Tracer-gas leak detector

Details Tracer-gas leak detector Tracer-gas leak detector

1991-10-15

1993-07-13

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 304, G01M 320

Patent

active

052263142

ABSTRACT:
The invention provides a tracer-gas leak detector including a secondary pumping set, a sole primary pumping set, a mass spectrometer connected to the inlet of the secondary pumping set, the outlet of the secondary pumping set being connected to the inlet of the primary pumping set by means of a duct equipped with an electromagnetic valve, and at least one pipe connecting a coupling for connection to an enclosure to be tested to the secondary pumping set, said pipe being equipped with a pneumatic valve which is opened by suction, wherein a buffer volume is connected both to a suction inlet of the primary pumping set by a link duct equipped with a first electrically actuated valve, and also to said pneumatic valve by a control duct equipped with a second electrically actuated valve.

REFERENCES:
patent: 3672207 (1972-06-01), Cramp et al.
patent: 3948083 (1976-01-01), Wickham
patent: 4051715 (1977-08-01), Ledeen et al.
patent: 4735084 (1988-04-01), Fruzzetti
patent: 4984450 (1991-01-01), Burger
patent: 5107697 (1992-04-01), Tallon et al.

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