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2 096 648

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C1

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IPC

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Application

3208064/11, 1988-09-01

(22)

Actual filing date

1988-09-01

(45)

Published

1997-11-20

(72)

Inventor

Derevjanko V.M.Nazarov S.P.Tarakanov A.V.Tkachenko A.I.Fisher A.Ja.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie Im.S.A.Lavochkina

PROPELLANT TANK (VERSIONS) Russian patent published in 1997 - IPC

Abstract RU 2096648 C1

FIELD: space engineering. SUBSTANCE: propellant tank is provided with fairings mounted on rods in poles of flexible expulsion device and rigidly connected with hold-downs. Fairings are made in form of truncated ogival surfaces coaxial relative to rod and having flat side faces. Their lesser bases are directed to center of tank; end surface of pipe unions engageable with end surfaces of sealing rings are provided with axial projections evenly distributed over circumference for engagement with respective end surface of hold-down; height of these projections is equal to 0.3-0.5 of thickness of sealing rings; thermal expansion coefficient of material of pipe unions is lesser than that of material of hold-downs by 1.5-2 times. Besides that, sealing rings are provided with layer made from material possessing higher plasticity as compared with material of envelope of flexible expulsion device. EFFECT: enhanced reliability of tank due to increased vibration strength of flexible expulsion device. 3 cl, 6 dwg

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RU 2 096 648 C1

Authors

Derevjanko V.M.

Nazarov S.P.

Tarakanov A.V.

Tkachenko A.I.

Fisher A.Ja.

Dates

1997-11-20—Published

1988-09-01—Filed

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