| 摘要 |
PCT No. PCT/GB90/01198 Sec. 371 Date Apr. 1, 1992 Sec. 102(e) Date Apr. 1, 1992 PCT Filed Aug. 2, 1990 PCT Pub. No. WO91/03270 PCT Pub. Date Mar. 21, 1991.A nebulizer for liquids, particulate materials or liquids/solids suspensions, comprising, within a vessel (10) containing a reservoir (11), an upright duct (13) with a plurality of circumferentially spaced outlet apertures (20), enclosing a coaxial air line (14) feeding a plurality of jets (16) duly aligned with outlet apertures (20) in the upright duct (13) so that an annular column of material is drawn from reservoir (11) to be dispersed by entrainment in the air streams from the jets (16). Larger droplets may return to the reservoir (11) while the smaller fraction issues from the vessel through an outlet (12). The relatively large outlet apertures (20) and the large cross-sectional area of the column of the material prevent blockage at the nebulizer head. |
