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2 208 695

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C2

(51)

IPC

(21) (22)

Application

2001124061/06, 2001-08-29

(24)

Start date

2001-08-29

(22)

Actual filing date

2001-08-29

(45)

Published

2003-07-20

(72)

Inventor

Kuz'Mitskij G.Eh.Molchanov V.F.Alikin V.N.Pribyl'Skij R.E.

(73)

Holder

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

SOLID PROPELLANT CHARGE Russian patent published in 2003 - IPC

Abstract RU 2208695 C2

FIELD: rocket engines. SUBSTANCE: proposed solid propellant charge for rocket engine is made in form of grain with central star-like section through channel and restriction over outer surface. Restriction of thermoplastic and heat-resistant coatings. Heat resistant coating is applied in helical line with butt joint of edges at angle α to outer surface of grain chosen within the limits from arctg(πD/nL) to argtg(πD/L), where d is diameter of grain; L is length of grain; n is number of arms of grain profile. EFFECT: provision of high level of reliability of grain owing to exclusion of destruction and ejection of fragments of restriction and degressively burning propellant residues. 3 dwg

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RU 2 208 695 C2

Authors

Kuz'Mitskij G.Eh.

Molchanov V.F.

Alikin V.N.

Pribyl'Skij R.E.

Dates

2003-07-20—Published

2001-08-29—Filed

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