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    A VIBRATING APERTURE PLATE NEBULIZER
    1.
    发明申请
    A VIBRATING APERTURE PLATE NEBULIZER 审中-公开

    公开(公告)号：WO2021191163A1

    公开(公告)日：2021-09-30

    申请号：PCT/EP2021/057307

    申请日：2021-03-22

    Applicant: STAMFORD DEVICES LIMITED

    Inventor： CONNOLLY, Diarmuid ,  CARMODY, Colm ,  MAGUIRE, Finbarr ,  DUFFY, Aidan ,  TIMOTHY, Michael

    IPC: B05B17/00 ,  A61M15/00 ,  A61M11/00 ,  A61M11/005 ,  A61M15/0085 ,  B05B17/0646

    Abstract: A nebulizer (650) has an aerosol generator (651), a reservoir (652), and an aerosol outlet (653). A piezoelectric vibration generator (656) is on a downstream side of a support washer (655), and power to the piezo is provided by a spring contact assembly (657). The assembly (657) has upstanding electrical terminals (680, 681) for contact with electrical supply conductors. There are spring terminals (670) extending around a rim of the spring contact assembly (657) to engage an exposed underside of the washer (655), and a resilient ridge (671) extending in the upstream direction to engage the underside of the piezo (656), which itself is on the downstream side of the washer (655).

    A VIBRATING APERTURE PLATE NEBULIZER
    2.
    发明申请
    A VIBRATING APERTURE PLATE NEBULIZER 审中-公开

    公开(公告)号：WO2021191160A1

    公开(公告)日：2021-09-30

    申请号：PCT/EP2021/057304

    申请日：2021-03-22

    Applicant: STAMFORD DEVICES LIMITED

    Inventor： CONNOLLY, Diarmuid ,  CARMODY, Colm ,  MAGUIRE, Finbarr ,  DUFFY, Aidan

    IPC: B05B17/00 ,  A61M11/00 ,  A61M11/005 ,  A61M15/0085 ,  B05B17/0646

    Abstract: A nebulizer (1) has an aerosol generator (5) mounted in a housing (3), and has a vibratable aperture plate (41) mounted to an annular support (40) and to which is attached a vibration generator piezo (46). A downstream annular resilient seal (43) is mounted between the housing and the washer (40) on a side of the aperture plate opposed to the liquid supply reservoir (21). An upstream resilient seal (48) is in the form of a gasket and is mounted between the washer (40) and the housing reservoir (21), and has an opening (72) forming part of a throat (8) over the aperture plate (41). The gasket (48) has a washer-shaped body (70) extending radially from a downstream-extending rim (71) adjacent the aperture plate (41). There are two upwardly-directed ridges (74, 75) for engagement with a housing (21) surface, and the gasket is configured so that when under axial compression the opening (72) internal surface is tapered inwardly in a flow direction to form a funnel shape. The gasket may be textured with sufficient surface roughness to deter bubbles from attaching to a surface exposed to the throat.

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