Leak Detector With a Sniffer Probe
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United States of America Patent
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Issued Date -
Jan 10, 2008
app pub date -
Apr 28, 2005
filing date -
Jun 18, 2004
priority date (Note) -
Abandoned
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Abstract
In a leak detector with a sniffer probe, the invention provides that the sniffer tube (12), which is provided in the form of a throttling capillary line and which leads from the sniffer probe (10) to a vacuum chamber (13), has an inner cross-sectional area that varies in the longitudinal direction. The cross-sectional area enlarges in the direction of flow of the drawn-in gas, thus from the inlet (11) to the vacuum chamber. This reduces the dead time, i.e. the transit time of the gas through the sniffer tube (12).
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