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2 159 887

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IPC

(21) (22)

Application

99120587/06, 1999-09-29

(24)

Start date

1999-09-29

(22)

Actual filing date

1999-09-29

(45)

Published

2000-11-27

(72)

Inventor

Tjurin V.S.Fadeev E.V.

(73)

Holder

Saratovskoe Aktsionernoe Proizvodstvenno-Kommercheskoe Otkrytoe Obshchestvo

RESPIRATORY VALVE Russian patent published in 2000 - IPC

Abstract RU 2159887 C1

FIELD: mechanical engineering. SUBSTANCE: respiratory valve is designed for gas space sealing and for adjustment of pressure of petroleum product vapours in reservoirs. Respiratory valve has body with pressure and vacuum gates. Pressure gates are made on pyramid wall of upper part of body, and slope angle of pressure plate plane makes up 15-45 deg. Relative to horizontal axis. Respiratory valve enhances reliability and safety of reservoir operation in higher-humidity and low-temperature regions. EFFECT: improved ecological protection. 1 dwg

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RU 2 159 887 C1

Authors

Tjurin V.S.

Fadeev E.V.

Dates

2000-11-27—Published

1999-09-29—Filed

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