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2 286 459

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(51)

IPC

E21F1/00(2006-01-01)

F24F13/28(2006-01-01)

(21) (22)

Application

2006103893/06, 2006-02-10

(24)

Start date

2006-02-10

(22)

Actual filing date

2006-02-10

(45)

Published

2006-10-27

(72)

Inventor

Ershov Aleksandr VladimirovichZajtsev Sergej ViktorovichIzjumov Aleksej SergeevichKrivenko Andrej Askol'DovichLanchikov Konstantin Vasil'EvichLobanov Igor' Jur'EvichTrigubova Ljudmila Romual'Dovna

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

METRO VENTING CABIN Russian patent published in 2006 - IPC E21F1/00 F24F13/28

Abstract RU 2286459 C1

FIELD: ventilation of mines or tunnels, particularly metro venting system.

SUBSTANCE: venting cabin comprises head building located over tunnel and having wall closed in transversal plane. The wall is provided with air windows and roof extending beyond building wall contour. The cabin also has vertical enclosing structure made as annular body spaced from wall and roof of head building. Inner surface of annular body is provided with sound-absorbing lining extending from annular body bottom to line located under head building canopy.

EFFECT: reduced noise and improved anti-intrusion protection.

1 cl, 2 dwg

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RU 2 286 459 C1

Authors

Ershov Aleksandr Vladimirovich

Zajtsev Sergej Viktorovich

Izjumov Aleksej Sergeevich

Krivenko Andrej Askol'Dovich

Lanchikov Konstantin Vasil'Evich

Lobanov Igor' Jur'Evich

Trigubova Ljudmila Romual'Dovna

Dates

2006-10-27—Published

2006-02-10—Filed