. Alternatively, it can also be provided that such tabs 72 on the side walls 22 and 24 are each provided at the appropriate location and these tabs are bent so that they extend in the direction of the end wall plane and soldered to the corresponding end wall - in particular by means of Lotplattieren.

The 3a to 3k show an exemplary cover of the coolant box 10.

It shows the 3a a side view of the lid 18 . 3b a plan view of the lid 18 . 3c a three-dimensional view of the lid 18 from underneath, 3d a sectional view taken along the line CC 3a . 3e a partial sectional view taken along the line DD 3b . 3f a sectional view taken along the line EE 3b . 3g a sectional view taken along the line FF 3a and 3h a sectional view taken along the line GG 3a ,

3i shows an oblique plan view of the lid according to 3a in the region of ends of the legs arranged tabs. 3k shows an enlarged section in the area 80 out 3a ,

The lid 18 points in the longitudinal direction 30 Seen a substantially U-shaped cross section, which is good in the 3c . 3d . 3f . 3g . 3h and 3i can be seen.

This U-shape is approximately rectangular and is formed by two spaced legs 82 . 84 , which may also be referred to as flanges, and a connecting portion connecting these two legs 86 educated.

This lid 18 will be on the ground 20 opposite side of the first unit 16 so used that the connecting section 86 this floor is facing and the thighs 82 . 84 in Bodenabgewandter direction of the connecting portion 16 protrude.

From the thighs 82 . 84 of the U-shaped profile extend a plurality of tabs 88 ,

These tabs 88 are designed arcuate in the embodiment. The tabs 88 extend from the connection area 86 opposite ends of the legs 82 . 84 , in particular bent, to the outside. These tabs 88 But can also have a bent course instead of a curved course. In the tabs 88 become end sections of the sidewalls 22 . 24 added. In the area of these tabs, the side walls 22 . 24 be soldered to the lid, in particular by solder plating. In particular, the lid is soldered to the first unit in such a way that a tight connection is produced, wherein in particular the method of solder plating can be used.

The tabs 88 are in the longitudinal direction 30 Seen spaced apart from each other, so that in this longitudinal direction 30 between adjacent tabs 88 strap-free areas on the thighs 82 . 84 be formed.

The tabs 88 sit on the thighs 82 . 84 such that the lid can be made of sheet metal.

Due to the size of the opening 40 the lid has a bulge, which essentially follows the course of the side walls 22 . 24 is adjusted. The lid also has recesses 90 . 92 . 94 on. These depressions extend transversely or perpendicular to the longitudinal direction 30 almost through the entire lid.

The wells 90 . 92 serve to receive the end walls 26 . 28 , These depressions 90 . 92 have run-on slopes, which favor the insertion of the end walls and / or allow centering. The wells 90 . 92 support the end walls 26 . 28 longitudinal 30 off, in particular on both sides or in both orientations.

The depression 94 , which here has a substantially rectangular cross-section, but may alternatively be provided with run-on slopes, or arched, serves to accommodate the partition 32 , The wells 90 . 92 . 94 facilitate in particular the soldering process by the corresponding Stirnbzw. Partitions can be introduced there and then can be soldered. This embodiment may be suitable for a complete soldering, that is, the entire heat exchanger is soldered in one operation, the soldering is simplified, for example, by a Lotplattierung some or all parts.

As 3k can be taken well, run the wells 90 . 92 in this embodiment, a tab-like portion 96 out, the front wall 26 respectively. 28 from the outside surrounds. This tab-like section 96 is designed so that it is substantially at the corresponding end wall 26 respectively. 28 first applies and then the free end projects obliquely from this end wall, so that a gap between the free end and the corresponding end wall is given, which favors the soldering.

The wells 90 . 92 respectively. 94 , which are in particular beads or beads with insertion bevels, can serve in particular the fixation and / or the clearance compensation of the end walls.

The 4 . 5 . 6 and 7 show some exemplary detail of an exemplary coolant box according to the invention 10 respectively. 12 , It should be noted that the designs according to the 4 to 7 also in the embodiment according to 1a to 3k can be given.

4 shows a side view of a partially completed first unit 16 , There are in particular the opposite side walls 22 and 24 shown, as well as the ground 20 that is arched here. This one-piece unit 16 is formed from a sheet that was first punched and where the side walls 22 . 24 umgebo were. Before bending the side walls or after bending the side walls became the ground 20 formed in a forming process, such as deep-drawing, whereby other forming processes such as hydraulic forming or simple drawing, embossing and / or bending come into question. This has a closed section 110 an end wall formed. In the area of the bend edge 112 is in this state of production of the image plane out a section that leads to the formation of the end wall 26 serves. This is good too 5 to recognize, which is a top view of the design according to 4 shows. The front wall shown there 26 does not have her ready mounted position there yet.

To the front wall 26 In the context of the manufacturing process, it is bent around the bending or bending edge 112 - in 5 upwards - bent, leaving them with their side flaps 112 . 114 at the front end of the side walls 22 . 24 strikes. These tabs 112 . 114 are then also bent, in such a way that they are substantially parallel to the end walls 22 . 24 are arranged and thus form areas for a solder joint with the end wall. As 5 good to see are in the areas 116 . 118 given triangular recesses, which are for example punched and allow for certain applications, a simplified bending.

The 6 and 7 show exemplary configurations of the wells 92 , where the recess 92 or beading 92 in the design according to 6 is formed approximately rectangular and in the design according to 7 is formed substantially approximately semicircular. There are run-on slopes - especially in the design according to 7 - Given these wells, which may also be part of the depression and the insertion of the end wall 26 facilitate. These depressions or beads 92 For example, they may be symmetrical, in particular, it may be provided that the end wall 26 in its fully established position - those in the 6 and 7 not yet shown - in view of this depression 92 are substantially centered. In the 6 and 7 are also the tabs 112 shown.

In the 6 and 7 is also good to see how the tabs 96 to the front wall 26 create embracing around their free ends

The box is preferred 10 . 12 of metal, in particular of aluminum.

The 8a to 11 show a further embodiment of a box according to the invention 130 for receiving a fluid. Also the box 130 For example, it may be a coolant box of a heat exchanger; the box 1 30 is therefore hereinafter referred to as a coolant box 130 designated.

It can be provided that the coolant box 130 Component of a heat exchanger or heat exchanger according to the invention - which may be a radiator for a motor vehicle, for example - is. For example, provided that no in the design according to the 1a to 1c the local first coolant box 10 and / or the local second coolant box 12 according to the Gestal direction of a coolant box 130 according to the 8a to 11 is modified, in particular with regard to the design and the reception or the receiving areas of the partition or the partitions.

In particular, it may also be provided that the method described below with reference to 8a to 11 explained, exemplary coolant box 130 in the design according to the 1a to 1c instead of the local coolant box 12 given is. In particular also against this background become in the consequences description of on the basis of the 8a to 11 explained coolant box 130 Used in the description of the coolant box 12 were used. Unless in the description of the basis 8a to 11 explained, exemplary coolant box 130 Reference numerals used for corresponding parts, areas or the like in the description of the coolant box 12 were not used, but in the description of the coolant box 10 , is within the description of the 8a to 11 to the corresponding, to the coolant box 10 Reference numerals attached to the letter "a".

The coolant box 130 has a floor 20a on, as well as a first sidewall 22a , a second side wall 24a , a first end wall 26a , a second end wall 28a and a lid 18a , Furthermore, the coolant box 130 a partition 34 on, by means of which the interior 62a of the coolant box 130 in sub-chambers or in two sub-chambers 64a . 66a is divided.

The 8a and 8b show this coolant box 130 , where the lid 18a removed or not shown in these two views. In the illustration according to 8a is the dividing wall 34 not mounted or exploded in relation to the remaining part of the design shown there; the partition wall is shown there before assembly. 8b shows the mentioned design without cover 18a with mounted or grid partition 34 ,

The lid 18a is the ground 20a gegenü Located in the overhead area 8a and 8b not visible, but for example in 11 , In the ground 20a are several openings 60a intended for receiving flat tubes. These openings 60a are designed as slot-shaped through holes and aligned with their longitudinal extension directions parallel to each other. The mentioned flat tubes, which are in particular flat tubes of a tube and fin block, are in the openings 60a inserted; Through these flat tubes, a flow connection between the coolant tank 130 and another coolant box.

The coolant box 130 has a main opening 132 for the entry or exit of fluid or cooling medium, as well as a further opening 134 for the entry or exit of fluid or cooling medium. The openings 132 . 134 may be part of the same coolant circuit or are flow connected within the heat exchanger or be part of various coolant circuits or be non-fluidly connected within the heat exchanger.

To the main opening 132 can - what in the 8a and 8b not shown - a main socket to be molded and to the wider opening 134 can - this is also not shown - also be formed a nozzle.

The first side wall 22a , the second side wall 24a , the first end wall 26a , the second front wall 28a as well as the partition 34 are each substantially transverse or perpendicular to the lid 18a aligned, as well as transversely or perpendicular to the ground 20a ,

It can be provided that the first side wall 22a spaced parallel and transversely to its direction of extension to the second side wall 24a is arranged.

The floor 20a is convexly curved. This is in particular such that in a transverse to the longitudinal direction of the coolant tank considered cross-section of the bottom 20a has a substantially constant radius, wherein the corresponding arc extends over less than 180 °; but this can also be different; for example, the floor can 20a be straight or have a different shape curvature.

A first wall 136 the substantially transverse or perpendicular to the lid 18a and / or across or perpendicular to the ground 20a arranged walls 22a . 24a . 26a . 28a . 34 has a recess 138 into which a third wall 140 - In particular with an edge portion - extends or engages.

A second wall 142 the walls, which are essentially transverse or perpendicular to the lid 18a and / or across or perpendicular to the ground 20a extend, has a recess 144 on, in the third wall 140 extends or engages.

The third wall 140 is transverse, preferably perpendicular, to the first wall 22a and transversely - preferably perpendicular - to the second wall 24a arranged.

In the embodiment, the third wall 140 the partition 34 , the first wall 136 the first side wall 22a and the second wall 142 the second side wall 24a ,

Distant is provided in the ground 20a a depression 146 is provided, in which also the third wall 140 - In particular with an edge region - extends.

The one in the first wall 136 provided recess 138 go into the ground 20a provided recess 146 above; those in the ground 20a provided recess 146 go into the second wall 142 provided recess 144 above.

This is good in the 8d to recognize that a cut through the side walls 22a . 24a as well as the ground 20a in the area of the partition 34 shows, where the partition 34 is not shown there.

8c shows a corresponding section at a location in the longitudinal direction 30a of the box 130 seen from the partition 34 is spaced.

The previously mentioned depressions 138 . 144 . 146 are formed in the embodiment as a bead. This bead 138 . 144 . 146 or these beads 138 . 144 . 146 are in the sidewalls 22a . 24a or in the ground 20a imprinted. The depressions or the beads 138 . 144 . 146 are to the interior 62a of the coolant box 130 open.

As in 8a , especially good though 8d , it can be seen, which extends into the ground 20a for receiving the partition 34 introduced depression or bead 146 essentially over the entire width of the floor on which the interior 62a facing side.

The in the sidewalls 22a and 24a introduced depressions or beads 138 respectively. 144 each extend from the ground 20a facing end 156 respectively. 158 the relevant side wall 22a respectively. 24a - In each case substantially continuously - in the direction away from the ground up to a point 148 respectively. 150 that from the ground 20a opposite end 152 respectively. 154 the relevant side wall 22a respectively. 24a beab is standing.

In the partition wall area so a circumferential recess or bead is embossed to the distance "a" from the edge above. This depression or bead has a depth "t". The depth "t" of the bead is in 8d as well as the distance "a" from the upper edge.

8d makes it clear that the side walls 22a . 24a as well as the ground 20a are integrally formed. These sidewalls 22a ; 24a as well as the ground 20a For example, can be made in one piece from an integral sheet or molded. It can also be provided that the end walls 26a . 28a also in one piece with the ground 20a as well as the side walls 22a . 24a are made, in particular from a one-piece sheet metal. But it can also be provided that the Strinwände 26a . 28a are separate parts that are molded.

9a shows a plan view of the partition 34 here's the third wall 140 is. The 9b shows a side view of in 9a shown wall 34 respectively. 140 ,

The partition 34 can be made for example as a stamped part. The partition 34 is wider than the ground or wider than the distance of the ground flanks, here as sidewalls 22a . 24a are designated. This is especially so that the inner spacing of the side walls 22a . 24a is less than the width of the soil, in particular outside of the recesses or beads 138 . 144 , For example, it can be provided that the dividing wall is wider by approximately 0.5 mm than the floor or the distance of the side walls 22a . 24a is. Instead of the specified about 0.5 mm but may for example also be given a width difference, for example, is between 0.1 mm and 3 mm. But other differences in width can be provided.

When inserting the partition in the depression or bead 138 . 146 . 144 become the ground flanks or the side walls 22a . 24a slightly opened or bent up. Once the partition 34 - Preferably completely - in the depression or bead 138 . 146 . 144 is, grab the bottom flanks or side walls 22a . 24a back to or back.

This is especially so that the dividing wall 34 then from the depressions or beads 138 . 146 . 144 or from the side walls 22a . 24a as well as the ground 20a is caught. This can be achieved, for example, that the partition 34 is held. This can be helpful, for example, if the partition wall (subsequently) with the side walls 22a . 24a as well as the ground 20a should be soldered. In this case, if necessary, expensive holding devices for holding the partition at the desired position during soldering can be dispensed with. Such soldering of the partition 34 with the side walls 22a . 24a and the floor 20a is preferably provided. For example, this soldering can be done by solder plating or in a soldering oven. It can also be provided that all parts of the box or the heat exchanger to be soldered in a process - in particular of the aforementioned type - are soldered.

The width of the depression or bead 138 . 146 . 144 may be substantially adapted to the thickness of the partition, so that the partition or the position of the partition in the axial direction of the coolant box 130 is essentially fixed. It can also be given a certain game. The partition 34 but in particular is so caught that they are transverse to the longitudinal direction 30a of the coolant box 130 can not fall out.

Especially 9a can be seen that the partition 34 a partition flap 160 having. This partition wall flap 160 is here on the ground 20a opposite side of the partition 34 intended.

The divider tab 160 serves or only to the presence of the partition 34 to ensure or display after assembly.

For this purpose, the lid 18a a breakthrough 162 on, through which the mentioned tab 160 extends to the outside. From the outside, therefore, may be due to the presence of the tab 160 be recognized that the dividing wall 34 is mounted.

10a shows a plan view of the lid 18a and 10b shows a three-dimensional oblique view from the top of the lid 18a , 10c shows a sectional view along the line Xc-Xc 10a , 10d shows a sectional view along the line Xd-Xd 10a , 10e shows a sectional view along the line Xe-Xe 10a , 10f shows a sectional view along the line Xf-Xf 10a , 10g shows a sectional view along the line Xg-Xg 10a , 10h shows an oblique view of a tabbed portion of the lid 18a according to 10a from above.

The in the 10a to 10h shown lid 18a is essentially designed as the lid 18a from the embodiment according to the 1a to 7 ,

From the lid 18 according to the aforementioned embodiment, based on the 3a to 3k has been explained above, the lid is different 18a according to the 10a to 10h essentially in that the bulge, which is substantially adapted to the course of the side walls and due to the opening 40 respectively. 132 is provided is provided at a longitudinally offset position and the tabs 88 respectively. 88a are adjusted or varied according to their length and arrangement, as well as the breakthrough 162 for the partition flap 160 , Therefore, with regard to the design of the lid 18a according to the 10a to 10h on the description of the lid 18 to the 3a to 3k directed.

In particular, it is therefore provided that the lid 18a Depressions or beads 90a . 92a has, in which the end walls 26a . 28a extend. Furthermore, it is provided in particular that the lid 18a a depression or bead 94a has, in which the third wall 140 or the partition 34 extends or in which engages this wall.

Advantageously, the lid 18a so sunk between the side walls 22a . 24a recorded that to the depression or bead 94a of the lid 20a on the one hand the depression or bead 138 the first 22a Side wall connects or immediately connects, and on the other hand, the depression or bead 144 the second side wall.

It is thus in particular of the depressions or beads 94a . 138 . 146 144 formed in cooperation a circumferentially closed recess or bead, in which circumferentially closed the edge regions of the partition 34 or the third wall 140 extend or be recorded.

From above, the dividing wall 34 from the lid 18a enclosed, in this area, a corresponding depression or bead 146 has, as already mentioned. After soldering, the small assembly gaps between the parts are completely sealed.

In the description of the figures in the 3a to 3k shown lid 18 has been stated that the intended for receiving the partition bead has a substantially rectangular cross-section. The cross-sectional shape can also be designed differently, such as semicircular, part-circular, ellipsenfömig or otherwise.

As indicated, the lid will 18a from the top to the in the 8b up shown or used.

It should be noted that the dimensions or manufacturing instructions shown in the figures, and in particular the 9a and 9b such as 10c to 10g , are registered, show particularly preferred designs. Consequently, the designs shown there can also be designed with deviating dimensions or be manufactured in a deviating manner, as it is indicated there.

1

heat exchangers

10

first Coolant tank

12

second Coolant tank

14

Pipe-fin block

16

first unit of 10

16a

first unit of 12

18

Lid of 10

18a

Lid of 12 respectively. 130

20

Ground of 10

20a

Ground of 12 respectively. 130

22

first sidewall of 10

22a

first sidewall of 12 respectively. 130

24

second side wall of 10

24a

second side wall of 12 respectively. 130

26

first end wall of 10

26a

first end wall of 12 respectively. 130

28

second end wall of 10

28a

second end wall of 12 respectively. 130

30

Double arrow, longitudinal direction of 10 respectively. 12

30a

Double arrow, longitudinal direction of 130

32

partition wall

34

partition wall

36

upper partial condenser

38

under partial condenser

40

Main neck of 36 in 10

42

Main neck of 36 in 12

44

Neck of 38 in 10

46

Neck of 38 in 12

48

drain plugs

50

Support

60

slotted opening for flat tubes

60a

Opening in 18a

62

Interior of 10

62a

Interior of 62a

64

Partial chamber of 10

64a

Partial chamber of 62a

66

Partial chamber of 10

66a

Partial chamber of 130

68

Transition area between 20 and 26

70

dashed Area

72

lateral Tabs or lists

80

Area

82

leg

82a

leg

84

leg

84a

leg

86

Connection area between 82 and 84

86a

Connection area between 82 and 84

88

tabs

88a

flap

90

Deepening in 18

90a

Deepening in 18a

92

Deepening in 18

92a

Deepening in 18a

94

Deepening in 18

94a

Deepening in 18a

96

tab- section

96a

tab- section

110

closed section

112

Flap of 26

114

Flap of 26

116

Area

118

Area

120

free end of 96

130

Coolant tank

132

Main opening of 130 for the entry or exit of fluid or Kühlmedi

around

134

Opening of 130 for the entry or exit of fluid or cooling medium

136

first wall of 130

138

Deepening in 136 to receive 140

140

third wall of 130

142

second wall of 130

144

Deepening in 142 to receive 140

146

Deepening in 20a to receive 140

148

Job

150

Job

152

20a opposite end of 22a

154

20a opposite end of 24a

156

20a facing end of 22a

158

20a facing end of 24a

160

Partition flap

162

Breakthrough in 18a For 160

Claims (32)

Box for containing a fluid, such as coolant, for a heat exchanger ( 1 ), in particular for motor vehicles, with two side walls ( 22 . 24 respectively. 22a . 24a ), two end walls ( 26 . 28 respectively. 26a . 28a ), a lid ( 18 respectively. 18a ) and a lid ( 18 respectively. 18a ) oppositely disposed floor ( 20 respectively. 20a ), in which one or more openings ( 60 ) are provided for receiving pipes, in particular connecting pipes, such as flat pipes, characterized in that the cover ( 18 respectively. 18a ) at least one depression ( 90 . 92 . 94 ), into which at least one wall ( 26 . 26a . 28 . 28a . 32 ). Box according to claim 1 , characterized in that at least one in a recess ( 90 . 92 . 94 ) of the lid ( 18 respectively. 18a ) recorded wall an end wall ( 26 . 28 respectively. 26a . 28a ) of the box ( 10 respectively. 12 ). Box according to one of the preceding claims, characterized in that at least one in a recess of the lid ( 18 respectively. 18a ) wall received a partition ( 32 respectively. 34 ), which is the interior of the box ( 10 respectively. 12 ) divided into chambers. Box according to one of the preceding claims, characterized in that the lid ( 18 respectively. 18a ) has at least one first recess, in which a first end wall ( 26 respectively. 26a ) and at least one of which at least one first recess ( 90 ) different, second recess ( 92 ) in which a second, the first ( 26 respectively. 26a ) spaced end wall ( 28 respectively. 28a ) is recorded. Box according to one of the preceding claims, characterized in that the at least one recess ( 90 . 92 . 94 ) of the lid ( 18 respectively. 18a ) is formed in the manner of a bead. Box according to one of the preceding claims, characterized in that the at least one recess ( 90 . 92 . 94 ) of the lid ( 18 respectively. 18a ) in this depression ( 90 . 92 . 94 ) recorded wall ( 26 . 26a . 28 . 28a . 32 ) longitudinal ( 30 ) of the box ( 1 ) or in the direction of the side walls ( 22 . 24 respectively. 22a . 24a ), especially in both orientations of this direction. Box according to one of the preceding claims, characterized in that the longitudinal ( 30 ) of the box ( 1 ) or in the direction of the side walls ( 22 . 24 respectively. 22a . 24a ) located at least one depression ( 90 . 92 . 94 ) of the lid ( 18 respectively. 18a ) in the depth direction of this depression ( 90 . 92 . 94 ) converge towards each other. Box according to one of the preceding claims, characterized in that the longitudinal ( 30 ) or in the direction of the side walls ( 22 . 24 respectively. 22a . 24a ) located at least one depression ( 90 . 92 . 94 ) of the lid ( 18 respectively. 18a ) a centering effect for the recorded wall ( 26 . 26a . 28 . 28a . 32 ) exhibit. Box according to one of the preceding claims, characterized in that the at least one recess ( 90 . 92 . 94 ) of the lid ( 18 respectively. 18a ) across to the wall received in it ( 26 . 26a . 28 . 28a . 32 ) is formed rounded at least in sections, in particular is designed substantially semicircular. Box according to one of the preceding claims, characterized in that the we at least one deepening ( 90 . 92 . 94 ) of the lid ( 18 respectively. 18a ), in which a wall ( 26 . 26a . 28 . 28a . 32 ), in particular special end wall ( 26 . 28 respectively. 26a . 28a ), substantially over the entire width of the lid ( 18 respectively. 18a ). Box according to one of the preceding claims, characterized in that the lid ( 18 respectively. 18a ) the end walls ( 26 . 28 respectively. 26a . 28a ), in particular by means of an expiring section ( 96 ) of depressions ( 90 . 92 . 94 ). Box according to one of the preceding claims, characterized in that the lid ( 18 respectively. 18a ) transversely to its longitudinal direction ( 30 ) has a substantially U-shaped cross-section seen. Box according to claim 12, characterized in that the flanks of the U-shape of these flanks ( 82 . 84 ) connecting section ( 86 ) of the U-shape in the ground ( 20 respectively. 20a ) of the box ( 10 respectively. 12 ) extend away. Box according to one of the preceding claims, characterized in that the lid ( 18 respectively. 18a ), in particular arc-shaped, tabs ( 88 ), which the side walls ( 22 . 24 respectively. 22a . 24a ), wherein it is provided in particular that the cover ( 18 respectively. 18a ) is U-shaped in cross-section and these tabs ( 88 ) of the connecting section ( 86 ) edges of the flanges ( 82 . 84 ) of the U-shape. Box according to one of the preceding claims, characterized in that the lid ( 18 respectively. 18a ) one separately from the side walls ( 22 . 24 respectively. 22a . 24a ) and from the end walls ( 26 . 28 respectively. 26a . 28a ) and from the ground ( 20 respectively. 20a ) is manufactured part. Box according to one of the preceding claims, characterized in that the lid ( 18 respectively. 18a ) is integrally formed and made of a one-piece, in particular punched, part, in particular sheet metal. Box according to one of the preceding claims, characterized in that the transition from the ground ( 20 respectively. 20a ) to the end walls ( 26 . 28 respectively. 26a . 28a ), is integrally formed. Box according to one of the preceding claims, characterized in that the unit of the side walls ( 22 . 24 respectively. 22a . 24a ) and the end walls ( 26 . 28 respectively. 26a . 28a ), and the ground ( 20 respectively. 20a ) is integrally formed, and is in particular made of a one-piece part, in particular sheet metal. Box for containing a fluid, such as coolant, for a heat exchanger ( 1 ), in particular for motor vehicles, with a cover ( 18a ) and a lid ( 18a ) oppositely disposed floor ( 20a ), in which one or more openings ( 60 ) are provided for receiving tubes, and with several walls ( 22a . 24a . 26a . 28a . 34 ), which are substantially transverse to this cover ( 18a ) or transversely to this floor ( 20a ), in particular according to one of the preceding claims, characterized in that a first wall ( 136 respectively. 22a ) of these walls ( 22a . 24a . 26a . 28a . 34 ), which are substantially transverse to this cover ( 18a ) or transversely to this floor ( 20a ), at least one depression ( 138 ) into which a third wall ( 140 respectively. 34 ) of the box ( 130 ) for receiving fluid extends and that a second wall ( 142 respectively. 24a ) of these walls ( 22a . 24a . 26a . 28a . 34 ), which are substantially transverse to this cover ( 18a ) or transversely to this floor ( 20a ), at least one depression ( 144 ) into which the third wall ( 140 respectively. 34 ) extends or engages. Box according to claim 19, characterized in that said first wall ( 136 respectively. 22a ) and this second wall ( 142 respectively. 24a ) each have a side wall ( 22a respectively. 24a ) of the box ( 130 ). Box according to one of claims 19 to 20, characterized in that the first wall ( 136 respectively. 22a ) as well as the second wall ( 142 respectively. 24a ) in each case in one piece with the ground ( 20a ) are connected. Box according to one of claims 19 to 21, characterized in that the third wall ( 140 respectively. 34 ) a partition wall ( 34 ) is, by means of which the interior ( 62a ) of the box ( 130 ) in sub-chambers ( 64a . 66a ) is divided. Box according to one of claims 19 to 22, characterized in that the bottom ( 20a ) of the box ( 130 ) at least one depression ( 146 ) and that this third wall ( 140 respectively. 34 ) into this depression ( 146 ) of this soil ( 20a ), wherein it is provided in particular that the depression ( 146 ) of this soil ( 20a ) is formed as a groove or embossed bead. Box according to claim 23, characterized in that the depressions ( 138 . 144 . 146 ), in the first wall ( 136 respectively. 22a ) and the second wall ( 142 respectively. 24a ) and in the ground ( 20a ) are provided, are formed contiguous. Box according to one of claims 19 to 24, characterized in that the recess ( 138 ) in the first wall ( 136 respectively. 22a ) is provided, from which the lid ( 18a ) facing end ( 152 ) of this first wall ( 136 respectively. 22a ) and that the recess ( 144 ) in the second wall ( 142 respectively. 24a ) is provided, from which the lid ( 18a ) facing end ( 154 ) of this second wall ( 142 respectively. 24a ) is spaced. Box according to one of claims 19 to 25, characterized in that the lid ( 18a ) at least one depression ( 94a ), in particular bead or embossed groove, into which the third wall ( 140 respectively. 34 ). Box according to one of claims 19 to 26, characterized in that the peripheral edge of the third wall ( 140 respectively. 34 ) extends substantially completely in depressions, in particular in depressions ( 138 . 144 . 146 . 94a ), in the first wall ( 136 respectively. 22a ), the second wall ( 142 respectively. 24a ), the floor ( 20a ) and the lid ( 18a ) are provided. Box according to one of claims 19 to 27, characterized in that the third wall ( 140 respectively. 34 ) into the depressions ( 138 . 144 ) the first ( 136 respectively. 22a ) and the second wall ( 142 respectively. 24a ) engages in the manner of a snap connection. Box according to one of claims 19 to 28, characterized in that the third wall ( 140 respectively. 34 ) in cooperation with the depressions ( 138 . 144 ) the first ( 136 respectively. 22a ) and the second wall ( 142 respectively. 24a ) forms a snap connection, and that the third wall ( 140 respectively. 34 ) via additional connecting means, such as welded connection or soldered connection, on the first wall ( 136 respectively. 22a ) and the second wall ( 142 respectively. 24a ) is held. Box according to one of claims 19 to 29, characterized in that the third wall ( 140 respectively. 34 ) a tab ( 160 ), which extends through a passage opening ( 160 ) one the box ( 130 ) to the outside bounding walls or lid ( 18a ) extends to the outside. Heat exchanger, in particular radiator for a motor vehicle, with a tube and fin block ( 14 ) and a box ( 10 respectively. 12 ) according to one of the preceding claims, wherein the tubes of the tube-fin block ( 14 ) in the area of the soil ( 20 respectively. 20a ) of the box ( 10 respectively. 12 ) in these. Method for producing a box for holding a fluid, such as coolant, for a heat exchanger ( 1 ), in particular for the production of a box according to one of claims 1 to 30, characterized in that the walls bounding the interior of the box, in particular two side walls ( 22 . 24 respectively. 22a . 24a ), two end walls ( 26 . 28 respectively. 26a . 28a ), a lid ( 18 respectively. 18a ) and a lid ( 18 respectively. 18a ) opposite ground ( 20 respectively. 20a ), are formed by two respective one-piece parts, in particular sheets, which sheets are punched in a first step, are bent in a second step and joined together by soldering in a third step, and wherein before, during or after first step and before or during the second step and before the third step of one of these two parts, which has a portion for forming a bottom for receiving connecting pipes, deep-drawn.