MULTI-STAGE INFLOW TURBINE PUMP FOR PARTICLE COUNTERS
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United States of America Patent
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Issued Date -
Mar 5, 2015
app pub date -
Sep 2, 2014
filing date -
Sep 1, 2013
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Abstract
An airborne, gas particle counter, includes an inflow multiple stage turbine pump inducing flow through a particle counter. The turbine pump includes a rotor and stator assemblies and establishes gas flow through a second housing, which defines a view volume where particles are counted by light scattering or obscuration of a beam intersecting the light flow path. Intersecting rotor and stator assemblies limit particles to those suspended in the gas flow. The pump assembly includes integral flow paths limiting the need for external tubing.
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