Propellant grain assembly for a gas generator

Details Propellant grain assembly for a gas generator Propellant grain assembly for a gas generator

1990-11-30

1992-04-07

Carone, Michael J.

Ammunition and explosives

Powder form

Having burning inhibiting means

102530, C06D 500

Patent

active

051017318

ABSTRACT:
A gas generator for a long range missile is driven by a solid propellant in assembly which includes a cylindrical inhibitor, a forward closure assembly that is attached to one end of the inhibitor and a propellant grain that is cast into the cylindrical cavity formed by the interior surface of the cylindrical inhibitor. Between the grain and inhibitor and between the grain and forward closure assembly is an adhesive bonding system for attaching the grain to the inhibitor and forward closure assembly. The exposed or aft end of the grain is the initial burning surface and includes a plurality of annular concentric grooves and a configuration that provides optimum burn progression that results in a complete high pressure burn. The external surface of the inhibitor is machined so that the solid propellant grain assembly may be readily inserted and removed from the gas generator.

REFERENCES:
patent: 2921521 (1960-01-01), Haye et al.
patent: 3107620 (1963-10-01), O'Donnell
patent: 3173370 (1965-03-01), Landry, Jr. et al.
patent: 3256819 (1966-06-01), Leeper
patent: 4007685 (1977-02-01), Nimylowycz

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