Absorption plate for air conditioner

A technology of absorption board and absorption air conditioner, which is applied in the direction of boiler absorber, absorbent/adsorbent, adsorption machine, etc., can solve problems such as difficult protrusions or surface deformation, limited quantity, complicated supply, etc., and achieve improved agitation Effect, concentration homogenization, effect of promoting mixing

Active Publication Date: 2014-05-21
PEZHO SITROEN AUTOMOBILS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This implementation is expensive because the process of making protrusions on the surface of the tube is not easily implemented, and its feasibility for large-scale production has not yet been demonstrated
Furthermore, this embodiment connects the protrusion to the surface on which the fluid flows and this makes it difficult to make any modifications to the protrusi

Method used

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  • Absorption plate for air conditioner
  • Absorption plate for air conditioner

Examples

Experimental program
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Embodiment Construction

[0017] Figure 1 shows the same absorbent panels as those known from the prior art. Two gratings 30 define ducts in which a flow of absorption fluid 10, for example lithium bromide, circulates by gravity. The frame integrates a grid 30 and its upper part 20 comprises feed holes through which the absorption fluid enters between the two plates. As for the lower part 40, it comprises a discharge hole connected to the rest of the absorption fluid circuit. As indicated by the arrows between the grids 30, the flow between the two plates is substantially laminar. The plate is arranged in a vessel containing a gas-phase enriched gas of refrigerant vapor. For example, the gas may be water in steam form.

[0018] The outer layer of lithium bromide absorbs water passing through the grid 30 during its path between the two plates. The outer layer becomes filled with water, and the water concentration of the lithium bromide salt solution and its temperature increase. The absorption capa...

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PUM

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Abstract

The invention relates to an absorption plate, in particular of an absorption air conditioner for a vehicle, crossed by a stream of liquid absorbent fluid (10) flowing between two exchange surfaces (35) arranged relatively opposite one another, the exothermal absorption of a so-called coolant fluid in vapour phase taking place through said exchange surfaces (35) by increasing a concentration of the coolant fluid in the absorbent fluid (10), characterised in that the relative arrangement of the two exchange surfaces (35) forces at least one portion of the stream of absorbent fluid (10) to pass at least once through one of the exchange surfaces (35) and causes mixing of the stream of absorbent fluid (10).

Description

technical field [0001] The invention mainly relates to an absorber panel for an air conditioner installed in a motor vehicle. Background technique [0002] Devices for air conditioning by absorption are known from the prior art. For example, document FR2941773 describes an absorption air conditioner comprising absorption plates in which an absorption fluid, lithium bromide, circulates and absorbs a refrigerant fluid, water vapour. On the other hand, this system in particular has the disadvantage that the efficiency is limited by the absorption capacity of the absorption fluid refrigerant. In fact, during the exothermic absorption reaction on the surface, the absorption fluid, lithium bromide, heats up in contact with the refrigerant fluid, water vapor, and the surface layer is rapidly saturated with the refrigerant fluid. Absorption is limited by the transfer velocity at the center of the exothermic liquid stream and / or refrigerant fluid stream. The result is a rather wea...

Claims

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Application Information

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IPC IPC(8): B60H1/32F25B37/00F25B15/06F25B39/02B60H1/00
CPCB60H1/00342F25B37/00B01D53/263B01D53/28B01D2251/302B01D2251/60B01D2252/10B01D2257/80B01D2259/4566B60H1/32011B60H1/3201F25B15/10F25B35/00F25B35/02
Inventor E·布达尔M·戈尔克R·古莱X·迪蒙M·马蒂内
Owner PEZHO SITROEN AUTOMOBILS SA
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