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2 034 583

(13)

(51)

IPC

(21) (22)

Application

4933767/23, 1991-03-07

(22)

Actual filing date

1991-03-07

(45)

Published

1995-05-10

(72)

Inventor

Glushko Viktor Alekseevich[Ua]Bol'Shakov Dmitrij Aleksandrovich[Ua]Ehnnan Alim-Abdul Amidovich[Ua]

(73)

Holder

Fiziko-Khimicheskij Institut Zashchity Okruzhajushchej Sredy I Cheloveka Pri Odesskom Gosudarstvennom Universitete Im.I.I.Mechnikova

RESPIRATOR EXPIRATORY VALVE UNIT Russian patent published in 1995 - IPC

Abstract RU 2034583 C1

FIELD: medical engineering; human respiration protection means. SUBSTANCE: device has casing with expiration port having external thread 4 and collar 3, perforated cover 5, leaf 6 of expiration valve. External face of casing 1 is bounded with saddle 7 of leaf 6. Channel 2 is made getting narrow when moving towards outlet opening with saddle of the leaf. EFFECT: improved performance characteristics. 1 dwg

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RU 2 034 583 C1

Authors

Glushko Viktor Alekseevich[Ua]

Bol'Shakov Dmitrij Aleksandrovich[Ua]

Ehnnan Alim-Abdul Amidovich[Ua]

Dates

1995-05-10—Published

1991-03-07—Filed