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    • 9. 发明申请
    • METERING VALVE FOR A METERED DOSE INHALER
    • 计量阀用于计量的剂量吸入器
    • WO2003000570A1
    • 2003-01-03
    • PCT/US2002/015506
    • 2002-05-15
    • 3M INNOVATIVE PROPERTIES COMPANY
    • ARSENAULT, Cathleen, M.CASTRO, Gustavo, H.HERDTLE, Thomas
    • B65D83/14
    • B65D83/54A61M15/009
    • A metering valve (14) including a housing (18) that serves to house the various components of the metering valve (14). The top portion of the housing (18) attaches to the aerosol container (12). A valve (22) is seated within the valve housing (18) and in turn provides a housing for a valve stem (24). The housing (18), the valve body (22) and a diaphragm (20) may be aligned so that, together, they form an aperture. The metering valve (14) includes an interior chamber (38), a portion of which is occupied by a valve stem (24). One or more ports (46) provide fluid communication between the interior chamber (38) and the aerosol container (12). A spring (48) may serve to bias the valve stem (24) toward the resting position.
    • 一种计量阀(14),包括用于容纳计量阀(14)的各种部件的壳体(18)。 壳体(18)的顶部附接到气溶胶容器(12)。 阀(22)位于阀壳体(18)内,并且进而提供用于阀杆(24)的壳体。 壳体(18),阀体(22)和隔膜(20)可以对准,使得它们一起形成孔。 计量阀(14)包括内部腔室(38),其一部分被阀杆(24)占据。 一个或多个端口(46)在内部室(38)和气溶胶容器(12)之间提供流体连通。 弹簧(48)可以用于将阀杆(24)偏压到静止位置。