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2 293 868

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IPC

F02K9/97(2006-01-01)

(21) (22)

Application

2005125499/06, 2005-08-10

(24)

Start date

2005-08-10

(22)

Actual filing date

2005-08-10

(45)

Published

2007-02-20

(72)

Inventor

Grebenkin Vladimir IvanovichZykov Gennadij AleksandrovichBondarenko Sergej AleksandrovichBolotov Aleksandr Arkad'EvichKotchurov Adol'F Grigor'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Proizvodstvennoe Ob"Edinenie

ROCKET ENGINE EXPANDABLE NOZZLE Russian patent published in 2007 - IPC F02K9/97

Abstract RU 2293868 C1

FIELD: rocketry; expandable nozzles for solid propellant and liquid propellant rocket engines.

SUBSTANCE: proposed expandable nozzle of rocket engine has bell mouth and shiftable members, members alignment mechanism, guide cylinder inside member. Ring projection made on out of guide cylinder is pointed inwards passage part of nozzle, and on end part of outer surface of bell mouth of nozzle ring groove is made to accommodate ring projection.

EFFECT: improved reliability of operation of expandable nozzle with one or several nozzle members.

2 dwg

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RU 2 293 868 C1

Authors

Grebenkin Vladimir Ivanovich

Zykov Gennadij Aleksandrovich

Bondarenko Sergej Aleksandrovich

Bolotov Aleksandr Arkad'Evich

Kotchurov Adol'F Grigor'Evich

Dates

2007-02-20—Published

2005-08-10—Filed