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2 211 351

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C1

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IPC

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Application

2002119948/06, 2002-07-22

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Start date

2002-07-22

(22)

Actual filing date

2002-07-22

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Published

2003-08-27

(72)

Inventor

Alikin V.N.Kuz'Mitskij G.Eh.Fedchenko N.N.Semenov V.V.Ivanov V.E.Gabov A.V.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Zavod Im. S.M. Kirova"

COMPOSITE SOLID-PROPELLANT ROCKET ENGINE Russian patent published in 2003 - IPC

Abstract RU 2211351 C1

FIELD: rocketry. SUBSTANCE: proposed composite solid-propellant rocket engine has housing accommodating solid-propellant charge and igniter secured on front bottom plate of housing, and supersonic nozzle. Charge of propellant has overhanging front end. Igniter is arranged in cylindrical channel part of overhanging front end of charge with ring clearance. Burning surface in place of changing overhanging part to cylindrical channel is provided with different-shape ribbing (semiround, triangular, rectangular). Invention makes it possible to create solid-propellant engine featuring high thrust- to-weight ratio and summary thrust pulse and providing effective damping and stabilization, both of high frequency and low frequency pressure fluctuations in engine over entire period of its operation at high parameters of charging density. EFFECT: improved operation reliability. 4 dwg

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RU 2 211 351 C1

Authors

Alikin V.N.

Kuz'Mitskij G.Eh.

Fedchenko N.N.

Semenov V.V.

Ivanov V.E.

Gabov A.V.

Dates

2003-08-27—Published

2002-07-22—Filed

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