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2 147 342

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IPC

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Application

98119256/06, 1998-10-23

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Start date

1998-10-23

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Actual filing date

1998-10-23

(45)

Published

2000-04-10

(72)

Inventor

Aljazhedinov V.R.Belobragin V.N.Borisov O.G.Denezhkin G.A.Kashirkin A.A.Makarovets N.A.Semilet V.V.Podchufarov V.I.

(73)

Holder

Gosudarstvennoe Nauchno-Proizvodstvennoe Predprijatie

SOLID-PROPELLANT ROCKET ENGINE Russian patent published in 2000 - IPC

Abstract RU 2147342 C1

FIELD: rocket manufacturing. SUBSTANCE: proposed engine is designed for rockets with charge of high-impulse heterogeneous solid propellants or propellants liable to vibratory combustion. Engine has housing, nozzle unit, solid propellant charge with flexible collars arranged at end faces reliable connected with housing. End face of charge pointed to nozzle unit is located at a distance of 4-16 initial thicknesses of charge burning arch critical section of nozzle unit. Inner diameter of collar at indicated end face is equal to 0.7-0.9 of maximum outer diameter of charge. EFFECT: provision of effective damping of pressure high-frequency and low-frequency fluctuations in engine at high parameters of loading density, minimization of torques built by engine as a result of eccentricity of thrust. 2 dwg

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RU 2 147 342 C1

Authors

Aljazhedinov V.R.

Belobragin V.N.

Borisov O.G.

Denezhkin G.A.

Kashirkin A.A.

Makarovets N.A.

Semilet V.V.

Podchufarov V.I.

Dates

2000-04-10—Published

1998-10-23—Filed