Tracer gas leak detection system

Details Tracer gas leak detection system Tracer gas leak detection system

1990-10-22

1992-04-28

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 320

Patent

active

051076977

ABSTRACT:
A tracer gas leak detection system for: a first duct provided with a pre-evacuation valve, enabling a test chamber to be connected to the suction of a pre-evacuation pump. A gas analyzer is connected to the suction of a mechanical secondary pump whose delivery is connected by a second duct to a primary pump. At least one connection is provided with an inlet valve connecting of the text chamber to the mechanical secondary pump and the system further includes a second mechanical secondary pump situated on the first duct downstream from the pre-evacuation valve.

REFERENCES:
patent: 3690151 (1972-09-01), Briggs
patent: 4776207 (1988-10-01), Holme
patent: 4779449 (1988-10-01), Bley et al.
patent: 4919599 (1990-04-01), Reich et al.
patent: 4984450 (1991-01-01), Burger
Patent Abstracts of Japan, vol. 7, No. 15 (P-169) [1160], Jan. 21, 1983; JP-A-57 169 647 (Nippon Shinku Gijutsu K.K.), Oct. 19, 1982.
IRE Tractions on Electron Devices, vol. ED5, No. 1, Jan. 1958, pp. 23-34; J. Lineweaver: "Leak detection-ultrasensitive technique employing the helium leak detector".

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