Multi-source, flow-weighted composite sample system
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United States of America Patent
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Nov 5, 2019
Grant Date -
Apr 4, 2019
app pub date -
Sep 20, 2018
filing date -
Sep 29, 2017
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Abstract
A sampling device having at least two inputs each configured to receive samples from a corresponding feedstock input line and a sample accumulator. The device also includes a mass flow controller associated with each feedstock input line, each mass flow controller having a sample output and being configured to receive a signal representative of the flow rate at each input, where each mass flow controller adjusts the flow rate of its respective sample from its respective sample output in response to receiving representative signals. Further the device includes at least a first and second sample output line respectively connected with a sample output of each mass flow controller, each sample output line being connected to an input of the sample accumulator for introduction to the sample accumulator of samples from the output of the mass flow controllers.
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