Chemistry of inorganic compounds – Nitrogen or compound thereof
Patent
1979-10-29
1981-10-20
Smith, William F.
Chemistry of inorganic compounds
Nitrogen or compound thereof
422166, C01B 2102
Patent
active
042960843
ABSTRACT:
A solid fuel gas generator generates extremely clean odorless nitrogen gas by a combustion process that involves the burning in an annular combustion chamber having gas discharge orifices of a gas generant composition having combustion product residues including alkali metal oxides and hydroxides and which may also include iron particulates, and features the provision between the composition and the gas discharge orifices of an annular primary cooling and filtering pack in the combustion chamber for maximum retention therein of such combustion product residues, the cooling and filtering pack including a fine mesh screen surrounding the gas generant composition and one or more layers of fiberglass woven fabric around the screen, the fabric being selected for its characteristic property at the combustion chamber temperature of reacting with the caustic soda in the combustion products to form innocuous sodium silicate and of becoming tacky to enhance particle entrapment, and further features in surrounding relation to the combustion chamber an annular secondary cooling and filtering pack including an aluminum silicate blanket that reacts with caustic soda residue to form innocuous sodium silicate.
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Adams Gary V.
Schneiter Fred E.
Smith William F.
Thiokol Corporation
White Gerald K.
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