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Heat exchanger

A technology of heat exchangers and pipes, applied in the field of heat exchangers, can solve problems such as rock impact and damage

Inactive Publication Date: 2015-04-29
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the front and rear sides of the heat exchanger, the pipes are open, so damage such as stone impacts can easily occur here

Method used

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Experimental program
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Effect test

Embodiment Construction

[0019] according to figure 1 , the heat exchanger 1 has two opposite collecting tanks 2, which are fluidly connected by means of a plurality of (not shown here) pipes 3, so that the fluid can enter one of the collecting tanks tank 2 and via pipe 3 to another header tank 2 where it leaves the heat exchanger 1 again. The pipe 3 is surrounded by a porous metal structure 4 consisting of a plurality of sheets 5 . The lamellae 5 are made of metal foam and have an L-shaped configuration with a (not shown here) base part 5a and legs 5b, wherein the lamellae can be held by the base part 5a between two adjacent Between the pipes 3 of the heat exchanger 1 and said leg 5b extends protectively beyond a corresponding one of the adjacent pipes 3 on the front side 1a of the heat exchanger 1 .

[0020] figure 2 The composite structure of pipe 3 and sheet 5 is shown again in section. Two adjacent ducts 3 respectively fasten the base part 5 a of the lamella 5 so that the legs 5 b can extend...

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PUM

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Abstract

A heat exchanger (1) having at least two collecting boxes (2) which are fluidically connected to one another by means of multiple tubes (3), and having a porous metal structure (4) which at least partially surrounds the tubes (3), wherein the heat exchanger (1) has a plate-like form with a front side (1a) and a rear side (1b), and wherein the metal structure (4) is formed by a multiplicity of lamellae (5) which are held in each case between two adjacent tubes (3) and, on at least one side (1a) and / or (1b) of the heat exchanger (1), extend over at least one adjacent tube (3).

Description

technical field [0001] The invention relates to a heat exchanger having at least two collecting tanks and a porous metal structure, the at least two collecting tanks being fluidly connected to one another by means of pipes, the porous metal structure being at least partially Surrounding these pipes, the heat exchanger has a plate form comprising a front side and a rear side. Background technique [0002] Heat exchangers of this type are frequently used for cooling fluids of machines, for example of internal combustion engines. For this purpose, the fluid to be cooled flows into the collecting tank and passes through a plurality of ducts to the opposite collecting tank. To increase the surface, these ducts are at least partially surrounded by a porous metal structure. Air can flow through the heat exchanger transversely to the plane of extent of the heat exchanger and thus regulate the temperature of the fluid in the ducts, ie cool the fluid. [0003] EP 1 511 969 B1 of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F13/00F28F19/00F28D1/053
CPCF28F13/003F28F19/002F28D1/05366F28F9/02
Inventor W·维尔丁S·施瓦策
Owner AUDI AG