Magnetostrictive power supply for bottom hole assembly with rotation-resistant housing

A power supply includes a rotor having an undulated surface (658, 858, 958, 10, 58) and a magnetostrictive material disposed adjacent to the undulated surface. The undulated surface alternatingly compresses the magnetostrictive material as the rotor rotates, inducing an electric current in a conduct...

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Bibliographische Detailangaben
Hauptverfasser:	Dudley, James H, Samuel, Robello, Hay, Richard Thomas
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETECTING MASSES OR OBJECTS DYNAMO-ELECTRIC MACHINES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY FIXED CONSTRUCTIONS GENERATION GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A power supply includes a rotor having an undulated surface (658, 858, 958, 10, 58) and a magnetostrictive material disposed adjacent to the undulated surface. The undulated surface alternatingly compresses the magnetostrictive material as the rotor rotates, inducing an electric current in a conductor coupled to the magnetostrictive material.