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2 219 408

(13)

C2

(51)

IPC

(21) (22)

Application

2001133479/06, 2001-12-13

(24)

Start date

2001-12-13

(22)

Actual filing date

2001-12-13

(45)

Published

2003-12-20

(72)

Inventor

Vaninskij N.Kh.Lisovskij R.Z.Fedoruk A.V.Kurmakaev M.Z.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo Tekhnologija"

SHUT-OFF VALVE Russian patent published in 2003 - IPC

Abstract RU 2219408 C2

FIELD: mechanical engineering. SUBSTANCE: invention relates to shut-off valves with electromagnetic drive. Proposed shut-off valve contains electromagnetic drive with coil connected with AC source through full-wave rectifier. Valve shat-off member is installed for interaction with switching device. Additional diode is placed in AC circuit. In preferable design version shut-off member is mechanically coupled with DC magnet, and switching device is made in form of sealed contact reed relay controlled by DC magnet. EFFECT: improved operation reliability and economy of drive. 4 cl, 4 dwg

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RU 2 219 408 C2

Authors

Vaninskij N.Kh.

Lisovskij R.Z.

Fedoruk A.V.

Kurmakaev M.Z.

Dates

2003-12-20—Published

2001-12-13—Filed

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