Measuring and testing – Sampler – sample handling – etc. – Flow divider – deflector – or interceptor
Patent
1995-08-02
1996-07-23
Noland, Thomas P.
Measuring and testing
Sampler, sample handling, etc.
Flow divider, deflector, or interceptor
73 2801, 7386358, G01N 120
Patent
active
055378790
ABSTRACT:
A particle sampling system which includes a flow restrictor positioned in a conduit between a vent and an analyzer probe and restricts flow in the conduit to maintain an overpressure of sample gas at the counter probe which, in turn, forces the gas sample into the particle analyzer. The system further includes a reservoir for holding a working fluid usable with a particle analyzer and a pressurized gas source which is used to pressurize the reservoir to enable supply of the working fluid against the pressure of the gas analysis sample and to provide a purge gas for the analyzer.
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Microcontamination, Mar. 1992, "Providing Next-Generation Particle Measurement and Control for Ultra-High-Purity Distribution Systems" J. D. Borkman, W. R. Couch and M. L. Malczewski, 7 pages.
Particle Measuring Systems Inc., Data Sheet, High Pressure Gas Probes 2 pages published by Jul. 1995.
Demmin Hollis C.
Holmer Arthur E.
Malczewski Mark L.
Ktorides Stanley
Noland Thomas P.
Praxair Technology Inc.
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