SOLID-PROPELLANT CHARGE Russian patent published in 1999 - IPC

Abstract RU 2133370 C1

FIELD: solid-propellant rocket engines with tubular brush-type powder charge. SUBSTANCE: charge has cover with pins fitted in this cover for securing grains. Cover provided with bead is filled with elastic adhesive material; pins are made in form of cotter pins whose parts are bonded into channel of grain and ear is partially bonded into elastic adhesive material. Part of outer surface of cotter pin bonded into channel of grain is provided with transversal notches; both parts of cotter pin are provided with limiting stops engageable with end face of grain. EFFECT: enhanced reliability of attachment of grains in cover excluding destruction of charge and enhancing its power efficiency. 1 dwg

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RU 2 133 370 C1

Authors

Bol'Shakov A.N.

Glukharev N.N.

Sedova V.N.

Shirjaeva N.N.

Dates

1999-07-20—Published

1997-07-01—Filed