Apparatus for controlled delivery of particulate material

Details Apparatus for controlled delivery of particulate material Apparatus for controlled delivery of particulate material

G - Physics

01

N

73/102

G01N 1/00 (2006.01)

Patent

CA 2030588

TITLE Apparatus for Controlled Delivery of Particulate Material INVENTORS K. Nimalasiri de Silva Roger Guevremont ABSTRACT OF THE DISCLOSURE An apparatus that provides controlled volumetric delivery of particulate material, and particularly for delivery of a particulate sample for analysis, comprising; an elongated container for receiving particulate material to be delivered; a tubular member having a receiving inlet for insertion into the container, and an outlet; fluidizing means comprising means for effecting relative motion of the tubular member relative to the container at a rate sufficient to fluidize a surface portion of particulate material within the container when the tubular member is inserted therein; inlet means for receiving a transporting gas for transporting fluidized particulate material from the container; and traversing means for traversing the container relative to thetubular member along a common longitudinal axis at a predetermined rate selected to obtain the desired volumetric sample delivery rate.

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