DRIVE FOR PIPE LINE SHUT-OFF FITTINGS Russian patent published in 1999 - IPC

Abstract RU 2132990 C1

FIELD: remote and local control of high-pressure gate valves fitted in main pipe lines. SUBSTANCE: drive includes bearing body and electric motor with hollow rotor. Member of valve made in form of screw spindle passes through body and hollow rotor. Bearing body is connected with electric motor and screw spindle through intermediate solids of revolution. EFFECT: improved service properties of drive. 9 cl, 4 dwg

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RU 2 132 990 C1

Authors

Beljaev M.V.

Zamjakin S.P.

Korchagin P.I.

Prokof'Ev V.V.

Khoperskij G.G.

Dates

1999-07-10—Published

1998-06-08—Filed