Delivery of fire-extinguishing material by a pressure gas...

A - Human Necessities – 62 – C

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A62C 35/02 (2006.01) A62C 99/00 (2010.01) A62C 31/00 (2006.01)

Patent

CA 2184895

The invention relates to a fire-fighting equipment, comprising a hydraulic accumulator (H) and a pressure gas source (T) connected thereto for driving liquid by means of pressure gas out of the hydraulic accumulator through an outgoing liquid tube (6) arranged in the accumulator. The object of the invention is to provide a novel equipment permitting an efficient liquid delivery from one hydraulic accumulator (H) or a plurality of hydraulic accumulators (H, H'), by mixing gas efficiently in the liquid immediately from the beginning. This is achieved in such a way that the outgoing liquid tube (6) comprises a throttling (11) and that to the liquid tube (6), after said throttling (11), is connected a throttled gas inlet (13) preferably from the same pressure gas source that is connected to the hydraulic accumulator (H) for driving liquid out of this accumulator.

Equipement de lutte contre l'incendie comportant un accumulateur hydraulique (H) et une source de gaz sous pression (T) reliée à celui-ci de manière à ce qu'un liquide contenu dans l'accumulateur hydraulique soit entraîné vers l'extérieur par le gaz sous pression en passant par une conduite de sortie de liquide (6) logée dans l'accumulateur. Cette invention a pour objet d'offrir un nouvel équipement permettant de libérer un liquide de manière efficace à partir d'un accumulateur hydraulique (H) ou d'une série de tels accumulateurs (H, H'), en mélangeant dès le départ le gaz dans le liquide de manière efficace. Ce résultat est obtenu par le fait que la conduite de sortie du liquide (6) comporte un étranglement (11) et que cette conduite (6), après ledit étranglement (11), est reliée à une admission de gaz régulée (13) de préférence depuis la même source de gaz sous pression qui est reliée à l'accumulateur hydraulique (H) pour extraire le liquide de cet accumulateur.

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