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2 513 862

(13)

(51)

IPC

F02K9/97(2006-01-01)

(21) (22)

Application

2013104049/06, 2013-01-30

(24)

Start date

2013-01-30

(22)

Actual filing date

2013-01-30

(45)

Published

2014-04-20

(72)

Inventor

Izhutkin Sergej Gennad'EvichIzhutkina Alevtina PetrovnaOsokin Aleksandr Jur'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Proizvodstvennoe Ob"Edinenie

ROCKET ENGINE NOZZLE PLUG Russian patent published in 2014 - IPC F02K9/97

Abstract RU 2513862 C1

FIELD: engines and pumps.

SUBSTANCE: proposed plug is composed of spherical membrane secured at the nozzle subsonic section. Circular weakened section and peripheral radial grooves are made on spherical membrane surface, on nozzle throat side. Circular weakened section diameter makes 0.93-0.97 of nozzle throat diameter. Membrane thickness in said radial grooves equals 1.5-1.8 of membrane depth in said circular weakened section.

EFFECT: higher reliability of rocket engine.

4 dwg

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RU 2 513 862 C1

Authors

Izhutkin Sergej Gennad'Evich

Izhutkina Alevtina Petrovna

Osokin Aleksandr Jur'Evich

Dates

2014-04-20—Published

2013-01-30—Filed