PIPE LINE SHUT-OFF FITTINGS DRIVE

FIELD: pipe shut-off fittings drives; oil and gas transport pipe lines. SUBSTANCE: proposed drive includes transfer mechanism which is provided with shaft on which at least one screw with nut is fitted in off- center position. Nut is coaxial with shaft and diameter of its thread exceeds that of scre...

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Bibliographische Detailangaben
Hauptverfasser:	SHTIN I.V, BAKALOV S.I, KHOKHRJAKOV B.G
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	FIELD: pipe shut-off fittings drives; oil and gas transport pipe lines. SUBSTANCE: proposed drive includes transfer mechanism which is provided with shaft on which at least one screw with nut is fitted in off- center position. Nut is coaxial with shaft and diameter of its thread exceeds that of screw by doubled eccentricity between axes of screw and shaft. Located inside nut are slide block and planetary transmission which includes gear wheel (satellite) rigidly and coaxially secured with screw (carrier). EFFECT: reduction of labor consumption. 2 dwg