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2 180 049

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C1

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Application

2001109842/02, 2001-04-16

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Start date

2001-04-16

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Actual filing date

2001-04-16

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Published

2002-02-27

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Inventor

Aljazhedinov V.R.Denezhkin G.A.Kaljuzhnyj G.V.Kuz'Mitskij G.Eh.Makarovets N.A.Obozov L.I.Semilet V.V.Talalaev A.P.

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Proizvodstvennoe Predprijatie

SOLID-PROPELLANT CHARGE Russian patent published in 2002 - IPC

Abstract RU 2180049 C1

FIELD: rocket engines of reaction volley fire systems. SUBSTANCE: proposed solid-propellant charge has housing, protection-and-holding layer, head half-charge with spider-like channels, tail half-charge with cylindrical channel and end face cups. Ring step axial cylindrical channel of diameter equal to 0.4- 0.6 of outer diameter of cross-section arms of spider channel and length of channel equal to 0.8-1.2 of thickness of burning arch of half-charge is made at inlet into spider channel of head-charge. Conical section with cone angle of 30-60 deg with maximum diameter on front end face of head half-charge equal to 1.8 - 2.4 diameter of axial channel of ring step is made on end face surface of ring step. Central angle of cross- section arm of spider channel is equal to 0.6-0.7 of central angle of cross-section projection of spider channel. EFFECT: 8-10% increase in volumetric 8-10% increased in volumetric fill factor at 2-5% reduction of values of spreads in output characteristics. 3 dwg

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RU 2 180 049 C1

Authors

Aljazhedinov V.R.

Denezhkin G.A.

Kaljuzhnyj G.V.

Kuz'Mitskij G.Eh.

Makarovets N.A.

Obozov L.I.

Semilet V.V.

Talalaev A.P.

Dates

2002-02-27—Published

2001-04-16—Filed

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