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2 098 708

(13)

C1

(51)

IPC

(21) (22)

Application

95114682/06, 1995-08-31

(22)

Actual filing date

1995-08-31

(45)

Published

1997-12-10

(72)

Inventor

Vaninskij N.Kh.Gromov A.S.Ryzhik B.S.Lisovskij R.Z.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa Tekhnologija"

SHUT-OFF MEMBER END POSITION INDICATOR Russian patent published in 1997 - IPC

Abstract RU 2098708 C1

FIELD: pipe line fittings. SUBSTANCE: indicator includes nonmagnetic hollow housing with rod located inside and connected with shut-off member and carrying permanent control magnet. Indicator includes also electrical end position indicating unit made in form of hermetically sealed reed relays arranged axis-symmetrically around housing. Hollow compartment made from nonmagnetic material is mounted in zone of blind end of hollow housing coaxially with it. Compartment is provided with auxiliary permanent magnet mounted for axial displacement. Both magnets are directed towards each other by their similar poles. On opposite side, auxiliary permanent magnet is provided with indicating rod fitted with return spring which may extend beyond compartment. EFFECT: enhanced reliability. 6 cl, 1 dwg

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RU 2 098 708 C1

Authors

Vaninskij N.Kh.

Gromov A.S.

Ryzhik B.S.

Lisovskij R.Z.

Dates

1997-12-10—Published

1995-08-31—Filed

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