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2 206 692

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C1

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IPC

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Application

2002106331/12, 2002-03-11

(24)

Start date

2002-03-11

(22)

Actual filing date

2002-03-11

(45)

Published

2003-06-20

(72)

Inventor

Red'Ko P.G.Ambarnikov A.V.Verin N.A.Kutyrin N.A.Trofimov S.E.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Mashinostroitel'Nyj Zavod Voskhod"

PNEUMATIC DRIVE OF VEHICLE DOOR Russian patent published in 2003 - IPC

Abstract RU 2206692 C1

FIELD: pneumatics, applicable as an actuator of door leaf opening - closing of buses and trolleybuses. SUBSTANCE: the door pneumatic drive has a pneumatic cylinder, air distributor and an emergency valve connected by flexible pipe-lines. To prevent a loss of force at the door leaves at an emergency loss of pressure in the pneumatic system, a shut-off valve automatically closing the air pressure in the working cavity of the pneumatic cylinder is built in the working cavity of the pneumatic cylinder responsible for closing of the door leaves. EFFECT: enhanced reliability. 1 dwg

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RU 2 206 692 C1

Authors

Red'Ko P.G.

Ambarnikov A.V.

Verin N.A.

Kutyrin N.A.

Trofimov S.E.

Dates

2003-06-20—Published

2002-03-11—Filed

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