A ventilator unit for a garment such as a pressure suit or...

A - Human Necessities – 41 – D

Patent

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Details

A41D 13/002 (2006.01) A62B 7/10 (2006.01) A62B 17/00 (2006.01)

Patent

CA 2505863

The invention relates to ventilation units. The inventive ventilation unit is essentially characterized by the fact that it comprises a casing (1) which has two openings (2, 3) and an electric connection passage (4), a filter cartridge (5), a turbine (7) disposed inside said casing (1) and provided with an input (8) and an output (9) and a motor (10), a duct (14) linking the output (9) to the outside area (15) of the casing (1) via the output (3), another casing (20) with a passage (21) created inside the wall (49), a control circuit (26) and a source (23) disposed inside the casing (20), means (27) for associating the two housings (1,20) such that the passages (4, 21) form a single passage (28), a flow meter (29) inside the duct (14), the control circuit (26) comprising an exit (37) which can issue a first alarm signal when the electric energy value of the source (23) falls below a threshold. The invention can be more particularly used for the ventilation of nuclear protection suits, bacteriological protection suits or protective suits in hospital environments.

La présente invention concerne les blocs de ventilation. Le bloc de ventilation selon l'invention se caractérise essentiellement par le fait qu'il comporte un boîtier (1) à deux ouvertures (2, 3) et un passage de connexion électrique (4), une cartouche de filtration (5), une turbine (7) dans le boîtier (1) à une entrée (8) et une sortie (9) et un moteur (10), un conduit (14) reliant la sortie (9) à l'extérieur (15) du boîtier (1) à travers la sortie (3), un autre boîtier (20) avec un passage (21) réalisé dans sa paroi (49), une source (23) et un circuit de contrôle (26) situés dans le boîtier (20), des moyens (27) pour associer les deux boîtiers (1, 20) de façon que les passages (4, 21) n'en forment qu'un (28), un débitmètre (29) dans le conduit (14), le circuit de contrôle (26) comportant une sortie (37) apte à délivrer un premier signal d'alarme lorsque la valeur de l'énergie électrique de la source (23) passe en dessous d'un seuil. Application, notamment, à la ventilation des scaphandres nucléaires, bactériologiques, des vêtements de protection en milieu hospitalier.

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