G - Physics – 01 – N
Patent
G - Physics
01
N
73/59
G01N 21/84 (2006.01) G01N 21/35 (2006.01) G01N 21/31 (2006.01)
Patent
CA 1319833
ABSTRACT OF THE DISCLOSURE A nondispersive gas analyzer for use in monitoring the concentration one or more gases, comprises a body having a cavity having an elliptical reflecting surface, defining a first focus and a second focus, for transmitting radiation between the focuses, a chamber for holding a sample gas to be analyzed, one of the focuses being located within the sample chamber, a chamber for holding an inert gas and a chamber for holding an analyte gas, a radiation source disposed at one of the focuses, and a radiation detector associated with each of the inert gas chamber and the analyte gas chamber for detecting the radiation passing through the sample gas and the inert gas and the radiation passing through the sample gas and the analyte gas being located at the other of the focuses.
615459
Atomic Energy Of Canada Limited
Gowling Lafleur Henderson Llp
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