Gas analyzer having a test chamber traversed by radiation

Details Gas analyzer having a test chamber traversed by radiation Gas analyzer having a test chamber traversed by radiation

1990-12-12

1992-05-26

Rosenberger, Richard A.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

356440, 250343, G01N 2161

Patent

active

051161206

ABSTRACT:
In the gas analyzer described in the specification, a test chamber housing for accommodating a volume of gas to be analyzed has a spherical shape and a spherical inner mirrored surface with windows to receive a radiation beam from a source and pass the beam to a detector. To provide different test distances through the chamber for the radiation beam, the source of radiation and the housing are movable relative to each other so that a reproducible change in the test distance can be achieved through multiple reflections on the inner mirrored surface of the housing.

REFERENCES:
patent: 3319071 (1967-05-01), Werth et al.
patent: 3696247 (1972-10-01), McIntosh et al.
patent: 3920336 (1975-11-01), Sackett
patent: 4714345 (1987-12-01), Schrader
patent: 4818882 (1989-04-01), Nexo et al.
Alan Bessen, "Pattern-recognition logic analyzes infrared signals", Industrial Electronics, Nov. 11, 1968, pp. 112-113.

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