Installation for detecting the presence of helium in a fluid cir

Details Installation for detecting the presence of helium in a fluid cir Installation for detecting the presence of helium in a fluid cir

1996-05-22

1998-03-17

Williams, Hezron E.

Measuring and testing

Gas content of a liquid or a solid

Particular separator

73 407, 73 40, 95 53, 96 9, G01M 320

Patent

active

057289298

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.

REFERENCES:
patent: 3339341 (1967-09-01), Maxwell et al.
patent: 4294106 (1981-10-01), Gevaud et al.
patent: 4419882 (1983-12-01), Ishii et al.
patent: 4459844 (1984-07-01), Burkhart
patent: 4773256 (1988-09-01), Saulgeot
patent: 4918975 (1990-04-01), Voss
patent: 5022265 (1991-06-01), Voss
patent: 5297422 (1994-03-01), Baret
patent: 5341671 (1994-08-01), Baret et al.

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