US 5,704,833 AGranted

Clean room

AssigneeAerospatiale Societe Nationale Industrielle

InventorsJean-Michel Reix, Georges Cina, Jean-Pierre Philipoussi

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Abstract

The present invention concerns a clean room featuring a closed enclosure having at least two opposite walls, a first of said walls being provided with blower means adapted to blow into said room a gaseous fluid, in particular air, having a specified controlled particle concentration, and a second wall being provided with evacuation means adapted to evacuate the gaseous fluid blown into said room. In accordance with the invention, said first wall is divided into at least two blower sectors, the blower means of each of said blower sectors blowing a gaseous fluid that has a uniform particle concentration different from the particle concentration of the other blower sector.

Claims8

Dependent claims

A clean room featuring a closed enclosure having at least two opposite walls, a first of said walls being provided with blower means adapted to blow into said room a gaseous fluid, in particular air, having a specified controlled particle concentration, and a second wall being provided with evacuation means adapted to evacuate the gaseous fluid blown into said room, wherein:

said first wall is divided into at least two blower sectors, the blower means of each of said blower sectors blowing a gaseous fluid that has a uniform particle concentration different from the particle concentration of the other blower sector;
and
said second wall is divided into evacuation sectors that are opposite respective blower sectors of said first wall and each of which evacuates the gaseous fluid from said opposite blower sector.

Dependencies are inferred from the claim text.