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    • 4. 发明申请
    • Nasal Delivery Devices
    • 鼻输送装置
    • US20080289629A1
    • 2008-11-27
    • US11663099
    • 2005-09-15
    • Per Gisle DjupeslandRoderick Peter HafnerColin David Sheldrake
    • Per Gisle DjupeslandRoderick Peter HafnerColin David Sheldrake
    • A61M15/08
    • A61M15/002A61M15/0008A61M15/0021A61M15/0028A61M15/0035A61M15/0041A61M15/0045A61M15/0086A61M15/0091A61M15/0098A61M15/08A61M16/1055A61M16/1065A61M16/1075A61M2202/064
    • A nasal delivery device for and method of delivering substance to a nasal cavity of a subject, the delivery device comprising: a container-receiving unit comprising a container chamber for receiving a substance-containing container which contains substance to be delivered to the nasal cavity of the subject, the container chamber including an inlet and an outlet; a nosepiece unit including a nosepiece for fitting to a nasal cavity of the subject and being in fluid communication with the outlet of the container chamber; a mouthpiece unit including a mouthpiece in fluid communication with the inlet of the container chamber and through which the subject in use exhales, such as to entrain substance from the container and deliver the same through the nosepiece; and moisture-mitigation means for mitigating an effect of moisture in an exhaled breath on the entrainment of substance from the container, which means are provided, for example, by providing the container in a replaceable container-containing member, by a pressure-sensitive valve which normally closes the fluid connection between the container chamber and the mouthpiece, and a temperature regulator upstream of the container chamber.
    • 一种用于将物质递送到受试者鼻腔的鼻输送装置和方法,所述输送装置包括:容器接收单元,其包括用于接收含物质的容器的容器室,所述容器容纳物容纳要输送到鼻腔的物质 所述物体,所述容器室包括入口和出口; 鼻梁单元,其包括用于装配到被检体的鼻腔并与容器室的出口流体连通的鼻梁; 接口单元,其包括与容器室的入口流体连通的接口,并且被吸入物体通过其吸入,从而将物质夹带在容器中并将其传送通过喷嘴; 以及用于减轻呼出气中的湿气对来自容器的物质夹带的影响的减湿装置,该装置例如通过将容器设置在可更换容器的构件中,通过压敏阀 其通常关闭容器室和接口之间的流体连接,以及容器室上游的温度调节器。
    • 5. 发明授权
    • Electromagnetic flow measuring arrangement
    • 电磁流量测量装置
    • US4932268A
    • 1990-06-12
    • US251689
    • 1988-09-29
    • Peter Hafner
    • Peter Hafner
    • G01F1/58G01F15/02
    • G01F1/58G01F1/586G01F15/02
    • In an electromagnetic flow measuring arrangement an electrically conductive fluid flows through a measuring tube in which a magnetic field is generated transversely of the flow direction, whereby a voltage is induced which is proportional to the flow velocity. This voltage is tapped by means of two electrodes. The cavity of the measuring tube has an elliptical cross-section with two major axes, the first major axis coinciding with the connecting line of the two electrodes, and the second major axis coinciding with the direction of the magnetic field. The flow to be measured is proportional to the product of the measured flow velocity and the cross-section area of the cavity of the measuring tube. The flow measuring arrangement is constructed so that on changes of the cavity cross-section caused by external influences the cross-section retains substantially the profile of an ellipse and the length of the second major axis remains substantially constant. In this way external influences, such as pressure and temperature, that change the cross-section of the cavity of the measuring tube, do not affect the measuring result.
    • 在电磁流量测量装置中,导电流体流过其中横向于流动方向产生磁场的测量管,由此产生与流速成比例的电压。 该电压通过两个电极进行抽头。 测量管的空腔具有两个长轴的椭圆形截面,第一长轴与两个电极的连接线重合,第二个长轴与磁场的方向一致。 要测量的流量与测量流速和测量管腔的横截面面积的乘积成比例。 流量测量装置被构造成使得在由外部影响导致的空腔横截面的变化上,横截面基本上保持椭圆的轮廓并且第二长轴的长度保持基本恒定。 以这种方式,改变测量管的腔体横截面的诸如压力和温度的外部影响不影响测量结果。
    • 6. 发明授权
    • Method of compensating the interference DC voltages in the electrode
circuit in magnetic-conductive flow measurement
    • 在导磁流量测量中补偿电极电路中的干扰直流电压的方法
    • US4382387A
    • 1983-05-10
    • US254634
    • 1981-04-16
    • Peter Hafner
    • Peter Hafner
    • G01F1/60
    • G01F1/60
    • A method of compensating interference DC voltages in the electrode circuit in magnetic-conductive flow measurement with periodically reversed DC magnetic field in which the useful signal is obtained by sampling and storing the signal voltage after each reversal of the magnetic field at opposite polarity values of the magnetic field during a sampling time interval and forming the difference of the stored sampled values, and wherein in a compensating time interval following each sampling time interval a compensation voltage is produced by sampling and storing the signal voltage, which compensation voltage is superimposed oppositely on the signal voltage for compensating the signal voltage within the compensation time interval to the value zero and is retained until the next compensation time interval, wherein each compensation time interval lies within the time interval corresponding to the switched-on magnetic field, in which also the preceding sampling time interval lies.
    • 一种通过周期性反转的直流磁场对导电流量测量中的电极电路中的干扰直流电压进行补偿的方法,其中有用信号通过在每次反转磁场的相反极性值之后采样和存储信号电压而获得 并且形成所存储的采样值的差,并且其中在每个采样时间间隔之后的补偿时间间隔中,通过对所述信号电压进行采样和存储来产生补偿电压,所述补偿电压相对地叠加在所述补偿电压上 信号电压,用于将补偿时间间隔内的信号电压补偿到零值,并被保持直到下一个补偿时间间隔,其中每个补偿时间间隔位于与接通磁场对应的时间间隔内,其中也是前一个 采样时间间隔在于。