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2 524 789

(13)

(51)

IPC

F02K9/36(2006-01-01)

(21) (22)

Application

2013118505/06, 2013-04-22

(24)

Start date

2013-04-22

(22)

Actual filing date

2013-04-22

(45)

Published

2014-08-10

(72)

Inventor

Zharkov Aleksandr SergeevichAnisimov Igor' IvanovichLitvinov Andrej VladimirovichDochilov Nikolaj EgorovichKazakov Aleksandr AlekseevichOgorodnikov Sergej Petrovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Proizvodstvennyj Tsentr

SOLID-PROPELLANT ROCKET ENGINE Russian patent published in 2014 - IPC F02K9/36

Abstract RU 2524789 C1

FIELD: engines and pumps.

SUBSTANCE: rocket engine comprises housing with front and rear bottoms and channel charge secured with cylindrical part with collars distributed at the ends. Front bottom mouth flange is secured to perforate barrel circular ledge, said barrel being composed by a hollow cylinder of incombustible material arranged coaxially in charge channel with clearance. Barrel length makes at least the axial distance from front bottom mouth flange to half the projection of front end uncoupled part on charge channel axis. Barrel wall depth decreases towards rear bottom side. Barrel perforation represents slit cut-outs located over its generating surface facing the charge and circular holes made at the level of behind-the-collar clearance extending to charge channel.

EFFECT: decreased tear-off contact strains in propellant edge zones.

4 cl, 2 dwg

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RU 2 524 789 C1

Authors

Zharkov Aleksandr Sergeevich

Anisimov Igor' Ivanovich

Litvinov Andrej Vladimirovich

Dochilov Nikolaj Egorovich

Kazakov Aleksandr Alekseevich

Ogorodnikov Sergej Petrovich

Dates

2014-08-10—Published

2013-04-22—Filed