Measuring and testing – Gas analysis – Solid content of gas
Patent
1974-04-12
1976-10-19
Phillips, Charles E.
Measuring and testing
Gas analysis
Solid content of gas
734215R, G01N 122
Patent
active
039863867
ABSTRACT:
A method and apparatus for measuring particulates contained in the exhaust gases from internal combustion engines which dilutes the exhaust gases with prefiltered and precooled air to produce a constant volume mixture which may be sampled for exhaust gas emissions as well as for particulates. After mixing of the exhaust gases and the pretreated air, sampling of the mixture by isokinetic probes produces a uniform sample of particulate matter which is collected on temperature controlled filters for analysis.
REFERENCES:
patent: 2819590 (1958-01-01), Green
patent: 3102192 (1963-08-01), Skala
patent: 3261199 (1966-07-01), Raynor
patent: 3391577 (1968-07-01), Friauf et al.
patent: 3611812 (1971-10-01), Cleveland
patent: 3866475 (1975-02-01), Thompson et al.
Beltzer Morton
Lewis Oliver G.
Musser George S.
Petersen William L.
Exxon Research and Engineering Company
Hantman R. D.
Phillips Charles E.
Wells H. N.
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