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2 493 402

(13)

(51)

IPC

F02K9/32(2006-01-01)

(21) (22)

Application

2012113998/06, 2012-04-10

(24)

Start date

2012-04-10

(22)

Actual filing date

2012-04-10

(45)

Published

2013-09-20

(72)

Inventor

Pashin Sergej VladimirovichPashin Vladimir IvanovichVedernikova Ekaterina GavrilovnaLjang Il'Ja VladimirovichKychanova Valentina Nikolaevna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Polimernykh Materialov"

COMPOSITE SOLID PROPELLANT CHARGE Russian patent published in 2013 - IPC F02K9/32

Abstract RU 2493402 C1

FIELD: machine building.

SUBSTANCE: composite solid propellant charge comprises a body, a protective reinforcing layer and a unit of charge end part fixation in the form of an elastic element arranged between fuel and inner surface of the body. The elastic element has a circular cut, and the lower border of the elastic element is defined by a hypotenuse of a right triangle applied with the right angle to the circular cut top, where the horizontal cathetus is closer to the rocket engine body and has size of 0.03÷0.14 of the outer radius of the charge, and the vertical cathetus is equal to 0.03÷0.06 of the outer radius of the charge.

EFFECT: invention makes it possible to reduce contact stresses at the charge end, to increase mechanical reliability and to provide for uniform strength.

1 dwg

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RU 2 493 402 C1

Authors

Pashin Sergej Vladimirovich

Pashin Vladimir Ivanovich

Vedernikova Ekaterina Gavrilovna

Ljang Il'Ja Vladimirovich

Kychanova Valentina Nikolaevna

Dates

2013-09-20—Published

2012-04-10—Filed