Double-base rocket propellants, and rocket assemblies comprising the same
AssigneeAlliant Techsystems Inc.
InventorsCraig D. Hughes, Reed J. Blau
Life of this patent
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Abstract
This rocket motor propellant includes a combustible double-base propellant and non-carbonized, non-graphitized polymeric fibers dispersed in the double-base propellant. The double-base propellant is formed from a composition comprising nitrocellulose and at least one nitrate ester. Representative polymeric fibers include polyethylene, polypropylene, polyesters, polyamides, polyacrylonitriles and combinations thereof.
Claims16
A rocket motor propellant comprising:
- a combustible double-base propellant formed from a composition comprising nitrocellulose and at least one nitrate ester;
- and
- non-carbonized, non-graphitized polymeric fibers dispersed in the double-base propellant.
A rocket motor assembly comprising a rocket motor case, a solid propellant grain contained in the rocket motor case, and a nozzle in operative association with the rocket motor case to receive and discharge combustion products generated upon ignition of the solid propellant grain, the solid propellant grain comprising:
- a combustible double-base propellant formed from a composition comprising nitrocellulose and at least one nitrate ester;
- and
- non-carbonized, non-graphitized polymeric fibers dispersed in the double-base propellant.
Dependencies are inferred from the claim text.