Propulsion device of an agent contained in a cavity

Details Propulsion device of an agent contained in a cavity Propulsion device of an agent contained in a cavity

A - Human Necessities

62

C

A62C 35/13 (2006.01) A62C 35/62 (2006.01) A62C 35/68 (2006.01) A62C 37/00 (2006.01)

Patent

CA 2603090

The present invention describes a propulsion device of an agent, such as an extinguishing or cooling agent, contained in a cavity comprising at least a cap and a port able to be opened above a calibrated pressure inside the cavity, for which a pressure generator is fastened to the cap and induces by electrical triggering the propulsion of the agent. Owing to the fact that the pressure generator comprises at least two containers having respectively an exit ending inside the cavity, these each releasing a propulsion gas on the agent, and whereof at least one container is pressurized with, as a propulsion gas, an inert-type gas, such as helium, suited for minimal temperature fluctuations induced inside the cavity during a relief of pressure of the gas from at least one of the containers towards the cavity, which gas in expansion be-ing the direct mechanical propellant of the agent via the port able to be opened. This device brings significant advan-tages in terms of safety, of modularity, of control, of adaptability, etc., in particular crucial for fire extin-guishing in the aircrafts.

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