C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
280/227
C01B 21/02 (2006.01) B60R 21/12 (2006.01) C06D 5/00 (2006.01)
Patent
CA 1154049
7803-JO4 CP TITLE: METHOD OF AND APPARATUS FOR GAS GENERATION ABSTRACT OF THE DISCLOSURE: 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 com- bustion 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.
340555
Adams Gary V.
Schneiter Fred E.
Gowling Lafleur Henderson Llp
Thiokol Corporation
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