High velocity gas particulate sampling system

Details High velocity gas particulate sampling system High velocity gas particulate sampling system

1990-12-11

1991-11-12

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

G01N 100

Patent

active

050637894

ABSTRACT:
A gas sampling system for determining particulate matter contamination in a high velocity gas flow where the sampling chamber is first cleaned, then evacuated and is coupled by a closed three way valve in a straight line relationship to the gas supply line. The operating gas flow rate is established through the three way valve which is quickly opened to couple the dynamically flowing gas to the evacuated sample chamber in a straight line relationship to trap a gas sample under dynamic conditions. When the sampling chamber has a gas sample the three way valve is again closed so that particulate matter in the sample chamber can be flushed from the sample chamber with a compatible liquid to a filter for collection and analysis.

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patent: 4607228 (1986-08-01), Reif

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