Gas separation: processes – With control responsive to sensed condition – Gas flow rate sensed
Reexamination Certificate
2006-08-08
2008-09-23
Hopkins, Robert A (Department: 1797)
Gas separation: processes
With control responsive to sensed condition
Gas flow rate sensed
C095S288000, C073S863110, C073S863120, C073S863210
Reexamination Certificate
active
07427311
ABSTRACT:
Volatile suspended particles are eliminated from an aerosol by heating the aerosol to a temperature at which the volatile suspended particles evaporate and diluting the aerosol with a dilution gas. The sequence heating and diluting may be performed in any order. According to another aspect of the invention, dilution of the raw gas takes place such that raw gas is led to a measurement gas channel through which measurement gas flows, wherein the quantity of raw gas transferred per unit of time is dependent on the volume flow in the raw gas channel. According to a further aspect of the invention, in a condensation nucleus counter the number and intensity of scattered light pulses is evaluated in order to be able to draw conclusions on the reliability of the measurement.
REFERENCES:
patent: 6435004 (2002-08-01), Miller
patent: 6439027 (2002-08-01), Hiss, III
patent: 1 251 344 (2002-10-01), None
patent: 01195341 (1989-08-01), None
patent: 01/84116 (2001-11-01), None
Burtscher Heinz
Kasper Markus
Matter Ulrich
Hopkins Robert A
Matter Engineering AG
Rankin , Hill & Clark LLP
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