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Liquid propulsion device incorporating a pyrotechnic gas generator in the structure thereof

A gas generator and generator technology, applied in weapon accessories, fire rescue, offensive equipment, etc., can solve problems such as puncture and diaphragm damage

Inactive Publication Date: 2009-08-19
PYROALLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a configuration puts a lot of stress on the diaphragm from both a thermodynamic and a mechanical point of view, and there is a risk of damage or puncture of the diaphragm

Method used

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  • Liquid propulsion device incorporating a pyrotechnic gas generator in the structure thereof
  • Liquid propulsion device incorporating a pyrotechnic gas generator in the structure thereof
  • Liquid propulsion device incorporating a pyrotechnic gas generator in the structure thereof

Examples

Experimental program
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Effect test

Embodiment Construction

[0059] figure 1 The device 50 for propelling the liquid L is shown in operation.

[0060] The device 50 mainly includes a pyrotechnic gas generator 1 ( figure 2 Pyrotechnic gas generator) reservoir 51. The igniter 12 and the cover of the generator 1 remain outside the reservoir 51 .

[0061] figure 1 The reservoir 51 contains liquid L. The liquid L is delivered to the tube 54 via the opened delivery member 53 .

[0062] figure 1 The reservoir 51 is fitted with a mobile separating member or diaphragm 57 . The membrane 57 separates the gaseous propellant G from the liquid L.

[0063] Gas delivery plane (gas delivery via radial nozzles: see figure 2 ) perpendicular to the main axis of generator 1 to avoid any propulsion. However, the deflector 8 is capable of deflecting the gas flow along the path of travel of the moving separating member 57 . Said deflector 8 thus has the already mentioned function of limiting the thermal and mechanical stresses generated by the extr...

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Abstract

The subject matter of the present invention relates to a device (50) for propelling a liquid (L), comprising a reservoir (51) provided with a mobile separation member (57) and a pyrotechnic gas generator (1) arranged inside said reservoir (51), provided with nozzles (4a, 4b, 4a', 4b'). Characteristically, said nozzles (4a, 4b, 4a1, 4b') of said gas generator (1) are radially arranged on the wall or walls of said body (2) and said gas generator (1), arranged in such a way that the axis thereof coincides with the axis of movement of said mobile separation member (57), is provided with a baffle (8) for diverting said generated combustion gases (G) along said axis of movement of said mobile separation member (57).

Description

technical field [0001] The invention relates to a liquid propulsion device incorporating a pyrotechnic gas generator in its structure. Background technique [0002] Fire suppression devices, which are examples of liquid propelled devices, typically include a reservoir containing a fire suppression agent. The extinguishing agent is used to spread throughout the fire area to extinguish the fire and also prevent its spread. [0003] The traditional storage type fire extinguisher is a pressure storage type fire extinguisher. A disadvantage of these extinguishers is that the extinguishing agent or the gaseous propellant of such an extinguishing agent is stored under constant pressure, thus necessitating the necessary monitoring and inspection (eg periodic weighing) operations. Storing extinguishing agents under pressure is also rather tricky (due to microleakage problems). [0004] As an alternative to accumulator systems, a system using a pyrotechnic gas generator is proposed...

Claims

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Application Information

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IPC IPC(8): F42B3/04
CPCF42B3/04A62C35/023A62C13/22A62C13/66Y10T137/2213Y10T137/1827
Inventor 文森特·博达尔安东尼·许恩斯
Owner PYROALLIANCE
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