Gas detecting apparatus and methods

Details Gas detecting apparatus and methods Gas detecting apparatus and methods

1975-02-27

1976-06-22

Queisser, Richard C.

Measuring and testing

With fluid pressure

Leakage

55158, 73 23, G01M 304

Patent

active

039642925

ABSTRACT:
Apparatus and methods are disclosed for detecting a particular gas occurring at any point along a path through a given environment. A tubing having a wall through which the particular gas readily permeates is provided for placement along the path of interest. This tubing is structured so that the particular gas can enter the tubing only by permeating the tubing wall. Detection of the gas and the approximate location of permeation is achieved by withdrawing gases from within the tubing while monitoring both the withdrawn gases and the elapsed time.

REFERENCES:
patent: 182423 (1876-09-01), Douchy
patent: 634687 (1899-10-01), Hartenfels
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patent: 3043145 (1962-07-01), Hoffman
patent: 3093001 (1963-06-01), Williams
patent: 3357257 (1965-12-01), Herndon et al.
patent: 3438241 (1969-04-01), McKinley
patent: 3503186 (1970-03-01), Ward
patent: 3731523 (1973-05-01), Vissers et al.
patent: 3797299 (1974-03-01), Nelson et al.

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