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    • 4. 发明申请
    • AEROSOL GENERATOR
    • 航空发电机
    • WO2012168181A1
    • 2012-12-13
    • PCT/EP2012/060488
    • 2012-06-04
    • PARI PHARMA GMBHSCHULZ, HaraldHOLZMANN, PhilippSEIDEL, DominiqueHAHN, Michael
    • SCHULZ, HaraldHOLZMANN, PhilippSEIDEL, DominiqueHAHN, Michael
    • A61M15/00A61M11/00B05B17/06
    • B05B17/0646A61M11/005A61M15/00A61M15/0015A61M15/0018A61M15/0085
    • An aerosol generator for generating an aerosol from a fluid, comprising: a vibratable membrane (22) having a first side (24) for being in contact with the fluid and an opposite second side (25), the membrane having a plurality of through holes (26) penetrating the membrane in an extension direction (E) from the first side to the second side, whereby the fluid passes the through holes from the first side to the second side when the membrane is vibrated for generating the aerosol at the second side, each through hole (26) having along its extension direction (E) a smallest diameter (Ds), a larger diameter (DL) that is larger than the smallest diameter and defined by that diameter that is closest to triple, preferably twice said smallest diameter, each through hole having a nozzle portion (32) defined by that continuous portion of the through hole in the extension direction comprising the smallest diameter of the through hole and bordered by the larger diameter of the through hole, characterized in that the ratio of the total length of each through hole (26) in the extension direction to the length of a respective one of said nozzle portions (32) in the extension direction is at least (4), preferably at least (4.5) and most preferred equal to or larger than (5).
    • 一种用于从流体产生气溶胶的气溶胶发生器,包括:具有用于与流体接触的第一侧面(24)和相对的第二侧面(25)的可振动膜(22),所述膜具有多个通孔 (26)从所述第一侧向所述第二侧沿延伸方向(E)穿透所述膜,由此当所述膜振动以在所述第二侧产生所述气溶胶时,所述流体从所述第一侧向所述第二侧通过所述通孔 每个通孔(26)沿着其延伸方向(E)具有最小直径(Ds),大直径(DL)大于最小直径并且由最接近三重的直径限定,优选地为最小直径的两倍 每个通孔具有由所述通孔在延伸方向上的连续部分限定的喷嘴部分(32),所述喷嘴部分包括通孔的最小直径并且由通孔的较大直径界定, 其特征在于,每个通孔(26)在延伸方向上的总长度与相应的一个所述喷嘴部分(32)在延伸方向上的长度的比率至少为(4),优选至少为(4.5) ),最优选等于或大于(5)。