Impeller device for data acquisition in a flow

This invention relates to an impeller device for data acquisition in a flow. It comprises a support ( 3 ) with two bearing blocks ( 4.1, 4.2 ) to hold a spindle ( 2 ) around which the impeller ( 1 ) is fitted. The spindle ( 2 ) comprises two approximately conical ends ( 5 ). The bearing blocks ( 4.1...

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Bibliographische Detailangaben
Hauptverfasser:	FABIEN CENS, GILBERT GALLAND
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	This invention relates to an impeller device for data acquisition in a flow. It comprises a support ( 3 ) with two bearing blocks ( 4.1, 4.2 ) to hold a spindle ( 2 ) around which the impeller ( 1 ) is fitted. The spindle ( 2 ) comprises two approximately conical ends ( 5 ). The bearing blocks ( 4.1, 4.2 ) are made from a material with the lowest possible coefficient of friction and each comprises an approximately conical recess ( 6 ) into which one of the ends ( 5 ) of the spindle ( 2 ) fit.