Device for extinguishing fires

A - Human Necessities – 62 – C

Patent

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Details

A62C 3/02 (2006.01) B64D 1/16 (2006.01)

Patent

CA 2741350

This device comprises a portable reservoir (2) suspended form a helicopter and provided with at least one lower hatch (21) for discharging the extinguishing liquid or water transported. The device comprises a vacuum pump (4) to create a vacuum inside said reservoir (2), a vacuum sensor (75) to regulate the vacuum created inside the reservoir (2) depending on the quantity of water to be loaded, several means to cause the opening of a lower hatch (21) of the reservoir (2) and the loading of water into the reservoir (2) as a result of the suction effect caused by the vacuum, several means for detecting when the reservoir (2) is full and several means for automatically closing the lower hatch (21) when the water load has reached a preset level.

La présente invention concerne un dispositif comprenant un réservoir (2) conçu pour être transporté suspendu à un hélicoptère et pourvu d'au moins une vanne inférieure (21) de décharge d'eau ou de liquide extincteur transporté. Le dispositif comprend une pompe à vide (4) pour créer un vide à l'intérieur du réservoir (2), un capteur de vide (75) pour réguler le vide crée à l'intérieur du réservoir (2) en fonction de la quantité d'eau à charger, des moyens pour provoquer l'ouverture d'une vanne inférieure (21) du réservoir (2) et la charge d'eau dans le réservoir (2) par effet d'aspiration produit par le vide, des moyens pour détecter le remplissage du réservoir (2) et des moyens pour fermer automatiquement la vanne inférieure (21) lorsque la charge de l'eau a atteint un niveau prédéterminé.

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