Gas generator

B - Operations – Transporting – 60 – R

Patent

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Details

B60R 21/26 (2006.01)

Patent

CA 2141666

A gas generator (10) comprises a propellant container (30) having a plurality of propellant grains (40) therein, an igniter (24) for igniting the propellant grains (40), and a shock wave barrier (60) disposed in closely spaced relation to the igniter for attenuating a shock wave emanating therefrom so as to preclude of the propellant grains. By precluding fragmentation of the propellant grains 40), the shock wave barrier (60) reduces the likelihood of accelerated combustion of the propellant grains and resulting rapid, uncontrolled, and excessive pressure rise within the gas generator (10).

Un générateur de gaz (10) comporte un récipient (30) de propulseur constitué d'une pluralité de grains propulseurs (40), un dispositif de mise à feu (24) pour la mise à feu des grains propulseurs (40) et une barrière (60) contre l'onde de choc disposée tout près du dispositif de mise à feu pour atténuer l'onde de choc produite, afin d'empêcher une fragmentation des grains propulseurs. En empêchant la fragmentation des grains propulseurs (40), la barrière contre l'onde de choc (60) diminue la probabilité d'une combustion accélérée des grains propulseurs et l'augmentation de pression rapide, incontrôlée et excessive qui en résulterait dans le générateur de gaz (10).

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