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2 197 413

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IPC

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Application

2001115907/28, 2001-06-08

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Start date

2001-06-08

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Actual filing date

2001-06-08

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Published

2003-01-27

(72)

Inventor

Tupitsyn N.N.Katkov R.Eh.Syrovets M.N.Fedorov V.I.Khaspekov V.G.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Korporatsija Im. S.P.Koroleva"

METHOD OF FILLING OXIDIZER TANK OF LAUNCH VEHICLE OF AIR-SPACE SYSTEM WITH LIQUID OXYGEN Russian patent published in 2003 - IPC

Abstract RU 2197413 C1

FIELD: aviation and space engineering; air start of launch vehicles. SUBSTANCE: proposed method includes filling pressurized oxidizer tank of launch vehicle with liquid oxygen before launch. Thermostatic control of oxygen is effected by means of additional cryogenic reservoir in the course of injection of launch vehicle to air start altitude. Used as cryogenic component of this reservoir is liquid nitrogen at initial temperature equal to boiling point at normal atmospheric pressure. This tank is used for heat exchange between oxygen and liquid nitrogen at circulation of nitrogen through heat exchange coil. Inner gas cavity of additional reservoir is communicated with atmosphere overboard carrier aircraft. Circulation of nitrogen through oxidizer tank is effected due to preset difference in levels in oxidizer tank and in additional reservoir on board of carrier aircraft. Proposed method improves service characteristics of system and simplifies equipment excluding losses of oxygen at thermostatic control and maintaining required excessive pressure in oxidizer tank of launch vehicle. EFFECT: enhanced efficiency. 1 dwg

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RU 2 197 413 C1

Authors

Tupitsyn N.N.

Katkov R.Eh.

Syrovets M.N.

Fedorov V.I.

Khaspekov V.G.

Dates

2003-01-27—Published

2001-06-08—Filed

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