Device and method for feeding particles into a stream

Details Device and method for feeding particles into a stream Device and method for feeding particles into a stream

E - Fixed Constructions

21

B

E21B 7/18 (2006.01) E21B 21/08 (2006.01)

Patent

CA 2626925

A device (20) is provided for feeding a plurality of particles into a stream at a controlled rate, the device comprising a conduit having a flow passage for feeding the particles into the stream, and pulsating means (36,40,42) for inducing a pulsed flow of the particles through the flow passage.

La présente invention concerne un dispositif de distribution d'une pluralité de particules dans un courant à une vitesse contrôlée, le dispositif comprenant un conduit qui possède un passage d'écoulement de distribution des particules dans le courant, et des moyens d'impulsions pour provoquer un écoulement à impulsions des particules à travers le passage d'écoulement.

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