Combustible concentration analyzer

Details Combustible concentration analyzer Combustible concentration analyzer

1977-10-25

1979-02-27

Wolk, Morris O.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

136224, 136225, G01N 2716, H01L 2716

Patent

active

041419553

ABSTRACT:
Combustible element analyzer for determining the combustible element concentration of a sample gas. The sample is routed through an inlet conduit, mixed with a source of air, heated to an elevated temperature and analyzed by the combustible element analyzer. The analyzer includes a number of series connected thermocouples forming a thermopile. Exothermic reactions induced in the sample by catalyst elements create temperature variations along the thermopile. These variations cause a voltage difference along the thermopile whose value can be correlated to the combustible element concentration within the sample. Means are included for maintaining uniform sample flow past the analyzer and for maintaining analyzer calibration should the flow rate vary.

REFERENCES:
patent: 1321063 (1919-11-01), Lamb et al.
patent: 1640801 (1927-08-01), Petersen
patent: 2073249 (1937-03-01), Morgan et al.
patent: 2234128 (1941-03-01), Miller
patent: 2531592 (1950-11-01), Yant et al.
patent: 2533430 (1950-12-01), Chase
patent: 3138436 (1964-06-01), Harmon
patent: 3960500 (1976-06-01), Ross et al.
patent: 4029472 (1977-06-01), Micheli et al.
patent: 4063898 (1977-12-01), Fisher

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