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Apparatus for producing a spray of droplets of a liquid
Apparatus for producing a spray of droplets of a liquid
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机译:用于产生液滴喷雾的设备
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摘要
Apparatus, for example an inhaler, is disclosed in which a spray is formed electrostatically from an outlet 6 to achieve uniform droplet size. The spray is then discharged for its intended use- in the example inhaling. The spray is discharged completely by corona produced by a sharp discharge electrode 16 which is charged to a polarity opposite that of the liquid. In order to prevent ine corona from spoiling the formation of the spray itself, the liquid at the outlet 6 is protected by a neutral shield electrode 8. The spray issues through a hole 14 in the shield electrode. The hole is sufficiently small to prevent corona getting through, yet sufficiently large to allow the spray through.
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