| 摘要 |
<p>A system utilizing the combination of an aerosol and a flowing clean gas stream, to inspect sealed packages for leaks by an aerosol detector (70) and detector valve (60). In a first and second embodiment according to the invention using an aerosol generator (20), an aerosol is directed thru or applied inside package (50) via tubing (80) and two connectors (40, 41), while a substantially aerosol free gas stream, particle free, from a gas source (10) is fed thru tubing (90) to flow around the outside of package contained in a sealed test chamber (30). In the first application of the aerosol to the inside of the package, the aerosol gas stream flows through the package; in the second or static situation performed without the second connector (41), aerosol simply will fill the package. For third embodiment of the method, the aerosol flows around the outside of the package while the aerosol free gas stream flows through the inside of the package.</p> |
