Probe for exhaust gas sampling

Details Probe for exhaust gas sampling Probe for exhaust gas sampling

1994-03-28

1995-10-10

Chilcot, Jr., Richard E.

Measuring and testing

Sampler, sample handling, etc.

With heating or cooling

73116, G01L 326

Patent

active

054561248

ABSTRACT:
Exhaust gas constituents of an exhaust gas stream are measured by drawing a proportional sample of exhaust gas through a capillary tube inserted into the exhaust gas stream. The capillary tube is controllably heated to avoid distortion of the reading due to condensation. The mass flowing in the capillary tube is determined by sensing the pressure drop across the length of the capillary tube.

REFERENCES:
patent: 3958527 (1976-05-01), Iannacone
patent: 4328780 (1982-05-01), Andrew
patent: 4379402 (1983-04-01), Harman, III
patent: 4381666 (1983-05-01), Feiertag
patent: 4555942 (1985-12-01), Ludvigsson
patent: 5138163 (1992-09-01), Butler et al.

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