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2 105 702

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C1

(51)

IPC

(21) (22)

Application

96114396/28, 1996-07-16

(22)

Actual filing date

1996-07-16

(45)

Published

1998-02-27

(72)

Inventor

Ivanov M.Ju.Syrovets M.N.Tupitsyn N.N.

(73)

Holder

Raketno-Kosmicheskaja Korporatsija Im.S.P.Koroleva

CRYOGENIC STAGE Russian patent published in 1998 - IPC

Abstract RU 2105702 C1

FIELD: rocketry and space engineering; cryogenic stages of spacecraft injected into high-energy working orbits from base orbit. SUBSTANCE: cryogenic stage includes cryogenic oxidizer tank, hydrocarbon fuel toroidal tank, liquid-propellant engine with attachment unit located coaxially relative to toroidal tank, rod truss for interconnection of oxidizer and fuel tanks and rod truss for securing the payload, as well as adapter bay for connection with previous stage of space rocket. Supporting units of rod truss and adapter bay are mounted on external circular surface of toroidal fuel tank and liquid-propellant engine attachment unit is mounted on internal circular wall of toroidal fuel tank by means of radial pylons, in particular. EFFECT: reduction of mass of cryogenic stage due to use of toroidal fuel tank as primary load-bearing unit and securing of cryogenic oxidizer tank and engine attachment unit directly on it. 2 cl, 2 dwg

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RU 2 105 702 C1

Authors

Ivanov M.Ju.

Syrovets M.N.

Tupitsyn N.N.

Dates

1998-02-27—Published

1996-07-16—Filed

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