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(19)

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2 704 058

(13)

(51)

IPC

F02K9/28(2006-01-01)

(21) (22)

Application

2018140861, 2018-11-20

(24)

Start date

2018-11-20

(22)

Actual filing date

2018-11-20

(45)

Published

2019-10-23

(72)

Inventor

Gramenitskij Mikhail DmitrievichKulikov Aleksandr YurevichLipatkin Aleksej MikhajlovichMakarevskij Dmitrij Igorevich

(73)

Holder

Aktsionernoe Obshchestvo Konstruktorskoe Byuro Imeni Ivana Ivanovicha Kartukova"

SEPARATING BOTTOM OF MULTI-IMPULSE SOLID PROPELLANT ROCKET ENGINE Russian patent published in 2019 - IPC F02K9/28

Abstract RU 2704058 C1

FIELD: engines and pumps.

SUBSTANCE: separating bottom of multi-impulse solid-propellant rocket engine comprises housing, launching and sustainer chambers with powder channel charges. Bottom is monolithic with groups of perforated holes symmetrically located relative to the longitudinal axis and closed by flat thin-walled membranes tightly fixed on the dividing bottom and having heat-resistant coating. Groups of perforated holes in monolithic separating bottom are arranged arbitrarily relative to channels (slots) of sustainer chamber, and size of holes is selected from ratios protected by present invention.

EFFECT: invention allows improving strength and reliability of rocket engine and reducing labor intensity of manufacturing.

1 cl, 5 dwg

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RU 2 704 058 C1

Authors

Gramenitskij Mikhail Dmitrievich

Kulikov Aleksandr Yurevich

Lipatkin Aleksej Mikhajlovich

Makarevskij Dmitrij Igorevich

Dates

2019-10-23—Published

2018-11-20—Filed