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A method of producing multiple channels for use in a device for exchange of solutes or heat between fluid flows

A heat exchange and fluid technology, applied in heat exchange equipment, indirect heat exchangers, heat exchanger types, etc., can solve the problems of providing a satisfactory space margin for flow characteristics, high production costs, and expensive products. Low tear risk, increased efficiency, inexpensive effects

Inactive Publication Date: 2012-09-19
AIR TO AIR SWEDEN AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using individually manufactured tubes of very small diameter, the production costs will become high as the small tubes are technically complex to manufacture and refined into products, and thus the final product will become expensive
Another drawback is that when the tubes are packed in bundles, in current contemporary products no satisfactory space margin is provided for the flow characteristics between the tubes

Method used

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  • A method of producing multiple channels for use in a device for exchange of solutes or heat between fluid flows
  • A method of producing multiple channels for use in a device for exchange of solutes or heat between fluid flows
  • A method of producing multiple channels for use in a device for exchange of solutes or heat between fluid flows

Examples

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Embodiment Construction

[0050] figure 1 A device for water vapor exchange according to the prior art is shown. In conventional techniques, corrugated material or flow distribution members are used between flat sheets of permeable material to define channels and flow directions and to provide uniform spacers for separating layers. In some examples, the sides of the sheet are turned down to provide spacers. This design is always limited to cross-flow configurations.

[0051] figure 2 A sheet 3 with a profile 5 according to the invention is shown. To form the shape of the profile 5 several different methods can be used in manufacture. For example, the sheet can be corrugated board. As another example, a sheet of one material can be heated to such an extent that it is deformable, then cooled after it has been shaped on the mold / body, thereby setting the shape. Once permanently deformed, the shape will be maintained. Another way is to have many very fine wires randomly scattered on the mold / body (...

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Abstract

The present invention relates to a method of producing multiple channels for use in a device for exchange of solutes between at least two fluid flows. The invention further relates to such a device. At least a first and a second sheet are comprised. The method comprises the steps of providing at least one of the first and second sheets with at least one profiled surface and joining the first and second sheets together with the profiled surfaces facing against each other. Channels are formed by the shape of the profiled surfaces.

Description

technical field [0001] The present invention relates generally to solute or heat exchange between fluid streams, and more particularly to a method of producing a plurality of channels for use in a device for solute or heat exchange between fluid streams. The invention also relates to a device for solute exchange between at least two fluid streams. Background technique [0002] Today there are many different applications in which diffusion is used to enrich a fluid stream with a solute from another fluid stream, or to remove unwanted solutes or species from a fluid stream. An example is in HVAC (Heating, Ventilation and Air Conditioning) where water vapor can be removed from the airflow in order to reduce power consumption by reducing condensation in chiller units or to recover energy from e.g. building exhaust. Another example is reverse osmosis used to remove salt from water. [0003] Different methods are used when it comes to separating water vapor from a fluid; eg rota...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D9/00F28D21/00
CPCF28F2245/04F28D21/0015F28F2245/02F28D9/0037
Inventor 约翰・西韦尔科利夫
Owner AIR TO AIR SWEDEN AB
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