Measuring and testing – Gas analysis – Solid content of gas
Patent
1992-04-27
1993-10-26
Williams, Hezron E.
Measuring and testing
Gas analysis
Solid content of gas
738659, G01D 2100
Patent
active
052555550
ABSTRACT:
The present invention provides a method and apparatus for determining the particle response characteristic of a device. In accordance with the apparatus and the method, a fluid which can comprise a gas stream is passed through the device and an input pulse of particles is introduced into the fluid before entering the device. As a result, an output pulse of particles is produced in the fluid being discharged from the device. The input and output pulses of particles are recorded on the basis of particle count versus time. A sufficient number of repetitions are completed such that signal averaging of the input and output pulses of the particles produces statistically repeatable reference and response pulses of particles. A comparison between the reference and response pulses of particles is the particle response characteristic of the device.
Brock Michael
Cassett Larry R.
Rosenblum David M.
The BOC Group Inc.
Williams Hezron E.
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