Installation for detecting the presence of helium in a fluid circuit
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United States of America Patent
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Mar 17, 1998
Grant Date -
N/A
app pub date -
May 22, 1996
filing date -
May 24, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An installation for detecting the presence of helium in a fluid circuit, the installation including a tapping member constituting a volume comprising a first internal space and a second internal space separated from each other by a semi-permeable partition through which helium can pass, the first space of said tapping member being inserted in series in the fluid circuit, the second space being connected both to a gas source via an orifice having an adjustable aperture, and also to a pumping member via a pipe, the flow pumped through the pipe conveying the flow under viscous conditions towards a feed member connected to a helium leak detector.
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