Heat exchanger having a reinforced collector

Patent metadata

Field	Value
Publication number	US-9772144-B2
Application number	US-201314402995-A
Country	US
Kind code	B2
Filing date	May 16, 2013
Priority date	May 24, 2012
Publication date	Sep 26, 2017
Grant date	Sep 26, 2017

Abstract

A heat exchanger includes a heat exchange body 2 , at least one cover 4 and a manifold 3 connecting the cover 4 to the heat exchange body 2 . The heat exchange body 2 is delimited by at least one blanking plate 6 . The manifold 3 includes a base plate 20 surrounded by an edge 21 for fixing the cover 4 , and the fixing edge 21 is formed by a double-thickness wall 22 , one end 23 of which is at least partially fixed to the blanking plate 6.

First claim

The invention claimed is:

1. A heat exchanger ( 1 ) comprising a heat exchange body ( 2 ), at least one cover ( 4 ) and a manifold ( 3 ) connecting the cover ( 4 ) to the heat exchange body ( 2 ), the heat exchange body ( 2 ) being delimited by at least one blanking plate ( 6 , 6 a , 6 b ), the manifold ( 3 ) comprising a base plate ( 20 ) surrounded by an edge ( 21 ) for fixing the cover ( 4 ), wherein the fixing edge ( 21 ) is formed by a double-thickness wall ( 22 ), one end ( 23 ) of which is at least partially fixed to the blanking plate ( 6 , 6 a , 6 b ), and wherein the end ( 23 ) of the double-thickness wall ( 22 ) comprises a bend ( 35 ) positioned such that the end ( 23 ) extends in a direction opposite a remainder of the double-thickness wall ( 22 ), and wherein the heat exchange body ( 2 ) comprises a plurality of tubes ( 12 , 12 a , 12 b ) secured to the manifold ( 3 ) and configured to channel a first fluid, and also a multiplicity of ducts ( 18 ) configured to channel a second fluid, the ducts ( 18 ) being formed between the tubes ( 12 , 12 a , 12 b ) and delimited by at least the blanking plate ( 6 , 6 a , 6 b ).

2. The exchanger ( 1 ) as claimed in claim 1 , wherein a thickness of the double-thickness wall ( 22 ) is at least twice as large as a thickness of the base plate ( 20 ).

3. The exchanger ( 1 ) as claimed in claim 1 , wherein the double-thickness wall ( 22 ) is formed by a first wall ( 24 ) and a second wall ( 25 ) brazed to the first wall ( 24 ).

4. The exchanger ( 1 ) as claimed in claim 3 , wherein the double-thickness wall ( 22 ) comprises at least one corner at which a mechanical reinforcement device is formed.

5. The exchanger ( 1 ) as claimed in claim 4 , wherein the mechanical reinforcement device is a chamfer ( 31 ) formed at the corner of the first wall ( 24 ).

6. The exchanger ( 1 ) as claimed in claim 5 , wherein the mechanical reinforcement device is a fillet ( 34 ) formed at the corner of the second wall ( 25 ), the fillet ( 34 ) being formed in particular opposite the chamfer ( 31 ).

7. The exchanger ( 1 ) as claimed in claim 3 , wherein the fixing edge ( 21 ) at least partially delimits a housing ( 26 ) for receiving a heel ( 27 ) of the cover ( 4 ), the housing ( 26 ) furthermore being delimited by a band ( 28 ) which peripherally extends the base plate ( 20 ).

8. The exchanger ( 1 ) as claimed in claim 7 , wherein the first wall ( 24 ) of the double-thickness wall ( 22 ) comprises a first strip ( 29 ) forming a base of the housing ( 26 ) and a first side wall ( 30 ) laterally delimiting the housing ( 26 ), the first strip ( 29 ) and the first side wall ( 30 ) being connected by a chamfer ( 31 ).

9. The exchanger ( 1 ) as claimed in claim 8 , wherein the second wall ( 25 ) of the double-thickness wall ( 22 ) comprises a second strip ( 32 ) brazed to the first strip ( 29 ) and a second side wall ( 33 ) brazed to the first side wall ( 30 ), the second strip ( 32 ) and the second side wall ( 33 ) being connected by a fillet ( 34 ) at a distance from the chamfer ( 31 ).

10. The exchanger ( 1 ) as claimed in claim 3 , wherein the end ( 23 ) of the double-thickness wall ( 22 ) is positioned such that one face of the second wall ( 25 ) of the double-thickness wall ( 22 ) is brazed to the blanking plate ( 6 , 6 a , 6 b ).

11. The exchanger ( 1 ) as claimed in claim 1 , wherein the multiplicity of ducts ( 18 ) is closed by a first blanking plate ( 6 a ) and by a second blanking plate ( 6 b ), each blanking plate ( 6 a , 6 b ) being secured to a lateral wall ( 16 , 17 ) of each tube ( 12 , 12 a , 12 b ).

12. The exchanger ( 1 ) as claimed in claim 1 , wherein one edge ( 39 ) of the double-thickness wall ( 22 ) is fixed at least to a longitudinal wall ( 14 ) of an end tube ( 12 a , 12 b ) of the heat exchange body ( 2 ).

13. The exchanger ( 1 ) as claimed in claim 12 , wherein the blanking plate ( 6 , 6 a , 6 b ) comprises at least one tongue ( 9 , 10 , 11 ) that is folded against and brazed to the longitudinal wall ( 14 ) of the end tube ( 12 a , 12 b ).

14. The exchanger ( 1 ) as claimed in claim 1 , wherein the blanking plate ( 6 , 6 a , 6 b ) comprises at least one orifice ( 7 ) through which a second fluid is able to enter or exit the heat exchange body ( 2 ).

15. The exchanger ( 1 ) as claimed in claim 1 , wherein a thickness of the double-thickness wall ( 22 ) is at least twice as large as a thickness of the base plate ( 20 ).

Assignees

• Valeo Systemes Thermiques

Inventors

• Day Alan

Classifications

• F28F3/025 Primary

  the means being corrugated, plate-like elements · CPC title

• F28F9/027

  in the form of distribution pipes · CPC title

• F28F9/0226 Primary

  with resilient gaskets · CPC title

• F28D2021/0082

  Charged air coolers · CPC title

• F28F9/02 Primary

  Header boxes; End plates · CPC title