Measuring and testing – Gas analysis – Gas of combustion
Patent
1998-08-27
2000-10-31
Williams, Hezron
Measuring and testing
Gas analysis
Gas of combustion
73 232, 73 3105, 138 30, G01N 110
Patent
active
061384992
ABSTRACT:
An automotive engine exhaust emissions analysis system includes a pump for moving emissions through a conduit to a nitric oxide sensor through a relatively low-volume expansion chamber which is bounded in part by an unconstrained elastic membrane exposed to ambient air.
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Hoede Christiaan
Mulder Raymond M.P.M.
Cygan Michael
Shaw Seyfarth
Sun Electric Europe B.V.
Williams Hezron
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