Device for measuring gas permeation

Details Device for measuring gas permeation Device for measuring gas permeation

1990-12-19

1992-04-28

Williams, Hezron E.

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508, G01M 300

Patent

active

051076969

ABSTRACT:
A system for measuring gas permeability of membranes under precise temperature and humidity controls, by the use of a gas detector made from a single metallic block, wherein the gas flow passages are virtually entirely confined within the metallic block, and a temperature control passage is provided in the block for stabilizing temperature of the block and the passages therein, at any predetermined temperature. The detector device also includes passages for forming into liquid reservoirs, for providing a controllable relative humidity by passing the test gases through the humidifier passages.

REFERENCES:
patent: 3498110 (1969-07-01), Brun
patent: 3590634 (1971-07-01), Pasternak et al.
patent: 3618361 (1972-03-01), Stephens et al.
patent: 4464927 (1984-08-01), Reid
patent: 4468951 (1984-09-01), Garcia et al.
patent: 4586376 (1986-05-01), Outmans
patent: 4660411 (1987-04-01), Reid
patent: 4663969 (1987-05-01), Bibby et al.
patent: 4852389 (1989-08-01), Mayer et al.

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