Measuring and testing – Gas analysis – By vibration
Patent
1996-11-15
1998-10-06
Williams, Hezron E.
Measuring and testing
Gas analysis
By vibration
73 232, 73 3105, 310313R, G01N 2902, G01N 2918, G01H 1300
Patent
active
058179224
ABSTRACT:
In a gas sensor comprising a housing and having driver and amplifier circuits the housing has a bottom part with at least four cavities arranged in radial symmetry around a central gas admission space from which gas admission passages of the same shape and size extend radially outwardly to the various cavities for supplying gas to be measured to surface wave components of which one is disposed in each of the cavities and the cavities have discharge passages extending outwardly and having all the same gas flow resistance for the discharge of the gases from the housing cavities.
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patent: 5465608 (1995-11-01), Lokshin et al.
Japanese Patent Abstract JP6-109710, vol. 18, No. 384, (P-1772) 19 Jul. 1994.
Rapp Michael
Voigt Achim
Bach Klaus J.
Forschungszenlram Karlsruhe GmbH
Larkin Daniel S.
Williams Hezron E.
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