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2 011 914

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C1

(51)

IPC

(21) (22)

Application

4860778/29, 1990-08-20

(22)

Actual filing date

1990-08-20

(45)

Published

1994-04-30

(72)

Inventor

Matveev A.S.Zuev M.P.Varukhin Ju.I.

(73)

Holder

Aktsionernoe Obshchestvo

SAFETY DRAIN VALVE Russian patent published in 1994 - IPC

Abstract RU 2011914 C1

FIELD: manufacture of fittings. SUBSTANCE: when valve is to operate as safety valve, electromagnetic drive 13 is switched on. Armature of drive 13 compresses spring 14 and shifts it to extreme left-hand position when head of shut-off member 12 is pressed against seat of spool valve 5 closing the inlet of passage 6 and separating the working chamber 9 off its outlet hole 4. EFFECT: extended operational capabilities and reduced overall dimensions of the valve. 1 dwg

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RU 2 011 914 C1

Authors

Matveev A.S.

Zuev M.P.

Varukhin Ju.I.

Dates

1994-04-30—Published

1990-08-20—Filed

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