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2 086 016

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C1

(51)

IPC

(21) (22)

Application

93011394/25, 1993-03-01

(22)

Actual filing date

1993-03-01

(45)

Published

1997-07-27

(72)

Inventor

Nikitin V.P.Ogloblin B.G.Smirnov B.N.

(73)

Holder

Tsentral'Noe Konstruktorskoe Bjuro Mashinostroenija

METHOD FOR REDUCING RESIDUAL GAS PRESSURE IN NUCLEAR POWER PLANT CAVITIES Russian patent published in 1997 - IPC

Abstract RU 2086016 C1

FIELD: nuclear power engineering. SUBSTANCE: power plant cavities are evacuated by means of vacuum system to static pressure of 10-2 to 10-3 Pa. Upon attaining mentioned pressure, cavities are filled with cesium vapors until pressure of 400 to 600 Pa is attained; then these vapors are discharged to vacuum system by condensation upon holding them in cavities 1-2 h. Pressure obtained is compared with initial value and process is repeated until these pressures are equalized. EFFECT: facilitated procedure.

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RU 2 086 016 C1

Authors

Nikitin V.P.

Ogloblin B.G.

Smirnov B.N.

Dates

1997-07-27—Published

1993-03-01—Filed

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