Dispersing unit

Details Dispersing unit Dispersing unit

A - Human Necessities

61

M

A61M 15/00 (2006.01)

Patent

CA 2641557

A dispersing unit for a powder inhaler comprises a mouthpiece (10) with an annular channel (12) for the delivery of a stream of particles. The annular channel has an axial inlet (14), and an axial outlet (16) adjoined by an annular deflection chamber (18) in which the axially incoming stream of particles is deflected to a predominantly radial direction of flow. The deflection chamber is adjoined in the axial direction by a rotation chamber (20) with a circular peripheral wall (22) and an axial outlet (24).

L'invention concerne une unité de dispersion pour un inhalateur de poudre, qui présente une embouchure (10) dotée d'un canal annulaire (12) qui permet d'y amener un écoulement de particules. Le canal annulaire possède une entrée axiale (14) et une sortie axiale (16) à laquelle se raccorde une chambre annulaire de déviation (18) dans laquelle l'écoulement axial de particules entrant est dévié dans une direction d'écoulement principalement radiale. Une chambre de rotation (20) dotée d'une paroi périphérique circulaire (22) et d'une sortie axiale (24) se raccorde dans la direction axiale à la chambre de déviation.

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