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2 248 458

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Application

2003119002/06, 2003-06-24

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Start date

2003-06-24

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Actual filing date

2003-06-24

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Published

2005-03-20

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Inventor

Kolesnikov V.I.Amarantov G.N.Talalaev A.P.Shamraev V.Ja.Dmitriev A.F.Lazebnyj V.N.Vronskij N.M.Fedchenko N.N.Guseva G.N.Gramenitskij M.D.Bytskevich V.M.Chub S.I.Volkov O.K.Kuz'Mitskij G.Eh.

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Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Institut Polimernykh Materialov"Otkrytoe Aktsionernoe Obshchestvo Konstruktorskoe Bjuro Im. I.I. Kartukova"

SOLID-PROPELLANT ROCKET ENGINE Russian patent published in 2005 - IPC

Abstract RU 2248458 C1

FIELD: solid-propellant rocket engines.

SUBSTANCE: proposed solid-propellant rocket engine has nozzle, igniter and solid propellant charge rigidly secured to engine body; solid-propellant charge has central star-shaped channel. Vertices of each pair of adjacent slots of channel are engageable by arc of circle which is concave inside central channel. Ratio of total length of circle arcs Larc to perimeter Pch is equal to 0.5<Larc/Pch< 1.0.

EFFECT: reduced flow rate of gas flow acting on burning surface of propellant.

4 dwg

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RU 2 248 458 C1

Authors

Kolesnikov V.I.

Amarantov G.N.

Talalaev A.P.

Shamraev V.Ja.

Dmitriev A.F.

Lazebnyj V.N.

Vronskij N.M.

Fedchenko N.N.

Guseva G.N.

Gramenitskij M.D.

Bytskevich V.M.

Chub S.I.

Volkov O.K.

Kuz'Mitskij G.Eh.

Dates

2005-03-20—Published

2003-06-24—Filed

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