Heat exchanger, use of an aluminium alloy and an aluminium strip and method for producing an aluminium strip
A technology of heat exchangers and aluminum alloys, applied to heat exchangers, can solve the problems of complicated standard materials and inability to use them, and achieve the effect of ensuring anti-corrosion protection
Active Publication Date: 2017-08-01
HYDRO ALUMINIUM ROLLED PROD GMBH
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Problems solved by technology
However this is very cumbersome and makes the use of standard materials impossible
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[0174] Figure 1a -b shows an embodiment of the application of the heat exchanger and an aluminum alloy or aluminum strip. Figure 1a A schematic diagram showing a side view of the heat exchanger, Figure 1b shows along the Figure 1a The cross-sectional view of the plane labeled "Ib" shown in .
[0175] The heat exchanger 10 has a plurality of heat exchange tubes 12 , terminals of which are respectively connected to a first collecting tube 14 and a second collecting tube 16 . The collecting tubes 14 and 16 thus form components which are respectively connected to the heat exchange tubes 12 .
[0176] In use, a medium flow 18 is introduced into the first collection pipe 14 , which is dispersed into the individual heat exchange tubes 12 and eventually re-flows out of the heat exchanger 10 through the collection pipe 16 . In use, the region of the heat exchange tubes 12 is surrounded by a second medium flow, which thus comes into thermal contact with the outer surface of the hea...
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Abstract
The invention relates to a heat exchanger (10), in particular for motor vehicles, with at least one exchanger tube (12) of an aluminium alloy and with at least one component (14, 16) connected fluidically to the exchanger tube (12), wherein the exchanger tube (12) and the component (14, 16) are connected to one another by way of a common soldered connection and wherein the component (14, 16) connected to the exchanger tube (12) has a core layer (24) of an aluminium alloy with the following composition: Si: max. 0.7% by weight, Fe: max. 0.70% by weight, Cu: max. 0.10% by weight, Mn: 0.9-1.5% by weight, Mg: max. 0.3% by weight, Cr: max. 0.25% by weight, Zn: max. 0.50% by weight, Ti: max. 0.25% by weight, Zr: max. 0.25% by weight, unavoidable impurities individually max. 0.05% by weight, altogether max. 0.15% by weight, the remainder aluminium. The invention also relates to the use of an aluminium alloy or an aluminium strip with a core layer (24) of this aluminium alloy for the production of a manifold (14, 16) or a tubesheet for a soldered heat exchanger (10) and to a method for producing an aluminium strip.
Description
technical field [0001] The invention relates to a heat exchanger especially suitable for automobiles, the above-mentioned heat exchanger has at least one aluminum alloy heat exchange tube and at least one component fluidly connected with the heat exchange tube, wherein the above-mentioned heat exchange tube and the component are integrally welded Forms are connected to each other. The invention furthermore relates to the use of an aluminum alloy or an aluminum strip having a core layer made of this aluminum alloy for the production of collecting tubes or tube sheets of welded heat exchangers, and also to an aluminum alloy which is especially suitable for the aforementioned use. A method of production of rolled-clad aluminum strip. Background technique [0002] The function of a heat exchanger is to transfer thermal energy from one medium flow to another medium flow. In order to achieve this purpose, the heat exchanger has at least one heat exchange tube, the purpose of whi...
Claims
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IPC IPC(8): F28F21/08B23K35/00C22C21/00C22C21/02C22F1/04F28D1/053F28F1/02F28F1/12
CPCB23K35/00C22C21/00C22C21/02C22F1/04F28D1/05383F28F1/022F28F1/126F28F21/084F28F2275/04B22D7/005B23K35/288C22F1/043B23K1/0012F28D1/0233
Inventor 格哈德·贝尔米希哈特莫特·扬森福尔克尔·萨斯史蒂芬·施吕特
Owner HYDRO ALUMINIUM ROLLED PROD GMBH