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2 265 561

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IPC

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Application

2003123180/11, 2003-07-22

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Start date

2003-07-22

(22)

Actual filing date

2003-07-22

(45)

Published

2005-12-10

(72)

Inventor

Semenov Ju.P.Filin V.M.Klippa V.P.Veselov V.N.Zhuravlev V.I.Rozhkov M.V.Panchukov A.A.Rozhkov M.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Korporatsija Imeni S.P. Koroleva"

METHOD OF CUT-OFF OF ENGINE PLANT OF FINAL STAGE OF SPACE ROCKETS Russian patent published in 2005 - IPC

Abstract RU 2265561 C2

FIELD: rocketry and space engineering; injection of payload into orbit.

SUBSTANCE: proposed method consists in forming the command for cut-off of engine plant because of drop of oxidizer pressure after booster pump which is indicative of full consumption of oxidizer and cavitation stall of pressure head created by booster pump (due to inrush of pressurizing gas from oxidizer tank to pump inlet). Tests have demonstrated that cut-off of engine does not cause any trouble.

EFFECT: reduction of guaranteed amount of fuel of rocket final stage; increased mass of payload.

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RU 2 265 561 C2

Authors

Semenov Ju.P.

Filin V.M.

Klippa V.P.

Veselov V.N.

Zhuravlev V.I.

Rozhkov M.V.

Panchukov A.A.

Rozhkov M.V.

Dates

2005-12-10—Published

2003-07-22—Filed