Gas sampler for aerosol atmosphere

Details Gas sampler for aerosol atmosphere Gas sampler for aerosol atmosphere

1981-02-17

1983-07-12

Ruehl, Charles A.

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

55158, G01N 126

Patent

active

043923887

ABSTRACT:
A process and device using back-diffusion for sampling a gas from an environment containing an aerosol of tramp material. The device cleans the tramp material from a barrier by the flow of a purge gas. The purge gas flow prevents diffusion of the tramp material through ports in the barrier through which the sample gas diffuses against purge gas flow. The purge gas continuously cleans the barrier, retards tramp material diffusion, and gathers and transports the sample gas.

REFERENCES:
patent: 2771158 (1956-11-01), Bray
patent: 3421292 (1965-01-01), Llewellyn
patent: 3494174 (1970-02-01), Green
patent: 3731464 (1973-05-01), Brumbaugh
patent: 3923461 (1975-12-01), Barden
patent: 3926561 (1975-12-01), Lucero
patent: 3973928 (1976-08-01), Nierenberg
patent: 4019863 (1977-04-01), Jenkins
patent: 4140005 (1979-02-01), Kittelson
patent: 4284418 (1981-08-01), Andres

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