A fluid-driven alternator having an internal impeller

Details A fluid-driven alternator having an internal impeller A fluid-driven alternator having an internal impeller

E - Fixed Constructions

21

B

E21B 41/00 (2006.01)

Patent

CA 2355606

A fluid-driven alternator for use in a downhole well bore having fluid flowing therethrough includes a housing (6) and an internal impeller (12) rotatably mounted in the housing. A stator (20) and rotor (16) are mounted within the housing, and the internal impeller is coupled to the rotor. Fluid flowing through the housing rotates the impeller which in turn rotates the rotor. A flow diverter (25) can be provided to direct fluid into the housing.

La présente invention concerne un alternateur entraîné par un fluide, s'utilisant dans un puits de forage de fond où circule un fluide, et formé d'un corps (6) renfermant un impulseur interne (12) rotatif. Un stator (20) et un rotor (16) sont fixés à l'intérieur du corps, et l'impulseur interne est accouplé au rotor. Le fluide s'écoulant à l'intérieur du corps fait tourner l'impulseur qui, à son tour, fait tourner le rotor. L'invention peut comprendre un déflecteur d'écoulement (25) destiné à diriger le fluide à l'intérieur du corps.

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