| 摘要 |
A gas generator for generating gas under pressure. The gas generator comprises a device for providing a first gas including a pressure vessel containing the first gas, the first gas being an oxidizing gas; a device for providing a second gas adapted to be oxidized by the first gas and including a pyrotechnic charge for generating the second gas when ignited. An oxidation zone of the gas generator includes an outlet, the first gas and the second gas being adapted to undergo an oxidation reaction in the oxidation zone for generating the gas under pressure. The first gas and the second gas are directed to the oxidation zone such that the oxidation zone contains a mixture of the first gas and the second gas for the oxidation reaction thereof, the second gas being of a sufficiently elevated temperature to initiate the oxidation reaction in the oxidation zone. A back-up catalytic device ensures initiation of the oxidation reaction of the mixture.
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