DEBRIS TOLERANT FLUX GUIDED DOWNHOLE ROTATING MACHINE

A downhole rotating machine includes a stator having stator windings and corresponding magnetic flux guides and a rotor having a plurality of magnets configured to cooperate with the stator windings and the corresponding magnetic flux guides to generate a magnetic field in a magnetic gap that is sub...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Fripp, Michael Linley, Ornelaz, Richard Decena
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRICITY FIXED CONSTRUCTIONS GENERATION MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A downhole rotating machine includes a stator having stator windings and corresponding magnetic flux guides and a rotor having a plurality of magnets configured to cooperate with the stator windings and the corresponding magnetic flux guides to generate a magnetic field in a magnetic gap that is substantially parallel to an axis of rotation of the rotor, wherein the magnetic gap provides a magnetic gap separation between the plurality of magnets and the corresponding magnetic flux guides that is at least five percent of an overall diameter of the downhole rotating machine. A method of operating a downhole tool in a wellbore and a downhole tool are also provided.