Gas sensor consisting of surface wave components
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United States of America Patent
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-
Oct 6, 1998
Grant Date -
N/A
app pub date -
Nov 15, 1996
filing date -
May 17, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
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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