Device for measuring the quantity of solid particles in a gas medium
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United States of America Patent
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Apr 1, 2008
Grant Date -
Aug 18, 2005
app pub date -
Jan 24, 2005
filing date -
Feb 6, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for detecting the amount or concentration of particulate matter in a gas medium comprises a structure for the deposit of solid particles, at least a first and a second electrode associated to the structure, and means for measuring an electric quantity between the first and second electrode. A plurality of cavities is defined in the structure, which act as collectors of solid particles, the structure being arranged so as to induce the accumulation of the particles inside the cavities.
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