Controllable Mechanical Transmission For Downhole Applications

A transmission for rotatably coupling an input shaft with an output shaft about a longitudinal axis is disclosed, which may include a continuous variable transmission and an output torque sensing control mechanism. The continuous variable transmission may be a toroidal disc continuous variable trans...

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Bibliographische Detailangaben
Hauptverfasser:	SHEIRETOV TODOR, NELSON KEITH R
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A transmission for rotatably coupling an input shaft with an output shaft about a longitudinal axis is disclosed, which may include a continuous variable transmission and an output torque sensing control mechanism. The continuous variable transmission may be a toroidal disc continuous variable transmission. The output torque sensing control mechanism may include a spring and an intermediary output shaft rotatably connected with an output rotating member of the continuous variable transmission, and the output shaft may be externally threaded and matable with an internally threaded portion of the intermediary output shaft.