Gas sampling device

Details Gas sampling device Gas sampling device

1979-05-24

1980-09-09

Swisher, S. Clement

Measuring and testing

Measuring vessel

73422R, 128719, G01N 122

Patent

active

042211301

ABSTRACT:
A gas sampling device has a gas-entry passage dimensioned to provide laminar flow to the gas and opening into a larger gas-receiving passage. A gas sampling tube is supported from the larger gas-receiving passage, extends only to the smaller gas-entry passage for sampling the entering gas, and is coaxially spaced from the walls of the gas-entry passage to sample the gas in the gas-entry passage without dilution from the gas-receiving passage or interference with the gas flow. The device is particularly useful for sampling small exhaled breath gas flow in combination with neonatal respiratory apparatus for sampling the breath of neonates.

REFERENCES:
patent: 3472067 (1969-10-01), Chew
patent: 3921458 (1975-11-01), Logan
patent: 3927670 (1975-12-01), Turney et al.

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