Leak detector

Details Leak detector Leak detector

1987-06-23

1988-09-06

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

204412, G01M 316

Patent

active

047683716

ABSTRACT:
A leak detector employing an ion-conducting membrane is disclosed. A labelled-gas ion conducting membrane which employs a high vacuum on one side is used to detect very small quantities of said labelled-gas flowing through a minute fissure in a part or device to be tested for leaks. The labelled-gas ion conducting membrane is biased with direct current voltage to drive the labelled-gas ions through the membrane away from the high vacuum side.

REFERENCES:
patent: 3514377 (1970-05-01), Spacil et al.
patent: 3650934 (1972-03-01), Hickam et al.
patent: 4674321 (1987-06-01), Joshi

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