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    • 1. 发明申请
    • METERED DOSE VALVE
    • 计量式阀门
    • US20110042419A1
    • 2011-02-24
    • US12681280
    • 2008-10-02
    • Peter D. HodsonMatthew A. GoringStephen J. HowgillJohn FieldingRachel V. ShawPaul A. CharnockStuart A. McGlassonStephen D. HelmGraham V. JacksonAnthony W. BalkwillJason A. Graves
    • Peter D. HodsonMatthew A. GoringStephen J. HowgillJohn FieldingRachel V. ShawPaul A. CharnockStuart A. McGlassonStephen D. HelmGraham V. JacksonAnthony W. BalkwillJason A. Graves
    • B65D83/00
    • A61M15/009B65D83/54
    • An aerosol metering valve comprising: (a) a valve stem movable between a rest position and a firing position comprising: a body portion comprising a circumferential sealing surface (b) a valve body comprising: a body wall, and an internal chamber defined at least in part by the body wall; and (c) a metering gasket having an inner periphery defining an aperture, being disposed near the most interior end of the internal chamber and being configured to be able to form a transient, substantially fluid-tight face seal against the circumferential sealing surface of the valve stem, where at the rest position of the valve stem, the body portion of the valve stem is located within the internal chamber and as the valve stem is moved from its rest position towards its firing position the circumferential sealing surface of the valve stem contacts the metering gasket to form a face seal thereby closing a metering chamber and thereafter further movement of the valve stem towards its firing position causes the metering gasket to deflect while maintaining the seal with the circumferential sealing surface of the valve stem; and wherein the metering gasket in an unbiased configuration is an annular disc having a substantially planar form and where the valve is constructed and arranged such that the inner periphery of the metering gasket is urged out of said substantially planar form at the rest position of the valve stem, or wherein the metering gasket is pre-biased into a dished-shape.
    • 一种气溶胶计量阀,包括:(a)可在静止位置和击发位置之间移动的阀杆,包括:主体部分,其包括周向密封表面(b)阀体,所述阀体包括:主体壁和至少限定的内部腔 部分由身体壁; 和(c)具有限定孔的内周边的计量垫片,其设置在内室的最内端附近,并且构造成能够形成一个瞬时的,基本上是流体密封的,面对密封面 阀杆,其中在阀杆的静止位置处,阀杆的主体部分位于内部腔室内,并且当阀杆从其静止位置朝向其击发位置移动时,阀杆的圆周密封表面接触 计量垫圈以形成面密封件,从而封闭计量室,此后阀杆朝向其点火位置的进一步运动导致计量垫片偏转,同时保持与阀杆的周向密封表面的密封; 并且其中所述计量垫片为无偏置构型,是具有基本上平面形状的环形盘,并且所述阀被构造和布置成使得所述计量垫片的内周边在所述阀的静止位置处被推出所述基本平坦的形式 杆,或其中计量垫片预偏置成碟形。
    • 2. 发明授权
    • Metered dose valve
    • 计量剂量阀
    • US08814009B2
    • 2014-08-26
    • US12681280
    • 2008-10-02
    • Peter D. HodsonMatthew A. GoringStephen J. HowgillJohn FieldingRichard D. BrewerRachael V. ShawPaul A. CharnockStuart A. McGlassonStephen D. HelmGraham V. JacksonAnthony W. BalkwillJason A. Graves
    • Peter D. HodsonMatthew A. GoringStephen J. HowgillJohn FieldingRichard D. BrewerRachael V. ShawPaul A. CharnockStuart A. McGlassonStephen D. HelmGraham V. JacksonAnthony W. BalkwillJason A. Graves
    • B65D83/00
    • A61M15/009B65D83/54
    • An aerosol metering valve comprising: (a) a valve stem movable between a rest position and a firing position comprising: a body portion comprising a circumferential sealing surface (b) a valve body comprising: a body wall, and an internal chamber defined at least in part by the body wall; and (c) a metering gasket having an inner periphery defining an aperture, being disposed near the most interior end of the internal chamber and being configured to be able to form a transient, substantially fluid-tight face seal against the circumferential sealing surface of the valve stem, where at the rest position of the valve stem, the body portion of the valve stem is located within the internal chamber and as the valve stem is moved from its rest position towards its firing position the circumferential sealing surface of the valve stem contacts the metering gasket to form a face seal thereby closing a metering chamber and thereafter further movement of the valve stem towards its firing position causes the metering gasket to deflect while maintaining the seal with the circumferential sealing surface of the valve stem; and wherein the metering gasket in an unbiased configuration is an annular disc having a substantially planar form and where the valve is constructed and arranged such that the inner periphery of the metering gasket is urged out of said substantially planar form at the rest position of the valve stem, or wherein the metering gasket is pre-biased into a dished-shape.
    • 一种气溶胶计量阀,包括:(a)可在静止位置和击发位置之间移动的阀杆,包括:主体部分,其包括周向密封表面(b)阀体,所述阀体包括:主体壁和至少限定的内部腔 部分由身体壁; 和(c)具有限定孔的内周边的计量垫片,其设置在内室的最内端附近,并且构造成能够形成一个瞬时的,基本上是流体密封的,面对密封面 阀杆,其中在阀杆的静止位置处,阀杆的主体部分位于内部腔室内,并且当阀杆从其静止位置朝向其击发位置移动时,阀杆的圆周密封表面接触 计量垫圈以形成面密封件,从而封闭计量室,此后阀杆朝向其点火位置的进一步运动导致计量垫片偏转,同时保持与阀杆的周向密封表面的密封; 并且其中所述计量垫片为无偏置构型,是具有基本上平面形状的环形盘,并且所述阀被构造和布置成使得所述计量垫片的内周边在所述阀的静止位置处被推出所述基本平坦的形式 杆,或其中计量垫片预偏置成碟形。