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2 085 886

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C1

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IPC

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Application

94020022/28, 1994-05-31

(22)

Actual filing date

1994-05-31

(45)

Published

1997-07-27

(72)

Inventor

Shcherbakov Eh.V.Ol'Shanskij V.A.Panov N.G.Trojnikov V.I.

(73)

Holder

Raketno-Kosmicheskaja Korporatsija Im.S.P.Koroleva

METHOD OF CHECK OF SPACE VEHICLE SYSTEM FOR TIGHTNESS Russian patent published in 1997 - IPC

Abstract RU 2085886 C1

FIELD: testing technology. SUBSTANCE: pressure of working medium in system, its temperature and ambient air pressure are measured at the beginning and at the end of holding period; besides that, change in integral temperature of liquid in liquid chamber of system within the same period of time is measured. Untightness of system is judged from volume of liquid contained in liquid chamber and mass of gas in gas chamber measured in filling the system with working medium. EFFECT: enhanced efficiency.

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RU 2 085 886 C1

Authors

Shcherbakov Eh.V.

Ol'Shanskij V.A.

Panov N.G.

Trojnikov V.I.

Dates

1997-07-27—Published

1994-05-31—Filed

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