Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1975-04-21
1976-10-05
Willis, Davis L.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
23254E, G01T 120
Patent
active
039846881
ABSTRACT:
A monitor continuously senses light emitted by the chemiluminescent reaction of such substances as ozone and nitric oxide in order to measure an unknown quantity or concentration of one of the substances which may, for example, be an air pollutant. The monitor comprises a specially designed reaction chamber intended to utilize a high concentration reactant gas in such a fashion as to permit the measurement of light output of the chemiluminescent reaction with the sample gas by a solid state detector and associated electronics which eliminate the need for the use of a photomultiplier tube. The reactor body has an end closure means to form an annular plenum chamber surrounding a light transmitting means mounted by the closure means in one end of the reaction chamber. An annular discharge passage for discharging a conical curtain of reactant mixture from the plenum chamber axially into the reaction chamber around and away from the light transmitting means to prevent obscuration thereof by dirt from the sample is formed between the reactor body and the closure. The solid state detector is mounted outside the reaction chamber and adjacent to the light transmitting means.
REFERENCES:
patent: 3710107 (1973-01-01), Warren et al.
patent: 3882028 (1975-05-01), Zolner
Siddiqui Khalid U.
Von Bargen John D.
Mueller Frederick E.
Source Gas Analyzers, Inc.
Willis Davis L.
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