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2 102 623

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IPC

(21) (22)

Application

96105263/06, 1996-03-19

(22)

Actual filing date

1996-03-19

(45)

Published

1998-01-20

(72)

Inventor

Arashkevich I.M.Belobragin V.N.Borisov O.G.Denezhkin G.A.Makarovets N.A.Podchufarov V.I.Proskurin N.M.Semilet V.V.

(73)

Holder

Gosudarstvennoe Nauchno-Proizvodstvennoe Predprijatie

SOLID-PROPELLANT ROCKET ENGINE Russian patent published in 1998 - IPC

Abstract RU 2102623 C1

FIELD: solid-propellant rocket engines with high-pulse solid-propellant charges showing a tendency to vibratory combustion. SUBSTANCE: engine includes housing with sectional solid-propellant charge and damping rings mounted inside it, nozzle unit and ignition device; engine is additionally provided with acoustic chambers located between sections of charge; these chambers have varying section. Damping rings are located at ends of each section of charge between propellant and housing; mating surfaces of each damping ring and charge sections are made in form of truncated cones and are separated by flexible envelops fitted between these surfaces; lesser bases of above-mentioned surfaces are directed towards respective ends of charge sections; bushes are fitted between ends of damping rings of adjacent sections of charge. Each acoustic chamber is formed by end surfaces of adjacent sections of charge directed towards each other and inner surface of respective bush. EFFECT: enhanced efficiency. 2 dwg

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RU 2 102 623 C1

Authors

Arashkevich I.M.

Belobragin V.N.

Borisov O.G.

Denezhkin G.A.

Makarovets N.A.

Podchufarov V.I.

Proskurin N.M.

Semilet V.V.

Dates

1998-01-20—Published

1996-03-19—Filed